Bonneville County, ID Swimming Pools & Spas: Pool Permits (2026)
Swimming pool permit rules in Bonneville County, ID, also covering above-ground pools, in-ground pools, and spa installations, set fencing, barrier, alarm, and inspection requirements.
Key Facts
- Permit required
- Yes, from County Zoning Administrator
- Adopted pool code
- 2018 International Swimming Pool and Spa Code
- Application requirement
- Plat showing size, location, zone
- Fee basis
- Set by County Commissioners, value-based
- Unpermitted-work penalty
- $100 fine infraction, no jail
- Appeal deadline
- 30 days to Planning and Zoning Commission
Summary
Building a pool or spa in unincorporated Bonneville County requires a written permit from the Zoning Administrator under § 156.088, and construction must meet the 2018 International Swimming Pool and Spa Code, which the county adopted as item (8) of its Official Building Codes.
(A) Erection, alteration, reconstruction or moving of any building or structure, or any part thereof, without the prior issuance of a written permit for the same by the Zoning Administrator is prohibited.
(B) The Board of County Commissioners is authorized to adopt a schedule of fees to be charged for the issuance of permits required by this section. The amount of such fees may be based on the value of the building or structure for the alteration or reconstruction of the same for which the permit is issued.
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
088 prohibits the erection, alteration, reconstruction or moving of any building or structure, or any part thereof, without the prior issuance of a written permit for the same by the Zoning Administrator, and a residential pool counts as a structure under that section. 088(B) may be based on the value of the building or structure. 086 requires the applicant to submit a plat showing the size and location of existing buildings and the pool to be built, along with the zone the lot sits in; only structures used exclusively for agriculture and valued under $100 are exempt. 01(B) folds in any amendments the State Building Code Board or State Fire Marshal's office has since issued to that pool code. 093.
Violations & Fines
Building a pool without the required permit is an infraction under § 156.999(A): a conviction carries a $100 fine, no jail time, and each day the pool remains under unpermitted construction is a separate offense. A judge can also enter an injunction or restraining order requiring the work to stop until the permit is obtained.
Frequently Asked Questions
Do I need a permit to build a pool in Bonneville County?
What construction code governs the pool itself?
What if I build a pool without a permit?
Sources & Official References
Other rules in Bonneville County
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