Impact Window Installation Cost - Free In-Home Measure, Written Price

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Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style

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How Much Does Impact Window Installation Cost in Los Angeles?

Impact window installation in Los Angeles typically runs $850 to $1,400 per window installed, with full-home projects landing between $12,000 and $28,000 depending on window count, glass package, and framing conditions. A standard 3-bedroom Los Angeles home with 14 to 18 openings usually falls in the $14,000 to $22,000 range. The number moves up or down based on the brand line you choose, whether the existing frames can stay, and how many windows sit on second stories or tight hillside access.

We’re Westlight Windows & Doors, an independently owned and operated Kingswell location, and we’ve been installing impact-rated windows across Los Angeles County since 2009. Every project starts with a written price before any work begins, and that price doesn’t change at the door. If you’d rather skip the reading and get a real number for your address, call (903) 354-7134 and ask for a free estimate. A live person answers, day or night.

Key Takeaways

• Most single impact windows in Los Angeles cost $850-$1,400 installed.
• Full-house impact window packages in LA commonly run $12,000-$28,000.
• Impact glass (laminated panes that hold together under flying debris) costs more than standard dual-pane, but it can lower insurance premiums in high-fire and wind zones.
• Two-story access, stucco repair, and non-standard sizes push pricing up the most.
• Westlight carries eight manufacturer lines, including impact-rated PGT and CGI, so you’re matched to the right product instead of being sold whatever’s on the truck.

Impact Window Installation Cost Breakdown (2026)

Here’s how the money actually breaks down on a Los Angeles impact window job. These are installed ranges, meaning the window, the labor, the flashing, and the cleanup are all folded in.

What sends a project toward the high end? Full-frame replacement on an older home, oversized arched windows, hillside access where the crew has to hand-carry glass up a slope, and premium glass packages with upgraded low-e coatings (a thin metallic layer that reflects heat back out in summer and holds warmth in winter). What pulls it down? Keeping existing frames in good condition, choosing a mid-tier manufacturer line like CWS or Mr-Glass instead of a top-shelf one, and bundling the whole house into one job rather than replacing windows one at a time over several years.

If you want the deeper walkthrough of how we evaluate a home before quoting, our Impact Window Installation in Los Angeles page covers the full process. For the rest of what we do, start at our home page.

What Affects Impact Window Installation Pricing in Los Angeles

• Window count and mix. A house with 16 identical double-hung windows is cheaper per unit than one with six different sizes. Custom dimensions mean custom manufacturing, and that adds $200 to $500 per window on average.
• Glass package. Base impact glass (laminated, two panes bonded with a plastic interlayer) sits at the low end. Adding low-e coating, argon fill, or a third pane for sound reduction in neighborhoods near the 405 or LAX flight paths can add $150 to $400 per window.
• Frame material. Vinyl is the budget choice and works well in most LA homes. Aluminum and fiberglass run higher but hold up better on west-facing walls that take the afternoon sun. Head to a Pasadena or Glendale hillside home and you’ll see why frame choice matters.
• Access and story height. A single-story ranch in Torrance is a straightforward install. A three-story home in the Hollywood Hills with a narrow driveway means more labor hours and sometimes a crane or boom lift, which can add $800 to $2,500 to the project.
• Stucco and trim work. Most Los Angeles homes are stucco, and pulling a window out of stucco always means patching and painting around the opening. Budget $150 to $450 per window for that finish work.
• Permits and code. The city of Los Angeles and surrounding jurisdictions require permits for window replacement in most cases, and impact-rated products need to meet specific wind-borne debris and fire-zone standards in certain areas. Permit fees usually run $300 to $1,200 for a residential project. We handle the paperwork so you’re not chasing the building department yourself.

One local factor that catches people off guard: Los Angeles sits in a mixed climate zone. Coastal neighborhoods like Santa Monica and Manhattan Beach deal with salt air that corrodes cheaper hardware, while inland areas like Woodland Hills and Northridge see temperature swings of 40 degrees or more in a single day. That swing is hard on seals and frames, and it’s why we often recommend a higher-grade frame on inland jobs even when the customer’s first instinct is to save money on materials. Spending $200 more per window now is cheaper than re-sealing the whole house in six years.

How to Save on Impact Window Installation

There’s no secret trick to cutting the price of impact windows in Los Angeles. The savings come from making a few smart decisions upfront.

• Bundle the whole house. Replacing all your windows in one project spreads the permit cost and the setup labor across more units. A 16-window job typically costs less per window than a 4-window job.
• Keep your existing frames if they’re sound. Retrofit installation (where the new window fits inside the old frame) saves $250 to $600 per opening compared to full-frame replacement. We’ll tell you honestly whether your frames are worth keeping.
• Choose a mid-tier manufacturer line. We carry eight lines, from PGT and CGI to CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. There’s a real difference between a budget line that meets code and a premium line with better hardware and tighter tolerances. Ask us to show you both.
• Check for insurance discounts. Many Los Angeles-area insurers discount premiums for impact-rated windows in wind-borne debris zones and wildfire-prone areas. That’s money back on your annual bill, and it can offset several thousand dollars of the project over ten years.
• Schedule in the off-season. Late fall and winter are slower for window installation in Los Angeles, and some manufacturers run pricing programs during those months. It’s not a guarantee, but it’s worth asking about.
• Get a written price before you commit. This is the biggest one. Vague verbal quotes are how homeowners end up paying $4,000 more than they expected. We give every customer a written price before any work starts, and we don’t revise it at the door.

Free estimates are standard with us. Call (903) 354-7134 and we’ll schedule a visit, measure every opening, and hand you a number in writing.

FAQs - Impact Window Installation Cost

How much does one impact window cost to install in Los Angeles?

A single impact window installation in Los Angeles costs about $850 to $1,400, installed. That includes the window, labor, flashing, and cleanup. Larger picture windows and sliding glass doors run higher, typically $1,500 to $5,200. Call (903) 354-7134 for an exact quote – estimates are free.

Is it cheaper to repair or replace an impact window?

Repair usually wins if only the hardware, screen, or seal is failing – that’s typically $150 to $400. But once the glass itself is cracked, delaminated, or fogged between the panes, replacement is the only real fix, and a new impact window runs $850 to $1,400. The break-even point is usually around $500 in repair costs on a window that’s more than 15 years old. Call (903) 354-7134 and we’ll tell you straight which way makes sense for your window.

Do impact windows lower my insurance in Los Angeles?

Often, yes. Impact-rated windows can reduce your annual homeowner’s premium by 5% to 25% in wind-borne debris zones and wildfire-prone parts of Los Angeles County. On a $2,800 annual premium, that’s $140 to $700 back every year, which is why a $16,000 whole-house install can pay for itself in insurance savings over 20 to 30 years. Call (903) 354-7134 and we’ll walk you through what your carrier may credit.

How long does impact window installation take in Los Angeles?

A typical Los Angeles home with 15 to 18 windows takes 2 to 4 days to install. Smaller jobs of 6 to 8 windows are usually done in a single day. Permit approval from the city can add 2 to 6 weeks before work starts, so build that into your timeline. Call (903) 354-7134 to get on the schedule.

Can you come today for an estimate?

Yes, we can often schedule a same-day or next-day estimate in Los Angeles, and there’s no charge for it. A written price comes back with you before any work begins – no door-step surprises, no revised invoices. Call (903) 354-7134 and a live person will pick up, 24 hours a day.

Why Homeowners Call Westlight Windows & Doors

We’ve been doing this since 2009, and we’ve learned that homeowners don’t switch window companies because of price. They switch because the last company didn’t show up when it said it would, or raised the price after the truck was already in the driveway. That’s why every Westlight job runs on the Kingswell Guarantee: a written price before any work starts, a committed arrival window, a clean job site, and a written guarantee on the finished work. Four promises, on every project, no exceptions.

Our technicians are background-checked and uniformed, so you know exactly who’s walking through your door. We carry eight manufacturer lines so we can match the right window to your home instead of steering you toward the one brand we happen to stock. And if something fails within the guarantee period, we come back and fix it at no charge through our 365-Day Done Right Promise. That free return visit is automatic – you don’t have to negotiate for it.

We call this The Kingswell Way, and it comes down to five things: 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 leads our team, and if you ever have a question about your project, he’s the one who’ll answer it.

The name Westlight comes from the late-afternoon sun that pours through a good window – bright, warm, and worth doing right. That’s the standard we hold every install to, whether it’s a single window in Sherman Oaks or a full-house job in Eagle Rock.

Get Your Written Price Before You Commit

Impact windows are a real investment in a Los Angeles home, and you deserve a real number instead of a range that shifts when the crew arrives. We’ll measure every opening, walk you through the manufacturer lines that fit your budget, and hand you a written price before any work begins. No pressure, no door-step surprises, and no revised invoices.

Call (903) 354-7134 for a free estimate on impact window installation in Los Angeles. A live person answers 24 hours a day, 7 days a week – not a voicemail box, not a chatbot. If you’d like to see how we handle repairs and full replacements beyond impact glass, our home page lays out the full scope of what we do.

Pricing reflects the Los Angeles market as of 2026. Westlight Windows & Doors offers free estimates – call (903) 354-7134.

Written by Owen Satterfield, Owner at Westlight Windows & Doors, serving Los Angeles since 2009.