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Madison, AL Swimming Pools & Spas: Fencing & Safety Requirements (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Minimum barrier height
4 feet
Gap limit
No 4-inch sphere passage
Code adopted
2018 ISPSC Section 305
House as barrier
Door/window alarms required
Barrier in place
Before pool is filled

Summary

Madison requires a minimum 4-foot-tall barrier around a pool that will not allow passage of a 4-inch sphere, in compliance with Section 305 of the 2018 International Swimming Pool and Spa Code. The barrier must be in place before the pool is filled.

A minimum 4 foot tall fence that will not allow passage of a 4 inch sphere. If a chain link fence or fences with horizontal or diagonal members are used, then additional requirements apply in accordance with Section 305 of the 2018 International Swimming Pool and Spa Code.

Full Breakdown

The City adopts Section 305 of the 2018 International Swimming Pool and Spa Code (ISPSC) for pool barriers, whose intent is to prevent uncontrolled access by children from a street, adjacent property, or the home. A minimum 4-foot fence that will not permit passage of a 4-inch sphere is required. Chain-link fences or fences with horizontal or diagonal members trigger additional Section 305 requirements. If a house wall serves as part of the barrier, doors and windows leading to the pool must have alarms or other approved systems. Shadowbox fences typically do not qualify. Where an existing neighbor's fence is used, it must be retrofitted to code and each shared-fence neighbor must submit a signed agreement.

Violations & Fines

Not having a complete barrier around the perimeter of the pool is a violation of Section 305 of the 2018 International Swimming Pool and Spa Code.

Frequently Asked Questions

Does a shadowbox fence count as a pool barrier?
Typically no. Madison states shadowbox fences generally do not constitute an approved pool safety barrier and must be brought up to minimum Section 305 requirements.
Can I use my neighbor's existing fence?
Only if it is retrofitted to meet code and each neighbor sharing the fence submits a written, signed agreement to the City.

Sources & Official References

Other rules in Madison

All Madison rules

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Fencing & Safety Requirements in Nearby Cities

How other cities in Madison County handle fencing & safety requirements.

Huntsville, AL
Some Restrictions