Sign Regulations in Cowlitz County, WA (2026)
2 rules for unincorporated Cowlitz County, Washington.
Verified from official government sources
Political Signs
CCC § 18.10.568(B)(8) exempts temporary political and ballot-measure signs from the AG-I zone's regular sign standards in unincorporated Cowlitz County, capping them at 32 square feet and requiring removal within 15 days after the election or activity ends.
Cowlitz County AG-I Zone Political Sign Rule
Light RestrictionsCowlitz County Code § 18.10.568(B)(8)
B. The following signs are exempt from the standards listed in subsection A of this section: ... 8. ... Temporary signs, not larger than 32 square feet, for the purpose of endorsing political candidates or ballot propositions, or for advertising fairs, rodeos or similar temporary activities, provided such signs are removed within 15 days following cessation of the activities for which the sign ...
Window Signs
In the AG-I zoning district of unincorporated Cowlitz County, CCC § 18.10.568(D)(3) bans window signs advertising anything unrelated to the merchandise or service sold on site, though a business can still use its windows to note holidays, community events or the time and temperature.
Cowlitz County AG-I Zone Window Sign Rule
Some RestrictionsCowlitz County Code § 18.10.568(D)(3)
§ 18.10.568. Signs – AG-I zone. ... D. Prohibited Signs. The following signs are not permitted, except as indicated. Prohibited signs are subject to removal at the owner's expense after appropriate notification by the Director, Building Official or other county official. ... 3. Window signs containing material unrelated to the merchandise for sale or service performed by the person or business ...
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