Bonneville County, ID Building Setbacks & Zoning: Setback Rules (2026)
Key Facts
- A-1 zone front yard
- 80 ft from centerline or 55 ft from ROW
- Platted-area front yard
- 30 ft from right-of-way
- A-1 side yard (main building)
- 20 feet
- A-1 rear yard (main building)
- 20 feet
- Distance between main buildings
- 40 feet minimum
Summary
In Bonneville County's A-1 Agricultural Zone, a dwelling's front yard runs 80 feet from the road centerline (or 55 feet from the right-of-way, whichever is greater), with 20-foot side yards and a 20-foot rear yard for main buildings.
§ 156.131 FRONT YARD. Every lot on which a dwelling is situated shall have a front yard of not less than 80 feet from the centerline, or at least 55 feet from the right-of-way of all county roads, whichever is the greater; except for lots in platted areas which shall be set back 30 feet from the road right-of-way line.
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
131 sets the A-1 Agricultural Zone front yard at not less than 80 feet from the centerline of a county road, or at least 55 feet from the right-of-way, whichever is greater, except lots in platted areas are set back only 30 feet from the road right-of-way line. 132 requires a 20-foot side yard on each side of a main building on an interior lot, and also a 20-foot side yard for an accessory building unless that building sits at least 12 feet from the main building and at least 100 feet from any street, in which case no side yard is required.
131 to both frontages. 133 sets a 20-foot rear yard for main buildings, with the same 20-foot standard for accessory buildings unless the accessory building is at least 12 feet behind the main building. 134 additionally requires at least 40 feet between two main buildings used for human occupancy on the same or adjoining lots. 044 (80 feet from centerline / 55 feet from right-of-way, or 30 feet in platted areas near major roads) can independently control regardless of the underlying zone.
Violations & Fines
Building within the required front, side or rear yard setback for the applicable zone is a zoning violation under Chapter 156. Violations are infractions under § 156.999, punishable by a $100 fine with no imprisonment, and each day the encroaching structure remains is a separate offense; a court may also order an injunction requiring the structure's removal or relocation.
Frequently Asked Questions
How far back from the road must a house be built in Bonneville County's A-1 zone?
How wide a side yard do I need for a detached garage?
Do setbacks differ by zone in Bonneville County?
Sources & Official References
Other rules in Bonneville County
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