Roofing Contractor
in Rancho Cucamonga

Your Local Roofer
in Rancho Cucamonga

As a Rancho Cucamonga-based contractor, GAX Roofing is your neighbor. We've replaced and repaired roofs across Victoria, Alta Loma, Etiwanda, and every neighborhood in between. We know the local permit process, the city inspection requirements, and the specific challenges the Inland Empire climate puts on roofs out here.

One advantage for Rancho Cucamonga homeowners replacing a tile roof: Eagle Roofing Products has a showroom in Rialto, a short drive from Rancho Cucamonga. Eagle makes some of the best concrete tile available, and their showroom lets you see and handle actual profiles and colors before committing to anything. When we do a tile replacement in this area, Eagle is one of the brands we use most, being able to walk in and pick your material in person makes the whole process a lot easier.

We're a family-owned C39 licensed roofing contractor based in Rancho Cucamonga. Our team handles every estimate and project-manages every job from start to finish. You always have a direct line to us with any question, before, during, or after the work is done. Free in-home estimates. There's a pitch, but we're not going to sit at your house for three hours and grind you down.

Roofing Services in Rancho Cucamonga

• Roof Replacement, full tear-off and install, all roof types
• Roof Repairs, leaks, storm damage, flashing, missing shingles
• Asphalt Shingle Roofing, installations built for SoCal heat
• Tile Roofing, concrete and clay tile, lift-and-relay, repairs
• Flat Roofs, TPO, PVC, EPDM, modified bitumen
• Residential Roofing, full-service, one crew, one point of contact

Which of the Four Do You Need in Rancho Cucamonga?

We do four things. Most people call us knowing something is wrong and not knowing which of the four it is, so here is how they actually differ.

• Asphalt shingle roofs. The most common job we run. Old roof comes off to the deck, wood gets repaired where it needs it, new underlayment and shingles go on. We do not do overlays, so a shingle job here is always a full tear-off.
• Tile replacement with new tile. This is when the tile itself is done: cracked, chipped, or a discontinued profile nobody can match. You are picking new material, so this one is a bespoke job. Eagle Roofing Products has a showroom in Rialto and we will sometimes go with you to handle actual profiles and colors before you commit.
• Tile lift and relay. Your tile is fine, what failed is the underlayment beneath it. We lift the tile off, stack it, replace everything underneath, and set the same tile back down. Homeowners search for this as a replacement, and it is one, it replaces the waterproofing. It is just not a tile replacement.
• Flat roofing. Low-slope sections, patio tie-ins, and small commercial buildings. Different material, different failure modes, different repair approach than a sloped roof.

The one that gets mixed up most is the middle two. If the tile is intact, you very likely need a lift and relay, not a tile replacement, and the price difference is not small. If someone quoted you all-new tile without going up to look at whether your existing tile is reusable, get a second look before you sign.

What Rancho Cucamonga Requires That the State Does Not

Rancho is stricter than California, and most homeowners here have no idea. The city adopted the 2025 codes by Ordinance 1048 on November 19, 2025, and amended the roof classification table in two places (RCMC 15.12.050 and 15.14.060). The table's own caption says it covers "re-roofs," so there is no debate about whether it applies to you. A normal single-family house in Rancho needs at least a Class B roof, where the state would allow Class C. Up in the Very High Fire Hazard Severity Zone, which is the northern end of the city in the foothills and not the flats, it is Class A.

Two more that affect your schedule and your bid. Roof work over 400 square feet on a house needs a full reroof permit rather than a repair permit, and the city's own handout names lift and relay inside that same threshold. And if you are changing the roof material from what the house was originally approved with, Planning reviews it, not just Building. That is real calendar time, so we raise it at the estimate instead of after you have signed.

Why Rancho Cucamonga Homeowners Choose GAX Roofing

• C39 licensed and fully insured, never hire an unlicensed roofer
• Every estimate and every job run by an owner, start to finish
• We pull permits and handle city inspections
• Straight answers, we don't upsell replacements when repairs will do
• 5.0 stars on Google across dozens of reviews
• Bilingual crew, se habla Espanol
• Free in-home estimates, no obligation

Frequently Asked Questions