Building Permits in Maryland
We cover 9 cities in Maryland. Select a city below to see local permit requirements.
About Building Permits in Maryland
Building permit requirements in Maryland are enforced at the local level by city and county building departments. Most jurisdictions adopt the International Residential Code (IRC) as their baseline building standard, though many cities add local amendments that can make requirements stricter or more lenient.
We currently cover 9 cities in Maryland with 610 specific permit rules. Permit fees, processing times, and exemption thresholds vary by city — select your city below for details.
Popular Project Guides
Common home improvement projects in Maryland:
Cities in Maryland
Baltimore
Pop. 585,708
74 rules
Columbia
Pop. 104,681
74 rules
Frederick
Pop. 78,171
54 rules
Rockville
Pop. 68,401
54 rules
Towson
Pop. 57,542
74 rules
Hagerstown
Pop. 43,665
70 rules
Salisbury
Pop. 33,616
70 rules
Easton
Pop. 17,381
70 rules
Ocean City
Pop. 6,884
70 rules
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