← Service Areas

Plumber in Rancho Cucamonga, California

Residential, commercial, and 24/7 emergency plumbing in Rancho Cucamonga — from the family company that's served the Inland Empire since 1961.

Illustration: homes beneath the San Gabriel foothills in Ray May Plumbing's service area

Rancho Cucamonga sits squarely in our territory — from Alta Loma's foothill neighborhoods down to the newer communities near Victoria Gardens.

Plumbing in Rancho Cucamonga

Most of Rancho Cucamonga is slab-on-grade construction, which makes slab leak detection one of our most-requested services here: warm spots on floors, unexplained water bills, the sound of water running with everything off. Our electronic leak-locating equipment finds the problem within inches, so repairs are targeted instead of destructive. Foothill homes also see genuine winter cold — on freezing nights, exposed pipes in Alta Loma can and do burst.

Whether it's a leak under the slab, a tankless water heater conversion, or a full kitchen or bath remodel, one call covers design through final fixture — with our Upland showroom just down Foothill for fixtures you can actually touch.

Every service, locally

Everything we do is available in Rancho Cucamonga: leak and slab leak detection, water heater repair and replacement, drain and sewer service, repiping and gas lines, commercial plumbing, and complete kitchen and bath remodeling — backed by our Upland showroom and parts department.

See All Services  Call (909) 624-4509

Need a plumber in Rancho Cucamonga today?

Emergencies answered 24/7 · Lic #981297 · Free consultation.

Call (909) 624-4509
📞 CALL NOW — 24/7 SERVICE