Sign Regulations in Mason County, WA (2026)
3 rules for unincorporated Mason County, Washington.
Verified from official government sources
Political Signs
In unincorporated Mason County's Allyn urban growth area, a political sign is defined under Mason County Code § 17.15.040 as a temporary sign advertising a candidate, political party, or ballot measure. Section 17.15.080(3) lets residents post them on private property with the owner's consent or in the county right-of-way as allowed under § 17.03.202(C)-(D), but every sign must come down within ten days after the campaign or election ends.
Political Sign Rules in Mason County, WA
Light RestrictionsMason County Code §§ 17.15.040, 17.15.080
"Political sign" means a temporary sign advertising a candidate or candidates for public elective office, or a political party, or sign urging a particular vote on a public issue decided by ballot. ... (3)Signs displayed during elections and campaigns.(A)Permitted Location. May be placed on private property with owner's consent and in the public right-of-way as regulated pursuant to Section 17....
Digital Billboards
Mason County Code § 17.03.202(E) bans animated or flashing signs in the rural areas and Shelton urban growth area, but carves out changing message center signs if each image or message holds fixed for at least five seconds. The only motion allowed is the transition, by scrolling, from one message to the next.
Digital Sign Message Timing Rule in Mason County, WA
Some RestrictionsMason County Code § 17.03.202(E)
The following signs or displays are prohibited in all rural areas of the county and the Shelton UGA: ... E.Animated or flashing signs, provided that changing message center signs may be allowed when the image and/or message remains fixed for at least five seconds and that the only animation or appearance of movement allowed is the transition from one message and/or image to another by the scrol...
Window Signs
Under Mason County's Allyn Sign Code, commercial tenants in the Allyn Urban Growth Area may display window signs, blade signs and A-board signs of no more than twelve square feet, and only if placed within ten feet of the tenant's building entrance, alongside a separate rule permitting neon signs in windows.
Window Sign Size Limits in Allyn, Mason County, WA
Some RestrictionsMason County Code § 17.15.140
Miscellaneous tenant signs including those hung from building canopies (blade signs), temporary ground placed A-board signs, and window signs are allowed provided they do not exceed twelve square feet and provided they are within ten feet of the individual or multiple tenant building entrance.
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