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 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
Fast, Reliable Window Replacement Across Mar Vista
Window replacement in Mar Vista usually costs between $850 and $2,400 per window installed, depending on frame material, glass package, and whether the old frame gets pulled or kept in place. Most full-frame replacements on the post-war bungalows around Beethoven Street and Palms Boulevard run $1,400 to $2,100 per opening, while insert replacements into sound existing frames come in lower, around $850 to $1,300. We show Mar Vista homeowners a written price before any work starts, and we don’t revise it at the door. Call (213) 810-3461 to schedule your free estimate.

Mar Vista’s mix of 1940s-1950s bungalows and newer two-story remodels means window work here often requires retrofitting modern, energy-efficient units into older framing while preserving the classic architectural lines that define the neighborhood’s coastal charm. Our crews know which bungalow trims to match, which ranch-style frames hide rot, and where the salt air from the marine layer has been eating at original hardware for 70 years. That local knowledge changes what we recommend and what you pay. If you’ve been burned by a no-show contractor or a price that jumped at the door, you’ll find we do things differently: we answer the phone, we show up in the window we gave, and we put the guarantee in writing.
For a free estimate on your Mar Vista home, call (213) 810-3461.
Key Takeaways
- Window replacement in Mar Vista runs roughly $850 – $2,400 per window installed; full-frame jobs on older bungalows typically land between $1,400 and $2,100.
- Coastal air matters here: original wood sashes and steel hardware corrode faster than inland, so we spec stainless fasteners and thermally broken frames.
- Our Window Replacement team carries eight manufacturer lines, including impact-rated PGT and CGI glass.
- Every job gets a written price before work starts, a committed arrival window, a clean job site, and a written guarantee.
Why Westlight Windows Los Angeles Is Mar Vista’s Preferred Window Replacement Company
We’ve been doing this since 2009, and Window Replacement in Mar Vista is work we know street by street. Dispatch and scheduling are coordinated from our Los Angeles office, and crews serve Mar Vista locally, so we’re familiar with the way fog rolls up Centinela Avenue and how the wind whips through the post-war streets off Sawtelle. Our reviews from Mar Vista homeowners consistently mention two things: we showed up when we said we would, and the final price matched the written quote. That’s not an accident. It’s how Owen Satterfield built this company from the start, and it’s how we run every job.
We don’t do vague ranges. We give you a line-item written price before any work begins, and if the work isn’t right within the guarantee period, we come back and fix it at no charge. That’s the 365-Day Done Right Promise, and it’s written on the guarantee we hand you at job completion. We also staff our phones with a live person 24 hours a day, 7 days a week. You will never talk to a chatbot when you call (213) 810-3461. A real human answers, schedules your estimate, and helps if you need dispatch.
Westlight Windows & Doors is an independently owned and operated Kingswell location. We carry eight manufacturer lines, so the right product matches the job, not the other way around. For Mar Vista specifically, that matters: the same standard window that works in an inland city might not be the right spec for a bungalow two miles from the coast.
Window Seal Repair in Mar Vista
Window seal repair in Mar Vista typically runs $180 to $450 per window depending on sash size and whether the glass unit needs replacing or the frame seal can be restored. Homeowners on the west side of Mar Vista near the coast tend to see more seal failures than those inland because salt-laden fog condenses on aluminum spacers inside the insulated glass unit, oxidizing them until the inert gas leaks out and the glass fogs between panes. You’ll notice it as a permanent haze you can’t wipe off, or condensation that never clears. If you catch it early, we can often replace just the glass unit rather than the whole window.
Signs a Mar Vista Window Seal Has Failed
On many post-war bungalows, the first sign is fog or moisture trapped between the glass panes. Single-pane originals don’t fail this way, but any double-pane unit installed in the last 20 years can, especially with the marine layer working on the spacer. You might also feel a draft around the sash edge even when the window is locked, which tells us the outer weatherstripping has hardened or the frame has swelled from moisture. Either way, the fix starts with a free inspection and a written quote.
What We Replace and What We Preserve
On original wood sashes that still open and close well, we often preserve the frame and replace the glazing unit with a low-e option (a thin coating that reflects heat back into the room in winter and out in summer). If the frame corners show rot from years of fog wicking into untreated wood, we may recommend a full-frame replacement instead. We’ll always show you both prices before you decide.
Energy Efficient Windows in Mar Vista
Energy efficient windows in Mar Vista usually run $900 to $2,300 per window installed, with full-frame replacements on older bungalows falling closer to $1,600 to $2,100 once you factor in the higher-grade glass and thermal breaks. Given the mild coastal climate, most Mar Vista homeowners don’t need triple-glazed windows, but they do benefit from low-e glass and well-sealed frames that keep the marine layer out and the indoor temperature steady. We spec energy-efficient packages from ECO Window Systems and Mr-Glass, among others, matched to each home’s sun exposure and age.
Why Coastal Air Changes the Spec
Here’s what most window replacement guides get wrong about Mar Vista: the marine layer isn’t just about temperature. It’s about moisture and salt. A standard inland spec with galvanized steel hardware may corrode within a decade two miles from the coast. We use stainless steel fasteners and corrosion-resistant hinge pins on every Mar Vista job, and we spec thermally broken aluminum or vinyl frames that resist the salt-air effects that warp untreated wood. The coastal spec costs more upfront: typically $200 to $400 more per window. The cheap spec fails earlier and costs more by year ten. We show you the math on your written quote.

Sealed Openings, Not Just New Glass
An energy-efficient window in Mar Vista fails if the rough opening isn’t sealed right. On older bungalows, we’ve seen gaps behind the trim where decades of fog and wind have eroded the caulk and left the framing exposed. We seal the opening with marine-grade flashing and backer rod before setting the new window, and we test the fit with a smoke pen to check for air leaks. That’s part of what you’re paying for with a professional install, and it’s part of what the warranty covers.
Trusted Brands We Service in Mar Vista
Westlight carries eight manufacturer lines, and for Mar Vista we lean on PGT, CGI, and CWS most often. PGT and CGI make impact-rated glass that handles coastal wind gusts, and CWS offers strong thermally broken frame options that stand up well to salt air. We order directly from the manufacturers and stock common parts for the brands we install, so a follow-up visit doesn’t mean waiting two weeks for a seal or a hinge. If you bought a home with PGT windows already in it, we service those too, using factory parts so the warranty stays intact. We’ll match the product to the job, rather than forcing the job to fit one brand.
Common Window Replacement Problems We See in Mar Vista Homes
- Corroded steel pivot pins and hinges: Original 1940s-1950s-era wood sashes often have steel pivot hardware that salt air and fog cycles eat away at. The window jams open or the sash snaps free, and the fix usually means replacing the hardware with stainless spec.
- Marine layer moisture wicking into wood frames: Untreated wood corner joints absorb fog moisture year after year, rot out, and break the weatherstripping seal. You’ll notice a draft whistling through even when the window looks closed.
- Failed seals on original single-pane glass: The glazing putty dries, falls out in chunks, and the glass rattles. Once the seal goes, the sash’s aluminum spacer oxidizes, the pane fogs, and the window loses any insulating value it ever had.
- Sash cords snapping on windy days: Many original Mar Vista bungalows still have double-hung windows running on cotton cord. The cords fray from years of salt and moisture, and a strong Santa Ana or ocean wind gusts snaps them, leaving the upper sash stuck open. Our techs see this weekly.
Pricing for Window Replacement in Mar Vista, CA
We’ve covered the per-window ranges above, but here’s the honest breakdown for Mar Vista. Insert replacements into frames that are still square run $850 to $1,300 per window. Full-frame replacements, where we pull the old frame, inspect the rough opening, and set a new unit, run $1,400 to $2,100 per window for most bungalows and ranch-style homes, plus $200 to $400 more per window if you’re going with the coastal hardware spec we recommend near the beach. Multiple-window projects usually lower the per-window setup cost since we can spread the labor across a full day. Your written quote will show every line item: window, glass package, hardware, flashing, trim, disposal. Call (213) 810-3461 to schedule a free estimate and see your actual numbers.
We Also Serve Cities Near Mar Vista
While this page focuses on Mar Vista, our crews regularly take on window replacement jobs in Los Angeles, East Los Angeles, West Hollywood, and North Hollywood. The same coastal spec rules apply closer to the water, and we bring the same written-price guarantee to every job.
Serving Mar Vista, CA - Our Local Coverage Area
We’re based in the Mar Vista 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 Replacement in Mar Vista
Most Mar Vista homeowners don’t need full impact-rated glazing unless they’re on a very exposed corner near the coast or have large west-facing window walls, but the real question is hardware and frame spec. Standard double-pane with low-e is fine for temperature control. What matters more in Mar Vista is stainless steel fasteners, corrosion-resistant hinge pins, and a properly sealed rough opening, because the marine layer will corrode cheap hardware long before the mild weather wears out the glass. Call (213) 810-3461 and we’ll inspect your home and give you a written recommendation.
Cotton sash cords from the 1940s and 1950s were never designed for salt air and fog cycles. The moisture wicks into the cord, the salt crystallizes inside the fibers, and years of abrasion against the pulley frays them until a strong wind gust snaps them. It’s a predictable failure we see weekly on post-war bungalows around Mar Vista, and the fix is either new cord with stainless pulleys or a full sash replacement depending on the condition of the wood. Call (213) 810-3461 for an inspection and a written quote.
Yes, and in most Mar Vista bungalows we recommend it. We carefully remove the interior and exterior trim, set the new window into the original opening, and reinstall the trim we removed rather than replacing it with generic casing. If some trim pieces are too far gone from rot, we can mill matching profiles from the same species so the architectural character holds. Your written quote will note which pieces get preserved and which get replaced. Call (213) 810-3461 and ask about trim matching on your estimate.
Stainless steel fasteners and hardware last dramatically longer than the galvanized steel found in cheaper window specs. We spec stainless hinges, pivot pins, and screws on every Mar Vista window replacement, and we avoid uncoated aluminum hardware on coastal-facing openings because salt accelerates oxidation. The cost difference is modest and the lifespan difference is measured in decades. Call (213) 810-3461 and we’ll show you both hardware options and their prices.
If the wood frames are square, the rot is limited to a corner or two, and the glass is intact, repair often makes sense in Mar Vista, especially if you want to preserve the original look. If the sashes are warped, the frames show rot through more than 20% of the wood, or the glass has failed, full replacement usually costs less than repeated repairs over five years. We’ll give you both numbers on the same written quote and explain the tradeoffs. Call (213) 810-3461 to schedule the free estimate.
Call Westlight Windows Los Angeles for Your Mar Vista Window Replacement
When the west light pours through a good window in the late afternoon, bright and warm and worth doing right, that’s the standard we build to in Mar Vista. Owen Satterfield has run Westlight Windows & Doors since 2009, and we’ve never outgrown the simple promises we started with: 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. On a post-war bungalow near Beethoven Street and Palms Boulevard, our crew replaced original double-hung wood sash windows whose sash cords had snapped in a winter windstorm, leaving the upper sashes stuck open. The frames showed visible rot at the bottom jamb from years of salt-laden fog, not just age. We installed impact-rated glazing in new thermally broken aluminum frames, sealed the rough openings with stainless steel fasteners, and reused the original trim profile to keep the bungalow’s coastal lines intact. That’s the Kingswell Way.
Call (213) 810-3461 now to schedule your free estimate. A live person answers, day or night, and your written price is in your hands before any work begins.
Written by Owen Satterfield, Owner at Westlight Windows Los Angeles, serving Mar Vista 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.