A permit is required for all plumbing and gasfitting work. Only a Baltimore County licensed plumber and gasfitter contractor can apply for a plumbing/gasfitting permit.
View the plumbing and gasfitting permit fees.
Required Documents
A building permit number is required, if applicable, and must be listed on the application.
The applicant will need to know:
- If the property is connected to public water/sewer or well/septic and if the connection is existing or new
- The number of fixtures that are new, replace/reconstruct, or removed, for each section on the application
The following documents are required when submitting a plumbing permit application:
- For an onsite water, sewer/storm application—Site plans with details of onsite work, including lateral connections.
- For a septic system repair or replacement application—Septic system permit requirement sheet. Contact Groundwater Management prior to submitting a plumbing permit application.
- For proposed propane tanks on properties served by well and septic systems—A contractor certification must be signed and submitted with the plumbing permit applications.
- Before a grinder pump is installed, the Plumber Acknowledgement of Requirement to Contact DPWT form must be submitted.
Types of Contractors that Can Apply
Only a Baltimore County licensed plumbing or gasfitting contractor can apply for a plumbing or gasfitting permit. Exceptions include:
- Propane Gasfitters: Baltimore County recognizes and honors insured-to-work Propane Gasfitter Certificates
- Pump Installers
- Water Conditioner
- Well Drillers
Find a State of Maryland licensed contractor.
Apply for a Permit
Once you have reviewed the process outlined above and have gathered your required documentation, apply for your permit online using the buttons below.