Ontario Pool Builders & Design — Insured & Bonded

Call (866) 931-3458 or send the form and we schedule a site visit in Ontario, usually within a couple of days. You get a written, itemized free estimate with materials and scope spelled out — no verbal ballpark, no pressure, and no charge whether you hire us or not. Se habla español.

We also serve Rancho Cucamonga, CA and the rest of the Inland Empire. Everything starts at the Fontana Pool Builders homepage.

Fontana Pool Builders covers the same range of work in Ontario that we do in Fontana — nothing is carved out because the address is a few miles up the road:

• Spa & Hot Tub Installation — Spa and hot tub installation in Fontana gives you the half of the year the pool cannot cover, because Inland Empire winters are mild and clear and a spa gets used from October straight through April. A raised gunite spa spilling into the pool is the most common design we build, and constructing it alongside the pool costs far less than adding one later since it shares filtration, heater, gas line, and automation.
• Water Features & Tanning Ledges — Tanning ledge and water feature design in Fontana produces the part of the pool people use on a 108-degree afternoon when swimming laps is the last thing on anyone's mind. A tanning ledge, also called a Baja shelf or sun shelf, is a 6 to 12 inch deep platform at one end of the pool, and two bubblers turn it into the most-occupied square footage in the yard.
• LED Pool Lighting — LED pool light installation in Fontana replaces a 300 to 500 watt incandescent fixture with one drawing roughly 40 to 70 watts at the same or better output, and the LED lasts several times longer. In a climate where the pool genuinely comes alive after sunset from June through September, the lights run a lot of hours, and at California electricity rates that difference is money rather than marketing.
• Pool Automation & Smart Controls — Pool automation in Fontana is what turns your Title 20 variable-speed pump from a legal requirement into an actual saving, because a variable-speed motor only pays back if it runs long and slow rather than short and hard, and nobody manages that with a mechanical timer. A modern controller schedules the pump at the correct RPM for each task, switches valve actuators between pool and spa, fires the heater from your phone, runs the cleaner, and handles the light shows.
• Pool Heaters & Heat Pumps — Pool heater installation in Fontana extends an already long season at both ends, because Inland Empire days warm up fast in March and October while the water stubbornly lags twenty degrees behind the air. We install and service natural gas heaters, electric heat pumps, and solar systems, and the choice comes down to whether you want fast heat or cheap heat.
• Variable-Speed Pumps & Filtration — Variable-speed pump installation in Fontana is effectively mandatory rather than optional, because California Title 20 appliance efficiency standards require replacement pool pumps above one total horsepower to be variable speed. The good news is that this is one regulation that pays you back, since running long and slow instead of short and hard typically cuts pump energy use by more than half, and with Inland Empire electricity rates and a pool that circulates most of the year that is a real number on a real bill.

See the full list of Fontana services, or call (866) 931-3458.

Ontario sits in San Bernardino County with a population of roughly 175,000, close enough to Fontana that crews move between the two constantly. Local landmarks and corridors residents know well include Interstate 10, Ontario International Airport.

Local knowledge is not a marketing line here. Ontario properties share soil, weather, permit rules and construction eras with the rest of San Bernardino County, and a pool contractor who works the area weekly already knows what fails locally and what holds up. That is the difference between a bid and an accurate bid.