Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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Before
AfterTrusted Window Installation for Los Angeles Homeowners
Los Angeles Window Installation is not a one-size-fits-all job. The city spans coastal marine layers in Playa del Rey, dry inland heat in the Valley, and hillside wind exposure in Mount Washington. Each condition demands different glazing, different framing, and different flashing details. Sightline Windows & Doors has installed more than 18,000 windows and doors since 2012, every one of them with a written price before the first tool was lifted and a documented photo record when the crew packed up. If you’re pricing new windows in Los Angeles, call (509) 265-6387 and we’ll give you a measured survey you keep, not a ballpark guess.
Key Takeaways
- Window installation in Los Angeles typically runs $450 to $1,400 per opening depending on frame material, glass package, and structural condition.
- Sightline writes the price before work starts. The measured survey and the final invoice are the same document, per Haven Clause 1.
- Every completed job is covered by the 365-Day Done Right Promise, written into the contract, not offered as a courtesy.
- All technicians are background-checked, uniformed, and identified by license number before arrival, per Haven Clause 3.
- We specify windows from PGT, CGI, CWS, and other verified lines by performance tier, not by what’s sitting in a warehouse.
What Our Window Installation Service Includes
Every installation begins with a measured survey that becomes the written scope of work. You keep the survey. The crew works from it. The final invoice matches it. That is the Sightline approach, and it is how we’ve handled Window Installation - Huntington Park and across Los Angeles since our founding in 2012.
Single & Double Hung Windows
A single hung window has a fixed top sash and a bottom sash that slides up. A double hung lets both sashes move, which matters in Los Angeles homes where second-story openings need ventilation without a ladder. We install both with compression jamb liners and tilt-in sashes for cleaning, and we measure the existing frame for square before ordering anything. The written quote includes any sash weight removal, insulation, and interior trim work the opening requires.
Horizontal Roller Windows
Horizontal roller windows slide side to side and are common in mid-century Los Angeles homes, especially in neighborhoods like Silver Lake and Eagle Rock where the glass runs wide. Our crew checks the track condition, the reveal, and the weep system before speccing the replacement. We install roler windows with stainless steel track hardware and dual-pane glazing that holds up to the smog and salt air you get depending on how close you are to the ocean.
3-Panel Sliding (3-Lite Roller) Windows
A 3-panel slider opens up two-thirds of the wall, which is why Los Angeles homeowners use them to connect living rooms to patios in cities like South Gate where the weather lets you live outside eight months a year. These installs require more precise leveling than a standard single opening, since a misaligned track will bind on the center panel. We shim, level, and anchor the frame to code, then document the finished sightlines with photos you receive at the end of the job.
Casement Windows
Casement windows hinge at the side and crank outward, giving you the tightest seal against wind and road noise of any operable window style. In Los Angeles, we see a lot of casements specified for homes near freeways and busy corridors, where the mechanical compression of the sash against the weatherstripping actually reduces air infiltration. We install casements with multi-point locking hardware and low-E glass, and the quote includes the crank mechanism, hinges, and any rot repair the rough opening needs.
Awning & Hopper Windows
Awning windows hinge at the top and open outward, so they can vent a bathroom or kitchen in Bell or anywhere in Los Angeles even during the light rains the region gets. Hopper windows hinge at the bottom and open inward, common in basements and foundation-level openings. Both are small but detail-sensitive installs: the flashing has to shed water correctly or you get rot behind the stucco. Our crews treat these like any other opening, with the same measured survey, the same written price, and the same photo record.
Picture & Fixed Windows
Fixed windows do not open, and they are often the largest single pieces of glass in a Los Angeles home. The install is all about the rough opening: getting it square, getting the water management right, and getting the glass package correct for the solar exposure. We quote picture windows with the frame material, U-factor, and SHGC spelled out on paper, so you know exactly what you’re paying for. No upcharge for the documentation; it is standard.
Bay & Bow Windows
Bay and bow windows project outward from the wall line, which means the engineering has to account for the cantilevered weight and the roof or flashing detail above the unit. In Los Angeles, these often go into older Craftsman and Spanish-style homes where the existing support has sagged over decades. We inspect the framing, spec the support, and write the entire scope, including the finished seat, skirt, and exterior trim, before any work is scheduled.
Garden Windows
A garden window is a small bay with glass on the sides and top, designed to hold plants and catch light in a kitchen. Los Angeles homeowners use them above the sink, and the install has to manage water at the roof of the little projection as carefully as any dormer. We flash them, seal them, and photograph the finished work from inside and out.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
BeforeAfterBrands We Service for Window Installation
We install windows from eight verified manufacturer lines, and we spec them by what the opening requires, not by what gives us the highest margin. In Los Angeles, where wind-driven rain hits the west side and heat loads climb in the Valley, the brand decision often comes down to the glass package and the frame engineering. We carry and install PGT impact-rated windows for homes in hillside and canyon zones where wind exposure and wildfire ember risk drive the spec. The PGT units we install are ordered with the exact laminated glass and frame reinforcement the opening calls for, and the written quote shows the product line, size, and performance data before you approve anything.
CGI windows show up on a lot of Los Angeles coastal and canyon projects where the homeowner asks for a Miami-Dade rated product. We have installed CGI impact units in homes from Pacific Palisades to Bel Air, and our crews know their frame depth and anchoring requirements well enough to quote the job accurately the first time. We also work with CWS and ViewLux lines for custom and energy-efficient applications where the priority is solar control or a specific sightline. Whether you already have a brand in mind or want us to spec the right line for the opening, the process is the same: measured survey, written price, documented install.
Signs You Need Window Installation Right Now
- Condensation between the panes. A failed seal means the insulating gas has leaked out and the glass unit has lost its thermal performance. No amount of cleaning fixes it; the only correction is new glass or a new window. In Los Angeles, where mornings bring coastal marine layer to the west side, failed seals show up as fog you cannot wipe away.
- Drafts you can feel with the window closed. If air moves past the weatherstripping or the sash does not seat tight, you are paying to condition air that leaks out through the frame. Older wood windows in Los Angeles are often out of square from decades of seismic settling, and the gap only widens with time.
- Wood rot at the sill or jambs. Los Angeles stucco homes trap moisture behind the wall if the window flashing fails, and the first sign is soft wood or bubbling paint at the sill. Let it go long enough and you’re looking at structural repair, not just window replacement. Our crews document the rot with photos and include the repair scope in the written price.
- Windows that jam, stick, or won’t stay open. Weights, balances, and spring systems wear out, and when they do, the window becomes a safety issue, especially on upper floors. If you’re propping a window open with a board or a book, the hardware has failed. The replacement hardware is part of the install, not a separate line item.
- Street noise you cannot shut out. Los Angeles freeway corridors and busy arterials put constant noise pressure on single-pane and older double-pane windows. A properly installed dual-pane unit with the right glass package can cut that noise significantly, but only if the opening is sealed and the frame is square. The window is a system; the glass is one component.
Our Window Installation Process - Step by Step
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Measured survey and written scope. We come out, measure every opening, record the frame condition, take sightline readings, and hand you a written document that stays with the job. Under Haven Clause 1, the quote and the measurement are the same paper. You keep a copy before anyone asks you to sign anything.
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Product specification and written price. We spec the window line, glass package, U-factor, SHGC, and frame material based on the opening and your home’s exposure. The written price covers the window, the install labor, the flashing, the trim, and the cleanup. No change orders for work we should have seen on the survey.
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Verification and scheduling. We confirm the order details with the manufacturer, verify lead times, and schedule the install. The crew assigned to your job is background-checked, uniformed, and identified by license number before arrival, per Haven Clause 3. You know who is coming to your door.
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Installation and documentation. The crew removes the old window, repairs any framing or flashing issues, sets the new unit, insulates, trims, and seals. Every visit ends with a documented photo record of the work, which you receive. Evidence on every job is Haven Clause 4, and we’ve included it on all 18,000+ installs since 2012.
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Final walkthrough and written warranty. We walk the job with you, show you what was done, and hand you the written warranty. The 365-Day Done Right Promise is stamped on every job under the Haven Standard: if it’s not done right, we make it right. Not a courtesy. A written term.
How Much Does Window Installation Cost in Los Angeles?
Window installation in Los Angeles runs from about $450 to $1,400 per opening for most homes, depending on the window type, frame material, glass package, and condition of the rough opening. A standard single hung vinyl window in a typical Los Angeles tract home usually lands between $450 and $700 per unit. A casement window with low-E glass and a fiberglass or wood-clad frame runs from $700 to $1,100. A 3-panel sliding window, which is a much larger structural opening, often falls between $1,200 and $2,400 installed. Bay and bow windows, because of the engineering and finish work involved, typically start around $2,500 and go up from there. These are real ranges based on what we have quoted and installed across Los Angeles, not teaser prices designed to get a phone call.
What moves the price: the window line you spec, the glass package, the frame material, whether we need to repair rot or reframe the opening, and whether the job requires stucco patching or interior trim work after the install. A house in the Hollywood Hills with custom sightlines is a different job than a stucco ranch in the Valley. The way to avoid overpaying is to get a written quote that breaks out the window, the labor, and the repair scope as separate line items. That’s what we do. A free Sightline estimate includes the measured survey, the written scope, and a line-item price you can compare against any other bid. If you have a competitor’s written estimate, bring it to us for a free second opinion, no charge.
Window Installation Near Los Angeles - Our Service Area
We install windows throughout Los Angeles and the surrounding communities, from Santa Monica and Venice on the coast to Pasadena, Glendale, and Burbank in the foothills, and down through Long Beach and the South Bay. Our crews work in the San Fernando Valley, the Westside, and the central Los Angeles basin. For a complete look at our Los Angeles service area or to compare pricing, see our Window Installation in Los Angeles guide. We also serve Houston and San Antonio; visit our Window Installation in Houston and Window Installation in San Antonio pages for those markets.
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.
Frequently Asked Questions - Window Installation in Los Angeles
Window installation is the process of removing an existing window and setting a new unit into the rough opening, including flashing, insulation, shimming, leveling, and interior and exterior trim. In Los Angeles, proper installation also means accounting for seismic movement, stucco water management, and the solar exposure on the specific wall. Sightline performs every install from a measured survey, and the written scope covers the full opening repair, not just popping in a new sash.
Most single-opening installs take half a day to a full day on site, depending on the condition of the rough opening and whether stucco or trim repair is required. A whole-house window replacement in Los Angeles typically runs three to seven working days, with the schedule spelled out in writing before we start. We do not rush openings; the flashing and the seal are the parts you cannot see, and they are the parts that determine whether the window fails in five years or fifty. Call (509) 265-6387 and we’ll give you a written schedule along with the written price.
Window installation in Los Angeles typically runs $450 to $1,400 per opening for standard operable windows, with larger structural openings like 3-panel sliders, bays, and bows running higher. The exact price depends on the product line, glass package, frame material, and repair scope, all of which are written into the quote before you commit. We provide a free measured survey and line-item estimate so you can see exactly what the job costs and compare it against any other bid. Bring us a competitor’s written estimate for a free second opinion.
Yes, we are a verified installer for PGT impact windows and CGI impact-rated products, both of which are common in Los Angeles hillside and canyon zones where wind and fire exposure drive the spec. The units are ordered with the laminated glass and reinforced frames the opening requires, and the quote shows the product line and performance data before you approve. If you have a specific brand in mind, or want us to spec the right line for the opening, we walk you through it on paper.
If a window is broken, boarded, or the opening is unsecured, we treat that as a priority and will get a crew out to secure the opening and assess the repair. Window installation is not a same-day job when a new unit has to be ordered to size, but securing the opening is. Call (509) 265-6387 and a live person answers, 24/7, not a voicemail queue or a callback window.
Every Sightline window installation is covered by the 365-Day Done Right Promise, written into the Haven Standard. If the install isn’t done right within the first year, we make it right at our cost. The manufacturer’s warranty on the window itself is separate and is provided in writing at the end of the job, along with the documented photo record of the completed work.
Clear furniture away from the window openings and remove anything hanging on the walls near the work area, and we will handle the floor protection and dust control from there. Our crew documents the condition of the work area before and after, and the cleanup is part of the written scope. You should also tell us about any stucco or trim work you want matched to specific colors or textures; we will note it on the measured survey so the quote includes it.
Schedule Your Window Installation Service in Los Angeles Today
If you are pricing window installation in Los Angeles, the first step is a free measured survey with a written price you can hold in your hand before any work is scheduled. Call (509) 265-6387 to book yours. We answer live, 24/7, and the estimate costs you nothing. If you already have a written quote from another installer, bring it in for a free second opinion. You’ll get the Sightline standard: a written price before a tool is lifted, a background-checked crew identified by license number, and a documented photo record when the job is done.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Los Angeles since 2012.