Westlight Windows & Doors windows & doors team

Window Company in Brentwood - 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.

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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 hung
Single hung
Double hung
Double hung
Horizontal roller
Horizontal roller
Casement
Casement
Bay & bow
Bay & bow
Sliding glass doors
Sliding glass doors
Entry doors
Entry doors
Impact garage doors
Impact garage doors
PGT
PGT
CGI
CGI

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

Window Company in Brentwood, CA

Westlight Windows & Doors is the Brentwood window and door company built for the way homes actually age here. Most of Brentwood’s housing stock was built in a single wave between 1995 and 2008, and those homes are now hitting the 20 to 25 year mark at the same time. That means warped builder-grade vinyl, blown dual-pane seals, and sliding doors that bind in their tracks are showing up block by block, and we see the same failure patterns from Trilogy to Shadow Lakes. If your Brentwood windows are fogged, hard to lock, or letting the afternoon heat pour in, call us at (903) 354-7134 and we’ll give you a straight answer. You can read more about the work we do on our home page.

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Why Brentwood Homes Are Different

Brentwood sits at the inland end of the Delta corridor, where summer highs over 105°F meet the daily afternoon Delta breeze. That combination is hard on windows in a way coastal or even Tri-Valley contractors don’t see. The original windows on most Brentwood tract homes are low-grade vinyl double-pane units with argon fills that have long since migrated out. Thermal stress flexes the frames. The Delta wind pushes against the seals. On west- and south-facing elevations, especially in Deer Ridge and the newer subdivisions on the north and east edges, we regularly find builder vinyl that has warped enough that the sash no longer locks. You can’t fix that by adjusting the hardware, because the frame itself has changed shape. Sliding patio doors, often the original aluminum-framed units, wear at the track and rollers at a rate that surprises people who haven’t lived through a Brentwood summer. The good news is the work doesn’t require a custom approach; it requires the right replacement product matched to the exposure.

Our Main Brentwood Services

Brentwood homeowners call us most often about two things: replacing windows that have failed in the heat, and getting a front or patio door that actually seals. Here’s what each job involves in Brentwood specifically.

Window Replacement in Brentwood

Replacement work in Brentwood usually means pulling out builder vinyl and aluminum from the 1995 to 2008 tract-home wave and putting in a product rated for inland Delta heat. We measure every opening, because two-story stucco elevations in subdivisions like Trilogy can settle slightly over 20 years, and you don’t want a frame forced into an opening it doesn’t fit. We carry impact-rated and energy-efficient lines so the replacement matches the exposure, not just the opening. See the full scope on our Window Replacement in Brentwood page.

Window Replacement in Brentwood

Window Installation in Brentwood

Installation in Brentwood means new-construction and addition work, or pulling windows for a remodel, and the sharp end here is flashing and sealing against the Delta wind. A window that looks fine on install day can leak at the head or sill inside two summers if the flashing isn’t lapped right for a house that takes wind-driven rain. We use the same product lines we stock for replacement work, so you’re not limited to whatever a supplier happens to have. Details are on the Window Installation in Brentwood page.

Window Installation in Brentwood

Door Installation in Brentwood

Brentwood entry doors take direct afternoon sun on one side and Delta wind on the other, which is why we fit a lot of Therma-Tru entry systems and properly flashed sills. A door that binds in its frame here usually isn’t a hinge problem; it’s the slab or the jamb moving as temperatures swing. We check the rough opening, the threshold height, and the weatherstripping before we set anything. Read the full breakdown on our Door Installation in Brentwood page.

Door Installation in Brentwood
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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.

Brands We Service in Brentwood

We install ViewLux, PGT, CGI, and CWS among our full lineup, and we keep common parts stocked for the brands Brentwood homes already have. That means less waiting when a sash or balance needs replacing. See our brands page for the full manufacturer list.

Pricing for Window Company in Brentwood, CA

These are the ranges we most often quote in Brentwood. Every customer gets a written price before any work starts, and that price doesn’t change at the door.

Service Typical range in Brentwood
Single window replacement $700-$1,400 installed
Full-home window replacement (10-15 windows) $9,000-$18,500 installed
Standard sliding patio door replacement $2,300-$4,800 installed
Front door replacement (fiberglass or steel) $2,000-$4,500 installed
Vinyl window installation (new construction) $450-$950 per opening
Aluminum window installation (new construction) $600-$1,250 per opening
Exterior French door installation $3,000-$6,200 installed

Two things push Brentwood prices up. The first is access: many two-story stucco homes need a taller ladder and more careful flashing work than a single-story ranch. The second is exposure: west- and south-facing elevations with direct afternoon sun should get a better glass package, and we price that honestly rather than selling you a unit that will fail the same way the last one did. Owen Satterfield and the team at Westlight put every number in writing before any work begins, and that written price is the Kingswell Guarantee in practice: no surprises on install day.

Neighborhoods We Serve in Brentwood

We work across Brentwood’s subdivisions, from the older streets near downtown to the newer master-planned communities where the housing stock is just starting to show its age on west-facing exposures. Most estimates in Brentwood can be scheduled within a few days, and we hold the arrival window we give you.

  • Trilogy
  • Deer Ridge
  • Shadow Lakes
  • Downtown Brentwood
  • North and east subdivision edges along Sand Creek

Service Area – Cities Near Brentwood

Westlight serves Brentwood and the surrounding East Contra Costa communities, including Oakley, CA, Discovery Bay, CA, Antioch, CA, and Clayton, CA. If you’re in one of those cities, the same written-price guarantee and live-answer phone line apply.

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 About Window Company in Brentwood

Ready to get started? Free estimates · Free in-home estimates response in Brentwood
Call (903) 354-7134

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local windows & doors pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Brentwood Customers Say

★★★★★ 5.0 from 5+ reviews

"Two bedroom windows that never opened and one that wouldn't stay up. All replaced in an afternoon. The crew was clean, hauled off the old frames, and the quote held."

- Colette Rhee

"Got quotes from three companies. Westlight wasn't the cheapest but they were the only one who measured everything carefully and put it all in writing. Worth it. No surprises on install day."

- Craig Dillard

"Our sliding patio door had come off its track years ago and we just lived with it. New one is smooth as butter. They hauled off the old one and vacuumed up before they left."

- Jessica Landry

How It Works in Brentwood

Getting your windows & doors handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your 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 Brentwood - 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.

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Written Price Before Any Work Starts

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Written Guarantee on Every Repair

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Free Second Visit if the Repair Fails

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