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 Glen Avon
Roof replacement in Glen Avon runs $8,500 – $22,000 for a typical single-family home, with architectural asphalt shingles at the lower end and tile or flat-roof systems at the higher end. The inland Jurupa Valley heat is what actually kills roofs here. Hundred-degree summers bake 3-tab shingles until they’re brittle, then a Santa Ana wind at 40 – 60 mph peels back the tabs and ridge caps the heat already compromised. If your roof is 20+ years old and you’re seeing granules in the gutters or lifted edges after a wind event, it’s time for an honest assessment. Call (855) 382-1073 and we’ll tell you straight whether you need a Roof Replacement or if a targeted repair is enough.

Why Barnwood Roofing Is Glen Avon’s Preferred Roof Replacement Company
We’re led by Ruben Calloway, and our crews work Glen Avon jobs from the 60 Freeway corridor up through the Jurupa Hills. Ruben’s approach is simple: inspection first, recommendation second. We source from seven manufacturers – GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral – so a Glen Avon homeowner gets the shingle or tile that fits their roof’s exposure and their budget, not whatever brand we happen to have in the warehouse.
We perform repairs as a core service, which matters here. A replacement-only company has a financial reason to tell you the whole roof is shot. We don’t. When a Glen Avon roof can be saved by replacing ridge caps, re-securing lifted tabs, or patching failed flashing, we’ll say so. When it can’t, we’ll show you why on the roofline itself. That’s how we’ve built our standing in Glen Avon – by telling homeowners what their roof actually needs, not what generates the biggest invoice.
Our inspectors know what the inland heat does to underlayment, what Santa Ana gusts do to windward slopes, and which 1970s tract subdivisions still have original fasteners backing out. That’s local knowledge you get from a crew that’s been up on these roofs, not from a sales deck.
Styles & brands we work with






Flat Roof Replacement in Glen Avon
Flat Roof Replacement in Glen Avon typically costs $10,000 – $18,000 depending on the square footage, the condition of the decking, and whether we’re installing modified bitumen, TPO, or a torch-down system. Flat and low-slope sections show up all over this area – on the back additions of 1950s ranches, on patio covers, and on some of the industrial and commercial buildings along Mission Boulevard in the 92509 ZIP. The heat here is brutal on flat roofs. Standing water after winter storms plus months of triple-digit sun breaks down seams and flashing faster than on pitched shingle roofs.
We don’t just cover over a failed flat roof. We open it up, check the decking for dry rot from years of trapped moisture, and replace what’s failed before we lay the new membrane. That’s the difference between a roof that lasts and a patch job that leaks again in two winters.
Decking and Substrate Repairs
On most Glen Avon flat-roof replacements, at least some of the plywood or OSB decking has softened around penetrations – plumbing vents, HVAC curbs, scupper boxes. We cut out the bad sections and replace them before the new membrane goes down. Skipping this step means the new roof is only as sound as the rotted wood under it.
TPO vs. Modified Bitumen in Inland Heat
For Glen Avon’s climate, we lean toward white TPO on low-slope sections because it reflects UV instead of absorbing it. Modified bitumen holds up well too, but darker surfaces run hotter in July. We’ll show you both options, with real numbers, so you decide based on performance and budget rather than what’s left in inventory.
Roof Installation in Glen Avon
Roof Installation in Glen Avon for a complete tear-off and new shingle system runs $9,000 – $16,000 on most tract homes built between the 1950s and 1990s. That includes removing the old material down to the decking, replacing damaged sheathing, laying new synthetic underlayment, installing the shingles to manufacturer wind specs, and finishing with drip edge, valley metal, and ridge vent. New-construction roof installation for an addition or detached structure starts lower, around $6,000 – $9,000, but the scope varies a lot more.
The key here isn’t just the shingles – it’s what’s under them. Original underlayment on older Glen Avon homes is often dried out and torn. If you just slap new shingles over failed underlayment, you’ve spent twelve grand on a roof that leaks at the first good winter storm. We tear it off. Every time.

New Construction and Additions
Adding a room or building a garage in Glen Avon? The roof system needs to match the existing home in profile and material so water transitions cleanly and the HOA or county inspector signs off. We pull permits and handle the inspection process, so the addition doesn’t become a headache with the county.
Underlayment and Flashings for Thermal Cycling
Glen Avon’s temperature swings – cold desert nights, 100-degree days – stress every component that connects roof materials. We spec storm-rated underlayment, stainless flashing at penetrations, and corrosion-resistant drip edge as standard on every installation. Cheap galvanized flashing backs out in this heat. We don’t install it.
Trusted Brands We Service in Glen Avon
We install and service GAF, CertainTeed, Owens Corning, and IKO products in Glen Avon, along with Atlas, Tamko, and Boral. Seven brands, one honest recommendation. If your home sits on a west-facing slope near the Santa Ana River corridor that catches the full force of wind events, we’ll steer you toward a shingle with a higher wind rating from GAF or Owens Corning. If you want a specific look, we’ll match it across manufacturers. The brand we recommend is the one that fits your roof’s exposure and your budget – not the one we’re contractually obligated to push.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Glen Avon Homes
- Brittle 3-tab shingles losing ridge caps. The west- and north-facing slopes on 1970s and 80s tract homes take decades of UV, then the first real Santa Ana event peels caps and tabs. We see this on nearly every original roof we tear off near the 60 Freeway flatlands.
- Dried-out underlayment under aging shingles. Twenty-year-old felt underlayment here dries and tears. When a rare winter storm hits, leaks show up at flashings and penetrations, not across the open field – which is why homeowners think the roof is fine until it isn’t.
- Corroded fasteners and drip edge backing out. Inland heat cycling works galvanized nails and edge metal loose over time. Wind gets under the edge course and starts lifting shingles one small section at a time.
- Flat and low-slope sections failing at seams. Back additions and patio covers with old built-up or torch-down roofs split at seams after years of UV exposure. Those sections often need full membrane replacement even when the pitched roof above them is still functional.
Pricing for Roof Replacement in Glen Avon, CA
A complete asphalt shingle roof replacement on a standard 1,200 – 1,800 square foot Glen Avon home runs $8,500 – $14,000. Architectural shingles run slightly higher than 3-tab because the material is thicker and the labor takes a little longer, but they hold up far better against the UV and wind here. Tile roofs sit at the top end, $18,000 – $25,000, because of the weight, the underlayment requirements, and the labor involved. Flat roof sections run $10,000 – $18,000 depending on what’s under the old membrane. Your price moves with roof complexity – skylights, steep pitches, tile-to-shingle transitions, and decking condition all matter. Call (855) 382-1073 for a written line-item quote. Free estimates, fixed pricing, no change orders after the fact.
| Roof Type | Typical Range in Glen Avon |
|---|---|
| Asphalt Shingle (3-tab) | $8,500 – $11,500 |
| Architectural Shingle | $10,000 – $14,000 |
| Flat Roof (TPO/Mod-Bit) | $10,000 – $18,000 |
| Concrete/Clay Tile | $18,000 – $25,000 |
We Also Serve Cities Near Glen Avon
Our crews work throughout the Jurupa Valley and western Riverside County. If you’re in Pedley, Sunnyslope, Rubidoux, or Riverside, the same pricing and the same straight-talking approach apply. Glen Avon homeowners in the 92509 ZIP get the same line-item written estimate as everyone else – no zip-code markup, no surprise fees.
Serving Glen Avon, CA — Our Local Coverage Area
We’re based in the Glen Avon 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 Glen Avon
Ridge caps fail first because they sit at the highest point of the roof and take the brunt of both UV exposure and wind uplift. In Glen Avon, the ridge line bakes all summer at temperatures well above the ambient air temp, then a Santa Ana gust hits the caps from the windward side and lifts them. Original caps on 1970s – 80s homes were often sealed with drying asphalt and undersized nails, so once the seal breaks, the cap comes off. If you’ve lost ridge caps, call (855) 382-1073 before the next wind event – missing caps let water straight into the attic.
Yes. We recommend architectural shingles with a high UV resistance and wind rating for Glen Avon roofs, which means we typically spec GAF Timberline HDZ, CertainTeed Landmark, or Owens Corning Duration products. 3-tab shingles are cheaper up front but the inland heat breaks them down years faster here. The price difference on an average home is $1,500 – $2,500, and the architectural product lasts a decade longer in these conditions. For an exact product-to-product comparison on your roof, call (855) 382-1073.
Line them up item by item: decking replacement allowance, underlayment type, shingle brand and specific product line, nail pattern (we use six nails per shingle, not four), valley treatment, drip edge, flashing at all penetrations, ridge vent vs. cap, and whether the bid includes permit fees. The cheapest bid in Glen Avon usually cuts something – either the underlayment, the nail count, or the decking work. Get both bids in writing and compare the actual scope. We’ll give you a written estimate in the same detail so you can see exactly what you’re paying for.
Flat and low-slope sections need a different system than the pitched roof. We don’t shingle a flat section – it leaks. We install TPO or modified bitumen membrane, with the seams heat-welded or torched to spec. On Glen Avon homes with flat back additions or patio covers, these sections often fail before the main roof because they catch more sun and hold more standing water. A full flat roof replacement runs $10,000 – $18,000 depending on the decking condition, but if it’s caught early, a seam repair might buy you a few more years. Call (855) 382-1073 and we’ll look at it before recommending anything.
Replace it when the cost of repeated repairs over the next three to five years would exceed half the cost of a full replacement, or when the shingles are so brittle they’re losing tabs across multiple slopes rather than in one area. In Glen Avon, a roof with widespread granule loss, cracked or curling shingles on both the east and west exposures, and failed underlayment is finished. If it’s just one slope or a small repair area, we’ll tell you that too. That’s the benefit of hiring a company that does both – we don’t need you to replace anything. Call (855) 382-1073 for an honest inspection.
Written by Ruben Calloway, Owner at Barnwood Roofing, serving Glen Avon and the Jurupa Valley.