Fences and walls in Washington, DC
Fences along a street or alley, or within 10 ft of a property line, are capped at 7 ft. Fences in public space, which covers many DC front yards, are limited to 42 in and must be at least half open.
A person last checked these rules on October 20, 2026. This is guidance only, so confirm with Washington before you build.
The details
- A new fence needs a building permit with a plat. Only in-kind repair is exempt.High confidence
- 7 ft maximum along a street or alley and within 10 ft of a party line, unless the neighbor agrees in writing.High confidence
- In public space (the area between the property line and the sidewalk, often the front yard): 42 in maximum, at least 50% open, and DDOT approval.High 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
- How tall can a fence or wall be in Washington?
- Fences along a street or alley, or within 10 ft of a property line, are capped at 7 ft. Fences in public space, which covers many DC front yards, are limited to 42 in and must be at least half open.
Sources
- DC Department of Buildings, How to get a permit. Checked 2026-10-20
Unless you are in a historic district, the following work does not require a building permit: ... Replacement in-kind of ... Private sidewalks and driveways; Patios ... Single garden storage shed that does not exceed 50 square feet (4.65 m2) in area and is …
- DC DOB, Building Code Interpretation, Fence (DCBC 3112). Checked 2026-10-20
Fences abutting streets shall not exceed 7ft in Residence... Fence located less than 10ft from a party line shall be a maximum of 7ft high [unless adjoining owners consent]... Fences located in lot interior more than 10ft may not be limited in height... Per…
- DDOT, Fences and Retaining Walls FAQs (public space). Checked 2026-10-20
[Fences in public space] Must be at least 50% open and no more than 42 inches tall... any use of the public right-of-way [the space outside the private property line] requires permission from the District Department of Transportation.
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.