Fence Regulations in Prince William County, VA (2026)
4 rules for unincorporated Prince William County, Virginia.
Verified from official government sources
Height Limits
Residential fences may reach six feet in side and rear yards, but only 42 inches in front yards and on the street side of corner lots. A taller fence must be set back one foot from the property line for every foot of height.
Prince William County fence height limits
Some RestrictionsPWC Zoning Ordinance § 32-300.02.3
In R-4, R-6, Residential Planned Community (RPC) and Planned Mixed Residential (PMR) zoning districts, fences shall not exceed six feet in height within the side and rear yards unless the fence is set back from the property line one foot for every one foot in height of the fence.
Fence Permit Requirements
Most residential fences do not require a building permit, but zoning approval is mandatory for every new fence installation. A building permit is required when a fence serves as a swimming pool barrier or for pedestrian protection.
Do you need a permit for a fence in Prince William County?
Some RestrictionsPWC Zoning Ordinance § 32-300.02.3
Fence maximum height is 42 inches (3.5 feet) for the front yard and the side of your yard that faces a street. Side and rear yard fencing is generally allowed up to 6 feet.
Retaining Walls
A landscaping retaining wall under three feet tall that supports no surcharge needs no permit. Walls over three feet require zoning approval, and walls supporting three feet or more of unbalanced fill or a structure above require a building permit with engineered plans.
Retaining wall permit rules in Prince William County
Some RestrictionsPWC Building/Land Development — Retaining Walls (Virginia USBC)
Retaining walls used for landscaping purposes that are less than three feet in height and do not support a surge from any structures above do not require a permit. Retaining walls greater than three feet in height as measured by the building code shall require zoning approval.
Material Restrictions
Prince William County bans electrified fences and barbed wire across every residential district and on agricultural lots under two acres. Zoning Ordinance § 32-300.02.3(a) carves out only one exception: an A-1 Agricultural lot under two acres bordering pastureland that grazes livestock.
Prince William County Fence Material Restrictions
Some RestrictionsPWC Zoning Ordinance § 32-300.02.3(a), (d), (g)
3.Fences, except those used in connection with a public use, shall be governed by the following standards:(a)Electrified fences (other than underground fences) and fences using barbed wire shall be prohibited in all residential districts and on agricultural lots less than two acres. An A-1 Agriculture lot less than two acres with a principal dwelling may be permitted to have an electrified or b...
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