New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows Los Angeles pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Fast, Reliable Window Installation Across Los Angeles
Window installation in Los Angeles is not a one-size-fits-all job. Most pre-1980 homes here have original wood frames, stucco exteriors, and a seismic code that changed the rules on how glass gets anchored. We know because we work in these houses every week, from the hillside streets of Mount Washington to the flat lots of the Valley. Westlight Windows Los Angeles handles the whole job: inspection, permit paperwork, custom fabrication when the rough opening is non-standard, and a written price before any work starts. Call (213) 810-3461 for a free estimate.
Why Westlight Windows Los Angeles Is Los Angeles’s Preferred Window Installation Company
We’ve been installing windows since 2009 as an independently owned and operated Kingswell location, and the Los Angeles housing stock has taught us things no catalog ever could. Stucco cracks differently here. Post-and-beam framing from the 1960s rots in predictable places. Santa Ana-driven rain finds every flashing mistake. Our crews carry that knowledge into every job, and it shows up in how we quote: we price the real work, not a fantasy of the work.
Homeowners in Los Angeles tell us the same story again and again. A previous contractor quoted low, showed up late, opened the wall, found rotted framing or outdated wiring, and the price doubled. We do it differently. The Kingswell Way means we say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails. Owen Satterfield built the Los Angeles operation on that standard, and he’s the one who answers when a job goes sideways.
Every technician who walks through your door in Los Angeles is background-checked and uniformed. You’ll know exactly who is on your property. And when you call (213) 810-3461, a real person answers. Not a voicemail box. Not a chatbot. Day or night.
Window Contractor in Los Angeles
A Window Contractor in Los Angeles does more than swap glass. The job involves pulling permits, assessing framing, installing proper flashing against stucco or wood siding, and making sure the finished window passes the city’s seismic and energy code. You need one when a window is failed, fogged, leaking, or when you’re upgrading to meet the retrofit ordinance. Most single-window replacements in Los Angeles run $700 – $1,400 installed. A full-home project with custom sizes typically lands between $9,000 and $22,000.
Permit and Code Handling
We pull permits on every Los Angeles job that requires one, and we schedule the inspections. When an inspector flags something behind the old window, we photograph it, write the change order, and get your written approval before touching it. No door-step surprises.
Seismic Anchoring and Safety Glazing
Los Angeles’s retrofit ordinance changed how windows anchor to framing. In soft-story buildings and pre-1980 wood-frame homes, standard screws and clips don’t pass. We install the seismic strapping and safety glazing the code requires, and we show you the inspection report when it’s done.
Window Installers in Los Angeles
Window Installers in Los Angeles handle the hands-on work: removing old sashes, squaring the opening, setting the new unit, flashing it, and trimming it out. The best installers know that an eight-foot-wide sliding door in a 1950s post-and-beam house doesn’t come out clean. The framing has moved. The waterproofing has failed. A good installer catches that before the new window goes in. Full-frame replacement labor runs $300 – $600 per opening for standard sizes; custom or structural work adds from there.
Custom Fabrication for Non-Standard Openings
Mount Washington and similar hillside neighborhoods are full of 1950s steel casements that were custom-sized when the house was built. You can’t drop a stock window into those openings. We measure, fabricate, or order custom units from ES Windows and ECO Window Systems, and we set them so the reveal is even on all four sides.
Stucco and Flashing Work
Los Angeles stucco is unforgiving when flashing is wrong. We cut the stucco back clean, install the new sill pan and head flashing, and seal the transition with materials rated for our UV and rain patterns. Skipping this step is how windows leak after the first real storm.
Trusted Brands We Service in Los Angeles
We install products from eight manufacturer lines, but on any given Los Angeles project we’re likely matching the job to CGI, CWS, ES Windows, or ECO Window Systems. Impact-rated lines like PGT and CGI come up often when the retrofit ordinance triggers safety glazing. ECO Window Systems frequently fits the energy upgrade jobs where a homeowner is tired of the cooling bill from single-pane glass. Because we stock parts and hardware for these brands locally in Los Angeles, replacement and repair turnarounds are shorter than they’d be through a national chain. The point is always the same: we match the product to the house, not the house to a product.
Explore the full range of our Window Installation services to see how we approach different window types.
Common Window Installation Problems We See in Los Angeles Homes
- Water intrusion at the stucco-to-frame transition. Los Angeles stucco homes fail at the window perimeter when old tar paper rots. A Santa Ana rain event pushes water sideways, and the wrong flashing sends it into the wall cavity. We replace the weather barrier and install flashed sill pans as standard practice.
- Rotted or undersized framing. Pre-1980 post-and-beam houses in Los Angeles often have headers that were sized for a smaller window. When we open the wall for a larger unit, the framing needs sistering or replacement. This is the most common reason a quote changes, and we handle it with a written change order.
- Failed seals and fogged glass from UV exposure. Los Angeles sun is hard on double-pane seals. Once the seal fails, condensation builds between the panes. Low-E coated glass with a quality spacer is the fix, and our installation warranty covers the replacement if it fails within the guarantee period.
- Rusted-shut steel casements. In hillside neighborhoods like Mount Washington, original 1950s steel casements are frequently rusted closed. Replacing them requires cutting out the steel frame and often custom fabrication because the rough opening was never a standard size.
Pricing for Window Installation in Los Angeles, CA
Here are honest numbers for the Los Angeles market. A standard single-hung or double-hung vinyl window, full-frame replacement, runs $700 – $1,100 per opening installed. Casement windows run $900 – $1,500. A 3-panel sliding door is $2,800 – $5,500. Bay and bow windows run $3,500 – $8,000 depending on size and structural work. Custom steel or aluminum replacements for mid-century homes start around $1,800 per opening. Labor for strapping and seismic anchoring adds $150 – $400 per window when the retrofit ordinance applies. Every estimate is written, line-item, and fixed before work starts. Call (213) 810-3461 for a free estimate that accounts for your specific house, not an average.
We Also Serve Cities Near Los Angeles
Our crews work throughout Los Angeles and the surrounding communities. We regularly install windows in Manhattan Beach, Playa del Rey, South Pasadena, and West Hollywood, where older wood frames and stucco exteriors come up just as often. If you’re in one of those areas, your call routes to the same Los Angeles office and the same live person.
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 Installation in Los Angeles
It depends on your building type and scope of work. If you own a soft-story building or a pre-1980 wood-frame home in Los Angeles, and your window permits are pulled alongside any structural retrofit work, you will likely need seismic anchoring and safety glazing on new windows. Our team checks your address against the ordinance before quoting so there are no surprises. Call (213) 810-3461 for a free estimate and we’ll walk you through what applies to your property.
Because the contractor quoted the window, not the house. In older Los Angeles homes, opening a wall reveals rotted framing, undersized headers, failed waterproofing, or outdated wiring. A responsible contractor anticipates that and writes allowances into the contract. We do exactly that. If a surprise exceeds the allowance, we photograph it, price it, and get your written approval before touching it. Your price never jumps without your signature.
In most cases, no. The steel frames from the 1950s are rusted through at the sill, and the glass is single-pane annealed, not safety glazing. You could strip and repaint them, but they won’t pass current energy or seismic requirements if the opening is being inspected. We offer custom-fabricated replacements from ES Windows that keep the slim sightlines of the originals while meeting today’s codes. Call (213) 810-3461 for a free estimate on a custom match.
Not everywhere. Impact-rated glass from PGT or CGI is required in certain wildfire or wind zones and often becomes part of a retrofit when your permit triggers seismic code. For most standard Los Angeles homes, high-quality low-E insulated glass meets the energy requirements. We’ll tell you what your specific address needs, and we won’t upsell you to impact-rated glass unless the code or your insurance carrier requires it.
The inspector’s finding goes into the permit record, and the wiring must be corrected before we can close the wall. We photograph the issue, write a change order with a fixed price for the electrical work, and wait for your written approval. We coordinate with the electrician, get the re-inspection scheduled, and keep the project moving. The change order is a written price, not a verbal estimate. Call (213) 810-3461 if you want to talk through what a permit inspection involves on your Los Angeles property.
How We Handle Code-Triggered Surprises in Los Angeles
Here is the single most important thing to understand about window installation in Los Angeles. The city’s mandatory earthquake retrofit ordinance for soft-story buildings and pre-1980 wood-frame homes means that pulling a window permit can trigger seismic anchoring and safety glazing requirements that don’t exist in Pasadena or Burbank. You might start with a simple window swap and end up needing structural strapping, impact-rated glass, or an electrical correction that an inspector flags once the wall is open. Other contractors treat these as surprises. We treat them as the known cost of working in Los Angeles housing stock.
On a Mount Washington hillside, our crew replaced a set of rusted-shut 1950s steel casement windows with custom-fabricated ES Windows casements. The original rough openings were non-standard, and the stucco exterior had failed waterproofing that we repaired before installing the new flashings. We wrote a change order for the additional framing repair and got the owner’s written approval before proceeding. That is how the job gets done right: inspection first, allowances written into the contract, and every change priced and approved in writing before we touch it.
The Kingswell Guarantee backs every job in Los Angeles. A written price before any work starts. A committed arrival window. A clean job site. A written guarantee on the completed work. If something we installed fails within the guarantee period, we come back and fix it at no charge. Owen Satterfield holds the Los Angeles operation to that standard on every single project, and the 365-Day Done Right Promise puts it in writing.
Westlight Windows Los Angeles serves all of Los Angeles with window replacement, window installation, and door installation. From the pre-war bungalows of South Pasadena-adjacent neighborhoods to the mid-century homes up in Mount Washington, we know what these houses need because we work on them daily. Call (213) 810-3461 to schedule a free estimate. A real person answers, and you’ll get a written price before any work starts.
Written by Owen Satterfield, Owner at Westlight Windows Los Angeles, serving Los Angeles since 2009.
Six Reasons Homeowners Choose Westlight Windows Los Angeles
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.