Sign Regulations in Clark County, WA (2026)

2 rules for unincorporated Clark County, Washington.

Verified from official government sources

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

Political Signs

Clark County's sign code treats political and other noncommercial messages as on-premises signs. Any sign displaying a noncommercial (including political) message is allowed wherever an on-premises sign is permitted. Signs may not be placed in the county right-of-way without a street use permit and cannot exceed 35 feet in height.

Political and Noncommercial Signs

Some Restrictions

CCC 40.310.010 (definitions)

"On-premises sign" also means a sign which contains religious, political, social and other noncommercial messages.

Full ordinance details →Official source ↗

Garage Sale Signs

Portable and temporary signs, flags and banners are prohibited in unincorporated Clark County unless a temporary sign permit is approved by the responsible official. Garage-sale-type portable signs fall under this rule and may not be placed in the county right-of-way. Signs not visible from adjacent property or rights-of-way are not

Garage Sale and Temporary Signs

Some Restrictions

CCC 40.310.010(D)(10)

Portable signs, temporary signs, flags and banners unless a temporary sign permit has been approved by the responsible official [are prohibited].

Full ordinance details →Official source ↗

All Clark County ordinances

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

Clark County Ordinance Hub →