6 county-level rules, plus city-specific rules for 1 city in Benton County, Washington.
Verified from official government sources
Benton County zoning caps residential fences at about six feet in side and rear yards and roughly four feet in the front-yard setback. Washington has no statewide fence-height statute, and corner lots must keep a clear-view triangle open.
Ordinary residential fences generally need no building permit in Benton County. Washington's building code exempts fences six feet and under; taller fences and masonry walls require one. Zoning height and setback rules still apply either way.
Washington has no good-neighbor fence law, so nobody can force a Benton County neighbor to split a boundary fence's cost. Cost-sharing is voluntary. A fence built purely to spite a neighbor is a nuisance a court can order removed.
A retaining wall over four feet tall, measured from the bottom of the footing, needs a building permit and engineered design under Washington's building code. Benton County reviews taller and surcharged walls; shorter unloaded walls are exempt.
Benton County requires a barrier around residential pools, spas, and hot tubs under Washington's building code: at least a 48-inch fence with self-closing, self-latching gates, to prevent child drownings.
No Washington statute restricts residential fence materials, so wood, vinyl, chain-link, and wrought iron are all allowed in Benton County. Barbed wire and electric fencing are routine on farmland and rangeland but restricted in residential neighborhoods, and cities may add rules.
1 cities in Benton County have their own fence regulations rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Benton County — parking, noise, fences, fires, animals, pools, and more.
Benton County Ordinance Hub →