Where We Work

From Mt. Baldy in the north to Chino Hills in the south, Covina and Glendora in the west to Fontana in the east — and all points in between, since 1961.

Illustration: homes beneath the San Gabriel foothills across Ray May Plumbing's service territory

Our territory covers different climates on the same day — a frozen line in Padua Hills in the morning, an icemaker line in Ontario by afternoon. Pick your city for local details, or just call: if you're anywhere near this map, we're your plumber.

Upland, CA

Upland is home — our showroom, our parts department, and our dispatch have been at 1231 W 9th Street for years, and we've served this city since 1961.

Upland plumbing services →

Montclair, CA

Montclair is one of our home cities — a few minutes from our Upland showroom, and part of Ray May Plumbing's service territory since 1961.

Montclair plumbing services →

Ontario, CA

From historic downtown to the newest development, Ontario has been inside Ray May Plumbing's service territory since 1961 — it's one of the cities we're in almost daily.

Ontario plumbing services →

Rancho Cucamonga, CA

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

Rancho Cucamonga plumbing services →

Claremont, CA

Claremont's tree-lined streets and historic homes are some of our favorite places to work — and some of the most demanding plumbing in the valley.

Claremont plumbing services →

Pomona, CA

Pomona has been part of Ray May Plumbing's service area since 1961 — from the historic districts to the Fairplex neighborhoods to Phillips Ranch.

Pomona plumbing services →

Chino, CA

Chino's mix of established neighborhoods and fast-growing new development keeps our crews busy on both ends of the plumbing spectrum.

Chino plumbing services →

Chino Hills, CA

Chino Hills marks the southern edge of our home territory — and we've been serving it since before most of its neighborhoods existed.

Chino Hills plumbing services →

Fontana, CA

Fontana is the eastern anchor of Ray May Plumbing's territory — we've made the run down Foothill and the 10 for decades.

Fontana plumbing services →

Glendora, CA

Glendora sits at the western edge of our service territory, up against the foothills — Pride of the Foothills, and some of the coldest winter nights we work in.

Glendora plumbing services →

Covina, CA

Covina — and its neighbors along the 210 corridor — has been in Ray May Plumbing's western territory since 1961.

Covina plumbing services →

Don't see your city?

We cover the points in between, too — Mt. Baldy, San Antonio Heights, La Verne, San Dimas, Diamond Bar and more. Just ask.

Call (909) 624-4509
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