Bonneville County, ID Home Business: Signage Rules (2026)
Key Facts
- Sign size limit
- 1.5 sq ft for home-occupation signs
- Sign type allowed
- One non-flashing sign per home occupation
- Lighting rule
- Must be indirect if lit
- Governing section
- §152.22(B)(3), (C)(3), (D)(3)
- Permit required
- Yes, via Planning and Zoning Dept.
- First-offense fine
- $100 civil infraction, rising to $500
Summary
Home occupation signs in Bonneville County's residence zones are capped at one and one-half square feet, must be a single non-flashing sign, and any lighting must be indirect, under § 152.22(C)(3) of the county's sign code.
(C) Signs in Residence Zones (R-P, R-1, R-1.5, R-2, R-3). Signs allowed to be placed in residence zones are as follows: ... (3) Signs for offices for professional persons and home occupations, provided signs are limited to one non-flashing sign not larger in area that one and one-half square feet; if lighted, it shall be indirect lighting.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-1: Ordinance 280-26, passed 1-20-2026).
Full Breakdown
22 sets sign limits by zoning district. 5, R-2, R-3), subsection (C)(3) limits signs for offices for professional persons and home occupations to one non-flashing sign not larger in area than one and one-half square feet, and requires indirect lighting if the sign is lit. The same one-and-one-half-square-foot, non-flashing, indirect-lighting cap applies in Residential Agricultural Zones (RA-1, 2, 3, 4) under subsection (B)(3), and again in Manufactured Home (MH) Zones under subsection (D)(3). Subsection (B)(2) also allows a home-based group daycare to display a sign so long as it is permitted in compliance with the provisions of a home occupation.
04, applied for through the county's online portal with a complete set of drawings and specifications, with permit and inspection fees paid up front based on the normal building-permit fee schedule. 03, including inspecting signs that require a permit and entering premises with reasonable notice to check compliance.
Violations & Fines
A first sign-code violation is a civil infraction punishable by a $100 fine under § 152.99. A second violation raises the fine to $200, a third to $300, a fourth to $400, and a fifth or later violation to $500, with each calendar day the sign remains out of compliance counted as a separate offense; unpaid fines can become a lien against the property.
Frequently Asked Questions
How big can a home business sign be in Bonneville County?
Do I need a permit for a home occupation sign?
What's the penalty for an oversized or unpermitted home business sign?
Sources & Official References
Other rules in Bonneville County
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