Do you need a permit for a fence in Alexandria, VA?
It depends on size and placement.
Fences need no building permit unless they are a pool barrier.
Front-yard fences must be open and no taller than 4 ft.
Elsewhere on the lot, open or solid fences can be up to 6 ft.
Rules last checked by a person on October 20, 2026. Guidance only; confirm with Alexandria before you build.
Check your exact lot
Setbacks depend on your zoning district, and a flood zone can change the permit answer. Enter your address to see both.
Permits a fence can need in Alexandria
| Permit | When it applies |
|---|---|
| Building permit | Pool barriers always need a permit, and masonry or concrete walls over 6 ft do too. |
| Floodplain development permit | In a FEMA special flood hazard area, all development needs a permit. |
Limits that apply citywide
| Front yard | 4 ft max, open fences only |
|---|---|
| Side and rear yards | 6 ft max (10 ft next to a nonresidential use) |
| Near a neighbor's low windows | A fence over 4 ft must stay 5 ft from the shared line along those windows (outside the historic districts) |
| Historic districts | The Board of Architectural Review can modify the 4 ft and 6 ft limits |
Local details
- Call 811 at least a few days before you dig footings or post holes. Utility locating is free.
- HOA covenants and deed restrictions can be stricter than city rules. Check yours before you build.
How to apply
Questions people ask
- When does a fence need a building permit in Alexandria?
- Pool barriers always need a permit, and masonry or concrete walls over 6 ft do too. Fences need no building permit in Virginia unless they are a pool barrier. Alexandria's zoning height limits still apply.
- Where do I apply for a fence permit in Alexandria?
- Apply through APEX permit portal, or call 703-746-4200.
Sources
- Virginia USBC, 13VAC5-63-80 Section 108.2, Exemptions from application for permit. Checked 2026-10-20.
2. One story detached structures used as tool and storage sheds, playhouses, or similar uses, provided the building area does not exceed 256 square feet... 5. Fences of any height unless required for pedestrian safety as provided for by Section 3306 or used…
- 44 CFR 59.1, definition of development (NFIP). Checked 2026-10-19.
Development means any man-made change to improved or unimproved real estate, including but not limited to buildings or other structures...
- 44 CFR 60.3, floodplain management criteria. Checked 2026-10-19.
Require permits for all proposed construction or other development in the community...
- City of Alexandria Zoning Ordinance § 7-103, accessory building limitations (Municode, Supp. 103). Checked 2026-10-20.
(B) No accessory building, use or structure shall be located in a required front, rear, or side yard, except as provided in section 7-202... (E) Outside of the Old and Historic Alexandria and the Parker-Gray Districts, if a principal dwelling on an abutting…