Janesville, WI Swimming Pools & Spas: Pool Permits (2026)
Swimming pool permit rules in Janesville, WI, also covering above-ground pools, in-ground pools, and spa installations, set fencing, barrier, alarm, and inspection requirements.
Key Facts
- Permit trigger
- Pool with side wall over 30 inches
- Issuing office
- Building Division (Sec. 10-10 process)
- Side/rear setback
- 8 feet minimum from property line
- Street-facing setback
- 30 feet from street lot line
- Electrical rule
- No extension cords for pool pumps
- No-permit penalty
- $100 or double fee, capped at $2,000
Summary
In the City of Janesville, Sec. 10-27(b)(5) requires a City pool permit for any pool with a side wall greater than 30 inches high, issued through the Building Division. Sec. 10-27(b)(1) also keeps pools and their equipment at least eight feet from side or rear lot lines and 30 feet from any street-facing property line.
(1)Location. No portion of a pool or equipment, located outside a building shall be located less than eight feet from any side or rear property line, nor less than 30 feet from any property line having street frontage. ( ... 5)Permit. ... A City pool permit is required for pools which are greater than 30 inches in height.
Full Breakdown
Sec. 10-27(b)(5) of the Code of General Ordinances requires a City pool permit for any pool greater than 30 inches in height, tying the permit trigger to the same 30-inch side-wall threshold that activates the fencing requirement elsewhere in Sec. 10-27(b). The permit sits within the City's general building permit framework administered by the Building Division under Sec. 10-10, so a pool permit application follows the same process: a form filed with the City plus enough plan detail for the Building Division to confirm compliance with the Code, and Sec.
10-13(a)(2) confirms swimming pools are separately fee-scheduled rather than folded into a general building-permit fee tier. Placement matters as much as the permit itself: Sec. 10-27(b)(1) bars locating any portion of a pool or its equipment, such as a pump or filter, less than eight feet from a side or rear property line, or less than 30 feet from a property line that fronts a street, and this siting rule applies regardless of whether the pool needs a fence. Sec. 10-27(b)(6) further requires that electrical connections serving pool pumps be installed to State of Wisconsin and National Electrical Code standards, and it expressly bars using extension cords for that equipment.
Because Janesville folds pool review into its ordinary Building Code permit and inspection structure, a permit holder who fails to complete the installation within the Code's standard timelines, or fails to schedule required inspections, can lose the permit under the general revocation grounds in Sec. 10-10(l).
Violations & Fines
Building without the required City pool permit falls under Sec. 10-13(a)(3), which penalizes work started before a permit issues at $100 or double the applicable permit fee, whichever is greater, capped at $2,000, on top of the normal fee. Installing a pool that violates the eight-foot side/rear or 30-foot street setback in Sec. 10-27(b)(1) is a Building Code violation the Building Inspector can order corrected, and using an electrical extension cord for a pool pump violates Sec. 10-27(b)(6) outright.
Frequently Asked Questions
Do I need a permit to install a pool in Janesville?
How far from my property line can I install a pool in Janesville?
Can I run my pool pump with an extension cord?
Sources & Official References
Other rules in Janesville
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Pool Permits in Nearby Cities
How other cities in Rock County handle pool permits.