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 Lafayette
Custom window and door work in Lafayette usually starts with a specific problem: an opening that isn’t a standard size, a hillside home that needs fire-rated glazing to pass a permit check, or a 1960s ranch where the original aluminum frames have finally corroded past saving. TruePane Windows & Doors handles all of it. We measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves your driveway. Call (888) 635-0804 for a free estimate on custom windows and doors in Lafayette, and we’ll send a background-checked, uniformed technician to your home.
Why TruePane Windows & Doors Is Lafayette’s Preferred Custom Windows & Doors Company
We’re not a franchise playbook. TruePane was founded by second-generation glazier Dale Kessler, and the rule on his whiteboard has never changed: if the pane is not true, the job is not done. Lafayette homeowners call us because we answer the phone with a live person 24 hours a day, 7 days a week, not a voicemail tree. When you call about a failing oversized fixed-glass panel off Moraga Road or a dog-chewed door seal near Acalanes High School, you get a person who knows what you’re describing.
Our technicians know Lafayette’s housing stock. We know the 1950s ranches in the flats around Happy Valley Road, the split-levels climbing toward Reliez Valley, and the 1980s-2000s custom builds up toward the Las Trampas ridge that often hide undersized headers behind large fixed-glass assemblies. That local knowledge matters when a quote needs an allowance for what is inside the wall. We build inspection first, allowances in writing, and every surprise priced and approved before we touch it.
The Done Right Promise covers every job we complete in Lafayette. If something is not done right, we make it right, no paperwork, no arguing. The Keystone Standard means both manufacturer warranty layers are registered in writing, durations stated, before we leave your property. That is what a square deal looks like in this town.
Homeowners along St. Marys Road, in the Reliez Valley, and throughout the 94549 zip code trust us because we have been doing this work the right way since 2008 through a heritage of craft and community commitment. We hire local, train apprentices into journeymen, and plan to be in town in thirty years. When you call us with a question five years after an install, the same company answers.
Our Custom Windows & Doors Services in Lafayette
We install, replace, and service residential windows and doors across Lafayette, including fully Custom Windows & Doors built to your opening, your elevation, and your permit requirements. Here is how the services most Lafayette homeowners call us about actually work.
Custom Shape Windows
Arched, radius, trapezoid, eyebrow, circle-top. Lafayette’s colonial-revival and ranch homes often have non-standard window shapes that big-box replacement lines simply do not cover. We order from manufacturer lines that build to true custom dimensions, not just stock sizes with oversized trim to hide the gap. On a hillside home near the Lamorinda corridor, a custom-shape window often needs to be dual-pane tempered to satisfy CAL FIRE Very High Fire Hazard Severity Zone requirements. We check the code layer before we measure, so the glass you order passes inspection the first time.

Oversized Glass Panels
Large fixed-glass panels and clerestory assemblies are common in Lafayette homes built from the 1980s forward, especially the hillside custom builds with views toward Las Trampas. These are also the installations most likely to hide structural problems. On a split-level above the BART line toward Reliez Valley, our crew opened a 1960s family room to install a custom oversized fixed-glass panel with low-E argon fill and a fusion-welded frame. Behind the old aluminum single-pane, the original header was undersized and the flashing tape had failed. We wrote the reframing and waterproofing allowance into the contract before demo, then got written approval for the corrected header once the wall was open. That is how we handle surprises: they get priced and approved in writing, never sprung on you at the end.

Architectural Grilles & SDLs
Simulated divided lites. Colonial-revival homes throughout Lafayette, especially the well-kept properties near the Lafayette Reservoir and along Upper Happy Valley Road, often carry grille patterns the homeowner wants preserved. We match the original muntin profile and bar width while upgrading to modern low-E glass with a low solar heat gain coefficient. You get the historical look with performance the original single-pane never delivered. We can also match color on exterior grids, which matters when the HOA off Mt. Diablo Boulevard has architectural review standards.

Commercial Storefront Glazing & Curtain Wall Systems
For commercial properties along Mt. Diablo Boulevard and the small retail clusters near the BART station, we handle storefront glazing and curtain wall systems with the same written-warranty discipline as our residential work. Aluminum storefront frames, tempered entry glazing, and large-format curtain wall panels all carry the TruePane Done Right Promise. We quote manufacturer lines side by side on paper so a Lafayette business owner sees exactly what they are buying before the first pane gets set.

What happens when you call
- 1
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 Lafayette
TruePane is an authorized installer for more than a dozen manufacturer lines, including, PGT, and CGI. For the higher-spec custom work common on Lafayette hillside properties, we regularly quote ES Windows and ECO Window Systems because their fusion-welded steel and thermally broken aluminum frames perform better in the 95-100°F inland heat pocket than standard vinyl. We quote brands side by side on paper, so you choose based on performance numbers, not a sales script. Parts for common Lafayette retrofits are kept locally stocked, which shortens wait times when a custom sash or hardware set needs replacement.
Common Custom Windows & Doors Problems We See in Lafayette Homes
- Corroded aluminum single-pane frames from the 1950s-70s. The original frames on Lafayette’s ranch and split-level homes fail at the corners and along the sashes. Hot inland air pours through the gaps, and cooling bills climb every summer when the heat pocket east of the Oakland Hills pushes temperatures 30-40°F above San Francisco on the same afternoon.
- Hillside homes failing CAL FIRE Very High Fire Hazard Severity Zone permit checks. Existing glazing often is not dual-pane tempered, and door gaps lack intumescent seals. This code layer almost never triggers on flat-valley jobs in Walnut Creek or Concord, but it is routine above the BART line toward Reliez Valley and the Las Trampas ridge.
- Undersized framing and failed waterproofing behind oversized fixed-glass. The 1980s-2000s custom builds that feature large fixed-glass and clerestory assemblies were often set with headers that do not meet current code, and the original flashing tape degrades. Opening the wall reveals rot or structural repair the original quote never anticipated.
- UV-degraded window seals and warped wood door frames. Lafayette’s inland heat accelerates seal failure. The same afternoon a coastal house sits at 62°F, a Lafayette home can hit 98°F, and that repeated thermal cycling kills seals and warps wood doors faster than it does two ridges west.
Pricing for Custom Windows & Doors in Lafayette, CA
A custom-shape window replacement in Lafayette typically runs $900-$2,400 per opening, depending on shape complexity, glass spec, and whether the opening needs reframing. Oversized fixed-glass panels with low-E argon fill and a fusion-welded frame run $2,800-$7,500, with the higher end reflected in hillside homes that need a new header and waterproofing correction. Architectural grille matching adds $150-$450 per window, and going to a high-performance low-SHGC glass from ES Windows or CGI adds $200-$600 per opening over a standard low-E. Dual-pane tempered glass for CAL FIRE VHFSZ compliance typically adds $120-$350 per window over standard annealed glass. Every quote includes a written line-item breakdown, and our standing offer is a permanent 5% discount for seniors and veterans plus a free written repair estimate. Call (888) 635-0804 for an exact quote. Estimates are free.
We Also Serve Cities Near Lafayette
While this page is written for Lafayette homeowners, our crews also serve Walnut Creek, Orinda, Moraga, and Pleasant Hill. The heat pocket east of the Oakland Hills runs through all of them, but the CAL FIRE fire-hazard code layer is what really separates Lafayette from the flat-valley towns. Call (888) 635-0804 and we will tell you straight what applies to your property.
Serving Lafayette, CA - Our Local Coverage Area
We’re based in the Lafayette 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 Lafayette
Because much of Lafayette’s hillside residential area, particularly above the BART line toward Reliez Valley and the Las Trampas ridge, falls within CAL FIRE’s Very High Fire Hazard Severity Zone, and the local building department will not issue a window or door permit without confirming the new glazing meets fire-rated requirements. That typically means dual-pane tempered glass minimums and sometimes intumescent door seals. The compliance check happens before we write the final quote, so you never order glass that fails inspection. Call (888) 635-0804 and we will check your parcel while we are on the phone.
We write an inspection allowance into the contract before demo begins. If we open the wall and find an undersized header or failed flashing tape, we price the correction in writing and get your signed approval before we do the work. You never get a surprise line item at the end of the job. The Done Right Promise covers the corrected work the same as the original scope. For an exact breakdown on your opening, call (888) 635-0804.
For a 1950s ranch in Lafayette, you want a low-E coating with a solar heat gain coefficient of 0.25 or lower, because the town sits 30-40°F hotter than San Francisco on the same summer afternoon and the cooling load is real. A standard low-E with a SHGC around 0.30 or 0.32 will still let meaningful heat through west-facing windows. We quote the SHGC numbers on paper for each manufacturer line so you can compare exactly. Call (888) 635-0804 for a free estimate on the right spec for your home.
Yes. We match the original muntin profile, bar width, and color on simulated divided lites, then set them over modern low-E glass with a low solar heat gain coefficient. Colonial-revival homes throughout the 94549 zip code, from the Lafayette Reservoir area up to Upper Happy Valley Road, keep their historical look while gaining the thermal performance the original single-pane never had. Call (888) 635-0804 and we will match your existing pattern before you commit.
They fail because the original builder often set an oversized panel with a header that was undersized from day one, and the flashing tape breaks down after a decade or two of Lafayette’s hot, UV-heavy summers. The weight of the glass gradually deforms the opening, the seal breaks, and water finds a path in. We prevent recurrence by checking the structural header before we order glass, correcting it with a written approval if it is undersized, and installing a modern waterproofing detail that handles the Diablo wind-driven rain. Call (888) 635-0804 for a free inspection and estimate.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Lafayette and the Lamorinda corridor with custom window and door work done to The Keystone Standard.



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