Sign Regulations in Colusa County, CA (2026)
5 rules for unincorporated Colusa County, California.
Verified from official government sources
Political Signs
In unincorporated Colusa County, campaign and political signs are temporary signs allowed without a permit under Section 44-3.50.040(b)(2) of the Zoning Code. They may not exceed 32 square feet in area or 12 feet in height, must be on private property with the owner's consent and out of the public right-of-way, and any sign over 7 feet tall requires a building permit.
Colusa County political sign rules
Some RestrictionsColusa County Code Sec. 44-3.50.040(b)(2)
Campaign or political signs pertaining to an election to any public office or ballot measure may be installed on private property with the property owner's consent with the following restrictions: (A) The maximum sign height shall be twelve feet; (B) All signs that have a height greater than seven feet require a building permit in accordance with the building code; (C) No campaign or political ...
Garage Sale Signs
Unincorporated Colusa County's Zoning Code has no sign category specifically for garage or yard sale signs. Such temporary signs fall under the general Sign Regulations of Section 44-3.50: they cannot be placed on public property or in the public right-of-way, and off-site signs (signs advertising something not on the parcel where the sign sits) are generally prohibited.
Colusa County garage sale sign rules
Some RestrictionsColusa County Code Sec. 44-3.50.060(A) (Prohibited Signs)
Signs that identify a use, facility, or service which is not located on the parcel or premise where the sign is located, except for temporary real estate signs consistent with Section 44-3.50.040 (Signs Allowed Without Permits) and off-site billboards consistent with Section 44-3.50.080 (Signs Allowed With a Permit).
Holiday Displays
In unincorporated Colusa County, holiday decorations tied to any national, local, or religious holiday go up without a sign permit, but only for a limited window: no more than 45 consecutive calendar days, and no more than 60 calendar days total in one year, under Zoning Code Section 44-3.50.040(B)(1). Unlike most unpermitted temporary signs, holiday displays can be illuminated.
Colusa County Holiday Display Duration Rules
Light RestrictionsColusa County Zoning Code § 44-3.50.040(B)(1)
However, with the exception of holiday decorations, temporary signs allowed without a permit shall not be illuminated and shall be no more than five feet in height if freestanding and no more than six feet in height if affixed to a building or other structure... 1. ... Holiday decorations commonly associated with any national, local or religious holidays, provided that such decorations be displ...
Digital Billboards
Unincorporated Colusa County allows electronic changeable message displays only on wall, off-site, pole, and monument signs in commercial, industrial, and agricultural zones, and only with a sign permit. Zoning Code Section 44-3.50.070(D)(4) sets a 150-foot buffer from homes, a 30-second minimum change rate, and a 10-word cap on text.
Colusa County Electronic Changeable Sign Rules
Some RestrictionsColusa County Zoning Code § 44-3.50.070(D)(4)
4. Electronic Changeable Display. Wall, off-site, pole, and monument signs in the commercial, industrial, and agricultural classifications may have electronic changeable displays consistent with the following standards: a. Only permitted in commercial, industrial, and agricultural zones. b. Sign edge shall be 150 feet from any residential zones and shall not be visible from any residential zone...
Window Signs
Under Table 44-3.50-1 of the Colusa County Zoning Code, a permitted business window sign in unincorporated Colusa County can cover up to 25 percent of any continuous window area, must sit at the top of the window, and identical signs repeated across several windows on one frontage count as a single sign.
Colusa County Window Sign Coverage Limit
Light RestrictionsColusa County Zoning Code Table 44-3.50-1 (Window Sign row, under § 44-3.50.080)
TABLE 44-3.50-1: BUSINESS IDENTIFICATION SIGNS ... Window Sign Up to 25 percent of any continuous window area Top of window Identical signs evenly placed in multiple windows along a business frontage will be considered a single sign.
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