Sign Regulations in Washington County, OR (2026)
2 county-level rules, plus city-specific rules for 2 cities in Washington County, Oregon.
Verified from official government sources
Digital Billboards
Digital billboards in unincorporated Washington County are allowed only in the General Commercial District under Community Development Code Section 414-2.2.G, held to a roughly 300-square-foot face and a 35-foot structure height, and must display only static messages under the operating standards of Section 414-7.4.
Washington County Digital Billboard Standards
Significant RestrictionsWashington County Community Development Code §§ 414-2.2.G, 414-7.4
G. Outdoor Signs: Outdoor signs, including digital billboards and excluding bench signs (see Section 414-5.2), shall be permitted only in the General Commercial (GC) District. Such signs shall not exceed t300 square feet per face, nor shall the face exceed a length of 25 feet or a height, excluding foundation and supports, of 12 feet. ... 414-7.4 Digital billboards allowed pursuant to Section 4...
Freeway-Facing Signs
Washington County's Community Development Code prohibits any sign built to face freeway traffic outright. Section 414-8.5 lists freeway-oriented signs among six categories banned anywhere in the unincorporated county, alongside roof signs and portable signs, regardless of the parcel's zoning district or the sign's size.
Washington County Bars Freeway-Oriented Signs
Heavy RestrictionsWashington County Community Development Code § 414-8.5
Signs or lights which: ... 414-8.4Are roof signs;414-8.5Are freeway-oriented signs; and414-8.6Are portable signs.
Sign Regulations by City in Washington County
2 cities in Washington County have their own sign regulations rules. Each link goes to that city's dedicated page with code citations.
All Washington County ordinances
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