Sign Regulations in Kootenai County, ID (2026)
4 rules for unincorporated Kootenai County, Idaho.
Verified from official government sources
Political Signs
Kootenai County's sign code has no separate category for political signs. In residential and agricultural zones, unlighted on-premise temporary signs are allowed for up to 28 days per calendar year, at 12 sq ft and 8 feet maximum. Off-premise signs are generally prohibited.
Political Sign Rules in Unincorporated Kootenai County
Some RestrictionsKootenai County LUDC 8.4.805(B)(3)
Unlighted, on-premise, portable or temporary signs providing they are displayed for no more than 28 days during one calendar year. These signs may not exceed 12 square feet in size and a height of 8 feet.
Garage Sale Signs
Kootenai County has no garage-sale-sign-specific rule. A garage sale sign on your own property is a temporary on-premise sign (up to 28 days/year, 12 sq ft, 8 ft in residential zones). Off-premise directional signs on other property or road rights-of-way are generally prohibited.
Garage Sale Sign Rules in Unincorporated Kootenai County
Some RestrictionsKootenai County LUDC 8.4.804(K)
With the following exception of temporary event signs, off-premises signs are not permitted in any zoning district. Off-premises, temporary event signs or banners are permitted in all zones for up 14 days during a calendar year, in connection with a single event which is not repeated during the calendar year, with the permission of the property owner.
Digital Billboards
Kootenai County has no standalone digital billboard category; it regulates the technology as an electronic message center. The county allows one only as part of a pole, monument or wall sign in the commercial, light industrial and industrial zones, sized off a speed-limit table. The same feature is banned outright in agricultural, rural and residential zones, aside from schools, churches and assembly halls.
Electronic Message Center Sign Rules in Kootenai County
Significant RestrictionsKootenai County LUDC 8.4.805(A)(1), (D)(2)
1. One pole sign, projecting sign, or banner sign, with the size and height of the sign not to exceed the dimensions shown in table 4-803 of this section. This sign may be illuminated in conformance with the requirements of this section, and may include an electronic message center, providing the sign and message center together do not exceed the dimensions shown in table 4-803 of this sectio...
Window Signs
Unincorporated Kootenai County caps window, wall, awning and canopy signs by zone. Commercial, light industrial and industrial parcels may cover up to 30% of the wall face, rising to 50% if the sign stays unlit and no pole sign stands on the lot. Agricultural, rural and residential zones cap the same sign types at 8 square feet and bar illumination entirely.
Window Sign Coverage Limits in Kootenai County
Some RestrictionsKootenai County LUDC 8.4.805(A)(3), (B)(2)
3. Wall, awning, canopy or window signs, providing the signs do not cover more than thirty percent (30%) of the wall to which they are attached or inscribed. Wall, awning and canopy signs may be illuminated in conformance with the requirements of this section and may include an electronic message center. As an alternative, the size of these signs may be increased to fifty percent (50%) of the...
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