Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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Before
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Before
AfterFast, Reliable Roof Installation Across Concord
A full roof installation in Concord, CA typically runs between $11,500 and $28,000 depending on square footage, tear-off layers, and framing condition. Most standard architectural shingle replacements on single-story ranches land between $14,000 and $19,000. That number is honest, written, and delivered before any work starts, because we price Concord roofs the way they actually come apart once the old shingles hit the dump trailer. We work all over Concord, from the Sun Terrace ranches off Concord Boulevard to the newer subdivisions up by Ygnacio Valley Road, and we schedule every job with a live arrival time you can track on your phone. Call (325) 246-5075 and we’ll walk you through the numbers.
Why Crestview Roofing Is Concord’s Preferred Roof Installation Company
Concord homeowners tend to ask sharper questions than most, because a lot of them have already been burned by a bid that changed after tear-off. We know that, and it’s exactly why our process starts with a written line-item price before a single shingle comes off. Dylan Pace runs every Concord project this way. He spent enough years watching homeowners argue with contractors over surprise decking charges, and he built Crestview Roofing in 2000 to run differently.
Every Concord roof we install goes through the same visibility standard as every other job we do in the Bay Area. You get a written price up front, before-and-after photos of the roof surface, the decking, and the flashing, and a digital invoice sent by text when the job closes. The crew arriving at your Concord home is background-checked and uniformed, and you’ll see their name and arrival time on your phone before they park. No four-hour windows. No guessing who’s at the door.
We’re part of the Relay Home Co. family, and every job is bound by The Relay Visibility Guarantee. That means the number on the written estimate is the number on the final invoice, unless we find something under the shingles and you approve the change in writing first. Concord is our service area, and we answer calls around the clock with a live person. Not a voicemail loop, not a callback tomorrow. Someone answers.
TPO Roofing Installation in Concord
TPO Roofing Installation in Concord is the right call for low-slope sections, room additions, and flat garage roofs, which show up all over the older neighborhoods from Monument Boulevard down to the flats near downtown. TPO is a single-ply thermoplastic membrane that gets welded at the seams with hot air, which creates a watertight surface that handles standing water better than a shingle system would on a low pitch. Concord additions built in the 1970s and 1980s often have roof slopes too shallow for asphalt shingles, and TPO is what we specify there. A typical TPO install on a Concord flat roof or addition runs $9 to $14 per square foot installed, including tear-off of the old membrane and new insulation where the existing foam board has gone soft.
When the pitch is too low for shingles
Shingle manufacturers require a minimum slope, usually 2:12. A lot of Concord room additions were framed flatter than that, especially the ones built during the big post-war expansion. When water sits instead of running off, shingles fail fast. TPO solves the pitch problem because the membrane is monolithic, no gaps, no laps for water to get under. We check the actual slope with a level before recommending the system, because putting shingles on a 1:12 Concord addition roof is how you get a leak in the first rain after the warranty lapses.
Flat roof tear-off and new insulation
Most Concord flat roofs we open up have insulation that’s been wet at least once. Wet ISO board loses its R-value and holds water against the framing, which accelerates rot. We tear off to the decking, dry it out, replace compromised insulation, and lay the TPO membrane over a clean substrate. That’s the only way to get the manufacturer’s warranty to stick, and we document every step with photos so you see what we saw.
Shingle Roof in Concord
Shingle Roof in Concord means asphalt architectural shingles on the overwhelming majority of homes, and the price differences come down to decking condition, tear-off layers, and whether the framing needs attention. We install GAF, CertainTeed, and Owens Corning architectural shingles on most Concord homes, because they hold a better wind rating than 3-tab and they look right on the ranches and split-levels that dominate the market. A straight shingle roof replacement in Concord with one tear-off layer, new underlayment, new drip edge, and architectural shingles generally runs $5.50 to $7 per square foot. If there are three layers of old 3-tab to remove and decking to replace, that number moves up.
Full replacement or recover
Concord building code allows a recover, which is installing new shingles over one existing layer, up to a point. The problem is that a lot of the older Concord homes near downtown already have multiple layers from decades of cheap re-covers. When the existing layers already stress the rafter tails and the shear connections, adding another layer violates the manufacturer’s wind-rating spec and voids the warranty. We check before we quote. If a recover is safe and legal, we’ll say so. If it isn’t, we’ll show you why it’s a tear-off.
Architectural shingle details that matter
The details are where the leaks come from. We replace every piece of step flashing at wall intersections, re-flash chimneys and vents, install ice and water shield in valleys and along the eaves where Concord’s winter rains drive water sideways, and run a full ridge vent system so the attic breathes. These are line items on the estimate, not after-thoughts. You’ll see them priced before we start.
Trusted Brands We Service in Concord
We install and service GAF, CertainTeed, and Owens Corning roofing systems on Concord homes, and we stock the common components locally so a warranty issue doesn’t wait a week for parts. GAF Timberline architectural shingles are the workhorse we use most on Concord’s ranch-style homes. Owens Corning Duration shingles come out on jobs where the homeowner wants a heavier, more impact-resistant profile. CertainTeed Landmark sits in the middle, excellent color retention for the east-facing roofs that catch the morning sun over Mount Diablo. We don’t box you into one brand. We spec the system that fits your roof’s pitch, exposure, and framing, and we write the brand and the warranty on the estimate.
Common Roof Installation Problems We See in Concord Homes
- Multiple layers of old shingles. Concord homes from the 1950s and 1960s often carry three layers of 3-tab, which adds weight the rafters were never sized for. Tear-off is heavier, slower, and more expensive, but skipping it voids the new roof’s wind warranty and masks decking rot.
- Rotted decking and fascia hidden under old shingles. The older flats near downtown Concord see a lot of moisture trapped against the roof line, and by the time you see a water stain on the ceiling, the sheathing is usually soft. We find it during tear-off, photo it, and price the replacement before nailing anything back down.
- Expansive-soil movement cracking rafter connections. Concord’s clay soils expand and contract through wet winters and dry summers, and that ground movement racks the framing on pre-1980 homes. The roof-to-wall connections shear, the ridge line sags, and the new roof needs shear-nailing and sometimes rafter sistering before it can be installed correctly.
- Framing that doesn’t meet current shear standards. A roof replacement triggers a code review in Concord, and older homes often need additional shear nailing or blocking at the eaves before the inspection passes. Contractors who skip that step leave the homeowner holding a roof that fails the final inspection.
Pricing for Roof Installation in Concord, CA
Here’s what we see across Concord, and these are real numbers, not teaser ranges. A straight tear-off and architectural shingle replacement on a 1,200-square-foot single-story ranch runs $14,000 to $18,000. This includes one layer of tear-off, new synthetic underlayment, new drip edge, valley and eave ice and water shield, and architectural shingles with a ridge vent. If there are multiple layers to remove, add $1,500 to $3,000 for a second or third layer. Decking replacement, when needed, runs $3 to $5 per square foot of replaced area. Rafter sistering or shear wall upgrades add another $1,200 to $4,000 depending on how much framing the inspector flags. TPO on a flat section runs $9 to $14 per square foot installed. Call (325) 246-5075 and we’ll put a written number in front of you before you spend a dime.
We Also Serve Cities Near Concord
Our crews handle Roof Installation work in Pleasant Hill, Walnut Creek, Lafayette, and Martinez, so if you’re just outside Concord proper, the same written-pricing process applies. We schedule across the whole Concord corridor with the same live arrival tracking and before-and-after photo documentation. Same brands, same warranty, same no-surprises estimate.
Serving Concord, CA – Our Local Coverage Area
We’re based in the Concord 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 Installation in Concord
Most Concord ranch homes range from 18 to 28 squares, where one square equals 100 square feet of roof surface. To compare bids, divide each total price by the number of squares, but then check what’s included. A bid that’s cheaper per square often excludes the tear-off haul, the decking contingency, or the permit fee. Ask for a line-item breakdown. If the contractor won’t provide one, that’s your answer. Call (325) 246-5075 and we’ll send a written estimate with every line priced.
Yes. A full roof replacement in Concord requires a building permit, and the city inspector will check nailing patterns, underlayment, flashing, and ventilation before the job closes. We pull the permit, schedule the inspection, and make sure the roof passes. Skipping the permit leaves you exposed if you sell the house or file an insurance claim. We never skip it.
The two things that change a Concord roof price mid-job are rotted decking and framing that needs shear upgrades. Both are impossible to see until the old shingles come off. We write a contingency line into the estimate so the price movement is understood before we start, and we never proceed on a change without your written approval. On a 1962 ranch in Sun Terrace, we found two sagging rafters and a rotted fascia run after tear-off. The homeowner had budgeted for a straight overlay. We priced the sistering and fascia repair line-by-line before nailing a single square, and the final number matched the approved change order exactly.
A standard single-story Concord ranch with one tear-off layer and no framing surprises takes 3 to 5 working days. Two-story homes or multiple-layer tear-offs run 5 to 7 days. The permit pickup adds a few days on the front end, and the inspection adds a day or two on the back end. We give you a realistic calendar in the written estimate, not a vague “about a week.”
Architectural shingles earn their wind rating through the fastening pattern and the seal strip, not just the material. GAF Timberline and Owens Corning Duration carry 130 mph wind ratings when installed to manufacturer spec, which means six nails per shingle and a clean, intact deck. If you overlay new shingles over multiple old layers, you void that rating because the fasteners can’t reach solid decking. On Concord’s east-facing slopes that catch the wind coming over the hills, we install to the full wind spec every time.
Written by Dylan Pace, Owner at Crestview Roofing, serving Concord and the surrounding Bay Area since 2000.