Floodplains, RPAs, wetlands and stormwater in Prince George's County, MD
Lots within 1,000 ft of tidal water along the Patuxent and Potomac fall in the Chesapeake Bay Critical Area, which limits clearing and new impervious surface and protects a 100 ft buffer. SetbackIQ checks the state Critical Area map.
A person last checked these rules on October 20, 2026. This is guidance only, so confirm with Prince George's County before you build.
The details
- Floodplain and stormwater review come with DPIE's site/road permits.Medium confidence
Check a project at your address
SetbackIQ reads the zoning, flood zone, historic district, and environmental maps for your lot. Then it applies these rules.
Common questions
- What if my lot is in a floodplain, Resource Protection Area or wetland in Prince George's County?
- Lots within 1,000 ft of tidal water along the Patuxent and Potomac fall in the Chesapeake Bay Critical Area, which limits clearing and new impervious surface and protects a 100 ft buffer. SetbackIQ checks the state Critical Area map.
Sources
- Maryland Critical Area Commission, Critical Area basics. Checked 2026-10-21
The Critical Area includes all lands within 1,000 feet of the tidal waters... and a minimum 100-foot buffer landward from the mean high water line of tidal waters, tidal wetlands, and tributary streams.
Disclaimer: This is general information, not legal or professional advice for any one property. Codes change. SetbackIQ is not a zoning determination, a permit, or a survey, and it does not replace an architect, engineer, or lawyer. Confirm with your building and zoning offices before you build, buy, or sign a contract.