Signs on homes in Sonora: the local rules

Each rule below links to the section of the Sonora Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Sonora's code says

Sonora code What Sonora's code adds
Election and other noncommercial signs	One sign, up to 6 square feet and 6 feet high. No permit. Applies: AR and RE districts. § 15.28.040 · code text AR and RE zone district. Not more than one (1) sign not to exceed six square feet (6 sq. ft.) in area and six feet (6') in height.
Signs that need no permit	Address or name sign: up to 2 square feet per sign for single-family or duplex structures, 3 for other uses. Applies: Street number and name signs. 1 per street frontage. § 15.28.040 · code text Street number and/or name signs not exceeding two square feet (2 sq. ft.) per sign for single-family or duplex structures and three-square feet (3 sq. ft.) per sign for all other uses. One (1) sign per street frontage and private parking lot shall be allowed.
For-sale and open-house signs	Up to 16 square feet in area and not more than 4 feet high. Applies: Signs about the sale, lease or rental of the property. No permit required. § 15.28.040 · code text Real estate signs not exceeding sixteen square feet (16 sq. ft.) in area and having a vertical dimension of not more than four feet (4') pertaining to the sale, lease, or rental of the property, as follows; 1 sign per 100 feet of street frontage. Applies: AR, RE and C districts. § 15.28.040 · code text Not more than one (1) such sign shall be allowed upon each 100 feet (100') of street frontage in the Agricultural/Residential Zone (AR), Residential Estates Zone (RE), and Commercial Zone (C) districts; 1 sign. Applies: R-1, R-2 and R-3 districts. § 15.28.040 · code text Not more than one (1) such sign shall be allowed no matter the size of the parcel when located in any Single-Family Residential Zone (R-1), Limited Multifamily Residential Zone (R-2), and Multifamily Residential Zone (R-3); Two signs, each no larger than 3 square feet on any face, displayed from 8:00 a.m. to 5:00 p.m. Applies: Signs directing traffic to a residential property for sale, excluding new subdivisions. § 15.28.040 · code text Signs for the purpose of directing traffic to a residential property for sale, not including new subdivisions, shall have an area on any face not greater than three square feet (3 sq. ft.) and limited to two (2) signs to any property and displayed only during the hours between eight a.m. and five p.m. (8:00 a.m.—5:00 p.m.).
Other temporary signs	Up to 2 signs per property, each up to 3 square feet. Applies: Garage and yard sale signs. Remove immediately after the sale or at end of day, whichever is first. § 15.28.040 · code text Garage/yard sales signs, maximum of two (2) signs per property not exceeding three square feet (3 sq. ft.) in area, each posted consistent with Section 15.28.050(B). All signs are required to be removed immediately after the completion of the sale or end of day, whichever is first.

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Frequently asked questions

What signs may I put up at my home in Sonora?

Sonora's code: One sign, up to 6 square feet and 6 feet high. No permit. (AR and RE districts.) (§ 15.28.040); Address or name sign: up to 2 square feet per sign for single-family or duplex structures, 3 for other uses. (Street number and name signs. 1 per street frontage.) (§ 15.28.040).

Signs on homes in Sonora

What Sonora's code says

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