Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Window Company in Westminster, CA
Most window and door projects in Westminster run $380 to $1,400 per opening depending on whether it’s a standard vinyl replacement or a custom fiberglass install with tempered glass. We carry eight manufacturer brands and stock common sizes locally, so most Westminster homeowners get a written quote the same day we measure. Call (562) 478-8017 to schedule your free estimate.
Westminster sits in that narrow zone where coastal salt air meets inland heat, and the housing stock tells the story: thousands of post-war tract homes built from the 1950s through the 1970s, many still running original aluminum single-pane sliders or jalousie windows that corrode faster here than they would in drier inland cities. Our crews know the difference between a Bolsa Avenue commercial security install and a quiet residential replacement on a street where kids nap in the afternoon. We dispatch from our Los Angeles office and serve Westminster homes and businesses directly.
Why Westminster Homes Are Different
The marine layer pushes five to six miles inland from Huntington Beach, carrying enough salt and humidity to pit aluminum frames and seize exterior door hardware within fifteen to twenty years. That’s why we see so many Westminster homes with windows that worked fine in drier climates but are now stuck shut or drafty. The oxidation isn’t just cosmetic; it degrades the thermal break in older aluminum frames and lets conditioned air escape.
Westminster’s Little Saigon corridor along Bolsa Avenue creates a parallel market most contractors miss. Hundreds of tightly packed restaurants, jewelry stores, and nail salons need laminated safety glass storefronts and heavy-gauge security roll-up doors, not residential-grade hardware. Our technicians who work that corridor carry different stock than crews on residential calls. The Vietnamese-American homeownership base in surrounding neighborhoods drives active renovation cycles, but many homes still run original single-track aluminum sliders or jalousie windows from the 1960s and 1970s. California Title 24 compliance pressure is now shifting the replacement timeline, homeowners who once waited for physical failure are upgrading for energy code compliance on permitted projects.
Our Main Westminster Services
Westminster homeowners call us most often for three projects: swapping out failed original windows, installing new openings in additions or remodels, and replacing exterior doors that no longer seal or secure properly.
Window Replacement in Westminster
We remove the original aluminum single-pane sliders or jalousie windows common in Westminster’s 1950s-1970s tracts and install modern insulated units that stop the drafts and cut outside noise. Marine-layer corrosion means we often find degraded frame flanges and water intrusion into the rough opening, so we inspect and repair surrounding structure before the new window goes in. Our crew uses drop cloths and shoe covers, and we photo the clean-up before we leave. Window Replacement in Westminster covers our full process and pricing.

Window Installation in Westminster
New-construction and addition work in Westminster requires Title 24-compliant U-factor and SHGC ratings that differ from replacement standards, plus proper flashing for our occasional driving winter rains. We coordinate permit pulling and inspection scheduling, and we explain the exact code requirements before work starts so there are no surprises at final. Window Installation in Westminster details our new-opening process.

Door Installation in Westminster
We replace rotted or corroded entry doors, install patio sliders with tempered glass for backyard access, and fit security-grade commercial entries for Bolsa Avenue businesses. Salt-air degradation hits hinges, thresholds, and multipoint locks hard here, so we specify hardware rated for coastal exposure. Door Installation in Westminster has our full door lineup and pricing.

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 Westminster
We stock and install CGI, CWS, ES Windows, and ECO Window Systems products, with common sizes and hardware kept locally for faster turnaround on standard Westminster openings. For our full manufacturer lineup and specification guidance, see our brands.
Pricing for Window Company in Westminster, CA
| Service | Typical range in Westminster |
|---|---|
| Standard vinyl window replacement | $380 – $650 |
| Mid-grade fiberglass window replacement | $720 – $1,100 |
| Custom or oversized window replacement | $1,100 – $1,400 |
| New-construction vinyl window install | $450 – $780 |
| New-construction fiberglass window install | $820 – $1,250 |
| Standard entry door replacement | $850 – $1,600 |
| Patio slider door replacement | $1,200 – $2,400 |
| Security/commercial door install | $1,800 – $3,500 |
| Title 24 compliance upgrade (permit included) | Add $180 – $320 |
| Rot repair / structural framing (per opening) | $240 – $580 |
Westminster prices run slightly above inland Orange County for two reasons: marine-layer corrosion often requires more extensive frame repair than expected, and Title 24 compliance documentation adds permit and inspection coordination. We put every price in writing before any work starts, with no change orders unless you add scope.
Neighborhoods We Serve in Westminster
We work across Westminster’s full residential and commercial footprint, from the Bolsa Avenue corridor to the quieter post-war tracts near the Santa Ana River. Most appointments are scheduled within two business days, with emergency board-up available for compromised openings.
- Little Saigon / Bolsa Avenue corridor
- Westminster Village
- Meadowlark
- Liberty Park
- Shoreline Village area
Service Area – Cities Near Westminster
Our crews serve the central Orange County window and door market from Midway City, CA to the north, Huntington Beach, CA to the southwest, Stanton, CA to the east, and Fountain Valley, CA to the southeast. Dispatch and scheduling are coordinated from our Los Angeles office.
Serving Westminster, CA - Our Local Coverage Area
We’re based in the Westminster 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 Westminster
Yes. We handle permit applications and schedule inspections for any Westminster project that requires them, including all Title 24 compliance documentation. Most standard same-size replacements qualify as repair and do not need permits; we tell you upfront which category your job falls into. Call (562) 478-8017 to discuss your specific project.
We typically schedule estimates within two business days for standard requests. Emergency board-up for broken or compromised openings is faster. A live person answers our phone 24/7 to coordinate timing.
Most Westminster HOAs require pre-approval for exterior changes, and we provide product cut sheets, color samples, and specification documents for your application. We do not start work until you confirm HOA approval is in hand, so there is no risk of a stop-work order mid-project. Call (562) 478-8017 and we’ll walk you through what your board typically requires.
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 Westminster Customers Say
"Lovely windows and a tidy install. One window came in a couple weeks late from the factory, so that opening finished after the others. They kept me posted and the rest was spotless."
- Mia Donnelly"Quiet, considerate install of several windows. They cleaned the glass and the sills and vacuumed every room. You'd never know a crew had been through. House is quieter and brighter."
- Brent Sakamoto"New patio slider. Clean install, they protected the floor and hauled off the old door. Quiet, polite crew that worked around my work calls without complaint."
- Andre Bellamy










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