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 Roofing Company Across Montclair
Roofing work in Montclair carries a specific set of challenges, and most of them trace back to one thing: sun. The Inland Empire’s high-UV corridor bakes composition shingles until the granules slough off and the asphalt underneath turns brittle. Add Santa Ana wind gusts off the San Gabriels, and you get a roofing market where the average re-roof is more involved than a nail-over. We are Roofing Company specialists who plan for full tear-offs, decking inspection, and underlayment replacement because that is what Montclair’s 1950s – 1970s tract homes actually require. Call (341) 208-3988 and we will put a written price in your hand before any work starts.
Why Brennan Roofing Co Riverside Is Montclair’s Preferred Roofing Company Company
Travis Oakley runs our Montclair crews under The Garrison Standard, which means the same discipline on a small repair off Ramona Avenue as on a full replacement near Montclair Place. Every technician who walks a Montclair roof is background-checked and in uniform. You will know exactly who is on your property, and the price you approved on paper does not move when the crew arrives.
Montclair homeowners call us because the typical house here was built between 1950 and 1980, and by now the original roofing has either failed or is close to it. We inspect with that housing stock in mind. Our crew drives into Montclair from the Inland Empire office, and we schedule around your day, not the other way around. Phones are answered by a live person around the clock, so when a Santa Ana gust lifts shingles off your eave at 9:00 at night, someone picks up.
Every job ends with the 365-Day Done Right Promise in writing. If a repair fails within that year, we come back at no charge. That promise is why homeowners in Montclair who have been burned by no-show roofers stay with us for the next roof, and the one after that.
Styles & brands we work with






Metal Roof Installation in Montclair
Metal Roof Installation in Montclair has gone from specialty item to serious consideration for homeowners who do not want to re-roof again in 12 years. The intense UV load here shortens the life of composition shingles, but a standing seam or stone-coated steel panel sheds that heat and handles Santa Ana wind without curling, cracking, or granule loss. The tradeoff is up-front cost: a standing seam metal roof on a typical Montclair ranch runs roughly $14 to $22 per square foot installed, depending on panel profile and underlayment needs. Stone-coated steel, which carries a look closer to tile, lands between $12 and $18 per square foot.
Standing Seam for Longest Life
Standing seam panels are mechanically seamed, so fasteners are hidden and the metal is free to expand and contract without working against itself. In a climate where the roof surface can swing 70 degrees between a July afternoon and a January night, that matters. We install over new synthetic underlayment after a full tear-off, which is the detail that makes or breaks a metal roof in Montclair.
Stone-Coated Steel as a Tile Alternative
Many Spanish-influenced tract homes in Montclair originally carried lightweight concrete tile. When that tile starts cracking under foot traffic and thermal cycling, stone-coated steel gives the same curb profile at about a third of the weight. It also handles the occasional wind-driven rain better than old tile with failing underlayment.
Residential Roofing in Montclair
Residential Roofing in Montclair is mostly about composition shingle replacement on ranch and Spanish-influenced tract stock, but it covers everything from a simple leak repair near the 210 to new construction-grade shingle work in the neighborhoods west of Central Avenue. The typical home here has a low-to-moderate slope, a hip or gable profile, and architectural shingles that are 25 to 35 years old. A standard architectural shingle re-roof in Montclair runs $7 to $11 per square foot, with full tear-off and underlayment labor included. Homeowners should expect that range to climb when decking needs replacement, which it often does once we get the old roof off.
Tear-Off and Decking Evaluation
We never nail new shingles over failed underlayment. That is the shortcut that keeps a leak alive under a brand-new surface. Once we remove the old roof, we walk the decking and mark any sheets that show rot, delamination, or nail fatigue. You approve the replaced decking cost in writing before we cut a single sheet in.
Valley and Flashing Detail Work
Montclair’s wind-driven rain finds every weak valley, and most original valleys on these homes were woven with barely enough overlap. We rebuild valleys with ice and water shield, then lay closed-cut or open metal valleys per the manufacturer’s spec. Flashing gets bent, primed, and sealed rather than caulked over, which is the difference between a repair that lasts three years and one that lasts twenty.
Trusted Brands We Service in Montclair
We stock and install material from CertainTeed, Owens Corning, and Atlas, and we keep those lines in regular supply for Montclair work because they hold up to San Bernardino County UV better than economy shingles. When a homeowner asks us to match an existing CertainTeed color on an addition or a partial replacement, we can usually source it locally within a day or two. Same for Atlas architectural shingles, which we spec frequently on wind-exposed eaves because of the higher nail-pull resistance. If you have a specific manufacturer’s warranty you want honored, tell us before the estimate and we will write the spec into the contract, including the accessory products required to keep the warranty valid.
See the difference
Before
After
Before
After
Before
AfterCommon Roofing Company Problems We See in Montclair Homes
- The Montclair crunch on original shingles. Walk a 1970s roof on the north side of town after 50 Inland Empire summers, and the shingles fracture underfoot with a sound like snapping kindling. That is the granule layer long gone and the asphalt matrix cooked brittle. We bring a Ridge Pro and plywood bridging to every inspection so we do not turn a simple quote into accidental damage.
- Underlayment turned to powder. The felt paper installed under original shingles has a service life far shorter than the shingle above it. On Montclair tract homes, we routinely find it has disintegrated into dust in the hot, dry attic conditions. A nail-over hides this; a full tear-off and synthetic replacement fixes it.
- Rot at Santa Ana-exposed eaves. The west and north eaves of Montclair homes catch the full brunt of Santa Ana wind-driven rain. Skipped drip edge replacement lets that water wick back into the fascia and decking. We replace drip edge on every re-roof, and we check the first two feet of decking at the eave for moisture before we lay underlayment.
- Valley leaks from original woven installation. The original valleys on 1960s Montclair tract homes were often woven shingles with minimal metal underneath. After decades of thermal movement, the overlap opens and water channels through. We rebuild these valleys with ice and water shield and metal flashing, which solves the leak instead of masking it.
Pricing for Roofing Company in Montclair, CA
Roofing quote numbers in Montclair move based on what we find under the shingles, not over the phone. A straightforward architectural shingle re-roof runs $7 to $11 per square foot, including tear-off, underlayment, and hauling. Metal roofing starts around $12 per square foot and runs to $22 for standing seam with full tear-off underneath. Flat roof replacement or repair on additions and carports typically runs $9 to $14 per square foot. Decking replacement, when we find rot once the old roof is off, adds $2 to $3 per square foot and is approved in writing before we proceed. Tile repair and replacement pricing follows the same pattern: the visible tile is only half the job, and the underlayment underneath is what actually keeps water out. Call (341) 208-3988 and we will walk the roof, write down what we find, and hand you a fixed number. No moving the price at the door.
We Also Serve Cities Near Montclair
Our crews cover Montclair and the surrounding San Bernardino County communities, including Upland, Rancho Cucamonga, Mira Loma, and Norco. If you are a few miles north off the 210 or west toward the 15, we can still get a crew to your road on the same schedule we keep for Montclair jobs.
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 Roofing Company in Montclair
The Montclair crunch is what happens when 50 years of UV exposure turns composition shingles brittle and the underlayment beneath them into powder, which is common on 1960s and 1970s tract homes across the north side of town. In most Montclair jurisdictions, a nail-over is flatly not allowed once the decking shows that kind of age and condition. Even where it is legally possible, installing new shingles over a failed underlayment does not fix the leak; it hides it under a new surface until the moisture reaches the decking and rots it through. We plan full tear-offs on nearly every Montclair re-roof because that is what the housing stock actually demands. Call (341) 208-3988 for a written quote that covers the whole job, not a partial fix.
Yes. Montclair roofs do not see freezing or heavy snow, but valleys carry every drop of rain from two roof planes into one concentrated channel, and Santa Ana wind-driven rain pushes water uphill in ways a dry-climate homeowner would not expect. Ice and water shield in the valleys is a self-healing membrane that seals around fasteners and stays watertight even under standing water. We install it in valleys, around penetrations, and at eave edges on every re-roof in Montclair, and we write it into the quote line by line so you can compare bids honestly.
Montclair’s UV index is among the highest in the Inland Empire, and it shortens the life of shingle granules at a rate that varies by manufacturer and line. We spec shingles with high-quality granule adhesion and a heavier fiberglass mat, typically CertainTeed or Atlas architectural lines, because they hold their surface longer under sustained UV than economy three-tab shingles. We also recommend lighter shingle colors to reduce attic heat gain in July and August. When we quote a roof, we name the exact shingle line and the manufacturer’s wind rating so the spec is on paper, not just verbal.
Yes, and we will do it before a number goes on paper, not after the tear-off starts. A visual attic inspection tells us where decking is stained or sagging, and a roof-walk with a Ridge Pro and plywood bridging tells us where the surface is failing. We write decking replacement into the quote as an allowance with a per-sheet rate, so if we find rot once the old roof is off, the price is already approved and the work does not stall. Call (341) 208-3988 to schedule a decking evaluation and get a fixed written estimate.
Look for a quote that names the tear-off, the underlayment product, the ice and water shield locations, the shingle manufacturer and line, the drip edge replacement, the decking allowance, and the hauling. If a Montclair bid is missing any of those line items, assume it is either hiding cost or planning to skip work you actually need. Our quotes list all of those in writing, and the number we hand you is the number you pay. No change orders at the door, no surprise add-ons after the tear-off. Call (341) 208-3988 and we will write it all down before any work starts.
Written by Travis Oakley, Owner at Brennan Roofing Co Riverside, serving Montclair under The Garrison Standard.