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Window Company in Los Angeles, CA
Windows and doors in Los Angeles do different work than they do almost anywhere else in the country: they fight 284 days of sun, salt air along the coast, Santa Ana heat swings in the Valley, and in a large share of the city, state fire code written specifically for hillside neighborhoods. Westlight Windows & Doors is an independently owned and operated Kingswell location, and we carry eight manufacturer lines because no single product fits every LA house. Call (903) 354-7134 and you’ll get a real person, a written price before any work starts, and crews who know which inspectors check Chapter 7A compliance and which don’t.
Why Los Angeles Homes Are Different
Los Angeles is not one housing market. Silver Lake, Los Feliz, Echo Park, and Hancock Park hold thousands of 1920s-1940s Spanish Colonial Revival and Craftsman bungalows with original steel casement windows: gorgeous, drafty, and expensive to match correctly while meeting modern energy codes. The San Fernando Valley, by contrast, is blanketed with postwar stucco ranch homes whose original aluminum single-pane sliders and jalousie windows are now prime targets for Title 24-compliant dual-pane replacement. That split alone means a one-size-fits-all product pitch fails here.
Then there’s fire code. A substantial share of Los Angeles residential neighborhoods, from the Hollywood Hills and Pacific Palisades to Sylmar, Chatsworth, and the foothills, sit inside state-designated Very High Fire Hazard Severity Zones. That designation legally requires California Building Code Chapter 7A-compliant fire-rated windows and doors for any replacement or new construction. LADBS requires a permit for nearly all window replacements, and on any hillside parcel flagged as VHFHSZ, the inspector will specifically verify Chapter 7A compliance: tempered or fire-rated glazing and rated frames. A contractor who installs standard vinyl double-panes on those parcels fails inspection and triggers a costly special-order redo. Experienced LA crews spec the fire-rated unit before the sale closes.
Climate adds the third layer. Intense year-round UV degrades vinyl frames, factory tints, and insulated glass seals faster here than in most U.S. markets. The marine layer in Santa Monica and Venice accelerates salt-air corrosion on aluminum and steel frames and hardware. And Santa Ana winds can push Valley temperatures above 100°F within hours, creating rapid thermal cycling that stresses glazing seals and frame materials not rated for that swing. The product has to match the microclimate, not just the house.
Our Main Los Angeles Services
Most Los Angeles homeowners call us for one of two reasons: windows that have failed, or a remodel or addition that needs new openings framed and finished. Each service has its own Los Angeles page with full pricing, process, and local details. Start with whichever matches your job.
Window Replacement in Los Angeles
Replacing windows in Los Angeles means matching the existing opening, meeting LADBS permit requirements, and in fire-hazard zones, specifying Chapter 7A-rated glazing and frames before the sale. Older Spanish and Craftsman homes often need custom-sizing to preserve original sightlines, while Valley ranch homes swap out failed aluminum sliders for dual-pane systems that meet Title 24. We walk each job with the written price in hand before any work starts. Window Replacement in Los Angeles covers full pricing, brands, and timelines.

Window Installation in Los Angeles
New-construction and addition window installation in Los Angeles has to clear the same permit desk as replacement work, plus rough-in inspections on new openings. Hillside parcels in VHFHSZ zones add the Chapter 7A compliance check. We coordinate with LADBS, schedule the inspection, and install units from eight manufacturer lines so the right frame and glazing match the project, not the other way around. Window Installation in Los Angeles details the process from rough opening to final inspection.

Door Installation in Los Angeles
Entry doors in Los Angeles face UV fade, salt-air corrosion near the coast, and in fire zones, the same Chapter 7A rating requirement as windows. Front doors on Spanish and Craftsman homes often need custom sizing to respect the original character, while Valley homes typically swap out warped or sagging slab doors for pre-hung units with new weatherstripping. We set a committed arrival window, leave the site clean, and put the guarantee in writing. Door Installation in Los Angeles covers entry, patio, and interior door work in detail.

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 install products from PGT, CGI, CWS, and ES Windows, among the eight manufacturer lines we carry, with units ordered to spec for each job. Stocking multiple lines means a Valley ranch, a Palisades hillside, and a Silver Lake bungalow each get the product that fits the house, the fire zone, and the budget. See our brands for the full line card.
Pricing for Window Company in Los Angeles, CA
| Service | Typical range in Los Angeles |
|---|---|
| Single vinyl window replacement (standard size, non-fire-zone) | $450-$850 installed |
| Single vinyl window replacement (VHFHSZ, Chapter 7A rated) | $700-$1,300 installed |
| Single aluminum window replacement (standard size) | $550-$1,000 installed |
| Wood-frame window replacement (Spanish/Craftsman match, custom) | $1,000-$2,400 installed per window |
| Steel casement window replacement (custom match to original) | $1,800-$3,500 installed per window |
| Dual-pane slider replacement (stucco ranch, standard size) | $800-$1,600 installed |
| Full-house window replacement (1,200-1,800 sq ft, 10-15 windows) | $8,000-$24,000 installed |
| New-construction window installation (per opening, no fire zone) | $500-$1,100 installed |
| New-construction window installation (VHFHSZ, Chapter 7A) | $800-$1,600 installed |
| Entry door replacement (standard steel or fiberglass, pre-hung) | $900-$2,200 installed |
| Entry door replacement (custom wood, Craftsman/Spanish match) | $1,500-$4,000 installed |
| Patio slider or French door replacement | $1,400-$3,800 installed |
What pushes price up in Los Angeles: Chapter 7A fire-rated glazing and frames in VHFHSZ zones, custom sizing for prewar steel casement or Spanish Revival openings, and lead times on specialty glass. Whatever the number, you’ll see it in writing before any work starts, and that written price does not change at the door.
Neighborhoods We Serve in Los Angeles
Crews dispatch from our Los Angeles office and cover the full metro. Scheduling works around traffic and parking realities particular to each area, and we commit to an arrival window in writing rather than a vague “sometime Tuesday.”
- Hollywood Hills and the eastside hills
- Silver Lake, Los Feliz, Echo Park
- Hancock Park and Mid-Wilshire
- Pacific Palisades and the Westside
- The San Fernando Valley: Sylmar to Studio City
Service Area – Cities Near Los Angeles
We serve homeowners across the neighborhoods above, and we also schedule work in surrounding cities including Huntington Park, CA, South Gate, CA, Bell, CA, and Maywood, CA. If you’re unsure whether you’re in our Los Angeles service area, call (903) 354-7134 and a live person will confirm it in under a minute.
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
Most standard replacements are installed within two to four weeks of the written estimate, depending on product availability and LADBS plan check for fire-zone parcels. Custom-matching prewar steel casement or Spanish Revival wood windows adds lead time. Call (903) 354-7134 and we’ll give you a straight answer for your specific job.
Yes. LADBS requires a permit for nearly all window replacements and most door replacements, and hillside parcels in Very High Fire Hazard Severity Zones trigger a Chapter 7A compliance check at inspection. We pull the permit, schedule the inspection, and make sure the product spec clears before installation day.
We cover the entire Los Angeles metro, from the San Fernando Valley through the Hollywood Hills, the Westside, Silver Lake, Los Feliz, Hancock Park, and south to the neighboring cities in our service area. Dispatch is coordinated from our Los Angeles office. If you’re near the edge of the metro, call (903) 354-7134 and a live person will confirm coverage.
For a free estimate on window replacement, window installation, or door installation in Los Angeles, call (903) 354-7134 today. A real person answers, and your written price is in your hands before any work begins.
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
"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










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