3 county-level rules, plus city-specific rules for 1 city in Washington County, Arkansas.
Verified from official government sources
Most unincorporated Washington County land defaults to Agricultural/Single-Family Residential at one dwelling per acre, with setbacks shown on required surveys under Planning Code Chapter 11. Inside Fayetteville, Springdale, and other cities, municipal zoning setbacks control instead.
Unincorporated Washington County sets no general building-height cap beyond state and FAA limits; height is governed where cities zone. Fayetteville limits height by zoning district under its Unified Development Code, with taller downtown buildings stepped back from nearby houses.
Unincorporated Washington County controls development intensity through one-unit-per-acre density rather than an impervious-coverage percentage. Fayetteville and Springdale cap building and paved coverage by zoning district and apply stormwater rules to heavily paved lots.
1 cities in Washington County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Washington County β parking, noise, fences, fires, animals, pools, and more.
Washington County Ordinance Hub β