Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Styles & brands we work with
See the difference
Before
After
Before
After
Before
AfterHow Much Does Window Replacement Cost in Los Angeles?
Window replacement in Los Angeles typically runs $5,310 to $17,700 for a full-home project of 8 to 12 windows, with most single-window replacements falling between $600 and $1,800 depending on size, frame material, and glass package. A mid-range double-hung vinyl window with standard glass runs $450 to $900 installed, while a premium fiberglass or wood-clad window with low-E coating and soundproofing can hit $1,500 to $2,200 per unit. Labor in LA accounts for $150 to $400 per window, and you’ll pay more if your home sits in an older neighborhood like Hancock Park or Silver Lake where opening sizes are non-standard and stucco repair work is part of the job.
Window Replacement Cost Breakdown (2026)
Here’s what we see across Los Angeles homes in 2026, from a 1920s Spanish bungalow in Highland Park to a mid-century ranch in the Valley. These are installed prices, including the window, labor, trim work, and haul-away of the old units.
| Line Item | Typical Range (Installed) |
|---|---|
| Single vinyl double-hung window, standard size | $450 – $900 |
| Single vinyl picture window, standard size | $400 – $850 |
| Single aluminum window (retrofit install) | $350 – $750 |
| Single fiberglass window | $800 – $1,800 |
| Single wood or wood-clad window | $900 – $2,200 |
| Single window, full-frame replacement (vs. retrofit) | Add $150 – $350 per window |
| Labor per window | $150 – $400 |
| Stucco or drywall repair around opening (if needed) | $100 – $500 per opening |
| Full-home project (8 – 12 windows), vinyl | $5,310 – $10,600 |
| Full-home project (8 – 12 windows), premium materials | $10,600 – $17,700 |
| Permit fees (if full-frame structural work required) | $200 – $800 |
What moves the number? Three things, mostly. First, window material: vinyl is the workhorse for LA homes because it handles sun and coastal moisture without warping, while wood gives you the look on the interior but costs more to buy and more to maintain. Second, installation type: a retrofit (also called a pocket install) slides a new window into the existing frame and costs less, but if the frame is rotted or out of square, you’re looking at a full-frame replacement that requires pulling trim and patching stucco. Third, glass upgrades: dual-pane low-E glass is now the baseline in California under Title 24 energy code, but triple-pane, laminated soundproofing glass, or impact-rated glass for hillside and fire-zone homes pushes the per-window price up $200 to $700.
Los Angeles-specific reality: many homes built before 1980 have non-standard window openings. A 1950s ranch in Lakewood or a 1930s Spanish Colonial in West Adams often needs custom-sized windows rather than off-the-shelf units from a big-box store. Custom sizing adds 20% to 40% to material cost. We measure every opening, including squareness, before we quote, so you’re not surprised by a change order mid-project.
What Affects Window Replacement Pricing in Los Angeles
- Age and style of the home. Pre-war homes in neighborhoods like Los Feliz, Echo Park, and Jefferson Park frequently have unusual opening dimensions. Stock windows don’t fit, which means custom ordering and a longer lead time. Newer tract homes in Porter Ranch or West Hills, by contrast, usually accept standard sizes.
- Frame material and durability demands. LA’s sun is relentless on certain exposures. West-facing walls in Woodland Hills or Sherman Oaks get hammered by afternoon heat, so fiberglass or vinyl with UV-stable compounds hold up better than poorly finished wood there. Near the coast in Playa del Rey or San Pedro, salt air corrodes aluminum frames faster, which is why anodized aluminum or vinyl is more common in those ZIP codes.
- Energy code and glass requirements. California Title 24 mandates dual-pane, low-E glass for most replacement windows. If your home is in a wildfire-adjacent zone (think Tujunga, Sunland, or parts of the Santa Monica Mountains), the local building department may require tempered or multi-layered glazing for certain elevations. Budget $100 to $400 more per window when those standards apply.
- Structural condition of the existing opening. Water intrusion around old wood-framed windows is common in coastal and hillside areas from Rustic Canyon to Eagle Rock. If the framing was never flashed properly in the original build, we find rot or termite damage when the old window comes out. Repairing a sill or replacing a header adds $200 to $1,000 per opening depending on severity.
- Access and floor level. A ground-floor single-story home in Torrance is straightforward. A second-story window on a hillside home in Mount Washington or Baldwin Hills may need scaffolding, which adds $300 to $800 per project. We factor access into the written price before we start.
- Permit complexity. In the City of Los Angeles, straightforward retrofit window replacements generally don’t require a permit when the opening size doesn’t change. Full-frame work with structural alteration, or homes in historic preservation overlay zones (like parts of Angelino Heights or Hancock Park), trigger permit review and potentially HPOZ design requirements. That takes longer and costs more in fees and documentation.
How to Save on Window Replacement
Replacing windows isn’t a place to cut corners on materials, but you can control the project cost without sacrificing quality. Here’s how we advise homeowners across Los Angeles to think about it.
Do a full-home job once, not one room at a time. Mobilization costs – measuring, permitting, scheduling, and crew setup – get spread over more windows. A 10-window project in a Sherman Oaks mid-century home will cost less per window than doing two windows now, three next year, and five the year after. You also avoid paying for multiple rounds of stucco patching and clean-up.
Pick the right frame material for the exposure, not the sales pitch. You don’t need premium wood-clad windows on the back wall of a 1960s ranch in Lakewood if vinyl with a good low-E coating performs just as well there. Save the nicer units for street-facing elevations where appearance matters most. A mixed-material approach is common and sensible in LA.
Plan around the lead time. Supply chains are smoother than they were a few years ago, but certain materials (wood-clad windows, triple-pane glass, custom sizes) still run 6 to 12 weeks from order to install. If you’re not in a hurry, we can order ahead and schedule the work for the off-season months when crews are more available. That doesn’t change our pricing, but it means you won’t be competing with everyone else for the same slot in June.
Ask about the Title 24 compliance rebate path. Local utilities, including LADWP and Southern California Edison, occasionally offer rebate or financing programs for energy-efficient window upgrades that meet specific U-factor and SHGC ratings. We can help you identify which window spec qualifies, and we’ll put the model numbers and ratings in your written quote so you can verify eligibility before committing.
Get the written price and hold us to it. This is the thing we tell every homeowner in Los Angeles: a verbal estimate is not a price. A written price before any work starts means the number on day one is the number on the invoice. We do that on every project, no exceptions. If a window order changes mid-project, we put the change in writing before we order anything. Call (213) 277-6578 for a free estimate – it’s a real number, answered by a real person, and the estimate costs you nothing.
FAQs – Window Replacement Cost
Is it cheaper to repair or replace a window in Los Angeles?
A single-pane glass replacement or a hardware repair typically costs $100 to $450, while a full window replacement starts around $450 and averages $600 to $1,800 per unit. If the frame is sound and only the glass or hardware is damaged, repair is the cheaper play. If the seal has failed between double panes (you see fog or moisture between the glass) or the frame is soft to the touch, replacement is the only real fix, because repair won’t address the structural issue underneath. Call (213) 277-6578 and we’ll tell you honestly which route makes sense for your specific windows.
How much does window replacement cost per window in Los Angeles?
Expect $350 to $2,200 per window installed in Los Angeles, depending on material, size, and glass package. A basic vinyl retrofit in a standard opening runs $350 to $750. A full-frame wood-clad window with custom sizing can exceed $2,000. Most LA homeowners land between $600 and $1,200 per window for a mid-grade vinyl or aluminum unit with low-E glass.
Can you replace windows the same day in Los Angeles?
For most homes, yes – a crew can replace 8 to 12 retrofit windows in a single day when the openings are standard and the frames are in good condition. Full-frame replacements take longer, typically 1 to 2 days per project, because each opening needs trim removal, reframing, flashing, and stucco or drywall patching around the exterior. We give you a real arrival window in writing before we start, not a “sometime between 8 and 4” shrug.
Do I need a permit to replace windows in Los Angeles?
For retrofit replacements where the opening size stays the same, the City of Los Angeles generally does not require a permit. If you’re enlarging an opening, doing full-frame structural work, or your home sits in a historic preservation overlay zone, a permit is typically required, and fees run $200 to $800. We handle the permitting process for you and include the fees in your written quote up front.
What’s the best window material for a Los Angeles home?
Vinyl is the most common choice for LA homes because it resists sun damage, costs $450 to $900 per window installed, and handles both dry inland heat and coastal moisture without warping. Aluminum is popular in mid-century modern homes for its thin sightlines and runs $350 to $750 per unit. Fiberglass offers the best dimensional stability and carries an $800 to $1,800 per-window price. Wood-clad gives you the interior warmth traditional LA homes are known for but runs $900 to $2,200 and requires more maintenance. We carry all four and will show you samples before you commit.
Have more questions about window replacement in Los Angeles? We’re glad to walk through your options in plain terms. Call (213) 277-6578 for a free, no-pressure estimate, or visit our home page to see the full scope of what we do. We put the price in writing before any work starts, we give you a real arrival window, and every job comes with our 365-Day Done Right Promise: if something’s not right within the first year, we come back and fix it at no charge.
Written by Trevor Nash, Owner at Penhallow Remodeling Los Angeles, serving homeowners across Los Angeles since the Kingswell standard’s founding in 2004. Pricing reflects the Los Angeles market as of 2026. Penhallow Remodeling Los Angeles offers free estimates – call (213) 277-6578.
What Our Customers Say
"Primary bath remodel. They gave me a schedule and hit it, called me for every decision, and kept the dust contained with plastic. Beautiful tile work."
- Dana Monroe"Did our whole kitchen. The written estimate held, which after reading remodel nightmares online I did not take for granted. Showed up every morning on time and the crew was clean and polite."
- Warren Updike"Redid two bathrooms at once. The crew protected the floors and cleaned up every single day before leaving. Quote was detailed and there were no mystery charges at the end."
- Tricia Dawson
