Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Windows & Doors Across Los Angeles
Window and door replacement in Los Angeles usually costs between $5,310 and $17,700 for standard windows, while impact-rated windows run $9,440 to $29,500 depending on size, frame material, and whether the building sits in a hillside Very High Fire Hazard Severity Zone. If you’re in a pre-1978 soft-story apartment or a hillside home above Sunset, the work has to meet seismic drift and WUI ember-resistance requirements that most national quoting sites never mention. Barrett & Sons Construction has done this work across Los Angeles for years, and we’ll give you a written scope that passes inspection the first time. Call (877) 610-1318 and talk to Tom Barrett directly about what your building actually needs.
Why Barrett & Sons Construction Is Los Angeles’s Preferred Windows & Doors Company
We’re not a franchise dispatching strangers from three states away. Tom Barrett runs the crews, his sons are on-site most days, and the name on the truck matches the name on the license. Los Angeles homeowners call us because we answer our own phone, publish our license number, and put every price change in writing before a single nail moves. That matters in a city where the last contractor too many people hired quoted one number on the phone and handed them a different bill at the door.
Our Los Angeles customers know we’ve worked dingbat apartments in Van Nuys, Craftsman bungalows in Highland Park, and hillside builds above the Valley. We know what the city’s retrofit ordinance actually demands, what the WUI inspector will check, and which window frames will get rejected. That local knowledge saves you money and keeps your permit moving. Background-checked crew members in uniform show up when they say they will, and our 90-Day Done Right Promise means one call brings Tom back if anything isn’t right.
Our Windows & Doors Services in Los Angeles
Window Installation
New window installation in Los Angeles is rarely plug-and-play. Older buildings across the city, especially pre-1978 wood-frame soft-story apartments and 1920s bungalows, have rough-in openings that have shifted over decades. We measure actual openings, check drift ratios where seismic detailing applies, and quote windows that fit without compromising shear walls. If your home sits in a Very High Fire Hazard Severity Zone, we’ll specify ember-resistant glazing and frames up front, not after the inspector flags it.

Door Installation
Entry doors, patio doors, and French doors in Los Angeles have to handle more than foot traffic. Hillside lots subject to the city’s Hillside Ordinance add drainage and structural requirements that a cheap door quote ignores. We install doors with proper flashing and waterproofing details for stucco-over-wood-frame construction, which keeps atmospheric river rain out of the wall cavity. If your building is a Tier 1 retrofit candidate, we coordinate door rough-ins with the structural engineer so the opening doesn’t fight the lateral system.

Window Replacement
Most Los Angeles window replacements we do are on homes built before modern energy and seismic codes existed. Single-pane aluminum sliders from the 60s and 70s leak air, rattle in Santa Ana winds, and fail Title 24. We replace them with dual-pane vinyl or fiberglass units that meet current energy code, using tempered glass where the city requires it. For any replacement in a stucco-over-wood-frame building, we use flashing and pan details that keep water out of the wall, because we’ve seen what happens when someone skips that step.

Impact Windows & Doors
Impact-rated windows and doors in Los Angeles are not just for hurricane country. In hillside neighborhoods like Tarzana, Bel Air, and the Palisades, WUI code requires ember-resistant glazing on new and replacement windows. Impact windows meet that standard while also holding together better in a seismic event. We install Milgard, Andersen, and Marvin impact-rated products, and we keep documentation for your insurer showing the rating, the install date, and the permit sign-off.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Los Angeles
We install and service windows and doors from Andersen, Marvin, and Milgard, plus premium paver and hardscape brands like Techo-Bloc and Cambridge Pavers when a project touches patios or entry walks. We stock common replacement parts and hardware locally for Los Angeles customers, so a broken latch or failed balance doesn’t sit for two weeks waiting on a national warehouse. You can look up every brand we install. They’re names with published specs, not mystery product off a van.
Common Windows & Doors Problems We See in Los Angeles Homes
- Leaking around replacement windows in stucco dingbats. Cheap flashing details let water run behind the stucco, and the leak doesn’t show until the next big atmospheric river soaks the wall cavity. By then the framing is rotted and the repair is triple the original window cost.
- Non-impact windows failing WUI inspection in hillside VHFHSZ zones. A homeowner buys standard double-pane windows, the inspector rejects the sign-off because the glazing isn’t ember-resistant, and now they’re paying for a change order and a second inspection.
- Ignoring seismic drift on pre-1978 soft-story buildings. New window openings detailed with standard rough-in dimensions can reduce the shear capacity of an existing wall. The permit gets held up, and the retrofit engineer has to re-detail the opening before sign-off.
- Fogged or failed seals on 1960s and 70s aluminum sliders. These windows were never energy-efficient, and after 50 years the seals are gone. Title 24 compliance on replacement means dual-pane glazing at minimum, and if the opening is near a door or walkway, tempered glass is required.
Pricing for Windows & Doors in Los Angeles, CA
Here’s what we see on Los Angeles jobs, and these numbers include labor, materials, permits where required, and our written scope. Standard window replacement runs $5,310 to $17,700 depending on count, size, and frame material. Impact window installation runs $9,440 to $29,500, with the higher end reflecting hillside WUI requirements and larger openings. Hurricane shutters and protection run $4,130 to $10,620. What moves the price: whether your building is pre-1978 and subject to seismic detailing, whether you’re in a VHFHSZ, and whether the rough-in openings need structural coordination.
| Service | Typical Los Angeles Range |
|---|---|
| Impact Window Installation | $9,440 - $29,500 |
| Window Replacement | $5,310 - $17,700 |
| Hurricane Shutters & Protection | $4,130 - $10,620 |
You’ll get a written line-item quote before work starts, and any change order arrives in writing before it touches the job. Call (877) 610-1318 to schedule your free estimate.
We Also Serve Cities Near Los Angeles
Our crews work throughout the Los Angeles metro, including Koreatown, Echo Park, Silver Lake, and View Park-Windsor Hills. If you’re in one of those neighborhoods, the same Windows & Doors team that handles retrofit jobs across Los Angeles will come out, measure, and put the scope in writing. Call (877) 610-1318 to set it up.
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.
FAQs - Windows & Doors in Los Angeles
Yes. If your home sits in a Very High Fire Hazard Severity Zone, Los Angeles building code requires ember-resistant glazing and frames on new and replacement windows. Standard double-pane windows will not pass the WUI inspection, and you’ll pay for a change order plus a second inspection. Call (877) 610-1318 and we’ll confirm your zone and quote the right product the first time.
Window replacement alone does not trigger the full retrofit, but if the building is a Tier 1 or Tier 2 soft-story candidate, the city’s ordinance requires that any new window openings be detailed for seismic drift without reducing the shear capacity of the existing wall. That means a structural engineer may need to review the rough-in details before permit sign-off. We coordinate that review so your window job doesn’t stall the retrofit deadline.
Standard frames are usually fine structurally, but hillside homes under the Hillside Ordinance often have additional drainage, grading, and wall-flashing requirements that affect how the window is installed, not just which frame you buy. The waterproofing details around the rough-in matter more than the frame brand. We’ve seen standard window installs on hillside lots fail because water ran behind the stucco and down the slope. Call (877) 610-1318 for a quote that includes the right flashing details.
You want the permit with the final inspection sign-off, the product spec sheet showing impact rating and glazing type, and a written scope of work that matches what was installed. If your property is in a VHFHSZ, you’ll also want documentation that the windows meet WUI ember-resistance standards. We hand you all of that at close-out. If your insurer asks for proof after a Santa Ana event, you’ll have it.
Budget $9,440 to $29,500 depending on the number of units, window sizes, and whether the rough-in openings require seismic coordination with a structural engineer. Dingbats with tuck-under parking often fall under the soft-story retrofit ordinance, which adds engineering review time. Call (877) 610-1318 for an exact line-item quote, and we’ll put the scope in writing before you sign anything.
We recently replaced rotted wood windows on a 1963 dingbat apartment in Van Nuys where the original single-pane aluminum sliders had been leaking around the tuck-under parking. The job required upgrading to dual-pane Milgard vinyl windows with tempered glass to meet current Title 24 energy code, and we had to coordinate with a structural engineer because the rough-in openings were part of the soft-story shear wall. Our crew installed the new impact-rated windows before the city retrofit inspection sign-off, and the property owner now has documentation to show their insurer. That’s the kind of job we do every week in Los Angeles.
If your windows are fogged, leaking, or rattling in the wind, or if you’ve been told your building needs retrofit-ready detailing, call (877) 610-1318. We’ll come out, measure, check your zone and building type, and put the full scope in writing. Free estimates, permits pulled, inspections signed, and the 90-Day Done Right Promise on every job.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Los Angeles since 1998.







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