The county building department in Montgomery County administers construction permits and enforces building codes for unincorporated areas and municipalities that contract county services rather than maintaining their own building divisions. There are 5 Building Departments locations in Montgomery County, Maryland.

Property owners in unincorporated Montgomery County should verify with the county building department whether their parcel falls under county or municipal jurisdiction before submitting permit applications, as this affects which office handles the review and which codes apply.

List of Montgomery County, Maryland Building Departments

Rockville City Zoning

View Details Call Now (240) 314-8220

Rockville City Zoning

Address
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Hours

Maryland Planning Department

View Details Call Now (301) 208-0200

Maryland Planning Department

Address
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Hours

Gaithersburg Planning Department

View Details Call Now (301) 258-6330

Gaithersburg Planning Department

Address
Get Direction
Hours

Montgomery County Permits

View Details Call Now (240) 777-6300

Montgomery County Permits

Address
Get Direction
Hours

Rockville Permits

Address
Get Direction
Hours

Contractors and property owners in Montgomery County should keep copies of all issued permits, approved plans, and inspection sign-off cards at the job site for the duration of construction. Final inspection requests must be scheduled in advance, and the certificate of occupancy is issued only after all required inspections pass.

You may also find Building Departments locations in neighboring counties including Montgomery, Prince George's, Howard.