Architectural shingles
Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Montclair, CA
Roofing in Montclair, CA is a different animal than roofing down the hill or out by the coast. The homes here, most of them single-story tract houses from the 1950s through the 1970s, sit at the foot of the San Gabriel Mountains and catch every degree of inland heat and every gust that funnels through the Cajon Pass. A roof inspection in Montclair is not a formality. It’s how you find out whether your shingles are cracking from thermal stress before a Santa Ana wind peels a section off. Call Windmill Roof Repair at (866) 850-2496 when you want a straight answer about what your roof actually needs. We’ve served Montclair since 2018 and work across seven shingle brands because the right material for your roof should not depend on what a contractor happens to stock.
Why Montclair Homes Are Different
Montclair sits in the eastern San Gabriel Valley in the 91763 ZIP, and the housing stock tells a specific story. The post-war building boom filled the Pomona Valley quickly, which means roofers in Montclair open up a lot of original low-slope and gently pitched roofs with aging sheathing and ventilation that was barely adequate in 1965, let alone 2025. Some newer infill from the 1980s and 1990s brought tile roofs into the mix, but asphalt shingle still dominates by a wide margin.
The climate does two things at once. Summer temperatures in Montclair routinely push past 100°F, and that sustained heat bakes asphalt shingles until the granules loosen and the mat becomes brittle. Then the Santa Ana winds accelerate through the Cajon Pass and hit those same shingles from a different angle entirely. Thermal expansion cracking and wind uplift are the two most common problems we document during inspections here. Minimal rain means dry-rot is less common than sun-baked, brittle shingles and failed flashing around swamp coolers and skylights.
There’s also a pattern specific to the south side of the 10 Freeway. Roofs near the freeway often show accelerated granule loss and soot-staining from diesel exhaust and dust kicked up by constant truck traffic. We check for that on every Montclair inspection because it changes how we read the shingle condition. A roof that looks ten years old might actually be five, and that matters for repair versus replacement decisions. Montclair’s permitting culture is stricter than the surrounding unincorporated county areas, which is fine by us. We pull permits and get inspections passed the right way.
Styles & brands we work with






Our Main Montclair Services
Most calls from Montclair homeowners fall into one of two buckets: a leak or visible damage that needs targeted repair, or a roof that has reached the end of its serviceable life and needs replacement. Both start with the same honest assessment.
Roof Repair in Montclair
Repair work in Montclair is shaped by the heat and wind. We regularly find cracked shingles on south-facing slopes, lifted tabs along eaves, and failed flashing around swamp cooler curbs and plumbing vents. A targeted roof repair can extend the life of an otherwise sound roof by years, which is why we treat repair as a genuine standalone option rather than a stepping stone to a replacement quote. If you have a leak or visible damage, start with a professional assessment. Roof Repair in Montclair covers what we fix, what it costs, and how we scope the work so you only pay for what the roof actually needs.

Roof Replacement in Montclair
Some Montclair roofs, especially the original 1950s and 1960s tract home roofs with aging sheathing and outdated ventilation, are past the point where patches make sense. A full roof replacement in Montclair means choosing a shingle that can handle triple-digit heat and wind gusts through the pass. Because Windmill Roof Repair works with seven brands including GAF, CertainTeed, Owens Corning, and Atlas, we can match the product to the roof’s pitch, exposure, and your budget rather than pushing whatever is in the yard. Roof Replacement in Montclair walks through the process, the material options, and the local factors that affect cost.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Roof Inspection in Montclair
A roof inspection in Montclair is the most practical first step a homeowner can take, whether you’ve noticed a water stain on the ceiling, you’re preparing to sell, or you just want to know where your roof stands before the next heat wave. The homes here, mostly 1950s through 1990s construction, age differently than coastal roofs. Sun exposure and wind matter more than moisture here. We offer Roof Inspection as a standalone service, not as a sales funnel. You get an objective written report on what’s there, what’s failing, and what can wait. See it before you sign anything.
Roof Inspection Services
Signs you need it
You’ve spotted a water stain, your roof is 15 or more years old, or you saw lifted shingles after the last Santa Ana event.
What it costs in Montclair
Most Montclair roof inspections run between $200 and $375, depending on roof size, pitch, and access.
How we do it
We walk the roof surface, document shingle condition with photos, check flashing at every penetration, and test for soft spots in the sheathing, then deliver a written condition report without pressure.
Free Roof Inspection
Signs you need it
You’re not sure whether your roof has a problem at all, and you want a professional opinion before committing any money.
What it costs in Montclair
In Montclair, we offer a free roof inspection for homeowners who are considering repair or replacement and want a clear picture first.
How we do it
We perform the same visual assessment and condition report as our paid inspection, with no obligation and no push toward work you don’t need.
What Roof Inspection Costs in Montclair
| Item | Typical range in Montclair |
|---|---|
| Standard roof inspection | $200 – $375 |
| Free roof inspection (with repair/replacement scope) | $0 |
| Hail or storm damage assessment | $250 – $450 |
How long does a roof inspection take in Montclair?
Most roof inspections in Montclair take 45 to 90 minutes, depending on roof size and access. We walk the roof surface, document everything with photos, and provide a written report before we leave or by email shortly after. Call (866) 850-2496 to schedule a day and time that works for you.
Will you try to sell me a new roof during the inspection?
No. A roof inspection from Windmill Roof Repair is a standalone service, not a sales appointment. We document condition and give you a clear recommendation. If repair is the right call, we say so. Repair when you can, replace when you must. Call (866) 850-2496 to book an inspection.
Brands We Service in Montclair
Windmill Roof Repair installs and repairs roofs across seven shingle brands: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That breadth means we can match the shingle to Montclair’s heat and wind exposure rather than asking you to accept a single option. See our brands for the full lineup. Seven brands, one crew, and we keep common replacement parts on hand for faster repair turnaround.
See the difference
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After
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AfterPricing for Roofers in Montclair, CA
| Service | Typical range in Montclair |
|---|---|
| Standard roof inspection | $200 – $375 |
| Free roof inspection (with repair/replacement scope) | $0 |
| Hail or storm damage assessment | $250 – $450 |
| Shingle repair (minor, 1 – 10 shingles) | $150 – $350 |
| Shingle repair (moderate, 10 – 25 shingles) | $350 – $700 |
| Flashing repair or replacement | $200 – $600 |
| Roof estimate | $0 – $150 |
| Full roof replacement (asphalt shingle, 1,200 – 1,800 sq ft) | $8,000 – $16,500 |
What pushes a Montclair roof price up? Steep pitches that slow the crew down, two-story access on some of the newer infill homes, and existing sheathing damage that only reveals itself once the old shingles come off. Windmill Roof Repair gives you a written line-item quote before work starts, and we don’t change the number unless you change the scope. The estimate is free, and it’s yours to keep whether or not you hire us.
Neighborhoods We Serve in Montclair
We work across Montclair’s residential grid, from the mid-century tract streets north of Holt Boulevard to the neighborhoods south of the 10 Freeway near the Kingsley Street commercial corridor, and up toward the mountain-adjacent streets near Monte Vista Avenue. Montclair’s compact layout means we can usually get to your door quickly, often within the same week for inspections.
- North Montclair (midtown streets between Mission Boulevard and Holt)
- South Montclair (neighborhoods off Kingsley Street south of the 10 Freeway)
- East Montclair (near the Ontario border along Central Avenue)
- West End (streets near Monte Vista Avenue heading toward Pomona)
- Freeway-adjacent neighborhoods along Ramona and Brooks Street
Service Area – Cities Near Montclair
Windmill Roof Repair serves the eastern San Gabriel Valley and the mountain-foot communities that surround Montclair. If you’re in Claremont, CA with historic and hillside homes, Ontario, CA with its larger postwar subdivisions, Upland, CA on the foothill slopes, or La Verne, CA with a mix of older and newer builds, we can inspect, repair, or replace your roof with the same honest, brand-neutral approach we bring to Montclair.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair 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 Roofers in Montclair
Yes. Montclair’s city permitting is stricter than the surrounding unincorporated county areas, and we handle the permits and inspections on every job that requires one. You get the work done to code, and the city’s inspection record stays clean if you ever sell the home.
For inspections and non-emergency repairs, we typically schedule within a week. If you have active water coming in, tell us when you call (866) 850-2496 and we will prioritize getting someone out to assess and tarp the area so the damage stops spreading while a repair is planned.
Yes. The majority of Montclair homes have asphalt shingle roofs, but the 1980s and 1990s infill brought a growing number of tile roofs, and we inspect, repair, and replace those too. Our seven-brand shingle lineup covers the asphalt side, and we match tile profiles and colors from local supply yards when tile work is needed.
What happens when you call
- 1A real person answersNo phone trees — talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Montclair Customers Say
"Tile roof, three cracked tiles and a slipped one. Matched the tile, no color mismatch, and it took him half a day."
— Diego Mendoza"Roof is solid and the price was competitive. The job ran a day over because of weather, which is nobody's fault, but I would have liked a call about it rather than noticing the crew hadn't shown up."
— Marisol Morales"Full replacement after the hail. They handled the insurance adjuster meeting, documented everything, and I did not have to argue with anybody. Crew was here three days and the yard was cleaner when they left than when they started."
— Laura Mercer