Completed shingle roof replacement by GAX Roofing
San Bernardino County

Roofing Contractor
in Rialto, CA

Licensed C39 roofing contractor serving Rialto and surrounding areas. Shingle, tile, and flat roofs. Free in-home estimates. Se habla Espanol.

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✓ C39 Licensed & Insured
◈ Free In-Home Estimates
⌂ Family-Owned Since 2022
○ Se Habla Espanol
Serving Rialto

Your Local Roofer
in Rialto

Rialto has a mix of older homes that are due for replacement and newer developments that still need quality maintenance. GAX Roofing serves homeowners throughout Rialto with the same licensed, insured crew and straight-talk approach we bring to every job across the IE.

One advantage for Rialto homeowners replacing a tile roof: Eagle Roofing Products has a showroom in Rialto, right in Rialto. 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 Rialto

Which of the Four Do You Need in Rialto?

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.

The 210 Freeway Decides Your Roof in Rialto

Rialto has the most clear-cut local roofing rule in our entire service area, and it is drawn on a freeway. The city amended both its building and residential codes to require a Class A roof assembly north of the 210 freeway, on every construction type, no exceptions. South of the 210, the standard state table applies, which is Class C for a normal house.

The city's stated reason, in its own code, is ember spread from high winds off the nearby fire-prone areas. Rialto also runs higher design wind speeds north of the 210 than south, and that changes fastening, not just material. So two houses a few blocks apart in Rialto can have genuinely different roofs required, and the line is the freeway rather than the fire hazard map. Worth knowing before you compare bids with a neighbor.

Why Rialto 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

Do you serve Rialto?

Yes. GAX Roofing serves Rialto and surrounding areas in San Bernardino County. We come to you for a free in-home estimate, call (909) 819-8394 to schedule.

Are you licensed to work in Rialto?

Yes. GAX Roofing holds a California C39 Roofing Contractor license (#1135657) which covers all of California including Rialto. We're fully insured and pull permits on every job that requires one.

How much does a roof replacement cost in Rialto?

Most residential roof replacements in Southern California range from $11,000 to $20,000+ depending on size, roof type, and condition. We provide a detailed written estimate at no charge after walking the roof with you.

How quickly can you get out to Rialto for an estimate?

Typically within 1-3 business days. For active leaks or urgent situations call us directly at (909) 819-8394 and we'll do our best to get out sooner.

Before You Reroof in Rialto

The rules and numbers that shape a roof job here, each linked to where it comes from. Sources checked October 2026.

Permit
Rialto directs permit applications and inspection scheduling through its Online Permitting Center. Review time varies with the scope and complexity of the work. Source: City of Rialto, Permit and Inspection FAQs
Energy Code
The CEC ZIP lookup assigns 92376, 92377 to Climate Zone 10; confirm the zone for your address. In this zone, a single family steep slope reroof replacing more than 50% of the roof has a 2025 prescriptive minimum aged solar reflectance of 0.20 and thermal emittance of 0.75, or SRI of 16, subject to listed exceptions. Source: California Energy Commission, 2025 Energy Code 150.2(b)1I Also: CEC, Climate Zone Assignments by ZIP Code Also: CEC, property location and ZIP assignment guidance
Homes Here
The 2020 to 2024 ACS estimates Rialto's median year of housing construction at 1982. This describes the buildings, not the age of their current roofs. Source: U.S. Census Bureau, 2020 to 2024 ACS, table B25035
Local Rule
Rialto's 2026 construction checklist requires Class A roofing for projects north of the 210 freeway and identifies that area as a Special Wind Region. Source: City of Rialto, 2026 Pre-Construction Checklist, p. 3

Real GAX Work in Rialto

A partial shingle reroof in Rialto in September 2026. That section came off down to the board deck. The boards that were too far gone got replaced (the light wood in the photos), then ProArmor underlayment and new shingles went on. We also repaired the eave rafter tails over the French doors on the patio. The job is finished.

Old board roof deck with new replacement boards on a partial shingle reroof in Rialto, CA Board deck stripped on a Rialto shingle reroof, with a run of new boards along the bottom New boards at a valley with ProArmor underlayment starting on a Rialto shingle reroof New deck boards along the roof edge next to the shingles on a Rialto reroof ProArmor underlayment along the edge of a partial shingle reroof in Rialto, CA Eave rafter tails over the patio French doors on a Rialto, CA roofing job

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Serving Rialto,
free in-home estimates.

(909) 819-8394