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CityRuleLookup provides general information about local ordinances. This is not legal advice. Always verify rules with your local municipality before making decisions.

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Washington
King County
Sign Regulations

Sign Regulations in King County, WA (2026)

1 county-level rule, plus city-specific rules for 8 cities in King County, Washington.

Verified from official government sources

Note: These county rules apply to unincorporated areas of King County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Political Signs

Political signs in unincorporated King County are permitted on private property with the owners consent under KCC 21A.20 (Signs). Signs in the public right of way are prohibited. Size and time limits apply, and signs must be removed within 7 days after the election.

King County Political Sign Rules

Few Restrictions

Full ordinance details →Official source ↗

Sign Regulations by City in King County

8 cities in King County have their own sign regulations rules. Each link goes to that city's dedicated page with code citations.

SeattlePop. 737,015

4 verified rules • Digital Billboards, Garage Sale Signs

BellevuePop. 151,854

3 verified rules • Garage Sale Signs, Holiday Displays

KentPop. 136,588

3 verified rules • Garage Sale Signs, Holiday Displays

RentonPop. 106,785

3 verified rules • Garage Sale Signs, Holiday Displays

Federal WayPop. 99,037

3 verified rules • Garage Sale Signs, Holiday Displays

KirklandPop. 92,175

3 verified rules • Garage Sale Signs, Holiday Displays

AuburnPop. 87,643

3 verified rules • Garage Sale Signs, Holiday Displays

RedmondPop. 73,256

3 verified rules • Garage Sale Signs, Holiday Displays

All King County ordinances

See every category we cover for King County — parking, noise, fences, fires, animals, pools, and more.

King County Ordinance Hub →

More King County Rules