Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Rialto
Roof repair in Rialto runs between $325 and $1,450 for most shingle, flashing, and leak jobs, depending on what we find once we’re on the roof. We cover both 92376 and 92377, from the mid-century tract streets south of the 10 to the newer subdivisions pushing north toward the Cajon Pass corridor. Wind damage drives a lot of our calls here, and so does plain sun-baked shingle fatigue. If you’ve got a ceiling stain or shingles in the yard after a Santa Ana, call (866) 321-6172 and we’ll get someone out to look.
Why Van Nuys Roofing Co Is Rialto’s Preferred Roof Repair Company
We’ve repaired enough roofs in Rialto to know the difference between a wind-lifted ridge cap and a UV-cooked field shingle, and that distinction changes how we fix the problem. On north-side slopes facing the Cajon Pass, we check nail patterns before we patch anything, because a roof that lost shingles once will lose them again if the fasteners were wrong from the start. Homeowners here tend to be practical people who want straight answers on whether a repair holds or whether a replacement actually makes sense. We inspect first, recommend second, and we’ll tell you which one is the right call. Rick Dominguez runs the crew, and his approach is simple: look at the whole roof before touching anything, document what’s failing, and price it in writing. That’s why we get called back for inspection work even when no repair follows.
We carry the same process on every job in Rialto. Our Roof Repair team works from a written scope, not a handshake. You’ll know what we’re replacing, what we’re inspecting, and what it costs before we start. That matters in a city where half the housing stock is past or near the end of a 20 to 25 year service life. An honest assessment here is worth more than a rushed patch.
Styles & brands we work with






Metal Roof Repair in Rialto
Metal roof repair in Rialto usually means re-sealing panel laps, replacing exposed fasteners with worn washers, and repairing seams where thermal movement has opened gaps, with most jobs running $450 to $1,200 depending on panel count and access. Metal roofs handle Rialto’s heat better than asphalt, but they’re not immune to it. Standing-seam panels expand and contract through every 100°F afternoon and cool desert night, and over a decade that movement loosens washers and stretches sealant until a monsoonal downpour finally finds a seam. On metal-over-shingle retrofits, we also check what’s underneath, because an aging composition roof hidden below a metal skin can still rot the decking.
Seam and Penetration Re-sealing
Skylights, vents, and pipe boots on metal roofs fail at the rubber collar before the metal around them fails. We strip old sealant, clean the seam, apply a metal-rated urethane, and reset the boot with new fasteners and washers. This holds through the thermal cycling that loosens cheaper caulks in one season.
Fastener and Panel Replacement
Loose screws with cracked neoprene washers let water wick into the purlins and sheathing. We replace them with high-wind-rated gasketed fasteners and swap any panel with fatigue cracks along the rib lines. On exposed slopes facing the pass, we upsize the fastener pattern so the next Santa Ana doesn’t rattle the whole roof.
Commercial Roof Repair in Rialto
Commercial roof repair in Rialto covers low-slope modified bitumen, TPO, and metal warehouse roofs, with repair costs typically between $650 and $2,400 depending on the membrane type and the square footage being accessed. The commercial stock along the industrial corridors near the 10 and the rail yards south of Baseline carries years of sun-load and wind stress, and a lot of it hasn’t been inspected since installation. Ponding on low-slope roofs bakes off and re-forms through the summer, and the standing water finds its way into seams and HVAC curbs. We handle repairs on the roof surface while keeping whatever’s below it dry and operational, which is the part commercial owners care about most.
Low-Slope Seam and Flashing Repair
TPO and mod-bit seams on Rialto commercial roofs split from thermal movement, especially at parapet transitions and around penetrations. We probe the seam, identify the failed section, and repair it with the correct membrane-compatible material rather than smearing generic mastic over the problem. That kind of patch fails by the next heat wave; a proper seam weld doesn’t.
Drain and Scupper Re-Roofing
When drains clog on a flat roof and water ponds for weeks, the membrane around the bowl and the scupper box rots first. We rebuild those transition points with new membrane, reinforcing mesh, and a drainage slope correction so water stops pooling. Rialto’s dry air dries these roofs fast, but only if the water can leave in the first place.
Trusted Brands We Service in Rialto
We repair and replace GAF, CertainTeed, Tamko, and Boral roofing systems across Rialto, which matters when you’re patching a roof that’s still under manufacturer warranty. Wrong materials void those warranties. Our crews know the installation specs and repair protocols for each brand, so a repair blends correctly with the existing system instead of creating a mismatched section that ages at a different rate. Seven leading brands, one crew that knows them all. If it goes on a roof in Rialto, we can service it without steering you toward whatever’s stacked in our warehouse.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Rialto Homes
- UV-cooked shingles that curl, crack, and lose granules. A roof that looks “fine” from the street can be granular-bare across the southern exposure, and once the mat shows through, the shingle’s waterproofing is gone. On Rialto tract homes from the 70s and 80s, this is the single most common repair trigger.
- Ridge caps and downwind-edge shingles lifted by Santa Ana winds. North-side slopes facing the Cajon Pass corridor take the brunt of every gust, and we routinely find shingles that were nailed too high or with too few fasteners. The repair has to re-nail with a high-wind pattern or it’ll peel again in the next blow.
- Failed flashing at skylights, valleys, and chimneys. The leak you see at the ceiling rarely lines up with the actual entry point. In Rialto’s sun, metal flashing expands and pulls away from old sealant, then the occasional monsoonal storm drives water straight under it.
- Soft decking hidden under an aging shingle-over. Quick shingle-over jobs cover rotted sheathing but never fix it. On older Rialto homes, we probe the deck when we lift shingles, because soft spots from decades of small leaks are far more common than anyone expects.
Pricing for Roof Repair in Rialto, CA
Shingle replacement in Rialto averages $325 to $650 for a small section, and a full flashing repair at a chimney or skylight lands between $450 and $900. Leak repair starts around $350 for a simple penetration and climbs to $900+ when we’re chasing valley flashing or re-building a skylight curb. Flat roof patches run $500 to $1,100 depending on membrane type, and ridge cap re-nailing after a wind event falls in the $400 to $800 range. Bigger jobs that open the deck and replace sheathing run $1,200 to $2,800. The range isn’t hand-waving; the spread comes from what opens up once we’re under the shingles. Call (866) 321-6172 for a free estimate, and we’ll put the number in writing before anything gets touched.
We Also Serve Cities Near Rialto
Our crews run to Bloomington, Fontana, Muscoy, and San Bernardino all week, and we know the housing stock in each. If you’re in any of those communities, you’re getting the same inspection-first approach we bring to every Roof Repair in Rialto job. Same standards, same written pricing, same crew.
Serving Rialto, CA — Our Local Coverage Area
We’re based in the Rialto area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Roof Repair in Rialto
Rialto’s summer heat pushes past 100°F for weeks, and asphalt shingles bake under UV that breaks down the asphalt matrix long before water intrusion shows up inside the house. The shingles curl, crack, and shed granules at the southern exposure first, and by the time a leak appears at the ceiling, the underlayment has usually been compromised for months. A roof here can look intact from the driveway while the southern slope is functionally end-of-life. Call (866) 321-6172 for an inspection before the first winter storm turns surface fatigue into ceiling stains.
Usually not. Ridge caps exposed to the Cajon Pass wind corridor get lifted when they were nailed too high, too shallow, or with too few fasteners, and the fix is re-nailing with a high-wind pattern and replacing damaged caps. The question is what we find on the deck underneath, because wind that strips ridge caps often flexes the field shingles below them. We inspect the whole slope, test the deck, and tell you if it’s a repair or replacement. You’ll get a straight answer, not a sales pitch.
It can, and we handle that directly. When we open a roof on an older Rialto tract home and find framing that isn’t up to current code, undersized sheathing, or wiring run too close to the deck, the repair scope changes. We write allowances into the contract before starting so those surprises are priced and approved in writing. You’ll approve additional work before we touch it, never after. That’s the difference between a bid that holds and one that becomes a moving target.
We repair GAF, CertainTeed, Tamko, and Boral systems, plus Owens Corning, IKO, and Atlas. That multi-brand fluency means we can match your existing roof’s membrane and shingle profile instead of forcing a mismatched patch that stands out and ages differently. If the roof is under manufacturer warranty, we follow the brand’s repair specs so the warranty stays intact. Your roof, your material choice.
Look at the scope, not just the bottom line. One bidder may price a shingle patch without touching the flashing that’s actually leaking, while another includes deck probing, underlayment replacement, and high-wind nailing. Ask whether the bid includes allowances for hidden deck damage, and whether changes are priced and approved in writing before work begins. Then call (866) 321-6172 for a third opinion. Rick Dominguez writes scopes that spell out exactly what’s included, and what happens when the roof opens up.
If your Rialto roof is showing its age or the wind just peeled something off, call (866) 321-6172 for a free estimate. We’ll inspect first, tell you what actually needs fixing, and put the number in writing.
Written by Rick Dominguez, owner at Van Nuys Roofing Co, serving Rialto and the Inland Empire.