Building Permit applications are to be completed online. Please go to Online Permit Applications; enter the information directly into the County’s Permitting System; and print three (3) copies of the computer-generated application prior to visiting the Permits Center. (Printers are NOT available onsite for customers.)
Plumbing Work by Homeowners
Persons who own an existing single family dwelling or conventional townhouse unit are allowed, by regulation, to perform certain plumbing work without a permit. Homeowners also may perform certain plumbing work that requires a plumbing permit, subject to specific limitations. Generally, permits are not required for the replacement of existing plumbing fixtures, except for water heaters and testable backflow devices.
The following plumbing work may require a permit:
Water, drainage and vent piping above grade that will not be concealed
First time installation of plumbing fixtures on new or existing rough-ins
Installation of non-testable double check valve backflow devices
Installation or replacement of water heaters
Installation of water piping and meter rack associated with WSSC meter settings
Replacement or repair of water or sewer services
Any other work not specifically allowed by WSSC regulations
Questions regarding plumbing work to be done by the homeowner should be referred to the WSSC Service Applications and Records Section at 301-206-4003.
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