Licensing and Certification

Applicants for a first-time Master Plumber Gasfitter License in Baltimore County who are not reciprocating from another jurisdiction must take and pass the required examinations.

REQUIREMENTS

To be eligible to apply for this exam, you must

• Meet all of the requirements set forth by the Baltimore County Plumbing Board. 
• Must pass both Master Plumber and Master Gasfitter examinations. Review the examination basis and information.
• Have an active Journeyman Plumber Gasfitter license from Baltimore County, the State of Maryland or WSSC.
• Submit a certificate from an approved gas school, including 2lb gas. You must show that you attended.
• Submit a current certificate from an approved backflow prevention course.
• Have served a minimum of 3,750 hours and two years of work experience as a journeyman under the direction and control of a registered Master Plumber/Gasfitter. Documentation of working hours and time served as a Journeyman Plumber Gasfitter must be completed by a Master Plumber/Gasfitter on the Employment Certification Form. If the Master Plumber/Gasfitter cannot be located or is deceased, the Board may accept proof of employment from Social Security Administration records or copies of W-2 tax forms. Items not accepted in place of documented hours of work experience or employment certified by a Master Plumber/Gasfitter include:
  • Hours certified by secretaries, bookkeepers or other office personnel
  • Copies of licenses or certificates
• Application fee of $34—Exam fee is not refundable if application is denied.
• All applications must be received 30 days prior to the day of exam. Call 410-887-3620 for exam dates.

DOCUMENTATION

Applicants must provide the following:

• Copy of active Journeyman Plumber Gasfitter License
• Copy of certificate from an approved gas school, including 2lb gas
• Copy of current Backflow Prevention course certification
• Education and Practical Experience form
• Employment Certification form completed by Master Plumber Gasfitter documenting 3,750 hours and two years work experience
• Plumbing License Agreement with Baltimore County

Applicants for the Master Plumber Gasfitter Reciprocal License must have a current license from the reciprocating jurisdiction.

REQUIREMENTS

To be eligible to receive a reciprocal license, you must meet all of the requirements set forth by the Baltimore County Plumbing Board. Applicants must:

• Submit a certificate from an approved gas school, including 2lb gas  
• Submit a “Letter of Good Standing” from the licensing agency you’re reciprocating from. You must contact either the State of Maryland or the WSSC to request to have this letter mailed or emailed to you so that you can submit it with your application. The letter must be on the agency letterhead.  
• Submit a current certificate from an approved backflow prevention course (Only for applicants that have received their Master Plumber Gasfitter License after October 1, 1993.)
• Submit a copy of your active license from the agency you are reciprocating from. (The State of Maryland or WSSC)
• Application fee of $225 is not refundable if application is denied.

INSURANCE INFORMATION

• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

BUSINESS INFORMATION

• If operating your own company:
  • Notarized Business Letter
    • Name and address of company
    • Officers of company
    • List of names of all licensed Journeymen and apprentices employed with your company and their card numbers
  • Copy of business license (not a plumbing license) or provide proof of established business
• If representing a company:
  • Notarized letter on company letterhead signed by the Master Plumber and Officers of the company stating the following:
    • That you represent the company (state name) and name of officers
    • That you are a full-time employee (40 hours minimum) of the company
    • That you understand that you cannot operate your own company or represent another company, while representing this company
    • List of names of all licensed Journeymen and apprentices working for the company, and their numbers
  • Copy of business license (not a plumbing license) or provide proof of established business

DOCUMENTATION

Applicants must provide the following:

• Letter of Good Standing from the licensing agency you’re reciprocating from
• Copy of active or updated certificate from an approved gas school, including 2lb gas, if applicable
• Copy of your active license from the agency you are reciprocating from. (The State of Maryland, WSSC or Baltimore City)
• Copy of current Backflow Prevention course certification, if applicable
• Copy of Insurance Certificate
• Copy of business license
• If operating your own company—A notarized business letter
• If representing a company—Notarized letter on company letterhead
• Plumbing License Agreement with Baltimore County

Applicants who are renewing a Master Plumber Gasfitter License in Baltimore County must do so during the open renewal period. Licenses expire April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.

REQUIREMENTS

1. Check your license card for the expiration date.
2. Renew during the renewal period. Renewals won't be accepted before the renewal period begins.
3. The license renewal fee is currently $225. If the application is denied, the fee is not refundable.
4. Renewals received after the license has expired will incur a late fee, which is currently $80.
5. Complete the online application. Update all necessary information such as:
   1. Proxy, including emails address and phone number for each designated proxy.
   2. Home and business phone numbers
   3. Home and business address

DOCUMENTATION

Copy of current Certificate of Insurance (COI) is recommended to ensure no delays in processing if the COI on file with Baltimore County has expired.

INSURANCE INFORMATION

• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

All applicants for a first-time Master Plumber License in Baltimore County who are not reciprocating from another jurisdiction must take the required examinations.

REQUIREMENTS

To be eligible to apply for this exam, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board.
• Have an active Journeyman Plumber license from Baltimore County, the State of Maryland or WSSC.
• Submit a current certificate from an approved backflow prevention course.
• Have served a minimum of 3,750 hours and two years of work experience as a journeyman under the direction and control of a registered Master Plumber. Documentation of working hours and time served as a Journeyman Plumber must be completed by a Master Plumber on the Employment Certification Form. If the Master Plumber cannot be located or is deceased, the Board may accept proof of employment from Social Security Administration records or copies of W-2 tax forms. Items not accepted in place of documented hours of work experience or employment certified by a Master Plumber include:
  • Hours certified by secretaries, bookkeepers or other office personnel
  • Copies of licenses or certificates
• Application fee of $34—Exam fee is not refundable if application is denied.
• All applications must be received 30 days prior to the day of exam. Call 410-887-3620 for exam dates

DOCUMENTATION

Applicants must provide the following:

• Copy of active Journeyman Plumber License
• Copy of current Backflow Prevention course certification
• Education and Practical Experience form
• Employment Certification form completed by Master Plumber documenting 3,750 hours and two years work experience
• Plumbing License Agreement with Baltimore County

Applicants for Master Plumber Reciprocal License must have a current license from the reciprocating jurisdiction.

REQUIREMENTS

To be eligible to receive a reciprocal license, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board
• Submit a “Letter of Good Standing” from the licensing agency you’re reciprocating from. You must contact either the State of Maryland or the WSSC to request to have this letter mailed or emailed to you so that you can submit it with your application. The letter must be on the agency letterhead.  
• Submit a current certificate from an approved backflow prevention course (Only for applicants that have received their Master Plumber Gasfitter License after October 1, 1993.)
• Application fee of $225—Exam fee is not refundable if application is denied.

INSURANCE INFORMATION

• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

BUSINESS INFORMATION

• If operating your own company:
  • Notarized Business Letter
    • Name and address of company
    • Officers of company
    • List of names of all licensed Journeymen and apprentices employed with your company and their card numbers
  • Copy of business license (not a plumbing license) or provide proof of established business
• If representing a company:
  • Notarized letter on company letterhead signed by the Master Plumber and Officers of the company stating the following:
    • That you represent the company (state name) and name of officers
    • That you are a full-time employee (40 hours minimum) of the company
    • That you understand that you cannot operate your own company or represent another company, while representing this company
    • List of names of all licensed Journeymen and apprentices working for the company, and their numbers
  • Copy of business license (not a plumbing license) or provide proof of established business

DOCUMENTATION

Applicants must provide the following:

• Letter of Good Standing from the licensing agency you’re reciprocating from
• Copy of active or updated certificate from an approved gas school, including 2lb gas, if applicable
• Copy of current Backflow Prevention course certification, if applicable
• Copy of Insurance Certificate
• Copy of business license
• Copy of BFP course, if applicable
• If operating your own company—A notarized business letter
• If representing a company—Notarized letter on company letterhead
• Plumbing License Agreement with Baltimore County

Applicants who are renewing a Master Plumber License in Baltimore County must do so during the open renewal period. Licenses expire April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

1. Check your license card for the expiration date.
2. Renew during the renewal period. Renewals won't be accepted before the renewal period begins.
3. The license renewal fee is currently $225. If the application is denied, the fee is not refundable.
4. Renewals received after the license has expired will incur a late fee, which is currently $80.
5. Complete the online application. Update all necessary information such as:
   1. Proxy, including emails address and phone number for each designated proxy.
   2. Home and business phone numbers
   3. Home and business address

DOCUMENTATION

Copy of current Certificate of Insurance (COI) is recommended to ensure no delays in processing if the COI on file with Baltimore County has expired.

INSURANCE INFORMATION

• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

All applicants for a first-time Master Gasfitter License in Baltimore County who are not reciprocating from another jurisdiction must take the required examinations.

REQUIREMENTS

To be eligible to apply for this exam, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board.
• You must have an active Journeyman Gasfitter license from Baltimore County, the State of Maryland, WSSC or Baltimore City.
• Submit an active or updated certificate from an approved gas school, including 2lb gas. You must show that you attended.
• Have served a minimum of 3,750 hours and two years of work experience as a journeyman under the direction and control of a registered Master Gasfitter. Documentation of working hours and time served as a Journeyman Gasfitter must be completed by a Master Gasfitter on the Employment Certification Form. If the Master Gasfitter cannot be located or is deceased, the Board may accept proof of employment from Social Security Administration records or copies of W-2 tax forms. Items not accepted in place of documented hours of work experience or employment certified by a Master Gasfitter include:
  • Hours certified by secretaries, bookkeepers or other office personnel
  • Copies of licenses or certificates
• Application fee of $34—Exam fee is not refundable if application is denied. 
• All applications must be received 30 days prior to the day of exam. Call 410-887-3620 for exam dates

DOCUMENTATION

A complete application must include all required documentation

• Copy of active Journeyman Gasfitter License
• Copy of certificate from an approved gas school, including 2lb gas.
• Education and Practical Experience form
• Employment Certification form completed by Master Gasfitter documenting 3,750 hours and two years work experience
• Plumbing License Agreement with Baltimore County

Applicants for Master Gasfitter Reciprocal License must have a current license from the reciprocating jurisdiction.

REQUIREMENTS

Applicants must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board
• Submit a “Letter of Good Standing” from the licensing agency you’re reciprocating from. You must contact either the State of Maryland, the WSSC or Baltimore City to request to have this letter mailed or emailed to you so that you can submit it with your application. The letter must be on the agency letterhead.  
• Submit a certificate from an approved gas school, including 2lb gas. You must show that you attended, it does not need to be active or updated.
• License fee of $225. If application is denied, the fee is not refundable.

INSURANCE INFORMATION

• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

BUSINESS INFORMATION

• If operating your own company:
  • Notarized Business Letter
    • Name and address of company
    • Officers of company
    • List of names of all licensed Journeymen and apprentices employed with your company and their card numbers
  • Copy of business license (not a plumbing license) or provide proof of established business
• If representing a company:
  • Notarized letter on company letterhead signed by the Master Gasfitter and Officers of the company stating the following:
    • That you represent the company (state name) and name of officers
    • That you are a full-time employee (40 hours minimum) of the company
    • That you understand that you cannot operate your own company or represent another company, while representing this company
    • List of names of all licensed Journeymen and apprentices working for the company, and their numbers
  • Copy of business license (not a plumbing license) or provide proof of established business

DOCUMENTATION

Applicants must provide the following:

• Letter of Good Standing from the licensing agency you’re reciprocating from
• Copy of your active license from the agency you’re reciprocating from (State of Maryland, WSSC or Baltimore City)
• Copy of Insurance Certificate
• Copy of business license
• Copy of certificate from an approved gas school, including 2lb gas if applicable
• If operating your own company—A notarized business letter
• If representing a company—Notarized letter on company letterhead
• Plumbing License Agreement with Baltimore County

Applicants who are renewing a Master Gasfitter License in Baltimore County must do so during the open renewal period. Licenses expire April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

• Check your license card for the expiration date.
• Renew during the renewal period. Renewals won't be accepted before the renewal period begins.
• The license renewal fee is currently $225. If the application is denied, the fee is not refundable.
• Renewals received after the license has expired will incur a late fee, which is currently $80.
• Complete the online application. Update all necessary information such as:
  1. Proxy, including emails address and phone number for each designated proxy.
  2. Home and business phone numbers
  3. Home and business address

DOCUMENTATION

Applicants must provide:

• Copy of current Certificate of Insurance (COI) is recommended to ensure no delays in processing if the COI on file with Baltimore County has expired.
• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

Applicants for a first-time Journeyman Plumber-Gasfitter License in Baltimore County who are not reciprocating from another jurisdiction must pass both the Journeyman Plumber and Journeyman Gasfitter examinations.

REQUIREMENTS

To be eligible to apply for this exam, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board
• Have an active fourth year Maryland State Apprentice card
• Submit a copy of active or updated certificate from an approved gas school, including 2lb gas, if applicable
• Submit a copy of a current certificate from an approved backflow prevention course. 
• Have served a minimum of 7,500 hours and four years of work experience as an apprentice under the direction and control of a registered Master Plumber/Gasfitter. Documentation of working hours and time served as an apprentice Plumber Gasfitter must be completed by a Master Plumber/Gasfitter on the Baltimore County Employment Certification form. Only documented hours of work experience or employment certified by a Master Plumber/Gasfitter will be accepted. Hours certified by secretaries, bookkeepers, or other office personnel will not be accepted. If the Master Plumber/Gasfitter cannot be located or is deceased, the Board may accept proof of employment from Social Security Administration records or copies of W-2 Tax Forms.
• Exam fee of $34
• Applications must be received 30 days prior to the day of exam. Call 410-887-3620 for exam dates. If application is denied, the fee is not refundable.

DOCUMENTATION

Applicants must provide:

• A copy of apprentice licenses registered with State Board of Plumbing (fourth year)
• A copy of approved gas course, including 2 lb. gas school certification
• A copy of current Backflow Prevention course certification
• Education and Practical Experience form
• Employment Certification form completed by Master Plumber documenting 3,750 hours and two years work experience

Applicants for Master Plumber Gasfitter Reciprocal License must have a current license from the reciprocating jurisdiction.

REQUIREMENTS

To be eligible to receive a reciprocal license, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board.
• Submit a “Letter of Good Standing” from the licensing agency you’re reciprocating from. You must contact either the State of Maryland, WSSC or Baltimore City to request to have this letter mailed or emailed to you so that you can submit it with your application. The letter must be on the agency letterhead. 
• Submit a certificate from an approved gas school, including 2lb gas. 
• If you received your original Plumbing/Gasfitter License after October 1, 1993, you must submit a current certificate from an approved backflow prevention course. This must be a current certificate.
• License fee of  $120. If application is denied, the fee is not refundable.

DOCUMENTATION

Applicants must provide:

• A Letter of Good Standing from the licensing agency you’re reciprocating from
• A copy of active or updated certificate from an approved gas school, including 2lb gas, if applicable
• A copy of current Backflow Prevention course certification, if applicable
• A copy of your active license from the agency you are reciprocating from (i.e. State of Maryland, WSSC or Baltimore City)

Applicants must renew during the open renewal period. Licenses expire April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

• Check your license card for the expiration date.
• Renew during the renewal period. Renewals won't be accepted before the renewal period begins.
• The license renewal fee is currently $120. If the application is denied, the fee is not refundable.
• Renewals received after the license has expired will incur a late fee, which is currently $60.
• Complete the online application. Update all necessary information such as:
  1. Proxy, including emails address and phone number for each designated proxy.
  2. Home and business phone numbers
  3. Home and business address

DOCUMENTATION

No documentation is required.

All applicants for a first-time Journeyman Plumber License in Baltimore County who are not reciprocating from another jurisdiction must take the required examinations.

REQUIREMENTS

To be eligible to apply for this exam, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board
• Have an active fourth year Maryland State Apprentice card
• Submit a copy of a current certificate from an approved backflow prevention course. 
• Have served a minimum of 7,500 hours and four years of work experience as an apprentice under the direction and control of a registered Master Plumber. Documentation of working hours and time served must be completed by a Master Plumber on the Baltimore County Employment Certification form. Only documented hours of work experience or employment certified by a Master Plumber will be accepted. Hours certified by secretaries, bookkeepers, or other office personnel will not be accepted. If the Master Plumber cannot be located or is deceased, the Board may accept proof of employment from Social Security Administration records or copies of W-2 Tax Forms.
• Exam fee of $34
• Applications must be received 30 days prior to the day of exam. Call 410-887-3620 for exam dates. If application is denied, the fee is not refundable.

DOCUMENTATION

Applicants must provide:

• Copy of current apprentice licenses registered with State Board of Plumbing (fourth year)
• Copy of current Backflow Prevention course certification
• Education and Practical Experience form
• Employment Certification form completed by Master Plumber documenting 7,500 hours and four years work experience.

Applicants for Journeyman Plumber Reciprocal License must have a current license from the reciprocating jurisdiction.

REQUIREMENTS

To be eligible to receive a reciprocal license, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board.
• Submit a “Letter of Good Standing” from the licensing agency you’re reciprocating from. You must contact either the State of Maryland, WSSC or Baltimore City to request to have this letter mailed or emailed to you so that you can submit it with your application. The letter must be on the agency letterhead. 
• Submit a current certificate from an approved backflow prevention course.
• License fee of  $120. If application is denied, the fee is not refundable.

DOCUMENTATION

Applicants must provide:

• A Letter of Good Standing from the licensing agency you’re reciprocating from
• A copy of current Backflow Prevention course certification, if applicable
• A copy of your active license from the agency you are reciprocating from (i.e. State of Maryland or WSSC)

Applicants must renew during the open renewal period. Licenses expire April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

• Check your license card for the expiration date.
• Renew during the renewal period. Renewals won't be accepted before the renewal period begins.
• The license renewal fee is currently $120. If the application is denied, the fee is not refundable.
• Renewals received after the license has expired will incur a late fee, which is currently $60.
• Complete the online application. Update all necessary information such as:
  1. Proxy, including emails address and phone number for each designated proxy.
  2. Home and business phone numbers
  3. Home and business address

DOCUMENTATION

No documentation is required.

All applicants for a first-time Journeyman Gasfitter License in Baltimore County who are not reciprocating from another jurisdiction must take the required examinations.

REQUIREMENTS

To be eligible to apply for this exam, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board
• Submit a copy of active or updated certificate from an approved gas school, including 2lb gas, if applicable
• Have served a minimum of 3,750 hours and two years of work experience as an apprentice under the direction and control of a registered Master Gasfitter. Documentation of working hours and time served must be completed by a Master Plumber/Gasfitter on the Baltimore County Employment Certification form. Only documented hours of work experience or employment certified by a Master Plumber/Gasfitter will be accepted. Hours certified by secretaries, bookkeepers, or other office personnel will not be accepted. If the Master Plumber/Gasfitter cannot be located or is deceased, the Board may accept proof of employment from Social Security Administration records or copies of W-2 Tax Forms.
• Exam fee of $34
• Applications must be received 30 days prior to the day of exam. Call 410-887-3620 for exam dates. If application is denied, the fee is not refundable.

DOCUMENTATION

Applicants must provide:

• A copy of approved gas course, including 2 lb. gas school certification
• Education and Practical Experience form
• Employment Certification form completed by Master Plumber/Gasfitter documenting 3,750 hours and two years work experience

Applicants for Journeyman Gasfitter Reciprocal License must have a current license from the reciprocating jurisdiction.

REQUIREMENTS

To be eligible to receive a reciprocal license, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board.
• Submit a “Letter of Good Standing” from the licensing agency you’re reciprocating from. You must contact either the State of Maryland, WSSC or Baltimore City to request to have this letter mailed or emailed to you so that you can submit it with your application. The letter must be on the agency letterhead. 
• Submit a active/updated certificate from an approved gas school, including 2 lb. gas
• Copy of Gas License from the State of Maryland, WSSC or Baltimore City.
• Applications must be received 30 days prior to the day of exam. Call 410-887-3620 for exam dates. 
• License fee of  $120. If application is denied, the fee is not refundable.

DOCUMENTATION

Applicants must provide:

• A Letter of Good Standing from the licensing agency you’re reciprocating from
• Copy of active/updated certificate from an approved gas school, including 2 lb. gas
• A copy of your active license from the agency you are reciprocating from (i.e. State of Maryland, WSSC or Baltimore City)

Applicants must renew during the open renewal period. Licenses expire April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

• Check your license card for the expiration date.
• Renew during the renewal period. Renewals won't be accepted before the renewal period begins.
• The license renewal fee is currently $120. If the application is denied, the fee is not refundable.
• Renewals received after the license has expired will incur a late fee, which is currently $60.
• Complete the online application. Update all necessary information such as:
  1. Proxy, including emails address and phone number for each designated proxy.
  2. Home and business phone numbers
  3. Home and business address

DOCUMENTATION

No documentation is required.

Licenses are active only for the length of time determined by the prequalification requirements.

To be eligible to receive an onsite utility contractor license, the applicant must:

• Have a current prequalification certificate (Utilities F-1, F-2, F-3) to perform utility work as related to sewer, water and storm drainage for Baltimore County.
• Meet the requirements of the Construction Contracts Division of the Department of Public Works and Transportation. Call 410-887-3531 for more information.
• Pay the $200 application fee

After the application review is complete, the Plumbing and Gasfitting Inspection Office will schedule a virtual or in-person verification appointment with you. You will need to have your driver’s license available for the meeting.

INSURANCE INFORMATION

• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

DOCUMENTATION

Applicants must provide the following:

• Copy of Insurance Certificate
• Copy of Pre-Qualification Certificate

Applicants must renew during the open renewal period. Licenses expire March 31 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

• Check your license card for the expiration date.
• Renew during the renewal period. Renewals will not be accepted before the renewal period begins.
• Renewals received after the license has expired will incur a late fee, which is currently $80. 
• Complete the online application. Update all necessary information, such as:
  • Proxy, including emails address and phone number for each designated proxy.
  • Home and business phone numbers
  • Home and business address

DOCUMENTATION

Applicants must provide the following:

• Copy of Insurance Certificate
• Copy of Pre-Qualification Certificate

All applicants for a first-time Disposal System Contractor License must take the required examinations. The license:

• Shall be issued to a person who installs private disposal systems and components thereof and is entitled to secure permits for such work.
• Must be used in strict accordance with the sections described in County Council of Baltimore County Bill, Title 23, with amendments and the Rules and Regulations of the Plumbing Board and DEPRM of Baltimore County, Maryland.

The licensee shall have a regular place of business in the State of Maryland and shall be qualified as provided in this title. 

REQUIREMENTS

To be eligible to apply for this exam, you must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board. 
• Qualifications to install specialized disposal systems must meet DEPRM requirements. Call 410-887-2764 for more information.
• Provide a list of any special disposal system courses you have taken, as well as all practical disposal contracting experience.
• Pay the $34 exam fee

DOCUMENTS

Additional certification may be required in addition to:

• A notarized letter must be attached, signed by a licensed master plumber or licensed disposal contractor, documenting years and extent of your experience in the installation of disposal systems.
• Copy of Disposal License in other jurisdictions (if applicable). 
• Education and Practical Experience form
• Additional information provided by sanitarian inspectors in other jurisdictions.
• Plumbing License Agreement with Baltimore County

Applicants must renew during the open renewal period. The license expires April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

1. Check your license card for the expiration date.
2. Renew during the renewal period before the current license expires. Renewals received after the license has expired will incur a late fee.
3. Complete the online application. Update all necessary information.

DOCUMENTATION

No documentation is required.

Applicants for a first-time Drain and Sewer Cleaning License must:

• Have completed at least two years or 3,750 hours of previous work experience in the field
• After the application review is complete, the Plumbing and Gasfitting Inspection Office will schedule a virtual or in-person verification appointment with you. You will need to have your driver’s license available for the meeting.
• Pay the $200 application fee

INSURANCE INFORMATION

• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

DOCUMENTATION

Applicants must provide the following:

• Copy of Insurance
• Copy of State Business License
• Drain and Sewer Cleaning Practical Experience form showing at least two years or 3,750 hours of work in the field
• Plumbing License Agreement with Baltimore County

Applicants must renew during the open renewal period. Licenses expire April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

1. Check your license card for the expiration date.
2. Renew during the renewal period before the current license expires. Renewals received after the license has expired will incur a late fee.
3. Complete the online application. Update all necessary information.

DOCUMENTATION

No documentation is required.

All applicants applying for a Liquid Propane Reciprocal Certificate in Baltimore County must:

• Meet all of the requirements set forth by the Baltimore County Plumbing Board
• Provide a copy of the business license (not a plumbing license) or proof of established business
• Have an active license from the State of Maryland
• If operating your own company—Notarized business letter with name, address and officers of company 
• If representing a company—Notarized letter on company letterhead signed by the Master Plumber and Officers of the company stating that you:
  • Represent the company (state name) and name of officers
  • Are a full-time employee (40 hours minimum) of the company
  • Understand that you cannot operate your own company or represent another company, while representing this company.

There is no charge for the processing of this application.

INSURANCE INFORMATION

• $300,000 general liability, $100,000 property damage (minimum)
• Insurance must be in your name, not company name 
  • Example: John Doe trades as Sudsy Plumbing
  • Certificate holder must be Baltimore County. Important: Baltimore County must be included in your policy as “Baltimore County is an additional insured on this policy."

DOCUMENTATION

Applicants must provide the following:

• Copy of an active certificate from the agency you are reciprocating from
• Copy of State Business License
• Plumbing License Agreement with Baltimore County

Applicants must renew during the open renewal period. Liquid Propane Certificates expire April 30 of every odd number year. The open renewal period is 60 days prior to the expiration of the license.  

REQUIREMENTS

1. Check your license card for the expiration date.
2. Renew during the renewal period before the current license expires.
3. Complete the online application. Update all necessary information.

There are no required documents for renewal.