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Rockville Connect
Building Permit Applications
When are permits needed?
Most citizens realize that permits must be obtained to undertake large projects such as constructing an addition or garage; however, some will be surprised to know that permits are also required for:
  • Decks
  • Fences
  • Sheds
  • Retaining Walls
  • Enclosing Carports
  • Finishing Basements

Electrical, Mechanical, and Plumbing permits are also required for residential work. in some cases, homeowners may secure a permit and do the work themselves. Plumbers and Electricians performing work in the city must hold valid master license with this division and are required to have their work inspected. Heating and cooling contractors with a Mechanical permit may perform furnace and air conditioning work.

Permits are needed for:

Electrical (excluding plugged appliances) work
  • Heavy-up electrical service
  • Adding new electrical fixtures and outlets
  • Adding new electrical appliances
  • Installing baseboard or other electric heating sources Installing exhaust fans and attic fans

Plumbing work
  • Adding, replacing or relocating plumbing fixtures
  • Repairing or replacing water lines Repairing or replacing sewer lines
  • Any changes in fixture piping Installation or replacement of water heaters

Mechanical work 
  • Installing or replacing a furnace
  • Installing or replacing an air conditioning unit
  • Adding, replacing or relocating ducts, diffusers or grilles

Commercial Permits
Learn what steps are necessary when applying for commercial building permits.

Residential Permits
Understand the steps are necessary when applying for residential building permits.