Swimming pools in Walnut: the local rules

Each rule below links to the section of the Walnut Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Walnut's code says

Walnut code What Walnut's code adds
Pool barrier	Besides doors and gates, no openings over 50 square inches, unless rectangular with no horizontal side over 4 inches. § 3.48.370 · code text with no openings except doors or gates, with an area greater than 50 square inches, except that a rectangular opening having no horizontal dimension exceeding four inches, may have a greater area.
Barrier height	At least 5 feet high. Applies: Pools 2 feet deep or more; measured on the side away from the pool. § 3.48.370 · code text The fence, wall or other structure required by this section shall be not less than five feet high, measured from the existing surface to the top of the fence or wall on the side of the fence or wall opposite the side towards the pool,
Gates	Self-closing, self-latching devices at least 4 feet above grade; gates stay closed and latched when the pool is unused. § 3.48.370 · code text All gates or doors opening through the fence or structure protecting a swimming pool as required by this section shall be equipped with self-closing and self-latching devices not less than four feet above grade capable of keeping such gate or door closed at all times when not in actual use.

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Frequently asked questions

What are the pool fence and setback rules in Walnut?

Walnut's code: At least 5 feet high. (Pools 2 feet deep or more; measured on the side away from the pool.) (§ 3.48.370); Self-closing, self-latching devices at least 4 feet above grade; gates stay closed and latched when the pool is unused. (§ 3.48.370).

Swimming pools in Walnut

What Walnut's code says

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