Swimming pool permit rules in Milpitas, CA — also covering above-ground pools, in-ground pools, and spa installations — set fencing, barrier, alarm, and inspection requirements.
Milpitas requires a building permit to construct, remodel, or alter any swimming pool, spa, or hot tub, per the city's Office of Building Safety residential pool handout. A pool is any structure holding water over 24 inches deep. Above-ground pools and spas may only require plumbing and/or electrical permits plus a barrier inspection.
Per the City of Milpitas Office of Building Safety 'Pool and Spa (Residential)' handout, permits are required for construction of a new pool, spa, or hot tub, or remodeling/alteration of an existing one. A swimming pool is defined as any structure intended for swimming, recreational bathing, or wading that contains water over 24 inches deep, including in-ground, above-ground, and on-ground pools, hot tubs, spas, and fixed-in-place wading pools (CBC 202). Above-ground pools and spas may only require plumbing and/or electrical permits plus inspection of the barrier. A site inspection is part of the plan check process for new outdoor pools, spas, or hot tubs. In-ground pools must be designed by an engineer. Before a permit is issued, the property owner must sign and submit the Pool/Spa Safety Requirements Certificate; before final inspection, the Pool/Spa Anti-entrapment Device Certificate must be provided. All work must comply with the 2025 California Building Code and Residential Code, the International Swimming Pool and Spa Code (ISPSC), and the Milpitas Municipal Code. Plan submittals for Planning and Engineering are made through the Building Safety Department.
Building or remodeling a pool, spa, or hot tub without the required permit is a code violation enforced by the Office of Building Safety. Required inspections (underground, pre-gunite, final) must pass, and the anti-entrapment certificate must be provided at final inspection.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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