Complete guide to building permit requirements in Maryland. Find permit rules for sheds, decks, fences, roofs, HVAC, electrical, plumbing, pools, solar, and more.
Maryland has mandatory statewide building codes enforced at the county level. The DC suburbs have some of the most active building departments in the region.
For statewide contractor licensing: Maryland DLLR
Select your project type to get Maryland-specific requirements, costs, and how to apply:
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Maryland has mandatory statewide building codes enforced at the county level. The DC suburbs have some of the most active building departments in the region.
Permit fees, processing times, and specific requirements vary significantly by city and county in Maryland. Always contact your local building department to confirm current requirements before starting any project.
Licensed local contractors know your area's permit requirements and handle the paperwork for you. Get free quotes in minutes.
Get 3 Free Contractor Quotes →