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 Replacement Across Glendora
Roof replacement in Glendora runs $11,000 – $28,000 for a typical 1,500 – 2,600 sq ft home, with foothill properties in 91741 on the upper end because of slope, access, and fire-rated material requirements. We’re Bedrock Roof Repair, led by Alan Cofield, and we’ve torn off and rebuilt roofs from the valley-floor tracts of 91740 up into the hillside canyons north of Sierra Madre Boulevard. If you’re looking at a leaking roof, curling shingles, or tile that’s held up while everything under it rotted, call us at (833) 589-7850. We’ll inspect first, and we’ll tell you what your roof actually needs – repair, replacement, or nothing yet.
Why Bedrock Roof Repair Is Glendora’s Preferred Roof Replacement Company
We work differently than the companies that quote a full tear-off before they’ve climbed the ladder. Repair is always evaluated before replacement is proposed – our name is a public commitment to that sequence. When replacement is the right call, you get a written line-item quote with the material brand named, the decking condition noted, and the access plan spelled out. No change orders because the truck couldn’t make the driveway. No surprises when the felt turns out to be dust under good tile.
Alan Cofield has built the company around one contract scope that covers inspection, repair, and Roof Replacement. That means the person who tells you the roof is shot is the same person who prices and runs the replacement. You don’t get handed off. Glendora homeowners in 91740 and 91741 call us because we’ll say “this underlayment can be replaced without scrapping the tile” when that’s the truth. We carry materials from CertainTeed, Owens Corning, IKO, Atlas, and the other leading manufacturers we source – so the recommendation follows your roof, not a supplier relationship.
Our work is backed by a workmanship warranty, and we pull permits and pass inspections on every replacement. Estimates are free. Call (833) 589-7850.
Styles & brands we work with
Roof Installation in Glendora
Roof Installation in Glendora means more than nailing new shingles over old decking. It’s a full assembly: tear-off or overlay evaluation, decking inspection and replacement where rot or deflection shows, underlayment, flashing at every penetration and valley, drip edge, and the finished roof surface. On the foothill side, it also means fire-rated assembly choices and ember-resistant vents. A complete asphalt shingle installation on a valley-floor Glendora home typically runs $9,000 – $17,000 depending on square footage, pitch, and decking condition. Tile installations run higher, $18,000 – $30,000, because of material weight and labor.
Full tear-off vs. layover
We won’t lay new shingles over failed decking or rotted felt. On Glendora’s mid-century tract homes, the original skip sheathing or aging plywood often needs replacement at the valleys and eaves. We scope that before we quote, so the number you get is the number you pay.
Tile-lift and re-lay
This is a Glendora-specific job. When tile is still sound but the underlayment underneath has failed, we lift the tile, replace felt and flashing, and reset the original tile. It costs less than a full tear-off because you’re not buying new tile, and it’s common in the foothill neighborhoods where the sun bakes the felt while the tile above protects it visually.
Roof Replacement Contractor in Glendora
A Roof Replacement Contractor in Glendora has to understand what the foothills do to a roof differently than the flatlands. We walk every roof before we quote. We check the underlayment condition under tile, the fastening pattern on the ridge and starter strip, and whether the decking at the valleys has been holding water. Then we price the job for what it actually needs. On a 91741 hillside lot, that price factors in hand-carrying materials up a steep driveway. On a 91740 tract home, it factors in a straightforward tear-off with standard staging. Both get the same line-item quote discipline.
Hillside access and staging
Some Glendora driveways are too steep or too tight for a delivery truck. We stage squares in the street and carry bundles up by hand or with a tracked loader. That labor is real and it belongs on the quote before work starts, not as a change order on day three.
Fire-rated assemblies in the brush zone
North Glendora sits against the San Gabriel Mountains. The wildfire ember threat is real, and Class A fire-rated roofing materials are a code expectation in much of 91741, not an upsell. We install ember-resistant ridge vents, fire-rated underlayment, and ignition-resistant materials where the brush zone applies.
For flat-roof sections, detached garages, or outbuildings on Glendora properties, we also handle flat roofing systems and roof decking replacement. On a terraced lot with a detached garage or an ADU, remember: the main house roof isn’t the only assembly that ages out.
Trusted Brands We Service in Glendora
We install products from seven leading roofing manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That breadth matters. A roofer locked into one brand will recommend that brand, whether it’s the right fit for your roof or not. We spec CertainTeed and Owens Corning architectural shingles where wind resistance and thermal cycling matter, IKO and Atlas where budget matters, and concrete or clay tile where the original roof calls for it. Because we’re brand-agnostic, the recommendation is calibrated to your Glendora roof and your budget – not to a supplier’s quota. We order directly for each Glendora job and don’t rely on leftover stock from another city’s project.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Glendora Homes
- Failed underlayment under still-good tile. In 91741 especially, we regularly find concrete or clay tile that looks fine from the ground but is sitting on rotted felt. The tile survives the sun; the underlayment doesn’t. The fix is a lift-and-re-lay, not a full tear-off – and a lot of homeowners have been quoted the tear-off anyway.
- Santa Ana wind damage at the ridge and starter strip. Flatland fastening specs don’t hold on foothill slopes. We see ridge caps worked loose and starter strips flapping after fall winds. Wind-rated fastening and proper ridge fastening is a Glendora requirement, not a preference.
- Cracked tile and slipped courses on steeper pitches. Hillside roofs on terraced 91741 lots carry steeper pitches. Tile under thermal stress cracks, and older tile roofs weren’t all installed with modern fastening. A full replacement needs weight-appropriate decking evaluation and breakage handling on the tear-off.
- Rot at valleys and penetrations on mid-century tract homes. Glendora’s 1950s-70s valley-floor homes in 91740 often have original decking that’s soft at the valleys. Pipes, vents, and chimneys were flashed with materials that have since corroded. We replace the decking before it becomes a structural problem.
Pricing for Roof Replacement in Glendora, CA
A typical asphalt shingle roof replacement in Glendora runs $11,000 – $18,000. Architectural shingles add $1,500 – $3,000. Tile roofs on foothill properties run $20,000 – $32,000, with lift-and-re-lay underlayment jobs coming in lower, typically $8,000 – $14,000. The biggest price drivers in Glendora: decking condition, square footage, pitch, tile vs. shingle, fire-rated material requirements in 91741, and access. Steep driveways and terraced staging add labor. If you’re on an acreage lot with septic and well, we also factor in haul routes and staging distances. Call (833) 589-7850 for a written line-item quote. Estimates are free, and the number we send is the number we hold.
We Also Serve Cities Near Glendora
Bedrock Roof Repair serves homeowners throughout the San Gabriel Valley. We handle Roof Replacement in Glendora and also work regularly in Azusa, Citrus, Covina, and Irwindale. If you’re on a hillside lot in Azusa or a ranch-style house in Covina, the same inspection-first, repair-before-replacement process applies. Call us at (833) 589-7850 and we’ll come take a look.
Serving Glendora, CA — Our Local Coverage Area
We’re based in the Glendora 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 Replacement in Glendora
You need an inspection first. On Glendora foothill properties, tile often outlives its underlayment, so a lift-and-re-lay is common: we remove the tile, replace the failed felt and flashing, and reset the same tile. A full tear-off only makes sense when the tile itself is cracked, slipping, or otherwise failing. We’ll tell you which one applies after we walk the roof. Call (833) 589-7850 for an inspection.
No. Roof replacement permits on Glendora properties, including acreage lots within city limits, go through the City of Glendora, not the county. If your property sits partly in an unincorporated county pocket outside the city boundary, then county rules apply. We confirm jurisdiction before we file. We pull the permit, schedule inspections, and close the permit out – you don’t chase paperwork.
They don’t typically change the roof work itself, but they change staging and access planning. We can’t stage tear-off debris over a leach field or drive loaded trucks across a septic drain field. On acreage lots with well heads, we mark the wellhead and keep material stacks and equipment away from it. The result is usually a longer staging distance from the street to the house, which adds labor hours. That’s part of the quote up front. Call (833) 589-7850 for a site-specific estimate.
We charge the labor it actually takes. On a hillside lot off Glendora’s foothill streets, that means the delivery truck drops squares at the curb, and our crew hand-carries bundles or runs a tracked loader up the slope. The labor is billed as a staging and access line item, scoped before we start. No change order later. Call (833) 589-7850 and we’ll walk the site and price it honestly.
Class A fire-rated materials are the standard for roof coverings in brush-zone areas of 91741. That means the shingle, tile, or underlayment assembly is rated against flame spread and ember exposure. It changes the bid because fire-rated underlayment, ember-resistant ridge vents, and ignition-resistant drip edge cost more than standard components. On a hillside Glendora roof, this isn’t optional equipment – it’s what the fire code expects. We spec the assembly to the brush-zone requirement and price it in the original quote. Call (833) 589-7850 for a free estimate with the correct material spec for your lot.
Written by Alan Cofield, Owner at Bedrock Roof Repair, serving Glendora and the San Gabriel Valley.