Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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AfterWindow Company in Redwood City, CA
Westlight Windows & Doors is the window company Redwood City homeowners call when they want a written price before the work starts, a real arrival window, and a guarantee in writing. We replace and install windows and doors in a city where the afternoon sun beats down harder than it does in San Mateo or Belmont, and where Redwood Shores homes settle and torque door frames out of square. Call (903) 354-7134 for a free estimate, and we’ll tell you exactly what your job costs before we touch a single screw.
Why Redwood City Homes Are Different
Redwood City’s “Climate Best by Government Test” microclimate means real afternoon heat. Summer afternoons regularly push into the low-to-mid 80s while fog sits over coastal cities to the north, and that solar heat gain through unshaded west- and south-facing glass drives cooling costs year after year. A low-SHGC dual-pane upgrade (SHGC, or solar heat gain coefficient, measures how much sun heat passes through the glass) is a functional fix here, not an upsell. Overnight marine air still rolls in, and that daily thermal cycling degrades insulated glass seals faster than either a purely warm or purely cool climate would.
The housing stock tells the rest of the story. Near downtown and Fair Oaks, early-20th-century Craftsman and Victorian homes still carry original single-pane wood-sash windows and aluminum frames. The east side is full of 1940s-60s stucco tract homes with the same original aluminum. And out in Redwood Shores, the 1970s-80s planned development built on bay-mud fill has a problem all its own: differential foundation settlement that racks door frames and window rough openings out of square. We routinely budget an extra hour just to re-plumb and re-square openings in Redwood Shores before setting new frames, a step hillside Emerald Hills homes on serpentinite bedrock almost never need.
Our Main Redwood City Services
The two jobs Redwood City homeowners call about most are window replacement and door installation, with window installation close behind. Here’s what each involves in this city specifically.
Window Replacement in Redwood City
Replacing windows in Redwood City means matching the right glass to the right elevation. West-facing windows take the brunt of the afternoon heat, so we recommend low-SHGC glass there, while north-facing windows can use a higher solar gain to catch winter light. Older Craftsman and Victorian homes often need custom sizing because the rough openings were built before standard window sizes existed. We carry eight manufacturer lines, including PGT, CGI, and ECO Window Systems, so we match the product to the house rather than forcing the house to fit one brand. See Window Replacement in Redwood City for full pricing and process details.
Window Installation in Redwood City
New-construction and addition window installation in Redwood City has to account for the microclimate from day one. We flash and seal for the thermal cycle of warm afternoons and damp overnight marine air, which is what keeps water out of the wall cavity years later. In Redwood Shores, installation almost always includes re-squaring rough openings before the frame goes in, because bay-mud settlement has torqued openings in ways a level and a 4-foot straightedge reveal immediately. Read the full breakdown at Window Installation in Redwood City.
Door Installation in Redwood City
Door installation here spans everything from a Craftsman front door near downtown to a sliding glass door in a Redwood Shores rancher. The Redwood Shores work is the wildcard: we routinely re-plumb and re-square door frames before setting anything, because the foundation under those homes moves enough to throw a door out of alignment within a few years if it was set square originally. We install Therma-Tru entry doors and ViewLux patio doors, and every job gets the same written price and written guarantee. Details at Door Installation in Redwood City.
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 Redwood City
We install products from PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. Parts for these lines are stocked locally, so a warranty part or replacement sash doesn’t wait on a slow freight shipment. See our brands for the full lineup and what each is best at.
Pricing for Window Company in Redwood City, CA
| Service | Typical range in Redwood City |
|---|---|
| Window replacement (per opening) | $650-$1,800 installed |
| Full-home window replacement | $9,000-$32,000 |
| Window installation (new construction) | $350-$900 per opening |
| Interior door installation | $400-$1,200 per door |
| Exterior door installation | $900-$3,500 per door |
| Sliding glass door installation | $1,800-$5,500 |
| French door installation | $2,500-$7,000 |
| Patio door installation | $2,000-$6,500 |
| Front door installation | $1,200-$4,800 |
Prices push toward the top of these ranges in Redwood City when a Redwood Shores opening needs re-squaring before the frame goes in, or when a Craftsman home requires custom sizing for non-standard rough openings. Whatever the number is, you get it in writing before any work starts, and that number does not change at the door.
Neighborhoods We Serve in Redwood City
Our crews work throughout Redwood City, from the older downtown core to the Redwood Shores lagoons. Scheduling is straightforward: we give you a committed arrival window and show up in it.
- Downtown Redwood City
- Fair Oaks
- Redwood Shores
- Emerald Hills
- Woodside Plaza
Service Area – Cities Near Redwood City
We also serve homeowners in the surrounding Peninsula communities. If you’re in Atherton, CA, Menlo Park, CA, San Carlos, CA, or Palo Alto, CA, the same written pricing and written guarantee apply. Call for details on scheduling in your area.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood City 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 Redwood City
Most window and door replacements in Redwood City require a building permit, and we pull it for you. We handle the permit, schedule the inspection, and make sure the work passes. Your written estimate includes the permit cost, so there are no surprise fees later.
We commit to an arrival window at the time of booking and show up in it. Scheduling depends on product lead times and current crew availability, but we answer the phone 24 hours a day, 7 days a week, and we’ll tell you the next available window on the first call.
Yes. We work in every Redwood City neighborhood, plus nearby cities like Menlo Park, San Carlos, Atherton, and Palo Alto. If your home is within the service area, we’ll come out, measure, and give you a written price before any work begins. Call (903) 354-7134 to schedule 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 Redwood City 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