Winnebago County, IL Swimming Pools & Spas: Pool Permits (2026)
Swimming pool permit rules in Winnebago County, IL, also covering above-ground pools, in-ground pools, and spa installations, set fencing, barrier, alarm, and inspection requirements.
Key Facts
- Minimum pool fence/wall height
- 4 feet (in-ground pools)
- Minimum setback from lot line
- 6 feet
- Location restriction
- Not over/under electrical lines
- Governing standard
- Must meet Building Code
- Max fine per offense
- $500 (UDO Sec. 6.3)
Summary
Winnebago County requires every swimming pool to meet Building Code permit standards, with in-ground pools enclosed by a fence or wall at least four feet high and all pools set back at least six feet from lot lines.
18.3.16 Swimming Pools. All swimming pools shall comply with the requirements of the Building Code. However, in-ground swimming pools shall be enclosed by a fence or wall that is a minimum of four (4) feet in height. Swimming pools shall not be located over or under electrical lines and shall be a minimum of six (6) feet from any lot line.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 64).
Full Breakdown
Under the county's Unified Development Ordinance, swimming pools must comply with the Building Code, which brings them under the general permit requirement in Sec. 18-3 covering construction of any structure. In-ground pools need a fence or wall at least four feet tall, pools cannot sit over or under electrical lines, and every pool, above-ground or in-ground, must be at least six feet from any lot line and is barred from utility easements. The Planning and Zoning Officer enforces these standards countywide.
Violations & Fines
Building without the required permit, fence, or setback can draw a stop-work order, permit revocation under UDO Sec. 6.4, and fines up to $500 per offense, with each week of continued violation a separate offense.
Frequently Asked Questions
Do I need a permit to build a pool in Winnebago County?
How far must a pool be from my property line?
Is a fence required around my pool?
Sources & Official References
Other rules in Winnebago County
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