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 Fontana
Roof repair in Fontana typically runs between $350 and $1,850 depending on what’s actually wrong, and most jobs are scoped in one visit with a written quote before any work begins. We work across all four Fontana ZIP codes: 92335, 92336, 92337, and 92331. If you’ve got a leak, lifted shingles, or a worn vent boot, call (855) 341-6021 and we’ll start with an inspection, not a sales pitch.
Millstone Roofing is based in Pomona and we’re in Fontana regularly. We know the difference between a wind-damaged ridge cap on a north-side home near the Cajon Pass and a sun-baked shingle failure on a Kaiser-era tract house in the flats. That local knowledge changes what we look for during an inspection, and it changes what we recommend. If you need Roof Repair in Fontana, you want someone who’s seen both failure patterns enough times to know them on sight.
Key Takeaways:
- Inspection first, documented findings, then a written quote. No exceptions.
- We stock materials from GAF, CertainTeed, Owens Corning, and Boral for Fontana jobs.
- Free estimates. Fixed pricing with no change orders unless you approve them in writing first.
- One crew from first inspection to final shingle.
Why Millstone Roofing Is Fontana’s Preferred Roof Repair Company
Fontana homeowners tend to ask the same two questions: is this a repair or a replacement, and how much will it actually cost? We answer both with documentation. Every repair recommendation we make in Fontana starts with a written inspection report that includes photos and specific findings. That’s the Millstone difference, and it’s why people who are tired of high-pressure roofing sales keep calling us back.
Nelson Ibarra runs our operation, and his rule is simple: inspect first, sell nothing you can’t prove. When a Fontana homeowner shows us a ceiling stain, we don’t quote a full roof. We find the penetration, check the flashing, and explain exactly what failed. If a repair will hold, we say so. If it won’t, we show you the decking, the shingle wear, and the math. No scare tactics.
We carry seven roofing material lines: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That means the product we recommend for your Fontana roof fits your roof’s condition and your budget, not our supplier’s quota. Brand-agnostic advice is rare in this industry. It’s how we operate.
Styles & brands we work with






Storm Damage Roof Repair in Fontana
Storm Damage Roof Repair in Fontana is something we handle every fall and winter, because the Santa Ana winds that barrel through the Cajon Pass hit the city’s north edge harder than almost anywhere else in the Inland Empire. Homes in the 92336 and 92337 corridor near Sierra Avenue and Citrus Avenue lose ridge caps, lifted shingle tabs, and occasionally whole sections of underlayment peel back. It’s not dramatic storm chasing. It’s a predictable annual pattern.
Wind Uplift and Lifted Shingles
Homes closest to the Cajon Pass get pounded by sustained northeast winds that can gust high enough to lift shingles that weren’t properly fastened. The seal strip fails, the tab curls up, and the next wind event turns a cosmetic issue into a leak. We inspect the fastening pattern, not just the surface. If the nails missed the nail line or the shingles are old enough that the sealant has given up, we tell you.
Ridge Cap and Flashing Tears
Ridge caps take the most direct wind load on a gable roof. In Fontana’s wind corridor, we regularly replace ridge caps that have torn loose at the nails or cracked along the bend. The fix is straightforward, but the material matters: we match the existing shingle brand when possible and use a high-wind fastening pattern when the home’s location calls for it. Wind-damaged flashing around chimneys and vents gets replaced and sealed, not patched over with caulk.
Metal Roof Repair in Fontana
Metal Roof Repair in Fontana is a smaller part of our work than shingle repair, but it comes up often enough in the newer subdivisions pushing north and east toward the 92336 and 92337 foothills, where tile and standing-seam panels are more common. The typical Fontana metal roof issue is a failed fastener gasket or a seam that’s opened up under thermal cycling. Fontana summers hit 100°F and higher, and metal expands and contracts a lot over a season.
Fastener and Seam Failures
On a Fontana metal roof, the most common leak source is a screw with a dried-out neoprene washer. The gasket cracks from UV and heat, water walks down the screw shank, and you get a slow drip that stains the ceiling. We replace the fasteners in the affected area with gasketed screws that are rated for the panel profile, then check the surrounding fasteners because when one fails, its neighbors are usually close behind.
Panel Replacement and Coating
When hail or a fallen branch dents a metal panel beyond repair, we replace the individual panel rather than layering coating over it. On the repairable side, a sun-baked metal roof in Fontana can often be extended with a factory-matched touch-up or an acrylic roof coating. We’ll tell you which route makes sense after seeing the roof, and we’ll show you the panel thickness and existing coating condition before we quote.
Trusted Brands We Service in Fontana
We work with seven of the roofing industry’s leading manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Fontana homeowners, that matters in two ways. First, we can match your existing shingle or tile so a repair doesn’t leave a visible patch. Second, we can offer manufacturer-backed product warranties through recognized brand programs when a repair crosses into replacement territory. If your Fontana roof has a brand we don’t list, we’ll still inspect it and tell you straight whether a repair makes sense or whether the roof is at the end of its life.
Common Roof Repair Problems We See in Fontana Homes
- Sun-baked shingle failure in the flats: The 92335 and 92336 neighborhoods south of Foothill Boulevard are dense with 1950s-era Kaiser Steel tract homes. Ten-plus hours of Inland Empire sun eats the asphalt binder, and the shingles crack, curl, and lose granules until water finds a penetration. Worn vent boots are the usual entry point.
- Wind-driven ridge cap loss near the Cajon Pass: North-side homes in Fontana catch the full force of Santa Ana winds funneling through the pass. Ridge caps lift, shingle tabs peel, and underlayment gets exposed. We see this every fall.
- Plank sheathing that won’t support a layover: Many older Fontana homes are on their second or third roof, and the original plank decking underneath is often soft at the seams or rotted around old fasteners. We find it during the tear-off, price it in writing before we re-deck, and explain why a layover over bad decking fails.
- Worn pipe boots and valley flashing: The rubber boot around plumbing vents cracks from heat and UV, and valley flashing on older shallow-gable roofs pulls loose over time. Both are cheap to fix when caught early, and both turn into interior damage when ignored.
See the difference
Before
After
Before
After
Before
AfterPricing for Roof Repair in Fontana, CA
Here’s what we actually see in Fontana, not national averages. A vent boot replacement runs $175 to $275. A small shingle patch or ridge cap repair is $350 to $650. Flashing repair around a chimney or valley runs $450 to $900. A leak repair that requires opening up decking and drying the underlayment is typically $700 to $1,400. A metal panel replacement lands between $600 and $1,800 depending on the panel profile and accessibility.
What moves the number is what we find when we open the roof. On older Fontana homes, soft plank decking is the single biggest factor. We price the anticipated work, and any additional decking is quoted in writing before we touch it. No change orders, no surprise bills. If you’re in Fontana and want an exact number for your roof, call (855) 341-6021. The estimate is free, and the inspection comes with documentation.
We Also Serve Cities Near Fontana
Millstone Roofing regularly handles roof repair in Bloomington, Rialto, Glen Avon, and Pedley, all within minutes of our Fontana routes. If you’re in one of those communities and you’ve been told you need an emergency repair or a second opinion on a full replacement, Roof Repair in Fontana starts with the same first step: an inspection with written findings. Call (855) 341-6021 to schedule.
Serving Fontana, CA — Our Local Coverage Area
We’re based in the Fontana 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 Fontana
We find it, document it, and price it in writing before we do the extra work. On a 1958 Kaiser Steel tract home off Arrow Boulevard in the 92335 flats, our crew found the original plank decking was too deteriorated for a layover, so we tore off to the sheathing and re-decked before installing new underlayment and architectural shingles. The homeowner had already been through two roofs and was relieved we caught the soft spots before the tear-off, pricing the extra decking in writing before we touched it. That’s standard practice for us in Fontana, where second- and third-generation roofs are common. Call (855) 341-6021 and we’ll explain what your deck looks like and what it means for your repair.
Wind load. Homes on Fontana’s north side, particularly in the 92336 and 92337 areas near the 15 Freeway and Sierra Avenue, get hit by Santa Ana winds that funnel through the Cajon Pass. The failure mode is mechanical: lifted shingles, torn ridge caps, peeled underlayment. Homes in the flats, especially the 92335 tract housing built for Kaiser Steel workers, fail from UV degradation instead. The shingles bake, crack, and let water in at penetrations. We inspect differently depending on which side of Fontana you’re on, because we’re looking for different things.
On a second-generation roof on an older Fontana home, we lean toward tear-off, and here’s why. The plank sheathing under many 1950s and 1960s roofs in the 92335 flats is original or close to it. If the deck is soft at the seams, a layover hides the problem and shingles fail again within a few years. A full tear-off lets us inspect the deck properly, re-deck where needed, and install a roof that’s built for Fontana’s heat. We’ll show you photos of the decking before you decide. Either way, the recommendation comes from the inspection, not from a preference for bigger jobs.
If you’re north of Foothill Boulevard or anywhere within the Cajon Pass wind corridor, look for shingles rated for at least 110 mph wind coverage, and insist that the installer uses the manufacturer’s high-wind fastening pattern: six nails per shingle, not four. We install GAF, CertainTeed, and Owens Corning shingles at that standard on Fontana’s north side as a default. In the flats, the wind rating matters less than the shingle’s heat tolerance and the quality of the vent boot sealants. Your location in Fontana should drive the material spec.
Small repairs that don’t touch the deck or structural layers generally don’t require a permit in Fontana. But if we open the deck and find rot that extends into the framing, or if we’re replacing a large enough area that the City classifies it as a re-roof, a permit gets pulled and the work gets inspected. That’s not a delay; it’s protection. We handle the paperwork, pull the permit when required, and make sure the final inspection passes. When we open a Fontana roof and find code issues, we tell you what the upgrade costs before we proceed. Call (855) 341-6021 to talk through your specific roof.
Contact Millstone Roofing for Roof Repair in Fontana
You don’t have to guess what your roof needs or sit through a sales pitch to find out. We inspect, we document, and we quote in writing. If a repair is all you need, that’s what we recommend. If the decking is gone and the roof has to come off, we’ll show you why. Nelson Ibarra and the Millstone Roofing crew serve Fontana with the same straightforward approach: the right material for your roof, not the easiest one for us to stock. Call (855) 341-6021 to schedule your free estimate.
Written by Nelson Ibarra, Owner at Millstone Roofing, serving Fontana with inspection-first roof repair and replacement.