Washington County, UT Home Business: Signage Rules (2026)

Washington County's home-business sign allowance is tucked into § 10-19-3(A), the residential-zone section of the sign chapter, covering zones OST, A, FR, SFR, RA, RE, SF, MF and MH wherever a residence is a permitted or conditional use. Paragraph 1 gives every detached single-family dwelling, and any lot with an approved home occupation, the right to one unlit identification sign, provided it meets four conditions: it sits at least ten feet back from the front property line, only one is allowed per site, it carries no animation or lighting of any kind, and it cannot exceed twelve inches by eighteen inches, a 216-square-inch ceiling.

Because the sign must be unlit, a home business cannot rely on this allowance for an illuminated sign, spotlight, or backlit panel; those fall under the separate outdoor lighting standards in § 10-15C-11. The same subsection lists what else a residential lot may post alongside the identification sign: real estate signs offering the property for sale, lease or inspection are capped at two on-site signs of six square feet each (§ 10-19-3(A)(4)), and a temporary subdivision or planned-development sales sign may run up to six feet tall and thirty-two square feet (§ 10-19-3(A)(3)).

Any sign for a home occupation still needs a sign permit from the building inspector under § 10-19-2(H) before it goes up, since the identification-sign allowance sets the size and placement ceiling, not an exemption from the permit step.