Historic Preservation in Washington County, OR (2026)
1 county-level rule, plus city-specific rules for 2 cities in Washington County, Oregon.
Verified from official government sources
Historic-Cultural Monuments
Unincorporated Washington County protects designated monuments, statuary and other cultural objects through a Historic and Cultural Resource Overlay District applied by plan amendment. Owners of a designated resource need a Type II permit even for exterior alteration and a Type III permit to relocate or demolish it.
Washington County Cultural Resource Overlay Rules
Significant RestrictionsWashington County Community Development Code §§ 373-2.3, 373-6.1
Object. The term object is used to distinguish from buildings and structures those constructions that are primarily artistic in nature or relatively small in scale and simply constructed. Although it may be, by nature or design, movable, an object is associated with a specific setting or environment, such as statuary in a designed landscape. Examples: sculpture, monuments, mileposts, boundary m...
Historic Preservation by City in Washington County
2 cities in Washington County have their own historic preservation rules. Each link goes to that city's dedicated page with code citations.
All Washington County ordinances
See every category we cover for Washington County: parking, noise, fences, fires, animals, pools, and more.
Washington County Ordinance Hub →