Hawthorne's pool rules apply by water depth, not pool type. Any pool, pond, spa, or hot tub deeper than three feet - including an above-ground pool - must have a six-foot enclosure with a self-closing/self-latching gate (latch four feet up) under Zoning Code 17.20.160, and electrical and structural permits still apply.
The City of Hawthorne does not exempt above-ground pools from its enclosure standard. Zoning Code Section 17.20.160 is written by water depth: any swimming pool, pond, spa, or hot tub having a depth greater than three feet must be enclosed by a structure, fence, or wall six feet in height, with every outside gate or door equipped with a self-closing device and a self-latching device located not less than four feet above the ground. Because most above-ground pools exceed three feet of water depth, they trigger the same six-foot barrier rule as in-ground pools. The barrier can incorporate a building wall, and where a portion of the enclosure is the wall of a building, no separate wall is needed along that segment. Above-ground pools must also satisfy the same accessory-use placement limits in 17.20.160 - no location in a required front yard and at least five feet from any exterior property line. On the construction side, the City's Building & Safety Department typically requires electrical permits for pump/filter wiring and may require structural review depending on the installation; permanent above-ground pools are handled through the adopted California Building Standards Codes. The statewide Swimming Pool Safety Act drowning-prevention features (HSC 115922-115928) likewise apply when a permit is pulled.
Installing an above-ground pool over three feet deep without the six-foot enclosure and complying gate hardware, placing it in a required front yard, or wiring its equipment without an electrical permit, violates Section 17.20.160 and the building code. Enforcement ranges from correction notices to abatement of the unguarded water hazard.
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