Deck Permit in Anne Arundel County, Maryland
- Permit Required
- Unknown
- Authority
- Anne Arundel County
- Last Verified
- 2026-09-29
What the official source says
“Detached or freestanding decks that are less than 200 Square Feet with a maximum height of under 3’ may not require a permit if the property is located outside of the Critical Area or Bog Contribution Drainage Area.”
aacounty.org
“Replacement of an existing deck, replacement of railings and the replacement of structural members does require a building permit. Replacing deck boards ONLY does not require a permit.”
aacounty.org
Verify before you build — primary source for this page: https://www.aacounty.org/inspections-and-permits/permits/do-i-need-permit
Permit Requirements
Replacement of an existing deck, replacement of railings and the replacement of structural members does require a building permit. Replacing deck boards ONLY does not require a permit.
Exemptions
Detached or freestanding decks that are less than 200 Square Feet with a maximum height of under 3’ may not require a permit if the property is located outside of the Critical Area or Bog Contribution Drainage Area.
Size / Height Limits
Maximum size without a permit: 200 sq ft.
How to apply
- Confirm the rules for your address with Anne Arundel County — the official sources on this page are the place to start.
- Prepare a simple site plan or drawing showing where the deck work goes and its size.
- Submit the application and pay the permit fee.
- Schedule the required inspections and keep the approved permit on site.
More detail: our deck permit guide.
Building Department
Anne Arundel County
Official Sources
FAQ
Is there a size or height limit before a deck permit is needed in Anne Arundel County?
The verified threshold is 200 sq ft in area. Exempt: Detached or freestanding decks that are less than 200 Square Feet with a maximum height of under 3’ may not require a permit if the property is located outside of the Critical Area or Bog Contribution Drainage Area.
Where do I apply for a deck permit in Anne Arundel County?
Applications go to Anne Arundel County.