Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Concord
Window installation in Concord costs $650-$1,400 per window for a standard retrofit in a 1960s-70s tract home, and $1,200-$2,800 per window when the rough opening needs reframing. Most Concord jobs take one day for retrofit work and two to three days when we’re replacing rotted framing or resizing openings. We’ve worked on more Clayton Road and Treat Boulevard tract homes than we can count, and we know exactly what hides behind the stucco. If you’re pricing our Window Replacement in Concord, call (888) 635-0804 for a free written estimate, no pressure, no change orders you didn’t approve.
TruePane has served Concord homeowners since Dale Kessler founded the company in 2008. Our crews work throughout 94518 and the surrounding neighborhoods, and our schedulers coordinate dispatch from our Bay Area office so we can get a technician to your door on time, every time.
Why TruePane Windows & Doors Is Concord’s Window Installation Company
Concord homeowners don’t call us because they saw a billboard. They call because a neighbor off Cowell Road or a friend near Ygnacio Valley Road had us replace their original aluminum sliders, and the work held up through the next Diablo wind event. Our reputation in Concord is built on showing up when we say, measuring every opening twice, and registering both warranty layers in writing before the truck leaves the driveway.
We hire local, train apprentices into journeymen, and act like a company that plans to be in Concord in thirty years. That’s how Dale built this business, and it’s the reason a live person answers the phone 24 hours a day, not a voicemail tree or a regional call center. When you call (888) 635-0804 about window installation in Concord, you talk to someone who knows the difference between a retrofit on a 1968 rancher and a full-frame replacement on a 1974 split-level.
And we stand behind the work. The Done Right Promise means if it isn’t done right, we make it right. No paperwork fights, no arguing. That’s the Keystone Standard on every job we do in Concord.
Our Window Installation Services in Concord
Our Window Installation team handles every style of replacement window common to Concord’s housing stock. The tract homes of the 1950s through 1980s dominate this city, and their original aluminum sliders and single-pane fixed windows are the ones we replace most often. Here are the four we install most frequently in Conconrd.
Sliding Windows
Sliding windows are the workhorse of Concord’s tract homes. Most original sliders in this city are aluminum-frame, single-pane units from the 1960s and 70s, and after 50-60 years of 100°F summers, the tracks wear out and the frames rack out of square. We replace them with vinyl or fiberglass sliders rated for Climate Zone 12, with reinforced frames and high-solar-gain-rejection low-E glass that actually cuts the afternoon heat in a west-facing Concord living room.

Bay & Bow Windows
Bay and bow windows in Concord’s older homes often sit on undersized cantilevered decking that’s sagged over decades of thermal cycling. When we install a bay or bow window in a 1960s rancher off Monument Boulevard or a 1970s home near Willow Pass Road, we inspect the support framing first. If it’s compromised, we fix it before the new window goes in. A new bay window in Concord runs $2,800-$6,500 installed, depending on size and seating.

Fixed & Picture Windows
Fixed and picture windows are the simplest replacement, but they’re also where Concord’s sun exposure matters most. A large picture window on a south- or west-facing wall takes five to six hours of direct summer sun. If the glass package isn’t spec’d for Climate Zone 12, the seal fails early and you’re back to fogged glass inside five years. We default to high-solar-gain-rejection low-E coatings and argon fill on every fixed window we install in Concord.

Casement Windows
Casement windows aren’t the original standard in Concord tract homes, but they’re a smart upgrade where a homeowner wants better ventilation and airtight sealing. The fusion-welded frame and multi-point locking hardware hold up under Diablo wind pressure far better than a builder-grade aluminum slider. In Concord, a casement replacement costs $750-$1,600 per window for a standard retrofit.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Concord
TruePane is an authorized installer for more than a dozen manufacturer lines, and on most Concord jobs we’re quoting side by side so you see exactly what you’re paying for. We also install Ply Gem, PGT, and CGI products, particularly where Impact Windows & Doors - Concord is the right call. We stock local parts for Concord customers, which means we don’t wait on a regional warehouse when a sash needs a hardware refresh or a weatherstrip replacement.
Common Window Installation Problems We See in Concord Homes
The older Concord housing stock has a set of recurring failure modes we know by heart. Here’s what we find most often:
- Flashing tape turned to powder. Original flashing on 1960s-70s aluminum sliders cracks under decades of Diablo wind pressure and 105°F heat. Water gets behind the stucco before anyone notices, and by the time the homeowner sees a stain inside, the framing is already compromised.
- Warped budget vinyl that bends in the heat. We’ve seen vinyl units spec’d for coastal loads rack and bow during Concord’s summer heat, jamming the sash and leaving gaps that destroy the U-factor. That’s why we don’t install undersized frames here, even when the price is lower.
- Sagging 2×4 headers over original rough openings. Forty to seventy years of thermal cycling weakens the original header, and a replacement window set without reframing binds or settles out of level within two years. We inspect the header before we order the window, not after.
- Shifted rough openings. On a 1969 tract home off Clayton Road, our crew pulled an original aluminum single-pane slider to find the rough opening had shifted a full half-inch out of square and the flashing tape had turned to powder. We reframed the jamb, squared the opening with pressure-treated shims, and set a Milgard casement with argon fill and fusion-welded frame. The homeowner later told us the afternoon heat in that west-facing bedroom finally stopped bleeding through.
Pricing for Window Installation in Concord, CA
Here’s what window installation actually costs in Concord right now. A standard retrofit for an aluminum slider replacement runs $650-$1,100 per window. A full-frame replacement, where we pull the old frame and reframe the opening, runs $1,200-$2,800 per window depending on size, glass package, and whether the rough opening needs remediation. Bay and bow windows run $2,800-$6,500 installed. Casement windows run $750-$1,600. Fixed and picture windows with Climate Zone 12 glass run $700-$1,800. These ranges reflect Concord’s market as of 2025, and they’re what we put in writing before any work starts. Call (888) 635-0804 for a free estimate, and we’ll give you a line-item quote, not a guess.
We Also Serve Cities Near Concord
TruePane installs windows throughout Contra Costa County, including Window Installation in Concord and the nearby communities of Pleasant Hill, Walnut Creek, Lafayette, and Martinez. If you’re in one of those cities, call (888) 635-0804 and we’ll get a technician to you on the same schedule we run for Concord jobs.
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 - Window Installation in Concord
Because in Concord’s 1950s-1980s tract homes, the rough opening is rarely square, the flashing is usually baked out, and the header is often undersized or sagging. A retrofit quote assumes the existing opening is sound; when we pull the old aluminum slider and find rot or a half-inch of settling, the job becomes a full-frame replacement. At TruePane, we inspect the opening before we quote, not after, and we write an allowance into every contract so you know the real number up front. Call (888) 635-0804 and we’ll walk you through what we’re likely to find in your home specifically.
Yes. Concord sits in CEC Climate Zone 12, where summer highs routinely hit 95-105°F, 30-40 degrees hotter than coastal Bay Area cities just 20 miles west. A standard coastal low-E package won’t reject enough solar gain for a west-facing Concord living room in August. We default to Energy-Efficient Windows - Concord specs with high-solar-gain-rejection low-E coatings and argon fill on most jobs, and we quote it side by side with the standard package so you see the cost difference and the performance difference. Call (888) 635-0804 for an exact quote on your elevations.
Sometimes. Concord’s building code triggers safety upgrades, particularly tempered glass requirements, egress sizing, and in older homes the city may require bringing the window opening up to current Title 24 energy standards. We pull permits on every full-frame job and handle the inspections, so the work clears code without you chasing down the city. Call (888) 635-0804 and we’ll tell you what a permit on your home actually triggers.
The first thing to check is whether the seal has failed or whether the condensation is on the inside of the glass. In Concord’s dry summers, fog between the panes on a hot afternoon means the IGU seal is blown, and no repair will fix it. A replacement sash or full window is the only permanent fix. Call (888) 635-0804 and describe what you’re seeing, and we’ll tell you over the phone whether it’s a seal failure or something simpler.
A standard retrofit on a Concord single-story takes about six to eight hours for a crew to set three to five windows. A full-frame replacement with rough opening remediation takes two to three days, depending on how much framing repair is involved and whether we’re pulling permits. We tell you the schedule in writing before we start, and we don’t leave a job half-open overnight. Call (888) 635-0804 to schedule a free estimate and we’ll give you a real timeline for your house.
Get a Free Window Installation Estimate in Concord
If you live anywhere in Concord, from the Clayton Road corridor to the neighborhoods around Ygnacio Valley Road and Willow Pass Road, TruePane can get a technician to your home, measure every opening twice, and give you a written line-item quote for window installation. We won’t pressure you, we won’t upsell you, and we won’t leave you with a number that changes once the wall is open. Call (888) 635-0804 to schedule your free estimate.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Concord and Contra Costa County since 2008.



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