Swimming pool permit rules in Rialto, CA — also covering above-ground pools, in-ground pools, and spa installations — set fencing, barrier, alarm, and inspection requirements.
Building a pool or spa in Rialto requires a building permit through the city's Online Permit Center, with plans that show compliance with the pool fencing chapter, and the pool cannot be filled until fences and gates pass inspection. State law adds that any new or remodeled residential pool must include at least two of seven drowning prevention safety features verified at final inspection.
Rialto's Building & Safety Division (150 S. Palm Avenue, 909-820-2505) processes permits through the city's Online Permit Center, and all permits need a signed Declaration Form with the ID of the person who signed. The city has adopted the California Building Code and California Residential Code (RMC 15.08.020-15.08.030); permit applications submitted after December 31, 2025 fall under the 2025 California Building Standards. Under RMC 15.36.040, all swimming pool plans submitted to the city must show compliance with the pool fencing chapter, and no pool may be filled with water until fences and gates are in place and have been inspected and approved. RMC 15.36.050 adds that pools pre-gunited without inspection must be removed to the existing excavation cavity, and constructed pools must have a minimum of two feet of decking and one foot of coping. At the state level, Health & Safety Code 115922 requires that when a building permit is issued for a new or remodeled pool or spa at a single-family home, the pool must be equipped with at least two of seven drowning prevention safety features, which the building official inspects before final approval.
Building without a permit is a code violation subject to misdemeanor prosecution ($1,000 fine and/or six months) or infraction fines under RMC 1.16.010, and administrative fines of $100 to $1,000 per day under RMC Chapter 1.10. Pools gunited without inspection must be removed back to the excavation cavity (RMC 15.36.050), and a pool filled before fence approval violates RMC 15.36.040.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Rialto, CA
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