Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across Brentwood
Custom window and door work in Brentwood, CA is not the same job it is over in Walnut Creek or Oakland. The housing stock here is younger, built fast between 1995 and 2008, and it is now aging in predictable, expensive ways. We see the same failures repeat across the subdivisions near Balfour Road and Sand Creek Road: fogged glass on west-facing elevations, weatherstripping that has turned brittle under 105°F heat, and framing that was undersized on day one. TruePane Windows & Doors has been doing custom replacements and retrofits in Brentwood long enough to know what is behind those stucco walls before we open them. If you are planning custom windows or doors, call us at (888) 635-0804 for a free estimate. We measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves your driveway.
Why TruePane Windows & Doors Is Brentwood’s Preferred Custom Windows & Doors Company
We are not a franchise that parachuted into eastern Contra Costa County last spring. Dale Kessler founded TruePane in 2008 on a rule that still sits on the whiteboard: if the pane is not true, the job is not done. That standard governs every custom Custom Windows & Doors project we take on, and it is why Brentwood homeowners keep our number in their phones long after the first job is finished.
Our technicians are background-checked and uniformed. They show up when they say they will show up. They work in your home the way they would work in their own mother’s house. And when a Brentwood customer calls with a question after install, a live person answers the phone. Not a voicemail tree, not a callback form. That is the standard we have held since 2008 of community service, and we do not intend to loosen it now.
Brentwood residents have come to expect a certain kind of company. One that sponsors county fairs and church roof funds, hires local apprentices and trains them into journeymen, and acts like it plans to be in town in thirty years. That is us. We serve Custom Windows & Doors in Brentwood as a local crew, dispatched from our San Francisco Bay Area office, with the parts, permits, and manufacturer relationships already in place.
Our Custom Windows & Doors Services in Brentwood
Custom work is not off-the-shelf work. It requires a shop that can fabricate to odd angles, handle oversized glass safely, and respect the architectural language of the home. These are the custom services we most often perform in Brentwood’s planned subdivisions and the older ranch-style homes scattered east of town.
Custom Shape Windows
Arched, radius, trapezoid, octagon, quarter-round. Brentwood’s 1990s and 2000s tract homes often included a single decorative shaped window over an entry or staircase, and those units are now failing seals or showing frame rot around the jamb. We template each opening by hand, order the custom insulated glass unit to the eighth of an inch, and install it with flashing tape rated for sustained heat. A typical custom shape window replacement in Brentwood runs $900 to $2,400 depending on size, glass package, and whether the rough opening needs reframing. The shaped unit is factory-welded, never site-glued, so the seal holds past the manufacturer warranty.

Commercial Storefront Glazing
Brentwood’s retail strips along Balfour Road and Sand Creek Road include storefronts that are now two decades old. Failed thermal seals, impact cracks, and outdated single-pane entries are common. We handle storefront glazing for small commercial properties in Brentwood, including door closers, panic hardware, and tempered or laminated glass replacement. Storefront glazing in Brentwood typically runs $35 to $65 per square foot for standard replacement, with custom door or hardware work quoted as a line item. We schedule commercial work around your operating hours, not ours.

Curtain Wall Systems
Larger custom projects, including some of the newer commercial construction along Brentwood Boulevard, call for curtain wall systems that anchor glass to structural members rather than conventional framing. We work with architects and general contractors on curtain wall design, fabrication, and installation. For residential applications, interior glass walls and glass railing systems fall into this category. A curtain wall build in Brentwood typically starts at $85 per square foot and rises with hardware finish, thermal break requirements, and engineering. Every system is engineered and permitted, never improvised.

Architectural Grilles & SDLs
Simulated divided lites and architectural grilles are the single most common request from Brentwood homeowners who want to preserve the street-facing look of their HOA’s design standard while upgrading to modern low-E glazing. We install SDLs between the glass panes, so the exterior profile matches the original muntin profile, but the surface stays flat and cleanable. Bay and bow windows, double-hung units, and casements all accept SDLs. Grille packages add $45 to $120 per window depending on profile width and pattern complexity. They are measured and matched to your existing window style, not approximated.

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 Brentwood
We are an authorized installer for more than a dozen manufacturer lines, including, and PGT. For Brentwood’s climate, we frequently recommend Milgard’s high-solar-gain low-E packages and PGT’s impact-rated lines for homes that catch full afternoon exposure. CGI and Ply Gem round out the options we quote side by side on paper, so you see exactly what each line costs and what each warranty covers. We stock common replacement parts locally for Brentwood customers, which means a broken sash or failed IGU on a line we carry can often be ordered same week, not same month.
Common Custom Windows & Doors Problems We See in Brentwood Homes
Every city has a signature failure pattern. Brentwood’s is no mystery to us. Here is what we repeatedly find when we open up walls and trim in this town’s tract-home stock:
- Failed IGU seals on west-facing windows: Afternoon sun hits unshaded stucco walls directly at 105°F and superheats the window cavity. Add the delta breeze dropping evening temperatures 25 to 35 degrees in a few hours, and the glass cycles through thermal expansion that the original builder-grade units were never rated to handle. Fogged glass at 10 to 12 years is the predictable result, well ahead of warranty expectations.
- Undersized framing and failed waterproofing hidden behind the trim: The window may look fine from the outside, but the rough opening was often framed tight, not square, and flashed with the cheapest material available in 2003. Once we open the wall, the real scope of the job comes into view.
- Outdated wiring that triggers permit-driven electrical upgrades: Custom window retrofits in Brentwood tract homes frequently expose wiring that is no longer code-compliant once the wall is open. The permit triggers the upgrade, and that has to be priced into the job before we touch anything.
- UV-degraded weatherstripping and flashing tape: Hot Diablo winds bake exterior seals until they crack and curl. Air and water then find their way around jambs and sashes, and the homeowner notices a draft in winter or a mildew smell after rain. We replace degraded materials with products rated for sustained inland heat.
Pricing for Custom Windows & Doors in Brentwood, CA
Here is what custom work actually costs in Brentwood as of 2026. A single builder-grade window replacement typically runs $600 to $1,200, but full custom units with high-solar-gain low-E glass and SDLs run $1,800 to $4,000 installed. Custom shape windows land between $900 and $2,400. Oversized glass panels, such as a large fixed picture window with tempered glass, run $2,500 to $6,000 depending on square footage and whether the opening needs structural reframing. A full-home replacement on a typical 2,000 to 3,500 sq ft Brentwood tract home with 15 to 22 windows falls between $18,000 and $45,000 before any framing, electrical, or waterproofing allowances are written in.
We write allowances into the contract for exactly the things we expect to find behind those walls: bad framing, failed flashing, outdated wiring. If the allowance is not needed, you keep the money. If the scope expands, you approve a written change order before we proceed. Call (888) 635-0804 to schedule a free estimate. You will get a line-item quote on paper, no vague ballpark.
We Also Serve Cities Near Brentwood
In addition to our work across Brentwood’s 94513 neighborhoods, we serve Oakley, Discovery Bay, Antioch, and Clayton. If you are in one of those communities and need custom windows or doors, call us and we will schedule a measure. The same crew, the same standards, and the same Done Right Promise apply wherever the job takes us in eastern Contra Costa County.
Serving Brentwood, CA - Our Local Coverage Area
We’re based in the Brentwood 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 - Custom Windows & Doors in Brentwood
Because the builder-grade dual-pane units installed in Brentwood’s 1995-2008 tract homes were not specified for this climate. Daily 105°F+ afternoon heat on west-facing elevations, combined with 25-35°F evening deltas from the Delta breeze, cycles the glass and framing through extreme thermal expansion and contraction. Seals fail at 10 to 12 years. That is not a homeowner maintenance failure; that is a materials failure. Call (888) 635-0804 and we will confirm whether a replacement is warranted under your existing warranty, even if the original installer has closed up shop.
We stop, show you exactly what we found, and price the fix as written scope before any additional work begins. We do not proceed on a verbal okay. Undersized framing means we reframe the rough opening to the current code minimum and install proper king and jack studs. Outdated wiring means the permit triggers an electrical upgrade, and we write that into the contract as an allowance up front so it does not surprise you later. The lesson from our work on Sand Creek Road: a fogged 20-year-old picture window was not only a failed IGU, it was also bad framing and failed waterproofing behind the wall. We fixed all three, and the owner approved each line item in writing first.
Yes. We match the exterior muntin profile, frame color, and overall sightlines to your HOA’s design guidelines, then install modern high-solar-gain low-E glass with argon fill inside a frame that reads as original from the street. Architectural grilles and SDLs are the standard tool for this, but we also do true divided lites when the HOA requires them. We will work from your HOA’s written rules and, where needed, provide a specification sheet for the board’s review before ordering anything. Estimates are free: (888) 635-0804.
Only if the glass package is right. Brentwood’s inland heat means larger glass openings must use high-solar-gain low-E coatings, argon or krypton fill, and frames with a true thermal break, or the panel becomes a heat sink that works against your air conditioning. We quote oversized glass panels with the appropriate solar control glazing for Brentwood’s climate, not a coastal glass package that looks impressive but performs poorly here. It is a functional decision, not an aesthetic one. We will put the numbers in front of you on paper.
No. Fogging that appears between the glass panes is a failed insulated glass unit seal, and in Brentwood it is overwhelmingly caused by the thermal environment: sustained 105°F+ heat on west-facing walls and rapid evening cooling from the Delta breeze. The manufacturer’s warranty should cover the IGU itself, but many Brentwood homeowners find the original installer has gone out of business, sold the company, or simply will not return calls. Call (888) 635-0804. We will identify the manufacturer from the spacer bar, check your warranty status, and tell you honestly whether a replacement or an upgrade is the better use of your money.
If you are planning custom windows or doors in Brentwood, get a quote from a company that has already opened up hundreds of walls in this town’s housing stock and knows what is behind them. Call (888) 635-0804 to schedule your free estimate. We will measure, quote, and register both warranty layers in writing before the truck leaves your driveway.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Brentwood and eastern Contra Costa County since 2008.



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