Sign Regulations in Grant County, WA (2026)
5 rules for unincorporated Grant County, Washington.
Verified from official government sources
Political Signs
Political campaign and public-issue ballot signs on private property in unincorporated Grant County are exempt from the sign permit process, but only within a set window: not more than 45 days before an election and removed within 7 days after it, under the Unified Development Code.
Grant County Political Sign Timing Rules
Light RestrictionsGrant County Unified Development Code § 23.12.150(b)(4)
(4)Political campaign signs or public issue ballot signs that are placed on private property. Provided, however, that these signs shall not be placed more than forty-five (45) days prior to the election and must be removed within seven (7) days following the election terminating candidacy.
Garage Sale Signs
In unincorporated Grant County, a yard-sale or garage-sale sign is exempt from the Unified Development Code's sign permit only if it stays up 45 days or less in any 365-day stretch and is never relocated on the same lot. Go past that limit and the sign needs a Discretionary Use sign permit.
Grant County Garage Sale Sign Time Limit
Light RestrictionsGrant County Unified Development Code § 23.12.150(b)(8)
(8)Temporary signs that are not permanently affixed to a building or sign structure and not displayed for more than forty-five (45) days during any three hundred sixty-five (365) day period. (i.e., yard sale, garage sale, auctions, cultural events and festivals, grand opening signs and banners etc.) Temporary signs may not be relocated from location to location on the same lot.
Digital Billboards
Grant County requires a Conditional Use permit for any sign using animation or flashing lights, and a separate Discretionary Use permit for every off-premises advertising sign, including billboards, in any zoning district, under the Unified Development Code's sign section.
Grant County Animated Sign Permit Rules
Significant RestrictionsGrant County Unified Development Code § 23.12.150(c)
All signs utilizing animation or containing any flashing lights shall be processed as a Conditional Use. All off-premises advertising signs erected in any zoning district require an approved Discretionary Use permit (including, but not limited to, billboards).
Window Signs
A sign placed inside a window or on the windowpane, and visible from outside, is exempt from Grant County's sign permit requirement in unincorporated Grant County. The exemption covers any window sign regardless of message, but the sign still has to meet the code's placement and safety rules.
Grant County Window Sign Permit Exemption
Few RestrictionsGrant County Unified Development Code § 23.12.150(b)(6)
(6)Any sign that is placed inside a window or upon the windowpane and is visible from the exterior of the window.
Freeway-Facing Signs
Grant County will not permit an outdoor advertising sign within three hundred feet of a highway intersection or wherever it blocks a driver's clear view of approaching traffic for five hundred feet, under GCC 5.04.060. Signs are also barred outright from residential, suburban and recreational zoning, and the board can deny any sign it judges hazardous to highway safety.
Grant County Highway Sign Placement Ban
Significant RestrictionsGrant County Code § 5.04.060
5.04.060 - Limitation on granting permits. No permit shall be granted for the erection, construction or maintenance of any outdoor advertising structure, device or display within the following territories: (1)Within areas zoned for residential, suburban and recreational zones;(2)Within distance of three hundred feet of the intersection or junction of a main traveled highway with another main tr...
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