Permits & Inspections

Both commercial and residential properties in the City of Rockville are required to obtain permits before starting construction projects related to electrical, plumbing, mechanical, structural work and more. Work in or adjacent to the public right-of-way or impacting trees or stormwater facilities also requires permits. Most permits also require one or more inspections before work is considered complete and final. Construction in Rockville is regulated by the city's Municipal Code and Charter and Maryland Fire Prevention Code, among other codes and regulations.

Contractor Licenses

Plumbers and electricians performing work in the city must hold valid master license with the city and are required to have their work inspected. Heating and cooling contractors with a mechanical permit may perform furnace and air conditioning work.

Contractor Letter of Authorization

Effective January 1, 2020, the City of Rockville will require this authorization letter be completed for all in person electrical applications and permit issuance. Plumbing/Mechanical permits will be required at a later date TBD.

Contractor Letter of Authorization