Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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AfterFast, Reliable Window Installation Across Martinez
Martinez Window Replacement costs most homeowners between $650 and $1,850 per window for full-frame work, with most single-family jobs landing between $8,500 and $22,000 total when six to twelve windows are being replaced. Those are real ranges for this market, not national averages pulled from a calculator. We measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves your driveway. If you’re in the 94553 zip code and your windows are sticking, fogging, or letting the afternoon Strait wind whistle through, call (888) 635-0804 for a free estimate.
Why TruePane Windows & Doors Is Martinez’s Preferred Window Installation Company
We’ve worked in Martinez long enough to know that a window that works fine in Concord can fail inside of five years here. The difference is the Carquinez Strait. It’s not a slogan; it’s hydrology and wind load and salt air, and it dictates how we spec hardware, flashing, and glass packages for every job near the waterfront or the refinery corridor. Our crews know which neighborhoods have the 1910s Craftsman frames that need reframing and which downtown Victorians fall under the historic district’s profile-matching rules. That local knowledge keeps permits moving and keeps your quote honest.
TruePane is led by Dale Kessler, a second-generation glazier who started this company in 2008 on a simple rule: if the pane is not true, the job is not done. We’re not a franchise outfit running crews out of a regional call center. A live person answers our phone 24 hours a day, seven days a week. When you call, you get a person who knows what a sash weight is and why the moisture cycling off the Strait kills seals faster here than almost anywhere else in the East Bay. Our technicians are background-checked, uniformed, and trained to work in your home the way they’d work in their own mother’s.
Our Window Installation Services in Martinez
We install, replace, and service every common window type in Martinez homes, but the housing stock here pushes three styles to the front more often than not. Older Craftsman and Victorian frames call for casements and double hungs. The view lots above the waterfront call for picture windows. Here’s what we tell homeowners in each case.
Casement Windows
Casements are the workhorse for Martinez homes because they seal tight against wind-driven air infiltration. A properly adjusted casement sash presses its weatherstripping into the frame at the hinges and the lock, which matters when the Strait pushes 15 to 25-plus mph gusts through your neighborhood every afternoon. We install fusion-welded casements most often in the pre-1940 homes near downtown and along Escobar Street, where a single-pane wood sash is usually too far gone to save. Expect to pay between $700 and $1,600 per unit for full-frame casement replacement in Martinez, depending on size and finish.
Awning Windows
Awning windows hinge at the top and open outward, which makes them the smart choice for homes that catch the Strait’s wind-driven rain head-on. Because the sash acts like a small awning when open, you can leave them cracked for air in the afternoon without pulling water into the house. We install a lot of awnings in kitchens and bathrooms in the neighborhoods off Alhambra Avenue, where older homes have small, oddly sized rough openings that stock picture windows won’t fit. Full-frame awning replacement in Martinez runs $600 to $1,300 per window.
Fixed & Picture Windows
A fixed picture window does one job: it frames the view and keeps the wind out. In Martinez, a picture window facing the Carquinez Strait takes the highest wind load of any opening in the house. The glass package and the frame have to be spec’d for that exposure, which is why Impact Windows & Doors - Martinez options matter for these loads, not just units dropped in off a stock list. We install picture windows with low-E coatings tuned for west-facing exposure, which cuts afternoon heat gain while still showing the water. Expect $800 to $2,200 per unit, with higher-end triple-pane packages running toward the top of that range.
Single & Double Hung Windows
Double hungs are the classic replacement for the original wood sashes in Martinez’s downtown Craftsman and Victorian homes. The problem is that after 80 to 130 years of Strait moisture cycling, the jamb pockets and sash weight cavities in those old frames are usually twisted, swollen, or both. A direct insert replacement often won’t operate smoothly because the opening itself is no longer true. We reframe the rough opening where needed, then install a double hung that actually slides. Single and double hung replacements in Martinez typically run $650 to $1,500 per window for full-frame work.
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 Martinez
We’re an authorized installer for more than a dozen manufacturer lines, and in Martinez we most often quote PGT and CGI for impact-rated work near the water, plus for standard replacement. For homes near the refinery corridor along Pacheco Boulevard, we spec stainless or PVD-coated hardware rather than standard zinc or bare aluminum, because sulfur compounds in the air corrode zinc hardware in under five years. That’s not a brand upsell. It’s the difference between a window that operates smoothly in year six and one that needs a hardware kit. We quote side by side on paper so you see exactly what you’re buying.
For homeowners who want the full Window Installation picture, our team walks through frame material, glass package, grid pattern, and hardware finish before you sign anything. We register both manufacturer warranty layers in writing before the truck leaves your driveway. That’s The Keystone Standard, and it applies to every job we do in Martinez.
Common Window Installation Problems We See in Martinez Homes
- Swollen, warped wood sashes in pre-1940 homes. Decades of daily moisture cycling off the Carquinez Strait cause original single-pane wood sashes to swell, stick, and pull free of their sash weights. We find twisted jambs and separated joints on most full-frame replacements in the downtown historic district.
- Fogged double-pane units near the refinery corridor. Homes within a couple miles of the Shell refinery along Pacheco Boulevard show accelerated insulated glass unit failure. Sulfur compounds degrade the sealant over time, and we see fogging years earlier than in Lafayette or Walnut Creek.
- Improperly flashed replacements that leak by year three. The Strait’s wind-driven rain finds every flashing mistake. We remove and correct poorly lapped or missing flashing on a regular basis, then install the new window so water always drains down and out, never into the rough opening.
- Corroded hinges, locks, and operators. Standard zinc hardware fails quickly in Martinez’s salt-and-sulfur air. In waterfront and refinery-adjacent zones, we automatically spec stainless or PVD-coated hardware; in the rest of Martinez, we make it the default recommendation for any outward-opening window.
Pricing for Window Installation in Martinez, CA
Here’s what window installation actually costs in Martinez in 2026. A mid-grade vinyl double hung, full-frame replacement, runs $650 to $1,050 per unit installed. Casements and awnings run $700 to $1,600. Fixed picture windows run $800 to $2,200 depending on glass package and exposure. A full-house job of eight to twelve windows on a typical 1920s Craftsman near downtown lands between $12,000 and $26,000 when reframing, lead-safe practices, and historic-district profile matching are factored in. Materials, labor, debris hauling, and permit fees are all included in our written line-item quote. The only thing that moves your number after we start is a structural surprise we couldn’t see until the wall was open, and we price that in writing and get your approval before we touch it. Call (888) 635-0804 to schedule a free estimate.
We Also Serve Cities Near Martinez
Our crews serve Martinez and the surrounding communities, including Pleasant Hill, Benicia, Lafayette, and Concord. If you’re in one of those cities, we can schedule a free estimate the same week. For a full look at Window Installation in Martinez and what makes this market different, keep reading. The Carquinez Strait wind doesn’t stop at the city line, but the way we spec hardware and flashing changes block by block.
Serving Martinez, CA - Our Local Coverage Area
We’re based in the Martinez 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 Martinez
Martinez’s historic district guidelines require replacement windows to match the original grid pattern and profile of the home, which means no snap-in decorative grids over a blank double-pane unit. For a 1910s Craftsman or Victorian near downtown, you’re typically required to use simulated divided lites with the grid bars placed between the glass panes at the same spacing as the original wood muntins, often with a matching interior and exterior grid. That work runs an additional $150 to $400 per window depending on the pattern. Call (888) 635-0804 and we’ll look up what your specific address requires.
The Strait wind means your primary performance concern in Martinez is air infiltration, not insulation. We spec windows with an air infiltration rating of 0.1 cfm or lower for any west-facing or waterfront opening, because that’s where the daily 15 to 25 mph pressurization hits. For U-factor, Energy-Efficient Windows - Martinez specs of 0.28 to 0.32 are adequate for this marine climate; going lower adds cost without much comfort benefit. For SHGC, west-facing glass should sit around 0.25 to 0.30 to cut afternoon heat gain without darkening the room. Call (888) 635-0804 for a glass-package recommendation specific to your street.
When we pull a permit to replace windows in a pre-1940 Martinez home, the inspection often triggers three things: lead-safe work practices if the original paint tests positive, egress sizing upgrades if the opening is smaller than 20 inches wide by 24 inches high or the sill sits more than 44 inches off the floor, and tempering requirements if the glass sits within 24 inches of a door or within 60 inches of a tub or shower. We carry these allowances in our written quote so they’re priced up front, not sprung on you at inspection. Call (888) 635-0804 for an exact number on your house.
Homes within about two miles of the Shell refinery corridor along Pacheco Boulevard are exposed to sulfur compounds in the air that accelerate corrosion on standard zinc-plated window hardware, often visible as white crust or pitting within three to five years. That’s why we spec stainless steel or PVD-coated hinges, locks, and operators on any job in that zone, which typically adds $40 to $90 per opening but keeps the hardware functioning for the life of the window. Call (888) 635-0804 and we’ll tell you honestly whether your street needs it.
In most pre-1940 Martinez homes, the answer is no, for a structural reason rather than a preference. The original wood frames have absorbed moisture from the Strait for a century, which means the jambs are rarely square and the sashes have often pulled free of their weights or been nailed shut by a previous owner. Replacing just the glass in a twisted frame leaves you with a window that still sticks, leaks, and drafts, while voiding the manufacturer warranty on the new unit. If the frame is one of the rare ones still true, we’ll tell you and quote a glass-only replacement honestly. Call (888) 635-0804 for a no-pressure look.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Martinez and the East Bay since 2008.