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 costs between $350 and $1,400 depending on what failed, and most non-structural fixes take one day. We work on the 1950s and 60s ranch homes off Holt Boulevard, the stucco tracts near the 10, and the newer infill along Central Avenue. Same crew, same phone number from first call to final walkthrough. If you have a leak or wind-lifted tile, call (866) 217-3967 and we’ll schedule a roof inspection before you commit to any repair spend.
Why Moreno Valley Roof Repair Is Montclair’s Preferred Roof Repair Company
Montclair keeps us busy for one reason: no two repairs here look the same from the ladder. The housing stock splits between original composition roofs from the Eisenhower and Kennedy years, concrete tile on 70s stucco boxes, and newer architectural shingle work on infill. Ruben Ibarra built our crew around that reality. We don’t show up with one fix in mind and a trailer full of whatever the distributor had on sale. We carry materials from GAF, Owens Corning, and Tamko, and we match what’s already on your roof rather than trying to talk you into a full replacement that’s not needed yet.
Our Roof Repair team knows the specific failure patterns here. South-facing slopes bake under Pomona Valley UV until shingles turn brittle. North-facing ridge caps take the Santa Ana wind. We scope both before quoting, because a leak call on one side often reveals damage hiding on the other. That’s the difference between a patch that lasts a season and a repair that holds until you’re actually ready to replace.
We serve all of Montclair, including the neighborhoods south of the 10 near Mission Boulevard and the older grid east of Monte Vista Avenue. When a homeowner calls us from Montclair, they get a straight answer on whether they’re looking at a $400 flashing fix or a $2,000 partial re-deck. No mystery pricing.
Styles & brands we work with
Commercial Roof Repair in Montclair
Commercial Roof Repair in Montclair is a different animal from residential work, and a lot of it comes down to the flat and low-slope roofs on older strip centers and warehouse buildings along Central Avenue and Mission Boulevard. These roofs collect standing water after winter rains, and the constant thermal cycling from Pomona Valley summers opens seams in built-up and modified bitumen systems. We handle leak isolation, membrane patching, and parapet flashing repairs on these buildings, and most small commercial repairs in Montclair run $800 to $2,500 depending on the membrane type and how much wet insulation has to come out.
Low-Slope Membrane Patching
A blister or split in a torch-down or single-ply roof needs to be cut, dried, and patched with matching membrane and proper lap sealant. On older Montclair commercial buildings, we often find the original roof was never fully adhered, so the patch has to account for movement between the old and new material. We match the membrane brand when we can, which matters more on flat roofs than on pitched shingle work.
Parapet Flashing and Drainage
Montclair’s older commercial stock has a lot of parapet walls and internal drains. When a parapet cap rusts or separates, water runs straight into the wall cavity and shows up as a ceiling stain fifteen feet from the actual entry point. We trace the water path, not the stain. Scupper and drain bowl repairs are part of the same job, and we’ll tell you if the real fix is re-pitching a low spot rather than just patching another crack.
Roof Leak Repair in Montclair
Roof Leak Repair in Montclair typically runs $350 to $900 when the entry point is flashing, a pipe boot, or a small section of damaged shingles, but the price climbs fast if the decking underneath has rotted. That’s common on 1950s and 60s homes where decades of thermal cycling have dried out the original plywood. We find the leak, cut out the wet material, repair or re-flash the penetration, and replace only what’s actually compromised. The first step is always tracing the water back from the stain, because water travels along rafters and shows up far from where it entered.
Pipe Boot and Vent Flashing
Rubber pipe boots on 20-year-old Montclair homes crack along the base from UV exposure, especially on south-facing roof planes. We replace the boot, seal the underside, and check the surrounding shingles for brittleness before we call the job done. If the shingles around it shatter when lifted, we’ll tell you the boot repair alone won’t hold, and we’ll quote the additional replacement area honestly.
Valley and Chimney Leaks
Valleys are where water volume is highest, and in Montclair’s older ranch homes the original valley flashing was often just a single layer of 90-pound roll roofing. That material dries, cracks, and separates over fifty years. We replace it with proper W-flashing or woven shingles depending on the roof, and we always inspect the chimney counterflashing on these homes since step flashing there tends to pull away from stucco walls over time.
Trusted Brands We Service in Montclair
We work with seven major roofing manufacturers, and on Montclair homes we most often match GAF, Owens Corning, and Tamko because those are the profiles we see on local roofs. If your home has Atlas or Boral products, we have access to those too. It matters because patching a 1963 roof with a mismatched shingle profile looks wrong and performs worse. Our access to multiple brands means we can match your existing roof on repair jobs rather than forcing a patch that stands out from the street. We also keep common flashing, boot, and underlayment materials on the truck so a Montclair repair doesn’t stall waiting on a distributor run from Ontario or Pomona.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Montclair Homes
- Brittle south-facing shingles. Pomona Valley UV bakes the south and west planes of 1950s and 60s tract homes until shingles crack under foot traffic during a repair. We warn homeowners that a small leak fix may expose a partial re-roof once we start lifting shingles.
- Santa Ana-lifted ridge caps. Wind events coming through the valley lift ridge caps on the north and east exposures, exposing the underlayment beneath. These gaps let wind-driven rain behind the cap shingles and into the attic.
- Dry-rotted fascia and decking. The original 1x decking and fascia on Montclair’s older homes dries out from thermal cycling, then softens when a leak soaks it. Flashing cannot be resealed to rotted wood, so replacement has to happen first.
- Failed pipe boots on low-slope sections. Ranch homes with low-slope composition roofs put extra water load on penetrations during winter rains. The rubber degrades, water follows the pipe into the attic, and the ceiling stain appears in a hallway far from the actual boot.
Pricing for Roof Repair in Montclair, CA
Here’s what Montclair homeowners should expect to pay. Minor flashing or pipe boot repairs run $350 to $650. A valley re-flash or small shingle replacement section runs $600 to $1,200. If we find rotted decking, expect $90 to $150 per sheet for replacement plus labor. Wind-lifted tile repairs on 70s stucco homes typically run $400 to $800 when the underlayment is intact. Larger partial re-roofs that cover an entire south-facing plane run $1,800 to $4,500. What drives the number up: decking replacement, dry rot in fascia, and the brittleness of existing shingles making the work slower. Call (866) 217-3967 for a free, written estimate. We price the job from the roof, not from a satellite photo.
We Also Serve Cities Near Montclair
Our crews work regularly in Claremont, Ontario, Upland, and La Verne. If you’re in one of those cities and need an inspection before committing to a repair or replacement, the same Roof Repair in Montclair team covers that corridor and can usually schedule you the same week.
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
Because the Pomona Valley sun and Santa Ana winds hit different slopes differently. South and west slopes bake under UV for decades, drying shingles until they crack under foot traffic. Meanwhile the north and east slopes take the brunt of wind events that lift ridge caps and tiles. On a 1962 ranch off Holt Boulevard, our crew found exactly this: baked and brittle original composition shingles on the south slope, wind-lifted ridge caps on the north side. We replaced damaged decking, installed new underlayment and drip edge, and matched architectural shingles to the existing profile so both wind and UV resistance were restored. If your roof shows both failure modes, you need a contractor who scopes both before quoting. Call (866) 217-3967 and we’ll walk the whole roof, not just the leak.
Most simple repairs, like flashing replacement, pipe boot swaps, or small shingle patches, do not require a permit in unincorporated San Bernardino County. But if the scope grows into a partial re-roof with decking replacement, you may cross into the county’s re-roof permit threshold. We flag this during the estimate and handle the paperwork if it’s needed. The rule of thumb: patches and repairs under 200 square feet rarely trigger anything, larger work often does. We will tell you before we quote, not after we start cutting.
It affects it more on acreage than on a standard tract lot. Long driveways and open lots are fine for our trucks, but if the home sits far from the road or behind gates and outbuildings, material staging and tear-off disposal takes longer. On larger unincorporated properties we factor in extra time for ladder setup, carrying decking material across open ground, and sometimes renting a dump trailer or using a tile lift for concrete tile. That can add $200 to $600 to a repair depending on the layout. We always note it in the written estimate so there’s no change order after the fact.
A square is 100 square feet of roof area, and it’s the unit every roofer uses for pricing material. When comparing repair bids, ask how many squares of new material are actually included. A $1,200 bid covering six squares is a very different job from a $1,200 bid covering three. Ask whether decking replacement per sheet is included or billed separately, and whether the price assumes the existing shingles lift cleanly or include extra time for brittle material. On Montclair’s older roofs, brittle shingles slow down the work and some contractors quietly add that cost at the end. We price it in up front. Call (866) 217-3967 for a line-item quote you can compare apples to apples.
Yes, if the tiles themselves are intact and the underlayment below them hasn’t been exposed long enough to rot or tear. We remove the lifted tiles, inspect the paper or synthetic underlayment beneath, re-secure the tiles with proper fasteners, and replace any cracked pieces from our existing material stock. If the underlayment has been wind-exposed for multiple seasons, we’ll tell you honestly that spot patching won’t hold and quote a section replacement instead. The good news: most 70s concrete tile in Montclair has life left in it, and repairs run $400 to $800. Call (866) 217-3967 for a free inspection.
Contact Moreno Valley Roof Repair
Call (866) 217-3967 for a free, written roof repair estimate in Montclair. We inspect first, then quote, and the number on the estimate is the number you pay. No pressure to replace what doesn’t need replacing.
Written by Ruben Ibarra, Owner at Moreno Valley Roof Repair, serving Montclair and the surrounding Pomona Valley.