New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows San Diego 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 Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Window Company in San Diego, CA
San Diego windows take a beating that windows in most American cities never face. Coastal salt spray corrodes aluminum frames in Ocean Beach and Point Loma, while inland sun bakes wood frames in El Cajon until they crack and fade. If you live in a 1920s Spanish Colonial in Mission Hills or a mid-century tract home in Clairemont, your windows have probably outlived their seals, their hardware, or both. We’re Westlight Windows & Doors, an independently owned and operated Kingswell location, and we handle window replacement, window installation, and door installation across San Diego with written pricing before any work starts. Call (619) 793-3829 to talk through what you’re seeing.
Why San Diego Homes Are Different
San Diego’s coastal salt air and intense UV exposure drive demand for marine-grade finishes and high-performance glass. Corrosion-resistant hardware and fading-resistant frames aren’t upgrades here, they’re the baseline. We regularly replace window units in Point Loma where the aluminum frames have pitted from years of salt spray, and we replace wood sashes in Santee that have dried out and split under relentless sun. The mild, dry climate means homes don’t suffer the thermal stress you’d see in Phoenix or Minneapolis, but UV degradation is constant. Older homes, especially the 1920s – 1960s Spanish Colonial and Craftsman bungalows near the coast, often still have single-pane wood windows that need custom sizing and historic sensitivity. Inland, Clairemont and Mira Mesa mid-century homes run into fogged double-pane seals, warped vinyl from heat exposure, and stucco openings that don’t match modern standard sizes. Every job here starts with the same question: what’s this specific house, on this specific street, actually dealing with?
Our Main San Diego Services
Window replacement and door installation are the two calls we take most often from San Diego homeowners, with window installation close behind for additions and remodels. Each service has its own page with local pricing, common San Diego conditions, and what to expect on the job.
Window Replacement in San Diego
When a San Diego window fails, it’s usually a fogged double-pane seal, a corroded aluminum frame near the coast, or wood rot in an older frame. Replacing it means removing the old unit, prepping the opening, and installing a new window sized to the home. In older San Diego homes, trim and stucco work around the opening often means custom measurements rather than off-the-shelf sizes. We carry eight manufacturer lines so the right product gets matched to the job, not the other way around. Window Replacement in San Diego covers costs, timelines, and the specific products we’d recommend for coastal versus inland homes.
Window Installation in San Diego
New construction, room additions, and remodels across San Diego call for window installation rather than replacement. The difference is the rough opening: in a new build or addition, the studs are exposed and we install directly into the frame before drywall and stucco go on. San Diego’s building codes require structural anchoring and weatherproofing details that vary by whether you’re within the coastal zone or inland. We coordinate with your general contractor or handle the window scope directly, and every installation gets a written price before we start. Window Installation in San Diego goes into the installation process step by step.
Door Installation in San Diego
Entry doors in San Diego face two enemies: sun on the south and west exposures, and salt air within a few miles of the coast. Door installation means more than hanging a slab. It’s leveling the rough opening, squaring the frame, sealing the threshold, and making sure the door swings and latches cleanly year-round. We install Therma-Tru entry doors among our lines, and we handle everything from single front doors to patio door replacements. Door Installation in San Diego covers door types, materials, and what a typical San Diego door project costs.
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 San Diego
We stock and install ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux, among the eight manufacturer lines we carry at our San Diego location. Common sizes are on hand locally, and special orders typically arrive faster than most homeowners expect. See our brands for the full line and the best match for your San Diego home.
Pricing for Window Company in San Diego, CA
| Service | Typical range in San Diego |
|---|---|
| Single window replacement | $500 – $1,200 installed |
| Full-home window replacement (8 – 12 windows) | $6,000 – $15,000 |
| Impact window upgrade (PGT or CGI) | $900 – $1,800 per window |
| Standard new-construction window installation | $350 – $800 per opening |
| Custom or oversized window installation | $800 – $2,500 per opening |
| Entry door replacement (single door, standard size) | $1,200 – $3,500 installed |
| Patio door replacement (sliding or French) | $1,800 – $5,000 installed |
| Door installation in new construction | $500 – $1,500 per door |
| Custom or oversized entry door installation | $3,000 – $7,000 installed |
What pushes prices up in San Diego? Coastal homes near the water typically need corrosion-resistant hardware and marine-grade finishes, which add material cost. Older homes with custom window sizes or stucco repair work around the opening also run higher. Whatever the number is, you’ll see it in writing before any work starts. That’s the Kingswell Guarantee, and we don’t revise the price at the door.
Neighborhoods We Serve in San Diego
Our San Diego crews work the whole metro, from the beach communities up through the inland valleys. Here are a few of the neighborhoods we’re in regularly.
- Clairemont and Mira Mesa: mid-century tract homes with fogged double-pane seals and warped vinyl frames
- Ocean Beach and Point Loma: coastal salt air causing corroded aluminum frames and pitted hardware
- Mission Hills and Hillcrest: 1920s – 1930s bungalows and Spanish Colonial homes with wood windows needing custom sizing
- North Park and Normal Heights: Craftsman-era homes with original single-pane windows and historic trim details
- El Cajon and Santee: inland sun-baked wood and vinyl frames with cracking and fading
Most San Diego appointments fall within standard business hours, and we run crews six days a week to keep scheduling flexible. When you call, we’ll give you a committed arrival window.
Service Area – Cities Near San Diego
Beyond the San Diego city limits, we also serve National City, CA, Lemon Grove, CA, Spring Valley, CA, and Santee, CA. Dispatch and scheduling are coordinated from our San Diego office, and crews serve the metro locally.
Serving San Diego, CA - Our Local Coverage Area
We’re based in the San Diego 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 San Diego
Most San Diego appointments can be scheduled within a few business days, sometimes sooner depending on where you are and what the job involves. We run crews across the metro six days a week and commit to a specific arrival window when you book. Call (619) 793-3829 to check current availability in your neighborhood.
In most cases, standard window and door replacements that don’t change the opening size don’t require a permit in San Diego. Structural changes, like enlarging an opening or adding a new one, do. We’ll tell you exactly what applies to your project before any work starts, and if a permit is needed, we handle the paperwork. Call (619) 793-3829 with your specific situation.
We cover the whole San Diego metro, from Ocean Beach and Point Loma through Clairemont, Mira Mesa, Mission Hills, North Park, and inland to El Cajon and Santee. If you’re within the city or in a bordering community like National City or Lemon Grove, we can get a crew to you. Call (619) 793-3829 to confirm coverage for your address and schedule a free estimate.
Ready to talk about your windows or doors? Call (619) 793-3829 for a free estimate. A real person answers, 24 hours a day, 7 days a week. We’ll give you a written price before any work starts, show up in the window we gave you, and leave your home cleaner than we found it. That’s the Kingswell Guarantee, in writing, on every job.
Six Reasons Homeowners Choose Westlight Windows San Diego
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.
Other Westlight Windows San Diego Services
What Neighbors Say About Westlight Windows San Diego
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 San Diego Customers Say
"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"Windows are great and the install was solid. One of the installers was quieter and didn't explain much, but the lead walked me through everything at the end and made sure I was happy."
- Lamar Jennings"Front door was swollen and wouldn't latch half the year. New door and frame, done in a day. Looks great and actually seals. Written price didn't budge."
- Renee Saldana