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
Fast, Reliable Roof Repair Across Montclair
Roof repair in Montclair usually means one of three things: a leak that started during the winter rains, wind damage from a Santa Ana event, or a roof that’s simply reached the end of its service life on a 1950s or 1960s tract home. Most Montclair repairs we handle cost between $350 and $1,800, and we can typically schedule an inspection within a few days of your call. If you’ve spotted water stains, missing shingles, or lifted flashing, call us at (877) 755-4274 and we’ll start with an honest inspection.
We work across all of Montclair’s 91763 zip code, from the older tracts near the 10 Freeway to the neighborhoods bordering Claremont and Upland. What makes Montclair different from neighboring cities isn’t just the housing stock, it’s the lot size. Many of these homes sit on 5,000 to 6,500 square foot lots, which means roof access, material staging, and dumpster placement become real problems that affect how a job is priced and executed. We know those constraints because we’ve worked them.
Why Weathervane Roof Repair Is Montclair’s Preferred Roof Repair Company
Weathervane Roof Repair is a roofing-only company, and that matters in Montclair. We’re not a general contractor dividing attention between siding, windows, and plumbing. Every inspection, repair, and replacement we do is roof work, which means we’ve seen the specific ways Montclair roofs fail, especially on the mid-century tract homes that dominate the city. Gil Tanner leads our team, and the standard he sets is simple: diagnose first, quote second, and never recommend a replacement when a repair will do the job.
Montclair homeowners call us because the answer they get is the straight one. A blistered built-up roof near the 10 Freeway might need a patch and new flashing, not a $15,000 tear-off. A lifted ridge vent from Santa Ana winds might need re-fastening and a starter strip, not a full re-roof. We carry the experience to make those calls correctly, and we work with materials from seven major manufacturers, including CertainTeed, Owens Corning, and IKO, so the repair matches your existing roof system rather than whatever product we happen to stock that week.
Response time to Montclair is something we take seriously. Because we’re based nearby in Glendale, we can inspect most Montclair roofs within a few business days, sooner if there’s an active leak. And we treat your neighbors with respect, because on these tight lots a roofing crew’s staging plan directly affects the people next door. That’s the kind of local knowledge you only get from a company that has actually worked the streets here.
Styles & brands we work with






Metal Roof Repair in Montclair
Metal Roof Repair in Montclair addresses a specific subset of homes, mostly custom additions, patio covers, and the occasional mid-century residence where a metal panel system was installed as a replacement at some point in the home’s history. Much of Montclair’s original housing stock was built with wood shake, tar-and-gravel, or early composition shingles, so metal roofing here tends to be a retrofit system rather than an original installation. That means repairs often involve mismatched panel profiles, aged fasteners, and flashing details that were never done correctly in the first place. A typical metal roof repair in Montclair runs $450 to $1,400 depending on panel access, fastener condition, and whether the repair involves seams, penetrations, or edge details.
Seam and Fastener Repair
Metal roofs in Montclair take a beating from UV exposure, which breaks down neoprene washers and allows fasteners to back out. We replace worn fasteners, re-seal standing seams, and inspect for hidden rust at panel overlaps. On tight lots, we often work from the roof itself because there’s no room to set up scaffolding or a lift, which keeps the footprint small and the yard untouched.
Flashing and Penetration Work
Most metal roof leaks in Montclair start at penetrations – pipes, vents, or attic fans – where flashing has separated from the panel. We remove the old flashing, inspect the decking beneath, and install new flashing matched to the panel profile. The goal is a repair that outlasts the next several Santa Ana seasons, not a caulk-and-hope patch.
Commercial Roof Repair in Montclair
Commercial Roof Repair in Montclair serves the small retail strips, office buildings, and industrial units concentrated along Holt Boulevard, Central Avenue, and near the 10 Freeway interchanges. Many of these buildings have flat or low-slope built-up roofing systems that have been patched over decades, and Montclair’s summer heat accelerates blistering and UV degradation on those surfaces. A commercial flat roof repair in Montclair typically runs $800 to $2,500 depending on the membrane type, the size of the repair area, and whether the underlying insulation is wet. We start every commercial job with a roof inspection, because a visible blister often means water has been moving underneath the surface for longer than the owner realizes.
Built-Up Roof Patching
For older tar-and-gravel systems, we cut out the failed area, inspect the insulation and decking, and install a patch that bonds with the existing membrane. On occupied commercial buildings, we schedule work to minimize disruption to tenants and customers. We also coordinate dumpster and material placement with property managers, because those lots are often no roomier than Montclair’s residential streets.
Flashing and Edge Repair on Commercial Buildings
Commercial roofs in Montclair often leak at parapet walls, edge metal, and HVAC curb flashing. We replace failed flashing, re-secure loose edge metal, and seal around equipment curbs using materials compatible with the existing roof system. The repair gets done once, properly, and we provide a written scope that shows exactly what was found and what was fixed.
Trusted Brands We Service in Montclair
We work with materials from seven major shingle manufacturers, but for most Montclair homes we’re matching what’s already on the roof, because a repair should look and perform like the original system. That means we carry and install CertainTeed, Owens Corning, IKO, Atlas, and other leading brands, and we can source the specific material you need quickly. Because we serve Montclair regularly, we often have common shingle profiles and flashing components staged and ready, which shortens repair timelines. We’re not tied to any single brand, so the recommendation you get is matched to your roof, your budget, and what Montclair’s climate demands from the material.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Montclair Homes
- Blistered and cracked built-up roofs on 1950s and 1960s tract homes. Decades of Inland Empire UV exposure breaks down the tar surface, and we regularly find blisters that have popped and allowed water to reach the decking. The fix usually means cutting out the failed area, but the underlying deck must be checked for rot first.
- Soft or rotten decking that won’t hold fasteners. On older Montclair roofs that have leaked for years, the plywood or plank decking beneath the membrane is often soft. Nails and screws pulled out of soft wood, so a repair done without addressing the decking will fail, and we address it every time.
- Santa Ana wind damage to flashing and ridge vents. Wind comes down through the Cajon Pass and hits Montclair harder than people expect. Loose flashing and ridge vents get lifted, and if the perimeter and starter strip weren’t done correctly on a repair, the next wind event undoes it.
- Valley and wall flashing failures from compact-lot original construction. On tight lots, many original flashings were installed with minimal overlap, and after 50-plus years they separate. We see a lot of leaks at sidewalls and valleys where the original installer cut corners on metal.
Pricing for Roof Repair in Montclair, CA
Here’s what you can expect to pay for common repairs in Montclair, based on the work we’ve done across the city. A minor shingle replacement or small leak repair typically runs $350 to $750. Flashing repair around a chimney, skylight, or wall runs $500 to $1,200. Built-up roof patches on older flat sections run $600 to $2,000 depending on decking condition. Larger valley repairs or multiple-penetration work can run $1,200 to $2,500. What moves the number is not just the repair itself, it’s what we find when we open the roof: soft decking, failed underlayment, or old water damage. That’s why we inspect first and quote second. Every estimate is free and comes with a written scope of work, so you can compare it against other Montclair contractors line by line. Call (877) 755-4274 to schedule yours.
We can typically inspect a Montclair roof within a few business days. The estimate you receive is what the work costs. We don’t use change orders to pad a job once it’s underway, and if we find something unexpected, we document it and discuss it with you before any additional work proceeds. For Montclair homeowners, that matters because these aging roofs have a way of hiding problems under the surface. Our Roof Repair team has seen it all across the Inland Empire, and we’ll tell you exactly what your roof needs, and what it doesn’t.
We Also Serve Cities Near Montclair
If you’re searching for Roof Repair in Montclair but live just across a border, we serve Claremont, Ontario, Upland, and La Verne as well. The housing stock and lot conditions in those cities are similar to Montclair’s, and the same repair-first approach applies. Call us at (877) 755-4274 and we’ll let you know if we can help.
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 Roof Repair in Montclair
We stage materials on the roof itself or use alley access when it’s available, and when neither works, we crane bundles over the house. On a recent job near the 10 Freeway in Montclair, the driveway was too narrow for a dumpster, so we craned GAF architectural shingles over the house and used the alley to stage materials. It added a day to the project, but it kept the neighbor’s shared driveway clear. We also coordinate dumpster placement with you ahead of time so there are no surprises on day one. Call (877) 755-4274 to discuss your specific lot.
Yes, you should notify your neighbor before work begins on a shared wall, and we recommend doing it in writing or at least with a follow-up text or email so there’s a record. On Montclair’s compact lots, party walls are common, and roof work often requires our crew to access the area near that shared wall or overlap onto the neighbor’s airspace briefly. We handle the technical side, but a heads-up from you keeps the relationship intact and avoids a stop-work complaint. Every estimate we provide accounts for party-wall coordination where it applies.
Montclair follows Los Angeles County and city noise ordinances that generally restrict construction noise to weekday hours between 7:00 a.m. and 6:00 p.m., with shorter windows or restrictions on weekends. We schedule our Montclair jobs within those hours, and we talk with you before starting early-morning tear-off work that involves heavy hammering or power tools. The compact lot issue matters here too: noise carries quickly between houses that are 10 feet apart, so we keep equipment in the staging area and minimize idling trucks, and we alert neighbors when a crane is scheduled, because that’s the piece that blocks the whole street. Call (877) 755-4274 if you want to talk through scheduling for your street.
Montclair requires permits for roof work beyond minor repairs. A simple shingle patch or small flashing fix typically doesn’t need one, but a full re-roof, a structural repair, or any work that alters the roof’s drainage or sheathing does. On dense lots, the permit process also triggers inspections that need access to your roof, which means we coordinate with the inspector on ladder placement and alley access. We pull permits when needed and schedule inspections so the job passes the first time. The density of Montclair’s tracts doesn’t change the permit itself, but it changes the logistics of the inspection, and we handle that for you. Call (877) 755-4274 and we’ll tell you whether your specific repair requires a permit.
We can often repair a built-up roof if the damage is localized, the decking beneath is solid, and the system overall is still shedding water. We’ll cut out the blistered or cracked area, inspect the decking, install a compatible patch, and re-seal around penetrations, and the repair can buy the roof several more years. But when the built-up roof has blistered across large areas, the decking is soft in multiple spots, or there’s evidence of long-term water movement, we’ll tell you honestly that a tear-off is the real fix. We’ll show you photos and explain what we found. Either way, you get the straight answer, not a pitch. Call (877) 755-4274 to schedule an inspection.
Written by Gil Tanner, Owner at Weathervane Roof Repair, serving Montclair and the surrounding Inland Empire communities. Our team specializes in roof inspection, repair, and replacement across seven major shingle brands, with a repair-first philosophy that starts every job with an honest assessment.