Historic districts in Washington, DC
On a landmark or in a historic district, every permit exemption falls away and HPO reviews exterior work. Raze permits get HPO review too.
A person last checked these rules on October 20, 2026. This is guidance only, so confirm with Washington before you build.
The details
- Even small items like a 50 sq ft shed, a fence repair or a play set need a permit in a historic district.High confidence
- HPO reviews additions, decks, fences, windows, solar and demolition visible from a street before DOB issues the permit.Medium confidence
- When a landmark application is filed, the property is protected for 90 days while HPRB decides.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
- What changes in a historic district in Washington?
- On a landmark or in a historic district, every permit exemption falls away and HPO reviews exterior work. Raze permits get HPO review too.
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…
- DC Office of Planning, Historic Preservation Office, permit review. Checked 2026-10-21
[The Historic Preservation Review Board, staffed by HPO,] reviews construction affecting those properties [landmarks and properties in historic districts].
- DC Office of Planning, Preservation review of raze applications. Checked 2026-10-21
[For historic properties] HPO reviews the application under the procedures required in the DC historic preservation law... If a landmark application is pending or filed, the property is protected by law for 90 days.
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.