Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Concord
If you’re looking for a Roofing Company in Concord, CA that puts the price on paper before any work starts, you’ve found one. Brennan Roofing serves homeowners across Concord with roof replacement, repair, and inspection, all backed by The Garrison Standard: a clear written quote, background-checked uniformed technicians, and a 365-day guarantee on every job. Call us at (361) 320-9467 and you’ll speak with a live person, not voicemail.
When you open up a 1950s or 1960s Concord home, you tend to find things you wouldn’t see on a newer build: plank sheathing instead of plywood, dried-out flashing, framing that might not be square, and waterproofing details that haven’t aged well. We price for that reality up front with a Roof Inspection - Concord and allowances written directly into the contract. No one should discover the cost of a roof mid-tear-off. We make sure you know before the first shingle comes off.
Why Brennan Roofing Is Concord’s Preferred Roofing Company
Our reputation in Concord is built on one thing: we show up when we say we will and the price doesn’t move. Homeowners across the city, from the Sun Terrace tract to neighborhoods off Clayton Road and Treat Boulevard, tell us the same story about their previous roofer: no call, no show, then a higher number at the door. That doesn’t happen here. The Garrison Code requires a written price before any work begins, and our technicians are background-checked and arrive in uniform, so you know exactly who’s climbing onto your roof.
Concord-specific scheduling matters too. We dispatch crews from our San Francisco Bay Area office to Concord daily, and we know these neighborhoods: Todos Santos, Monument Corridor, the hillside homes along Bailey Road, the older tracts off Willow Pass Road. That local familiarity means we know which roofs on the south-facing slopes take the worst heat and where the wind actually drives rain during a December storm.
Residential Roofing in Concord
Residential Roofing in Concord often starts with a question we hear every week: do I repair this, or is it time to strip and replace? The answer depends on what’s underneath. In Concord’s postwar housing stock, that more often than not means original plank sheathing under two layers of asphalt shingles. A full replacement typically runs $12,000 to $20,000 for a standard single-family home depending on square footage and roof complexity. Repairs run between $450 and $1,400 for most issues.
Full-Scale Tear-Off and Replacement
When a roof has reached the end of its service life, we strip everything down to the decking. We inspect the planks for cupping and rot, re-deck where needed, lay new underlayment, install new drip edge and flashing, and then the shingle system itself. In Concord’s heat, we pay close attention to ridge ventilation and penetration flashing, because that’s what fails first here.
Targeted Leak Repair and Flashing Work
Not every roof needs a full replacement. When the leak is isolated to a pipe boot, a vent, or a section of valley flashing, a repair is often the right call. We re-flash, re-seal, and replace only what’s damaged. Every repair we do carries the same one-year written guarantee as a full install.
Roof Maintenance in Concord
Roof Maintenance in Concord is different from maintenance in most of the Bay Area, and it starts with the calendar. Here, our recommendation is simple: book a tune-up in September or early October, before the first concentrated winter storm. A routine maintenance visit runs $250 to $450 depending on roof size and what we find. It’s the cheapest insurance you’ll buy against a January leak.
Fall Penetration and Sealant Tune-Up
Concord’s summers bake roofs above 100°F. That heat does its work months before the rain arrives: sealant around vent collars, pipe boots, skylights, and chimney flashing dries out, shrinks, and cracks. Walk a roof in October and you can see the fractures with the naked eye. We replace failing sealant, re-seat pipe boots, and check every penetration before the first storm tests them.
Flat-Low-Slope Roof Inspection and Maintenance
If your Concord home has one of those 1960s low-slope patio covers or a flat-roof addition, it needs a different membrane system than the pitched shingle roof, and it needs its own maintenance schedule. We check for ponding water, membrane cracks, edge lifting, and failed seams. Different roof, different failure points, different fix.
Trusted Brands We Service in Concord
We install and repair materials from manufacturers we’d put on our own roofs, including Atlas, GAF, and CertainTeed. Why those names? Because their shingle lines hold up under Concord’s sustained UV exposure better than bargain products, and their warranty support is consistent. We don’t push one brand. We explain the difference between architectural and three-tab, discuss what performs best on a hot south-facing slope, and let you choose with real information. Parts are stocked locally for quick turnaround on repairs.
Common Roofing Problems We See in Concord Homes
- Sun-baked failed sealant around vents and pipe boots. In Concord’s hot summer months, sealant turns brittle and cracks long before it ever sees rain. After a dry summer, the first big winter storm shows those cracks as ceiling stains.
- Granule loss and heat stress on south-facing slopes. The Diablo Valley sun is relentless, especially on roofs with direct southern exposure. Shingles lose their ceramic granules years before they actually tear.
- Original plank sheathing under layers of old shingles. Homes built between 1950 and 1975 in Concord were often decked with solid planks rather than plywood. Those planks cup and pull nails over 60 years of thermal cycling.
- Mismatched roof systems on additions and patio covers. Many Concord homes mix a pitched shingle roof with flat, low-slope additions. One membrane system does not serve both. Each section needs its own correctly matched system.
Pricing for Roofing Company in Concord, CA
Here are honest numbers for the Concord market. A full tear-off and architectural shingle replacement on a typical 1,600 to 2,200 square foot home runs $12,000 to $20,000. Tile roof replacement, when tile is what the home actually calls for, runs $22,000 to $45,000. Roof repairs fall in the $450 to $1,400 range. Inspections, including our fall tune-up, run $250 to $450. Flat roof sections are priced by square foot and membrane type. The cost of a project is driven by square footage, roof slope, the number of penetrations, and what surprises the decking reveals. The one number that won’t move is the one on your written quote. Call (361) 320-9467 for a free inspection and estimate.
We Also Serve Cities Near Concord
Beyond Concord, our crews regularly work in Concord neighboring communities including Pleasant Hill, Walnut Creek, Lafayette, and Martinez. If you’re in one of those cities, you’ll get the same Garrison Standard: written price first, on-time arrival, and the same one-year written guarantee.
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 Roofing Company in Concord
We handle it by inspecting and pricing before we open anything. We write allowances into the contract for the known unknowns: rotted plank sections, failed flashing, sheathing that needs re-decking. If we do find something outside the allowance, we stop, price it, get your approval in writing, and only then proceed. You’re never handed a surprise number at the end.
Because the leak probably didn’t start with the rain at all. Concord’s summer heat cracks the sealant around vents, pipe boots, and penetrations. That damage happens invisibly all season. When the first storm arrives, the rain finds those cracks. That’s why we schedule tune-ups in early fall: fix the heat damage before the rain finds it. Call (361) 320-9467 for your fall inspection.
Yes. We quote by the roofing square, which is 100 square feet of roof area. It matters in Concord because our roofs get more sun than rain, so material wear hits specific slopes harder than others. We price by the actual square footage of the sections that need work, not by guessed bundles. Your line-item quote shows exactly how many square we’re roofing and what each one costs.
Opening the decking can trigger code requirements that older roofs never had: improved ventilation, ice and water shield at the eaves and valleys, correct underlayment, sometimes upgraded fasteners. We know what Concord’s building department will require and price it into your quote before we pull the permit, not as an afterthought after the decking is open. You’ll know the full cost, including all code work, before demolition starts.
In most Concord homes, we strip. Building code allows a re-cover in certain cases, but roofing over old shingles traps heat, hides decking damage, and shortens the life of the new roof by years. On a home built in the 1950s or 1960s with plank sheathing underneath, re-covering is a shortcut that costs you later. We recommend a full tear-off so we can inspect the decking and repair what needs it. Call (361) 320-9467 for a straight answer on your specific roof.
Contact Brennan Roofing in Concord, CA
If you live in Concord and want a roofer who shows up, inspects, writes the price, and stands behind the work for a full year in writing, call (361) 320-9467 to schedule your free inspection and estimate. You’ll talk to a live person, not a voicemail box. Travis Oakley and the Brennan Roofing team in Concord will take it from there.
Written by Travis Oakley, Owner at Brennan Roofing, serving Concord homeowners with the Roofing Company standard of workmanship and accountability.






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