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 Roof Replacement Across Glendora
Roof replacement in Glendora runs $9,500 to $28,000 for most homes, depending on pitch, material, and whether we’re dealing with a simple tear-off or a full assembly rebuild. North of Foothill Blvd, where the foothill tracts climb toward the Angeles National Forest, the real driver isn’t shingle choice. It’s the underlayment, venting, and fire rating beneath what you see from the street. We’re in Glendora every week. If your roof is at the end of its life, call (855) 382-1073 for a free estimate and we’ll tell you straight whether a repair is enough or a replacement is actually warranted.

Why Barnwood Roofing Is Glendora’s Preferred Roof Replacement Company
We’ve torn off enough roofs in Glendora to know exactly what hides under them. Homes in the 91741 foothill tracts, especially those north of Foothill Blvd toward the forest boundary, regularly show sun-brittled tile underlayment and dry-rotted fascia that look fine from the sidewalk. In the flatter 91740 neighborhoods around the Village, we see aging composition shingles and original wood shake from the postwar years. That local pattern recognition means we don’t walk a Glendora roof blind. We know what to look for before we quote it.
Ruben Calloway started Barnwood Roofing on a simple rule: inspection first, recommendation second. That’s why we offer roof inspections as a standalone service, with no obligation to book anything. If your roof has five years left, we’ll say so. If it needs replacement, we’ll show you what we found and let you decide. We work with seven manufacturers (GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral), so our recommendations aren’t limited by what’s in a warehouse. That matters in Glendora, where the right roof assembly for a foothill home facing wind-driven ember exposure is a completely different conversation than what works on a mid-century ranch near Citrus Avenue.
We’re insured and bonded, and every Glendora job gets a written line-item quote before any work starts. The price we sign is the price you pay. No change orders, no surprise add-ons when the sheathing is worse than expected. That’s rare in this trade, and it’s how we’ve built our name.
Styles & brands we work with






New Roof Installation in Glendora
New Roof Installation in Glendora means exactly what it sounds like: a complete system built from the deck up, whether it’s for a new home going up in the foothill tracts of 91741 or a full tear-off down to the rafters on an older 91740 property. This is the right call when the roof framing itself is sound but the existing roof has failed structurally, when a homeowner is adding onto a home, or when the existing assembly is so far gone that patching no longer makes sense.
Building It Right the First Time
A proper new roof in Glendora starts with decking we can trust. On hillside homes where the sun hits the south and west exposures hardest, we’ll replace any softened sheathing before anything else goes down. Then it’s underlayment, flashing, and a system that sheds water and resists ember intrusion, not just a layer of shingles over felt.
What It Costs
A new roof installation in Glendora typically runs $12,000 to $28,000 for a standard home, depending on material tier, pitch, tear-off scope, and whether we’re re-sheathing. Architectural shingles from Owens Corning or CertainTeed land in the middle of that range. Tile and standing seam push higher. Call us for a written number on your home; estimates are free and lock in the price before any order goes out.
Reroofing in Glendora
Reroofing in Glendora is a re-cover: we install a new roof system over an existing one, rather than tearing everything off. It’s faster and cheaper than a full tear-off, though it isn’t right for every house. In the older tracts around downtown Glendora and the Village, where homes often have a single layer of original shake or composition, a re-cover can make sense if the decking is still solid and there’s no moisture trapped below.
When a Re-Cover Works
We’ll only recommend reroofing when the existing layer is intact enough to build over and the roof structure can handle the added weight. Foam re-roofs and some low-slope systems work well this way. On steeper foothill roofs with existing tile, tearing off is usually the better call, because those assemblies fail from the underlayment up, not the tile surface.
What a Re-Cover Costs in Glendora
Reroofing in Glendora generally lands between $9,500 and $16,000, depending on the existing system and chosen material. That’s the appeal: it gets you a serviceable new roof without the tear-off labor and disposal line items. But the honest truth is that around half the re-cover requests we inspect in Glendora actually need a tear-off, because the decking or underlayment has already failed. We’ll show you photos and let you decide.

Trusted Brands We Service in Glendora
We install and repair roofs from seven manufacturers, including GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters in Glendora for one reason: we don’t have a single brand to push. Need an Owens Corning Duration shingle matched to a 2000s tract home? We can spec it. Want an Atlas Class A assembly for a foothill property with insurability concerns? We’ll quote it side by side against the others. Seven brands, one honest recommendation. The right material for your roof, not just what we stock.
Common Roof Replacement Problems We See in Glendora Homes
- Sun-brittled tile underlayment. Original tile roofs from the 1980s and 1990s in the northern foothill tracts often look intact from the driveway, but the underlayment beneath has been baking for decades. By the time we tear off the tile, the felt is cracked and powdery, and the roof has been quietly leaking into the deck.
- Dry-rotted fascia and rake edges. Years of intense foothill sun and heat dry out the trim boards at the eaves and gable ends. We regularly find fascia that crumbles when it’s pulled, especially on homes facing southern and western exposure in 91741.
- Wind-driven ember intrusion. Homes near the Angeles National Forest boundary face a different failure mode than valley-floor houses. Unprotected gable vents and open ridge lines let embers into the attic during Santa Ana wind events. That’s an assembly failure, not a shingle failure, and it’s why more Glendora homeowners are asking about ember-resistant venting.
- Original wood shake and aging composition shingles. Around the Village and historic downtown, mid-century and postwar homes still carry their original wood shake or a first-generation composition roof that’s now 25-plus years old. These roofs fail from age and UV heat, and often the decking underneath has never been inspected.
See the difference
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AfterPricing for Roof Replacement in Glendora, CA
Expect to pay $9,500 to $16,000 for a straightforward reroof in Glendora, and $12,000 to $28,000 for a full tear-off and new roof installation. Steep pitches, tile, standing seam, and homes with multiple roof-to-wall intersections push toward the top of that range. The honest truth: in the foothill tracts, the largest variable is often underlayment and lead times on Class A materials, not labor. We’ll give you a written, line-item price before we order anything, and that number doesn’t move unless you change the scope. Call (855) 382-1073 for a free estimate.
We Also Serve Cities Near Glendora
In addition to Roof Replacement in Glendora, our crews work in Azusa, Citrus, Covina, and Irwindale. If you’re in a neighboring city and want the same straight-talking approach to your roof, give us a call.
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
If you live north of Foothill Blvd toward the Angeles National Forest, the answer is increasingly yes, and not just for safety. Wildfire ember exposure is a real underwriting concern for homes along the wildland interface. A Class A assembly with ember-resistant ridge vents and proper underlayment can make the difference between insurability and a non-renewal notice. We’ll inspect your current assembly and tell you what’s actually needed. Call (855) 382-1073 for a free assessment.
Because the specialty materials a Glendora foothill roof needs, Class A tile underlayment, ember-resistant venting, matching trim, aren’t sitting on a shelf in Fontana. They’re ordered per job, and the manufacturers have their own timelines. Our labor schedule is rarely the bottleneck. What takes time is getting the right materials delivered. That’s why we lock scope and price in writing before anything is ordered.
A reroof is a re-cover over the existing system. A new roof installation is a full tear-off down to the deck, and often new decking, before a fresh system goes on. In Glendora, about half the re-cover requests we see actually need a full tear-off because the underlayment or decking has already given out. We’ll tell you which one your home actually needs.
Put the two line items side by side, not the bottom line. Look at underlayment spec, venting type, fastening pattern, tear-off and disposal, and whether the price includes sheathing replacement. A $14,000 bid with ember-resistant vents and Class A underlayment is a very different roof than a $12,000 bid with standard felt. We write every line so you can compare honestly. Call (855) 382-1073 and we’ll walk you through what to look for.
Yes. High-wind events funnelling down the mountain canyons into Glendora put real uplift force on roofing. That affects the shingle’s wind rating, the nailing pattern, and the amount of sealant strip engagement. We spec wind-rated products and the proper six-nail pattern on foothill homes, and we install to the manufacturer’s high-wind guidelines. It’s a small cost delta with a real difference in how that roof performs over twenty years.
Get Your Free Glendora Roof Replacement Estimate
If your Glendora roof is showing its age, or if you want to know whether a repair is enough, call (855) 382-1073 to schedule a free estimate. We’ll inspect what’s up there, show you what we find, and give you a written price you can actually plan around. Inspection first, recommendation second. That’s how Barnwood Roofing works.
Written by Ruben Calloway, Owner at Barnwood Roofing, serving Glendora since 1996.