Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Window Company in Hayward, CA
Window and door work in Hayward comes with a challenge most Bay Area contractors never see: the Hayward Fault runs directly beneath the city’s eastern hills, and its slow, constant creep gradually racks door frames and window openings out of square. Combine that with 50-to-70-year-old aluminum windows in post-WWII ranch homes and salt-heavy marine air on the flatlands, and you get a very specific set of problems. We’re Westlight Windows & Doors, an independently owned and operated Kingswell location, and we approach every Hayward job around those realities. Call (903) 354-7134 to talk through what’s going on at your place.
Why Hayward Homes Are Different
Most of Hayward’s housing stock went up between the late 1940s and early 1970s, during the East Bay’s big suburban push. These are single-story ranches with original single-pane aluminum windows and early sliding glass doors. Fifty to seventy years later, those aluminum frames are corroded, the seals are shot, and they fall far below California’s current Title 24 energy standards. That’s why full-frame replacement, not insert work, is the standard job here. You’re not slipping new glass into an old frame; you’re rebuilding the opening.
The fault adds another layer. Aseismic creep moves the ground continuously, which means rough openings that were square in 1965 are often out of plumb now. Streets like D Street through the hills show the offset curbs and cracked foundations that trace the fault line. Homes up there need custom shimming, trimmed jambs, and adjustable hinges just to get a door to close weathertight, and the fix can drift again within a decade. Flatland homes west of Highway 880 get their own punishment: marine-layer fog and salt-laden air that eat aluminum frames and door hardware faster than expected.
Our Main Hayward Services
Hayward homeowners call us most about two things: replacing old aluminum windows that leak air and daylight, and installing doors that no longer close square because the ground has shifted. Each service has its own Hayward page with full pricing and process details.
Window Replacement in Hayward
In Hayward, window replacement usually means pulling out the entire old aluminum unit, frame included, and setting a new one into a rough opening that may have crept out of square. We’re used to that. We carry vinyl and fiberglass lines that handle the west side’s salt air and the hills’ heat better than aluminum ever did. Low-e glass (a thin coating that helps keep heat in during winter and out during summer) makes a measurable difference in foggy flatland bungalows and sun-baked hillside ranches alike. Window Replacement in Hayward covers exact pricing and what a typical replacement day looks like.

Window Installation in Hayward
Window installation in Hayward is really about fit. When the rough opening has shifted, even a brand-new window leaks if the installer doesn’t shim and seal it correctly. Fault-trace homes need more than a bubble level; they need someone who reads the opening itself. New-construction and full-frame installs on additions face the same issue. We square what we can, shim what we can’t, and air-seal everything before trim goes on. Window Installation in Hayward walks through how we handle out-of-plumb openings and when an adjustable hinge or custom jamb is the right call.

Door Installation in Hayward
Door installation here is rarely a simple swap. A door that bound at the top last year may bind at the bottom this year because the ground is still moving. In the hills, we regularly install entry and patio doors with adjustable hinges and deeper shim points so the slab can be re-trued later without pulling the frame. On the foggy west side, door hardware corrodes faster, so we steer those homeowners toward finishes and materials that hold up to salt air. Door Installation in Hayward breaks down what’s involved and what it costs.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Hayward
We stock and install from eight manufacturer lines so the right product gets matched to the job, not the other way around. For Hayward’s mix of fog and heat, we lean on ECO Window Systems for energy performance, CGI and CWS for impact-rated strength, and ES Windows for clean aluminum-style sightlines that don’t corrode like the originals. See our brands for the full lineup.
Pricing for Window Company in Hayward, CA
| Service | Typical range in Hayward |
|---|---|
| Single window replacement (vinyl, standard size) | $450 – $900 installed |
| Single window replacement (fiberglass or premium) | $800 – $1,400 installed |
| Full-frame window replacement (per opening) | $900 – $1,800 installed |
| New-construction window installation | $350 – $800 per window |
| Sliding glass door replacement | $1,500 – $3,200 installed |
| Entry door installation (standard pre-hung) | $900 – $2,100 installed |
| French or double door installation | $1,800 – $3,800 installed |
| Patio door installation (sliding or hinged) | $1,200 – $3,000 installed |
Hayward pricing gets pushed upward by two local factors: full-frame work on out-of-square openings and hillside access that slows delivery and setup. The Kingswell Guarantee means you get a written price before any work starts, a committed arrival window, a clean job site, and a written guarantee on the completed work. We don’t revise quotes at the door.
Neighborhoods We Serve in Hayward
Westlight covers all of Hayward, from the flatland streets near the San Mateo Bridge up into the hills where the fault trace changes how doors hang. Crews are dispatched locally and typically reach most Hayward homes the same day you call.
- Glen Eden
- Fairview
- Burbank
- Mission-Garin
- Tennyson
Service Area – Cities Near Hayward
Beyond Hayward, our crews serve the Tri-Valley and East Bay suburbs with the same written-price promise. That includes Dublin, CA, Pleasanton, CA, San Ramon, CA, and Livermore, CA. If you’re on the edge of Hayward and unsure which page applies, call us and we’ll sort it out.
Serving Hayward, CA - Our Local Coverage Area
We’re based in the Hayward 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 Hayward
Yes. When Hayward requires a permit for a full-frame replacement or a door opening change, we pull it and handle the inspection. Many like-for-like replacements don’t need one, and we’ll tell you which applies to your job. Call (903) 354-7134 and ask.
Most Hayward calls for an estimate are scheduled within a few business days, and crews working in Hayward can usually reach a job site the same day once work is scheduled. We give you a committed arrival window in writing before any work starts. Call (903) 354-7134 to check current availability.
No. The Kingswell Guarantee puts your written price in your hand before any work begins, and we don’t revise it at the door. If we find something unexpected inside the wall, we stop, show you, and agree on the next step in writing first. Call (903) 354-7134 for a free estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Hayward Customers Say
"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"Replaced eight drafty old windows that were basically single pane. The house is warmer already and the street noise is way down. Crew was on time both days and the price was exactly the quote."
- Harold Bemis










Before
After
Before
After
Before
After