Custom Windows & Doors in Los Altos, CA | TruePane Windows & Doors - TruePane Windows & Doors

Custom Windows & Doors in Los Altos - Free In-Home Measure, Written Price

Free in-home measure and an exact written price before anything is ordered. Energy-rated units, professional installation by our own crews, and a workmanship warranty on the install.

Call to schedule your free estimate

784+
Cities Served
Free
Written Quotes
Licensed & Insured Written Quotes Free Estimates All Brands Satisfaction Guarantee
Every visit starts with

Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style

Styles & brands we work with

Single hungDouble hungHorizontal roller

Casement
Casement
Bay & bow
Bay & bow

Sliding glass doors

Entry doors
Entry doors

Impact garage doorsPGTCGI

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Fast, Reliable Custom Windows & Doors Across Los Altos

Custom windows and doors in Los Altos run from $1,800 for a single custom arch-top window to $28,000-$65,000 for a Fleetwood multi-panel slider wall or oversized glass installation, and most ranch-home projects fall between $12,000 and $38,000 depending on glass spec, county setback work, and frame condition. 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 planning a whole-home fenestration replacement on a 1950s or 1960s Los Altos ranch, call (888) 635-0804 and we’ll walk the property first. Not a sales call. A measurement call.

Call (888) 635-0804

Why TruePane Windows & Doors Is Los Altos’s Preferred Custom Windows & Doors Company

Los Altos is not a place where you can cut corners on a window install and expect the phone to stop ringing. The ranch homes off Foothill Expressway, the shaded lots up toward the Los Altos Hills border, and the older streets near downtown demand finish work that matches the home’s value. Our technicians work in Los Altos weekly, know the 94022 permit environment, and have pulled more county-level scopes for septic and well setbacks than most crews see in a decade. A live person answers our phone 24 hours a day. Dale Kessler founded TruePane on a rule that still governs every install: if the pane is not true, the job is not done.

Background-checked, uniformed technicians measure every opening twice. We quote Andersen, Pella, Marvin, Milgard, PGT, and CGI lines side by side, in writing, with durations stated. Our Custom Windows & Doors team has built its Los Altos reputation on clean frame work, straight reveals, and a Done Right Promise that has never required a homeowner to argue. Los Altos customers call because the last company left a fogged seal and a slider that bound in July. We stand behind it.

Our Custom Windows & Doors Services in Los Altos

Oversized Glass Panels

Los Altos acreage and ranch homes routinely call for picture windows 8 to 12 feet wide, and the engineering is not the hard part. The access is. We pre-stage materials along gravel drives, plan crane reach around mature oaks and septic lines, and set 12-foot insulated glass units without crossing leach fields or well easements. A typical oversized panel installation in Los Altos runs $4,200-$12,500 per unit including structural header work, Title 24 glass, and clean finish trim.

Oversized Glass Panels

Custom Shape Windows

Ranch homes on the east side of Los Altos often have radius-top front windows, clipped corners, or full-width picture glazing that no stock unit matches. We template every opening, order true custom shapes from CGI, ES Windows, and CWS, and handle the jamb work that comes with 60-year-old framing. Custom shape windows in Los Altos typically run $1,800-$6,400 per window depending on the glazing package and whether the original frame can be salvaged or must be reframed.

Custom Shape Windows

Architectural Grilles & SDLs

Simulated divided lites are standard on Los Altos ranch front elevations, but the quality differences between extruded aluminum SDLs, glass-bonded grilles, and snap-in plastic are not visible in a brochure. We spec true SDLs that live between the glass panes with the frame profile matched to the manufacturer line you choose. A full ranch front elevation with architectural grilles and SDLs adds $90-$210 per sash, and we show you samples on site before the order goes in.

Architectural Grilles & SDLs

Commercial Storefront Glazing

Los Altos’s small commercial districts along Main Street and State Street hold a different set of rules: ADA clearances, tempered glass in door lites, and county fire-rated requirements for certain assemblies. We scope storefront glazing and curtain wall replacements with the same written warranty registration as our residential work. Most commercial storefront packages in Los Altos run $9,500-$38,000 depending on lineal footage, glass spec, and whether the mullions can be retained.

Commercial Storefront Glazing
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (888) 635-0804

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Trusted Brands We Service in Los Altos

We are an authorized installer for more than a dozen manufacturer lines, and for Los Altos ranch stock we most often quote for wood-clad replacements, with Fleetwood, PGT, and CGI for modern slider walls and impact-rated glass. When a Los Altos homeowner wants side-by-side comparison of three manufacturers on paper before committing, we bring the spec sheets and the samples to the kitchen table. No brand is pushed. The Keystone Standard means both warranty layers are registered in writing, with durations stated, before the truck leaves your driveway.

Common Custom Windows & Doors Problems We See in Los Altos Homes

  • Bowed aluminum slider tracks from morning condensation. The marine-influence fog that hangs over Los Altos in summer months collects on original 1960s anodized frames, corrodes the track, and leaves the door binding by late July. We routinely find rough openings that have moved 3/8 inch out of square, which means a slider replacement becomes full-frame work.
  • County setback conflicts discovered too late. On larger Los Altos lots, especially those in unincorporated Santa Clara County, a proposed oversized glass wall or patio door often violates septic or well clearances. We check the county parcel map before the first cut, so redesigns happen on paper, not after materials are ordered.
  • Original single-pane picture windows with seal failure. Those full-width front windows on 1950s Los Altos ranches were handsome in 1962, but the aluminum is now pitted and the condensation between panes never clears. Roof overhangs and wide eaves make direct glazing replacement tricky; the framing often needs reinforcement for modern dual-pane weight.
  • Long material hauls to rear additions. Los Altos lots with detached studios, shops, or ADUs require delivering 10-to-14-foot glass through side yards, over septic fields, or around mature oaks. We pre-plan the material path and crane position before the order, which is why our quotes account for access at the walkthrough, not as a surprise line item later.

Los Altos Acreage, County Permitting, and What It Changes

Here is something most window companies will not tell you until the stop-work order arrives: many Los Altos homes sit in unincorporated Santa Clara County pockets, not inside city limits. That means your window and door project may trigger county permitting, not city review. County setback rules, septic tank clearances, and well easements routinely shape window and door placement in ways neighboring cities like Palo Alto or Mountain View never consider. A sliding glass wall that fits easily on one lot may violate a leach-field setback on the next. We pull the county parcel data before we quote, because re-scoping a project after materials are ordered is the expensive way to learn zoning.

We scoped a full custom glazing package for a 1960s ranch on a two-acre lot near the Los Altos Hills border, where the original anodized aluminum sliders had bowed tracks from decades of morning condensation. Because the property relied on a septic system and a private well, our crew had to position the new Fleetwood multi-panel slider and oversized picture window to maintain required setbacks from the leach field, and we pre-staged materials along the gravel drive so the crane could set the 12-foot insulated glass units without crossing the septic lines. That is the kind of planning that does not show up on a line-item estimate but shows up on day one of the install.

Pricing for Custom Windows & Doors in Los Altos, CA

Los Altos pricing starts where stock-window pricing ends. A single custom shape window runs $1,800 to $6,400. Architectural grilles and SDLs add $90-$210 per sash. An oversized picture window with structural header work lands between $4,200 and $12,500. Full whole-home ranch replacements in the 3,000-square-foot range typically fall between $28,000 and $75,000, with Fleetwood slider walls and NanaWall folding systems pushing the upper end. The biggest variables in Los Altos are not glass costs; they are county setbacks, rough-opening distortion from bowed aluminum frames, and material access across septic fields. We give written, line-item pricing and register both warranty layers before any work starts. Call (888) 635-0804 to schedule a free walkthrough and get an exact quote.

We Also Serve Cities Near Los Altos

TruePane works throughout the southern Bay Area, and our crews cover Mountain View, Stanford, Palo Alto, and Menlo Park with the same county-aware scoping and written warranty registration. If your property sits near the Los Altos Hills border or on an unincorporated county parcel, we handle the permit path as part of the quote. For the full picture of our work across the Bay Area, see Custom Windows & Doors in Los Altos and the surrounding communities we serve.

Serving Los Altos, CA - Our Local Coverage Area

We’re based in the Los Altos 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 Los Altos

Why Los Altos Chooses TruePane Windows & Doors

We set the standard for custom windows & doors in Los Altos.

Factory-Direct Pricing

Authorized partner pricing with no distributor markup - premium aluminum systems at wholesale-anchored rates.

Engineered to Order

Any shape, size, or specification, fabricated to your exact opening with one-on-one engineering support.

Certified Installation

Set level, plumb, and square to AAMA standards in Los Altos - warranty-safe, every time.

How It Works in Los Altos

Getting your custom windows & doors handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your custom windows & doors needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Los Altos - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What Los Altos Customers Say

Trusted by homeowners across Los Altos and surrounding areas.

★★★★★

"French doors to the patio, custom size because this house was built in 1961 and nothing is standard. Measured twice, three weeks to fabricate like they warned, and the install day they laid runners over my floors without being asked."

Marie S. · Verified customer
★★★★★

"Our bay window had rotted at the sill and two other outfits wanted to talk us into a flat picture window instead. TruePane rebuilt the opening and matched the original look. Neighbors have knocked on the door about it."

Gene A. · Verified customer
★★★★★

"Two entry doors. Showed up when they said, second day was a half day like they said, and the painter they recommended confirmed the frames were dead plumb. The financing was explained in actual dollars, not a brochure."

Janet R. · Verified customer

Current Offers

Bring these savings to your next appointment.

Free On-Site Estimate & Written Quote

No obligation. We measure, price the job in writing, and the quote is yours to keep.

Expires Dec 31, 2026
5%

Senior & Veteran 5% - Always

Expires Dec 31, 2026

Ready for Custom Windows & Doors in Los Altos?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in Los Altos.

(888) 635-0804

Request a Free Estimate in Los Altos

Tell us about your custom windows & doors needs - we'll respond within the hour.

By clicking submit, you accept our Privacy Policy and authorize us to contact you by phone, text, or email regarding your project, including by the service partners who may complete the work.

Prefer to text? Text Now
Areas We Serve
Call Now - 24/7 Dispatch