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CGIFree in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Get your free estimateFast, Reliable Window Installation Across Westminster
Window installation in Westminster, CA typically runs $450 – $1,100 per opening for most retrofit jobs, and the work usually takes one day once materials arrive. If you live west of Beach Boulevard, the salt air is eating your aluminum frames faster than you’d expect. We know because we see it every week in the tract homes off Westminster Boulevard and Bolsa Avenue. Call (562) 912-3327 and we’ll put a written price in your hands before anything gets touched.
We’re Window Installation crew that works Westminster neighborhoods from the 92683 ZIP over to the Little Saigon stretch of Bolsa. Keith Yamada leads our team, and he still walks job sites himself. Dispatch and scheduling are coordinated from the brand’s Los Angeles office; crews serve Westminster locally.
Why Lightwell Windows Long Beach Is Westminster’s Preferred Window Installation Company
Westminster homeowners call us because we understand what original single-pane aluminum windows do after six decades of marine layer. Condensation on cool mornings, corrosion on the hardware, rollers that seize until the sash won’t budge. Those are Westminster problems, and we’ve been solving them since we opened as part of the Cedarwell network in 2010.
Every crew member is background-checked and uniformed, so you know who’s at your door before they knock. They follow our C.A.R.E. values on every visit: Clean up like it’s our own home, Ask before moving anything, Respect your family’s time and quiet hours, Explain the price before any work begins. Shoe covers and drop cloths go down before tools come out, and we take a photo of the clean-up before we leave. If your kids are napping, we work quieter. If your dog is anxious, we let you move them to a back room before we start cutting.
The 365-Day Done Right Promise covers every install we do in Westminster. If the finished work isn’t right, we make it right. No debate, no countdown clock.
Styles & brands we work with










Window Installers in Westminster
Window Installers in Westminster handle a specific kind of job that national crews often get wrong. Our work here centers on replacing original aluminum windows in 1950s-1970s ranch and tract homes, where the rough openings vary by up to 3/4 inch from one window to the next. A crew that doesn’t account for that will leave you with gaps, drafts, and a window that never sits square.
Retrofit installation in Westminster typically runs $450 – $850 per opening for a standard single or double hung unit. When we’re pulling out a corroded aluminum slider and reframing the jamb to plumb, expect $700 – $1,100 per opening depending on size and condition. Every quote is written before we start, and the number on that paper is the number on your invoice.
Retrofit vs Full-Frame Replacement
Most Westminster ranch homes are good candidates for retrofit installation, which means the new window goes into the existing frame. It’s faster and less invasive. But if the original frame is rotted or the rough opening is badly out of square, we recommend full-frame replacement. The difference is about $250 – $350 more per opening, and we’ll tell you which path makes sense before you commit to anything.
Stucco Flashing Done Right
Westminster homes are mostly stucco exteriors. If flashing isn’t stepped properly to shed water away from the marine-layer moisture, the stucco cracks around the opening within a few seasons. Our installers cut back the stucco cleanly, install the flashing in layers, and seal everything before re-texturing so the new window looks like it was always there.
Casement Windows in Westminster
Casement Windows in Westminster are a natural upgrade for homes where salt air has destroyed the original sliders. A casement window cranks outward and seals tight against the frame when closed, which means less air infiltration than a sliding sash, especially on those foggy mornings when the marine layer hangs over the 92683 ZIP.
Casement installation in Westminster runs $600 – $1,100 per opening depending on size, frame material, and whether we’re doing a retrofit or full-frame replacement. It’s a little more than a double hung because the hardware is more involved, but the seal is worth it in this climate.
Salt Air and Hardware Longevity
West of Beach Boulevard, salt air accelerates corrosion on any exposed metal. Casement hardware lives inside the home when the window is closed, which means the crank mechanism and hinges stay protected longer than exterior slider tracks. When we install casements in Westminster, we use stainless steel hardware specified for coastal exposure. Keith has seen too many zinc-plated hinges turn to white powder within two years.
Impact-Rated Options for Ranch Homes
If you want impact-rated casements that still look appropriate on a 1960s ranch, PGT makes a line that works well in Westminster. We replaced a set of original single-pane aluminum sliders in a home off Bolsa Avenue with PGT impact-rated casement windows. Our tech found the old sash rollers seized from salt corrosion and the tracks out of square, so we reframed the jambs to plumb before installing low-E insulated glass units. The house keeps its mid-century lines and the windows actually open now.
Trusted Brands We Service in Westminster
We carry eight manufacturer brands, and that matters in Westminster because not every brand holds up equally west of Beach Boulevard. PGT makes impact-rated products that handle coastal conditions well. ViewLux is a strong choice for homeowners who want thermal performance without paying a premium. Therma-Tru covers the entry door side of the job when you’re replacing a slider with a hinged door. The recommendation fits your home, not whatever brand we happen to prefer this quarter. We also keep common hardware and parts stocked for the brands we carry, which means faster turnaround when something needs a replacement part mid-project.
See the difference
Before
After
Before
After
Before
AfterCommon Window Installation Problems We See in Westminster Homes
- Seized rollers on aluminum sliders. Salt air west of Beach Boulevard corrodes the rollers until the sash sticks or falls out of square. The fix is replacing the rollers and often the track, then squaring the jamb before the new window goes in.
- Cracked stucco around existing window openings. Marine-layer moisture sneaks behind old flashing and expands when the sun hits it. If the flashing isn’t stepped correctly on the new install, the crack returns within a few seasons.
- Non-standard rough openings in post-war tract homes. Westminster ranch homes built in the 1950s and 1960s have rough openings that vary by up to 3/4 inch. Shim and seal correctly, or the new window leaks and drafts.
- Condensation on single-pane glass. Cool damp mornings plus warm interior air equals fogged windows and water on the sill. Dual-pane low-E glass solves it, and the energy savings cover part of the cost over time.
Pricing for Window Installation in Westminster, CA
Most window replacement in Westminster runs between $450 and $1,100 per opening. Double hung units land at the lower end, casements and larger sliders at the upper end. Full-frame replacement adds roughly $250 – $350 per opening over a retrofit. Permitting fees in Westminster, when required, are passed through at cost and we handle the paperwork. What changes the price most is the condition of the existing frame and whether the rough opening is square. We measure every opening individually because 1960s tract homes rarely have two windows the same size. Call (562) 912-3327 and we’ll give you a written, line-item quote. Free, no obligation, and the number won’t change after we start.
We Also Serve Cities Near Westminster
Beyond Westminster, our crews regularly install windows in Huntington Beach, Seal Beach, Los Alamitos, and Cerritos. If you’re in any of those areas, the same written pricing and Done Right Promise apply. Call us and we’ll tell you straight what the job costs.
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 Installation in Westminster
The marine layer brings cool, damp air that condenses on single-pane glass and accelerates corrosion on aluminum frames and hardware. We specify stainless steel hardware, stepped flashing, and dual-pane low-E glass specifically because of it. A window that works in Riverside fails within a few years west of Beach Boulevard. Call (562) 912-3327 and we’ll spec the right materials for your specific street.
In Westminster, like most Orange County cities, a straight retrofit replacement in the same opening typically does not require a permit. Full-frame replacement or changing the opening size usually does. We pull the permits ourselves when they’re required and pass the fee through at cost. No paperwork headaches, and the inspection gets scheduled without you chasing anyone down.
Yes. PGT makes impact-rated casement and picture windows with frame profiles that look right on a mid-century ranch. We’ve installed them on homes off Bolsa Avenue and Westminster Boulevard where the goal was keeping the original character while getting modern glass and hardware. The aesthetic part is just careful product selection, which we handle for you.
Salt air west of Beach Boulevard corrodes the steel rollers and aluminum track until the sash binds or drops out of square. Once a slider sticks, forcing it bends the frame and makes the problem worse. The fix is replacing rollers and tracks, then squaring the jamb before installing the new window. We check for this on every Westminster job, not just the ones where the homeowner already noticed it.
We measure every opening individually because 1950s and 1960s tract homes in Westminster rarely have two windows exactly the same size. That’s why we never give a per-opening price until we’ve walked the house. The written quote you get reflects the actual sizes and conditions of your windows, not a national average. Call (562) 912-3327 to schedule a free measurement and quote.
Written by Keith Yamada, Owner at Lightwell Windows Long Beach, serving Westminster since 2010.
Ready for a straight answer on your Westminster window project? Call (562) 912-3327 today. We’ll walk the job, measure every opening, and hand you a written price before anything gets installed. Free estimate, no pressure, and a live person answers the phone every time.
Six Reasons Homeowners Choose Lightwell Windows Long Beach
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.