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 Gilroy
Custom windows and doors in Gilroy have to hold up against conditions most coastal installs never face: sustained afternoon wind through the Gap, triple-digit summer afternoons, and expansive clay that shifts rough openings season after season. TruePane Windows & Doors installs, replaces, and services Custom Windows & Doors for homeowners here who are done paying for units that fog, bind, or fail before the mortgage is. We’re not a franchise crew passing through. We send background-checked, uniformed technicians who measure every opening twice and register both warranty layers in writing before the truck leaves your driveway. Call (888) 635-0804 for a free estimate.
Why TruePane Windows & Doors Is Gilroy’s Preferred Custom Windows & Doors Company
Most of our Gilroy work comes from referrals. A homeowner on Wren Avenue calls us about a fogged picture window, and within a month the neighbor across the street has our number. That’s how it goes when you’ve been doing this since 2008 and Dale Kessler’s name is still attached to every job. We’re an authorized installer for more than a dozen manufacturer lines, including PGT, CGI, and ES Windows, so when we quote a job we put the options side by side on paper. You see exactly what you’re buying, what each line costs, and how long each warranty runs.
Gilroy homeowners tend to notice the details. They’ve seen the cheap vinyl frames oxidizing on the east side of town. They know what a builder-grade aluminum slider feels like when the track has shifted and the panel won’t latch in the afternoon wind. Our crews understand Gilroy housing stock because they’ve worked on hundreds of these homes: the 1980s tract builds off First Street, the 1990s master-planned subdivisions near Christmas Hill Park, the 2000s infill down Monterey Road. A live person answers every call, 24 hours a day, seven days a week. Not a call center. Not a form. A person who can tell you whether the problem you’re describing is wind load, clay movement, or a seal that gave out early.
Our Custom Windows & Doors Services in Gilroy
We do not sell cookie-cutter openings. If your window is a half-round over a door, an angled trapezoid on a gable, or an oversized glass wall facing the hills, we build to the opening, not around it. Here’s what we handle most often with our Window Replacement in Gilroy:
Oversized Glass Panels
Oversized panels are where the Gilroy Gap wind does its worst work. A panel that spans more than six feet catches wind like a sail, and if the rough opening isn’t shimmed and flashed right, the frame flexes, the seal breaks, and you’ve got fog between the panes within a few seasons. We spec laminated or heat-strengthened glass where the wind load calls for it, anchor frames into LVL shims to counter valley-floor clay movement, and never skip the flexible flashing tape. Most oversized panel jobs in Gilroy run $2,800 to $7,400 depending on glass size, frame material, and structural reinforcement needed.

Custom Shape Windows
Triangles, arches, gable ends, odd trapezoids on older ranch homes near the downtown corridor. These openings were often cut by hand decades ago, and the original units are now single-pane aluminum with glazing compound that has dried and cracked under unfiltered UV. We template every custom shape opening before ordering, so the new unit seats into the existing frame without gaps. A custom shape window in Gilroy typically costs $1,100 to $3,900 installed, depending on the complexity of the shape and the glass package.

Architectural Grilles & SDLs
Simulated divided lites, often called SDLs, give a window the look of true divided light without the thermal penalty of real muntins. We install them on the interior and exterior surfaces of the glass, or just the interior if you want a clean exterior face. On Gilroy’s older Craftsman and Spanish Revival homes, we match existing grille profiles so the new window reads as original to the house. Expect to pay $180 to $450 per window for SDLs depending on pattern complexity and frame color matching.

Commercial Storefront Glazing & Curtain Wall Systems
For commercial spaces along Monterey Road and the downtown blocks, we handle storefront glass replacement, aluminum framing, and curtain wall panel swaps. These systems take the same afternoon wind the houses do, plus solar gain through unshaded south-facing glazing. We schedule commercial work around your business hours and keep the storefront secure and weather-tight at the end of every workday. Storefront glass replacement in Gilroy runs $900 to $3,400 per lite depending on size and whether the framing needs rework. Curtain wall panel replacement typically starts around $2,200 per panel and goes up with access difficulty.

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 Gilroy
We’re factory-authorized for the lines Gilroy homeowners actually ask about: PGT and CGI for Impact Windows & Doors in Gilroy, ES Windows for high-end custom glazing, plus Andersen, Pella, Marvin, Milgard, and Jeld-Wen. When we service a warranty claim, we deal with the manufacturer directly. You don’t chase down a claim number. We stock common replacement seals, weatherstripping, rollers, and glass for the brands above, so most service calls in Gilroy are one-visit. The parts are on the truck when we pull up.
Common Custom Windows & Doors Problems We See in Gilroy Homes
- Afternoon wind through the Gilroy Gap shifting sliding-door tracks. Improperly anchored tracks move within two or three seasons, leaving panels that bind against the jamb or won’t latch. The fix is re-anchoring into LVL shims and re-flashing the rough opening, not just adjusting rollers.
- Expansive valley-floor clay loosening casing fasteners on oversized panels. The clay under Gilroy swells and contracts with seasonal moisture, and that movement telegraphs into window and door frames. Gaps open at jambs, dust blows in, and the unit loses its weather seal.
- UV and triple-digit heat dry-cracking seal glazing on custom shape windows. Silicone and glazing compound bake in the inland sun. Once the seal cracks, moisture gets between the panes and the insulating gas escapes. Fogged IGUs within a decade on a cheap install isn’t a defect of luck. It’s the wrong spec for this valley.
- Fogged insulated glass units showing up within two to four years. This almost always traces back to poor rough-opening prep: missing flashing tape, no back-dam, or a frame set out of square. The glass didn’t fail. The install did. We replace the IGU and fix the opening so the next unit doesn’t follow the same path.
Pricing for Custom Windows & Doors in Gilroy, CA
Most Gilroy custom window and door jobs land between $800 and $7,400 depending on the unit. Here’s what that looks like in practice. A standard custom single window with a specialty shape runs $1,100 to $2,800. An oversized glass panel with structural reinforcement runs $2,800 to $7,400. Architectural grilles or SDLs add $180 to $450 per window. A full-frame replacement on a 1980s tract home adds labor for opening prep, shimming, and flashing, which usually accounts for 15 to 25 percent of the total. We give written line-item quotes before any work starts. No change orders, no surprises on the bill. Call (888) 635-0804 and we’ll walk the job with you, measure the openings, and put the numbers on paper. The estimate is free.
We Also Serve Cities Near Gilroy
Our crews cover Gilroy and the surrounding communities: San Martin, Morgan Hill, Watsonville, and Aptos. If you’re just over the line in San Martin or up the 101 in Morgan Hill, we measure, quote, and install with the same fixed pricing and the same Done Right Promise on every job. Call (888) 635-0804 and we’ll schedule a free estimate for Custom Windows & Doors in Gilroy or any nearby town.
Serving Gilroy, CA - Our Local Coverage Area
We’re based in the Gilroy 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 Gilroy
Yes, for any home within a historic overlay district or subject to downtown design review, Gilroy requires planning review before window or door changes are approved. Replacement in kind, meaning same size and opening configuration, still needs the permit but usually moves faster than a project that changes opening dimensions or exterior appearance. We handle the permit paperwork and the inspection scheduling. Call (888) 635-0804 and we’ll check your address against the city’s overlays before you spend a dollar on materials.
The sustained wind load through the Gap pushes against any panel with more than six feet of exposed glass, and on a tight lot the panel often sits close to a property line where wind funnels between structures. The frame flexes at the jambs, the seal breaks, and the panel fails years before its rated lifespan. The fix is structural: LVL shims into the rough opening, flexible flashing at the jambs and header, and glass rated for the wind zone. Expect to pay $2,800 to $7,400 for an oversized panel done that way. Call (888) 635-0804 for a written quote.
Gilroy’s noise ordinance prohibits construction noise before 7 a.m. and after 7 p.m. on weekdays, with tighter limits on Saturdays and a Sunday prohibition in residential zones. We plan cutting, grinding, and power-fastening work between those hours, and we stage materials the afternoon before so the crew starts quietly at 7 on the dot. On attached homes, we give 72-hour party-wall notice to the neighbor and keep the shared wall dust-free. The schedule and courtesy are part of the quote, not an afterthought.
Fog between the panes means the insulated glass unit seal has failed, and in Gilroy the usual cause is the combination of triple-digit afternoon heat, UV exposure, and wind-driven frame flex. A window installed without proper shimming or flashing moves just enough under load to crack the seal, and once moisture is inside the IGU it cannot be cleaned out. The unit gets replaced, and the opening gets corrected so the next seal doesn’t fail the same way. This is covered under our Done Right Promise if we did the original install. Call (888) 635-0804 and we’ll assess the failure and give you a written answer on the remedy.
Yes. We’ve done full-house replacements on tight lots in the Hacienda Valley neighborhood and throughout the older blocks near downtown where the driveway is one car wide and the street is permit parking. We schedule material delivery in phases, stage glass and frames on the driveway apron or a pre-approved curbside zone, and keep the work area tight to the footprint of the house. The staging plan is built into the quote, along with any city permits needed for a temporary street occupancy. Call (888) 635-0804 and we’ll come look at the access before we quote, so the number you get is real.
Call TruePane for Custom Windows & Doors in Gilroy
If your current windows or doors are binding, fogging, or just tired, call (888) 635-0804. We’ll schedule a free estimate, walk the openings with you, and put a written line-item quote in your hand. No high-pressure close. No vague numbers. Just a square deal from a company that’s been doing this since 2008 and plans to be in Gilroy for the next 30.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Gilroy with custom glazing and door work since 2008.



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