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Swimming pools in Palo Alto

Palo Alto's own rules on swimming pools, with the code text for every value.

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

What Palo Alto's code says

Palo Alto code What Palo Alto's code adds
Pool barrier
  • The gap from the ground to the bottom of the enclosure is at most 2 inches (51 mm).
    Applies: Applies to enclosures for private pools.
    § 16.18.150 · code text
    A maximum vertical clearance from the ground to the bottom of the enclosure of two inches (51 mm).
  • Gaps must not let a sphere 4 inches (102 mm) or wider pass through.
    Applies: Applies to enclosures for private pools.
    § 16.18.150 · code text
    Gaps or voids, if any, do not allow passage of a sphere equal to or greater than four inches (102 mm) in diameter.
  • The outside must have no bumps, holes or features that could help a child under 5 climb over.
    Applies: Applies to enclosures for private pools.
    § 16.18.150 · code text
    An outside surface free of protrusions, cavities or other physical characteristics that would serve as handholds or footholds that could enable a child below the age of five years to climb over.
  • At least 2 of 7 drowning safety features, such as enclosure, mesh fence, safety cover, exit alarms or self-closing doors.
    Applies: Applies with a permit for a new or remodeled pool or spa at a private single-family home.
    § 16.18.140 · code text
    Whenever a building permit is issued for construction of a new swimming pool or spa, or any building permit is issued for remodeling of an existing pool or spa, at a private, single-family home, it shall be equipped with at least two of the following seven drowning prevention safety features:
Barrier height
  • At least 60 inches (1,524 mm) tall.
    Applies: Applies to enclosures for private pools.
    § 16.18.150 · code text
    A minimum height of 60 inches (1,524 mm).
Equipment and alarms
  • Exit alarms on doors and windows opening directly to the pool must sound continuously or give spoken warnings when open.
    Applies: Applies to private single-family homes that use the exit-alarm safety feature.
    § 16.18.140 · code text
    Whenever any door or window is opened or left ajar, exit alarms shall make either an audible, continuous alarm sound or a repeating verbal warning, such as a repeating notification that “the door to the pool is open.”
Gates
  • Gates open away from the pool and self-close, with a self-latch at least 60 inches (1,524 mm) above ground.
    Applies: Applies to access gates through private pool enclosures.
    § 16.18.150 · code text
    Any access gates through the enclosure open away from the swimming pool and are self-closing with a self-latching device placed no lower than 60 inches (1,524 mm) above the ground.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What are the pool fence and setback rules in Palo Alto?

Palo Alto's code: At least 60 inches (1,524 mm) tall. (Applies to enclosures for private pools.) (§ 16.18.150); Gates open away from the pool and self-close, with a self-latch at least 60 inches (1,524 mm) above ground. (Applies to access gates through private pool enclosures.) (§ 16.18.150).

General information, not legal advice.

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