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
How Much Does Windows & Doors Cost in San Diego?
Window and door replacement in San Diego typically costs $450 to $1,400 per window and $900 to $3,200 per door, installed, as of 2026. A full-home window replacement in a 1,500-square-foot house with 10 to 14 windows usually lands between $6,000 and $18,000. The final number depends on product line, frame material, glass package, and whether you are near the coast, where marine air demands more from a window than inland neighborhoods like Rancho Bernardo or Santee do.
If you want a single number to anchor to: most San Diego homeowners replacing an average sliding glass patio door will spend $2,200 to $3,000, and a standard double-hung replacement window in a mid-range vinyl line runs about $700 to $950 installed. We’ll break every piece of that down below, with real ranges from our 16 years quoting and installing across San Diego County.
Windows & Doors Cost Breakdown (2026)
These ranges reflect what we’re quoting and installing in San Diego right now. They include labor, removal of the old unit, disposal, and standard interior trim. They do not include structural repair, stucco patching if the opening changes size, or custom millwork, which we cover further down.
| Item | Typical Installed Cost (San Diego, 2026) |
|---|---|
| Vinyl double-hung window, standard size | $450 – $950 |
| Vinyl sliding window, standard size | $500 – $1,000 |
| Casement or awning window, vinyl | $600 – $1,150 |
| Single window, mid-range fiberglass or aluminum-clad | $900 – $1,400 |
| Picture / fixed window, large format | $700 – $2,000 |
| Impact-rated window (PGT or CGI), per window | $600 – $1,800 |
| Entry door replacement, steel or fiberglass (Therma-Tru) | $1,200 – $3,200 |
| Sliding glass patio door | $1,800 – $3,200 |
| French door, hinged pair | $2,500 – $4,500 |
| Whole-house window replacement, 10 – 14 windows | $6,000 – $18,000 |
Those numbers might look wide, and they are, on purpose. A window is not a window. The glass package alone can swing a quote by 30 percent or more, and San Diego’s climate in particular rewards spending on glass coatings that would be wasted money in a colder market.
What Drives the Price Up or Down
Three things move the needle most. First, frame material. Vinyl is the workhorse and the best value. Fiberglass and aluminum-clad wood cost more but hold paint and resist salt air better. Second, glass package. Low-e coatings (an invisible metallic layer that reflects heat back where it came from), argon or krypton gas fill, and impact ratings for coastal and hillside exposure zones all add cost per square foot. Third, access and opening condition. A straight swap on a ground-floor window is quick. A second-story window on a 1960s stucco house in Clairemont with rotted rough framing is not.
We carry eight manufacturer lines, PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux, and the point of carrying that many is that we can tune the quote to the job. A bedroom window in El Cajon does not need the same glass as a west-facing picture window in Point Loma catching full afternoon glare off the bay. Pricing the right product for the wall it lives in, rather than forcing every job into one brand, is how you keep a quote fair.
What Affects Windows & Doors Pricing in San Diego
- Coastal condensation and salt air. Homes west of I-5 in neighborhoods like Ocean Beach, Mission Beach, and La Jolla live in marine air almost year-round. Aluminum frames pinhole faster out there, vinyl holds up better, and fiberglass is the premium answer. Coastal jobs often justify corrosion-resistant hardware and better anodizing, which adds cost.
- Sun exposure and the west-light problem. San Diego gets roughly 266 sunny days a year, and a west-facing wall in Scripps Ranch or Poway gets hammered every afternoon. A good low-e glass package pays for itself in cooling cost within a few years, but it has to be spec’d for solar heat gain, not just picked from a catalog.
- Building age and stucco retrofit reality. Much of San Diego’s housing stock dates from the 1950s through the 1980s. Older stucco homes often have windows set into the framing without current flashing standards. When we pull an old aluminum-frame unit out of a 1962 track home in San Carlos, we frequently find dry rot in the sill. That repair is real work and it is priced honestly, before we start, in writing.
- Second-story access and site conditions. Ladders, scaffolding, lift rental, and time all climb with height. A single-story ranch in Lakeside quotes differently than a three-story canyon house in University Heights.
- Impact-rating requirements. Homes in designated wildfire or high-wind zones, and a growing number of homeowners county-wide, are specing impact-rated glass from PGT or CGI. Impact windows cost more per unit, full stop, but they are the right choice in certain exposures, and we install enough of them to quote that honestly, not as an upsell.
- Door-specific structural reality. Exterior doors in San Diego deal with sun, salt, and settling. A Therma-Tru entry door is an assembled system, slab, jambs, threshold, and weather-stripping, and the installed price reflects whether the rough opening is plumb or needs correction.
How to Save on Windows & Doors
The cheapest quote in San Diego is rarely the cheapest year. Here is how to actually hold cost down without buying trouble:
- Replace in phases, not randomly. If budget is the issue, replace all windows on one elevation (south-facing, then west-facing) rather than scattering work. You get better batch pricing and consistent glass tuning where it matters most.
- Match the product to the exposure. You do not need impact glass on every window in every neighborhood. A north-facing window in a shaded canyon sees different conditions than an exposed coastal wall. Spec glass for the wall, not the brochure.
- Do not wait for rot to spread. A failing seal or a stuck sash is a small repair today and a structural repair next year. San Diego’s dry season, roughly May through October, is the easiest window to schedule, and we commit to a real arrival window on every job.
- Ask for the written number, not the ballpark. A real quote tells you the product line, the glass package, the trim scope, and the final installed price before you say yes. Our pricing is written before any work starts, and it does not change at the door.
And the simplest way to know your real cost: call (619) 793-3829 and have us quote the job. Estimates are free, and you get your price in writing.
FAQs – Windows & Doors Cost
How much does a standard window replacement cost in San Diego?
A standard vinyl double-hung window replacement in San Diego runs $450 to $950 installed in 2026. Mid-range fiberglass or aluminum-clad windows push that to $900 to $1,400 per unit. Your written quote will spell out the exact window line, glass package, and installed total before you commit. Call (619) 793-3829 for a free estimate on your specific openings.
Is it cheaper to repair or replace a window in San Diego?
For a simple failure, glass, balance, or weather-stripping, repair typically runs $120 to $400 per window, and it is the right call. Once the frame itself is compromised, the seal has failed between panes on a multi-pane unit, or the window is more than 20 years old, replacement at $450 to $1,400 usually costs less than repeated repairs over the life of the unit. When you call, we will tell you if repair is the honest answer, even though we are primarily an installation company.
How much does a sliding glass door cost in San Diego?
A sliding glass patio door installed in San Diego runs $1,800 to $3,200 for a standard 72-by-80-inch opening. Larger openings, impact-rated glass, and stucco or framing corrections push higher. We quote sliding doors as a complete system, door, track, and hardware, never just the slab.
What does a new front door cost in San Diego?
An exterior entry door replacement in San Diego runs $1,200 to $3,200 installed, including the slab, frame work, weather-stripping, and new threshold where needed. The spread comes from material, steel, fiberglass, or wood, glass insets, and the condition of the rough opening. Therma-Tru fiberglass entry doors are our most-requested front door line, and the installed price includes the full system, not just a slab swap.
How much does whole-house window replacement cost in San Diego?
Whole-house window replacement in a typical San Diego home with 10 to 14 windows runs $6,000 to $18,000 in 2026. A smaller house can land under $6,000 with standard vinyl; a larger or coastal house with upgraded glass and fiberglass frames can exceed $20,000. The Kingswell Guarantee means you get the complete written price before work starts, no revised invoices later, so you can plan around the real number from day one.
Can you come quote my San Diego home today?
Yes. Our phone lines are answered by a live person, 24 hours a day, seven days a week, not a voicemail box and not a chatbot. Call (619) 793-3829 and a real human will schedule your free estimate and confirm your appointment window.
Why San Diego Homeowners Call Westlight
Westlight Windows & Doors has been installing windows and doors in San Diego County since 2009, as an independently owned and operated Kingswell location led by Owen Satterfield. The name comes from the light that pours through a good window in the late afternoon, bright, warm, and worth doing right.
The job is governed by what we call the Kingswell Way, five commitments on every project. Say the price before the work. Every customer gets a written price before a single screw turns, and that number does not change at the door. Show up in the window we gave. You get a real arrival window, and we honor it. Leave the place cleaner than we found it. Old windows, fasteners, shims, and packaging leave with us. Put the guarantee in writing. Every completed job comes with a written guarantee, not a handshake. Come back if it fails. If the work is not right within the guarantee period, our 365-Day Done Right Promise means we return and correct it at no charge. If a repair fails, a free second visit is automatic, no negotiating required.
We are not the only window company in San Diego, and we do not pretend to be. We are the one that puts every price and every promise in writing before the work starts, and comes back if the work fails. If you have been burned by a no-show or a door-step price jump, that is the difference that matters.
Pricing reflects the San Diego market as of 2026. Westlight Windows San Diego offers free estimates – call (619) 793-3829.
Written by Owen Satterfield, Owner at Westlight Windows San Diego, serving San Diego since 2009.
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 Our 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