Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Window Company in Los Angeles, CA
Most Los Angeles window and door projects run between $650 and $2,400 per opening depending on frame material, glazing package, and whether the home sits in a hillside fire zone or historic preservation district. Lightwell Windows & Doors carries PGT, CGI, CWS, and ES Windows products locally, and we dispatch crews from our Los Angeles office to measure, spec, and install across the basin. Call (562) 478-8017 to schedule a free estimate with a written price before any work starts.
Why Los Angeles Homes Are Different
Los Angeles housing isn’t one thing. In Silver Lake, Echo Park, and Highland Park, we regularly open walls to find 1920s Spanish Colonial Revival and Craftsman bungalows with original wood sash windows that have settled out of square over ninety-plus years. The San Fernando Valley is layered with 1950s – 1970s post-war stucco tract homes, many still carrying single-pane aluminum sliders or jalousie windows that bleed conditioned air and fail current Title 24 energy code. Brentwood and Pacific Palisades add mid-century modern Case Study homes needing large-format custom glazing that standard replacement lines simply don’t stock.
The climate splits the job too. Inland valleys in Los Angeles hit 108 – 115°F during summer heat events, so west- and south-facing openings need low-SHGC glazing to keep rooms livable. The coastal strip from Venice to Malibu sees marine layer and salt air that corrodes aluminum hardware and degrades frame seals faster than anywhere inland. UV intensity across the entire basin chalks vinyl frames and breaks down weather-seal adhesives in 8 – 12 years, not the 20-plus manufacturers assume for cooler markets.
Then there’s the regulatory landscape. More than 30 Historic Preservation Overlay Zones, including Angelino Heights, Carthay Circle, and Hancock Park, require a City-issued Certificate of Appropriateness before any exterior window or door replacement. The replacement must match original divided-light profiles, materials, and sight-line dimensions. And enormous swaths of Los Angeles, from the Hollywood Hills to Pacific Palisades, Bel Air, Topanga, and Sunland-Tujunga, sit within CAL FIRE Very High Fire Hazard Severity Zones. Chapter 7A of the California Building Code mandates ember-resistant, multi-pane tempered glazing and tight-tolerance frames. No flat-terrain neighboring city faces this at the same scale, making WUI-compliant specification a defining competency here.
Our Main Los Angeles Services
Los Angeles homeowners call us most often for these three projects, each with its own local conditions and material considerations.
Window Replacement in Los Angeles
Replacement means pulling the existing unit, inspecting the rough opening for water damage or termite repair, and installing a new window built to current Title 24 and, where required, Chapter 7A wildfire codes. In Los Angeles, we see significant variation between hillside homes needing WUI-compliant tempered assemblies and valley tract homes where the priority is low-SHGC glazing for summer heat. We carry PGT and CGI lines rated for both. Window Replacement in Los Angeles

Window Installation in Los Angeles
New construction and addition work in Los Angeles means framing the opening from scratch, integrating continuous water-resistive barriers, and often coordinating with Title 24 compliance documentation for final inspection. In hillside zones, we spec ember-resistant assemblies from the first stud. In HPOZ districts, we submit Certificate of Appropriateness applications with millwork drawings before ordering. Our crews photo-document each phase. Window Installation in Los Angeles

Door Installation in Los Angeles
Entry, patio, and multi-slide door installations in Los Angeles range from standard fiberglass Therma-Tru units in valley homes to oversized aluminum lift-and-slide systems in Pacific Palisades and Malibu with marine-grade hardware. We measure jamb depth against stucco thickness, which varies enormously across LA’s construction eras, and we spec sill pans and flashing to handle the rare but intense rain events that find any gap. Door Installation in Los Angeles

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 Los Angeles
We stock and install PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux, with PGT, CGI, CWS, and ES Windows held in local inventory for faster turnaround on standard sizes. Custom orders typically arrive in 4 – 6 weeks. See our brands for full specifications and energy ratings.
Pricing for Window Company in Los Angeles, CA
| Service | Typical range in Los Angeles |
|---|---|
| Standard vinyl double-hung replacement | $650 – $1,100 |
| Fiberglass double-hung replacement | $950 – $1,600 |
| Aluminum-clad wood replacement | $1,400 – $2,400 |
| WUI-compliant tempered glazing upgrade | $1,800 – $2,800 |
| Low-SHGC glazing package add-on | $180 – $340 per opening |
| HPOZ-matched custom divided-light unit | $1,600 – $2,800 |
| Standard entry door installation | $1,200 – $2,200 |
| Fiberglass patio door replacement | $1,800 – $3,200 |
| Multi-slide aluminum door system | $4,500 – $8,500 |
| Rough opening repair (water/termite damage) | $350 – $850 |
| Title 24 compliance documentation | $150 – $300 |
In Los Angeles, price drivers include hillside access requiring crane or boom equipment, HPOZ millwork matching, and WUI-compliant tempered assemblies. Every estimate we write is line-item and fixed. The price you approve is the price on the invoice.
Neighborhoods We Serve in Los Angeles
We measure, spec, and install across the full Los Angeles basin, from the coastal neighborhoods through the foothill communities to the valley floor. Most appointments are scheduled within a few days, with materials ordered after written approval.
- Silver Lake
- Echo Park
- Highland Park
- Pacific Palisades
- Brentwood
- San Fernando Valley
Service Area – Cities Near Los Angeles
Our Los Angeles office dispatches crews throughout the immediate metro area. We regularly work in Huntington Park, CA, South Gate, CA, Bell, CA, and Maywood, CA, with the same written pricing and 365-Day Done Right Promise applied to every job.
Serving Los Angeles, CA - Our Local Coverage Area
We’re based in the Los Angeles 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 Los Angeles
Yes, the City of Los Angeles requires a permit for any window or exterior door replacement, and hillside fire zones or HPOZ districts add additional approvals. We pull all required permits and schedule inspections as part of every job. Call (562) 478-8017 to confirm what your specific property requires.
Most Los Angeles homes see 6 – 10 openings completed in one to two days, though HPOZ-matched custom millwork or WUI-compliant tempered units can extend lead times. We explain the full timeline in your written estimate before any work starts.
Our technicians follow C.A.R.E. values on every visit: Clean up like it’s our own home, Ask before moving anything, Respect quiet hours and nap times, and Explain the price before starting work. We use drop cloths, shoe covers, and pet-safe sealants wherever alternatives exist, and we photo-document the clean-up before leaving.
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 Los Angeles Customers Say
"They replaced a big foggy picture window. Careful with the furniture, laid down protection, and left no mess at all. Calm and respectful crew, and the view is clear again."
- Teresa Okafor"Replaced six windows. The crew laid runners through the house and vacuumed each room as they finished. With a crawling baby, that no mess thing meant a lot. Windows are gorgeous."
- Rosalind Kemp"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










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