Removal and disposal
We pull the old sash, frame, and hardware, then haul it all away. You do not need to rent a dumpster or make a trip to the transfer station. Old glass and metal get separated for recycling where possible.
Licensed
Licensed & Bonded
Fully Insured
Insured & Bonded
24/7 Emergency
Same-Day Response
Warranty Backed
16+ Years Trusted in Los Angeles
What our casement window replacement includes
Every casement job we do covers the full scope: removal, disposal, installation, sealing, and cleanup. Here is what is standard on a typical replacement, and what we handle as an add-on if your opening needs extra work.
Rough opening inspection
Before the new unit goes in, we check the opening for rot, water damage, and square. If the framing is soft, we cut it out and replace it. This is the step that prevents a callback six months later when a sill starts leaking.
New casement unit and hardware
Your new window comes with the crank, hinge, lock, and screen. We test the full open-and-close cycle before we call it done. If the crank feels stiff or the lock does not catch, we adjust it on the spot.
Flashing and sealing
We flash the sill with flashing tape and caulk the perimeter with silicone caulk. This is the water management layer that keeps rain out of your wall. It is also what inspectors look for on permitted jobs.
Insulation and trim
We fill the gap between the frame and the rough opening with low-expansion foam or insulation, then reinstall the interior trim. That gap is where drafts and noise get in if it is left open.
Cleanup and walkthrough
We vacuum the sill, wipe down the glass, and walk you through the operation of every window. You get the warranty paperwork and a quick lesson on how to maintain the crank and seals.
Casement Window Replacement Los Angeles CA, explained
Casement Window Replacement Los Angeles CA is the full removal and reinstallation of a side-hinged, crank-operated window unit, including the sash, frame, glass, and hardware. We pull the old unit, check the rough opening for rot or water damage, set the new window on shims, level it, and seal it with flashing tape and silicone caulk. Casements crank open outward on a hinge, which is why they catch more breeze than a slider and seal tighter when closed.
Most calls we get are from homeowners dealing with drafty windows, foggy glass, or a crank handle that spins without moving the sash. In Los Angeles, that usually traces back to broken seals, rotted window frames, or 20-year-old hardware that finally gave out. If you are searching casement window replacement near me Los Angeles, we cover the whole county, and we can tell you on the first visit whether a full replacement or a sash swap makes more sense.
How our casement window installation runs
Five steps, no surprises. Here is exactly what happens from the first phone call to the final walkthrough, and what you should expect on install day.
01
Schedule
Call or book online — a real human picks up and confirms a 2-hour arrival window.
02
Diagnose
Licensed tech inspects on-site, then walks you through the cause and your options.
03
Fix
The job is completed to code and done right the first time — no shortcuts, no surprises.
04
Guarantee
Every job backed by a written workmanship warranty — and we stand behind it.
Tools and methods we use
Tools & Equipment
Tape measure and level
We measure every opening to the sixteenth of an inch and check the frame for square with a level. A window set out of level will not seal, no matter how good the unit is.
Pry bar and utility knife
Used to remove the old sash, trim, and caulk without damaging the surrounding stucco or drywall. Clean removal makes for a cleaner install.
Caulking gun and silicone caulk
We caulk the perimeter of every casement with silicone, which stays flexible through the heat cycles that crack cheaper sealants.
Window setting blocks and shims
These hold the unit in the correct position while we fasten it. Setting blocks also keep the sash from sagging over time, which is a common failure on heavy casements.
Flashing tape
Applied at the sill and around the rough opening to direct water out of the wall. This is the single most important detail for stopping leaks.
Drill and screwdriver set
Used to fasten the frame per the manufacturer's spec and to install the hardware. We torque to spec so the frame does not distort.
Insulation gun
Fills the gap between the frame and the rough opening with low-expansion foam, which stops drafts and noise at the perimeter.
Methods & Standards
AAMA and WDMA installation standards
These are the industry standards for window installation, covering flashing, fastening, and sealing. Following them is what makes a job pass inspection and hold up over time. We apply them on every casement we set.
ENERGY STAR and NFRC rating selection
We match the glass package to the window's orientation and sun exposure using NFRC ratings. A west-facing casement in the Valley needs a different spec than a north-facing one in Santa Monica. This is how you get the energy savings you paid for.
Sill pan and flashing detail
We build a proper sill pan and flash the opening before the window goes in. This is the detail that keeps water out of the wall during a heavy rain. It is also what most cheap installs skip.
Full open-and-close testing
Before we leave, we crank every window through a full cycle and check the lock. If the sash drags or the lock does not catch, we adjust it on the spot. You should never get a window that does not operate.
When to replace a casement window
01
A 1940s Sherman Oaks bungalow with original wood casements that stick every summer and leak every winter.
What we do: We replace the units with vinyl or fiberglass casements sized to the original openings, repair any rotted sill wood, and re-flash the exterior. We match the trim profile so the house keeps its look.
→ The windows open and close with one hand, the drafts stop, and the exterior trim stays consistent with the rest of the house.
02
A Santa Monica condo with ocean-facing casements that have fogged glass and corroded hardware.
What we do: We swap the failed insulated glass units and replace the cranks and hinges. Where the frame is still sound, a sash replacement keeps the cost down. Where it is not, we quote a full unit.
→ Clear glass, working cranks, and a tighter seal against the coastal damp. The HOA gets the paperwork it needs for approval.
03
A Woodland Hills home with west-facing casements that bake in the afternoon sun and drive up cooling costs.
What we do: We install casements with low-E glass and argon gas, sized to the existing openings. We also check the flashing, since west walls take the worst of the sun and rain.
→ Less heat gain, lower cooling bills, and glass that holds up to UV without fading the interior floors.
04
A North Hollywood rental property where several casements are stuck open and the landlord needs them fixed fast.
What we do: We quote the job in one visit, order standard-size units where possible, and schedule the install in a single day to minimize tenant disruption. We handle the permit if one is required.
→ All units operational, tenants off the phone, and the property back in compliance with the lease and local code.
How casement window replacement runs in Los Angeles
Los Angeles is not one climate, and casement window replacement here has to account for that. The San Fernando Valley hits triple digits in summer and drops into the 40s in winter, which works the seals and hardware hard. The Westside and Santa Monica deal with salt air and coastal fog that corrode cheap hardware and shorten the life of wood frames. Older housing stock, especially the 1920s to 1960s homes in Sherman Oaks, Encino, and Van Nuys, often has out-of-square rough openings that need correction before a new unit will seal. We also work under California's Title 24 energy code, which sets minimum performance for replacement windows. That means the glass package has to meet the standard, and on permitted jobs the inspector will check it. If you are looking for casement window installation cost Los Angeles pricing, the biggest variables are frame material, glass spec, and whether the rough opening needs repair. We handle the permit and the inspection so you are not chasing paperwork.
Neighborhoods We Serve
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Sherman Oaks
A lot of 1940s and 1950s homes here still have original wood casements. The rough openings are often out of square, so we check and correct before setting new units.
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Santa Monica
Salt air and fog corrode hardware fast. We spec stainless or corrosion-resistant cranks and hinges on ocean-facing casements to get more life out of them.
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Woodland Hills
West-facing walls take the worst afternoon sun. Low-E glass and argon gas make a real difference on cooling bills here, and we quote them as standard on those elevations.
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Pasadena
Many homes here are older and have character trim that needs to be matched. We measure the existing profile and order casements that fit the original look.
Local Conditions We Plan For
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Valley summer heat above 100 degrees
Heat stresses vinyl frames and sealants, so we use higher-temp caulk and check that the frame is rated for the exposure. This is also why low-E glass matters on west and south walls.
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Coastal fog and salt air
Corrosion eats cheap hardware and wood frames. We spec corrosion-resistant hardware and seal wood units properly on the Westside.
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Older housing stock with out-of-square openings
A new window will not seal in a racked opening. We check square and repair the framing before the unit goes in, which adds time but prevents leaks.
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Title 24 energy code requirements
Replacement windows have to meet minimum performance standards. We spec the glass package to comply and handle the permit and inspection on permitted jobs.
Sherman Oaks bungalow, four casements
Casement window problems we fix in Los Angeles
Most casement calls come down to one of a handful of failures. Here is what we see most often and how we handle it.
Problem
Crank spins but the sash will not move
The window is stuck open or stuck shut, which means no airflow in summer and a security gap if it will not close. The operator gear has stripped, and it will not fix itself.
Our Fix
We replace the operator or the whole unit, depending on the age of the window. On newer windows, a new crank mechanism is often enough. On older units where the hinge is also worn, a full casement replacement is the better long-term call.
Problem
Foggy glass between the panes
A broken seal lets moisture in, and the fog only gets worse over time. You lose the insulating value of the glass, and you cannot clean it from either side.
Our Fix
The sealed unit has failed, so we replace the insulated glass unit or the whole sash. If the frame is still solid, a sash swap saves money. If the frame is failing too, we quote a full casement replacement.
Problem
Drafts and high energy bills
Air leaking around the sash means your AC runs longer and your bill climbs. In a west-facing Valley room, that can add up fast over a summer.
Our Fix
We check the weatherstripping, the hinge side, and the sill. Sometimes new weatherstripping and a hardware adjustment solve it. When the frame itself is warped, a new casement with low-E glass and argon gas is the fix.
Problem
Water leaking at the sill
Water getting in at the sill leads to rotted window frames, stained drywall, and eventually mold. It usually shows up during the first big rain of the season.
Our Fix
We pull the window, inspect the framing, replace any rotted wood, and reinstall with proper sill flashing and silicone caulk. This is the detail that stops the leak for good.
Problem
Noise from the street
Single-pane or poorly sealed casements let traffic noise straight through. If you live near the 101 or a busy boulevard, it affects sleep and focus.
Our Fix
We install dual-pane or laminated glass casements and make sure the frame is square and sealed. A tight frame plus the right glass cuts noise noticeably, even on a busy street.
Why homeowners replace casement windows
A casement window is the best-operating window you can put in a bedroom, kitchen, or anywhere you want airflow without giving up wall space. Here is what changes once the old units come out.
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Better airflow per window
A casement opens the full sash outward, so a single 30-inch unit moves roughly 50 percent more air than a same-size single hung. In a San Fernando Valley bedroom that hits 95 degrees in August, that difference is the whole point. You get cross-breeze without running the AC all afternoon.
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Tighter seal, lower bills
Casements pull the sash against the weatherstripping when you crank them shut, which is a tighter seal than a slider can manage. Pair that with low-E glass and argon gas, and you cut heat gain on west-facing walls. Many of our Los Angeles customers see a measurable drop in summer cooling costs.
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Quieter rooms near traffic
If you live off Ventura Boulevard or near the 101, noise infiltration is real. A properly set casement with laminated or dual-pane glass knocks down street noise noticeably. We also check that the frame is square, because a racked frame leaks sound no matter how good the glass is.
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Fewer leaks and drafts
Old casements leak at the hinge side and the sill. We set new units on window setting blocks, flash the sill, and caulk the perimeter with silicone, which is what stops water leakage during a January rain. That is also how you keep rotted window frames from coming back.
Licensed, insured, and accountable
Licensed & Certified
- California Contractor License — issued by California State License Board (CSLB)
- ENERGY STAR Partner — issued by U.S. Environmental Protection Agency
- AAMA Certified Installation — issued by American Architectural Manufacturers Association
- NFRC Rated Products — issued by National Fenestration Rating Council
- OSHA Safety Compliance — issued by Occupational Safety and Health Administration
Verified Reviews
Google ★★★★★4.9
Replaced five casements in our Encino home. The crew showed up on time, protected the floors, and had the old windows out and the new ones in by late afternoon. They walked us through the cranks and locks before they left. No surprises on the bill.
Yelp ★★★★★4.8
We had a casement that would not close all the way and another with fogged glass. American Reliable quoted a sash replacement on one and a full unit on the other, which saved us money. Honest assessment, clean work.
BBB A+
Used them for a full-frame casement replacement in North Hollywood after water damage at the sill. They repaired the framing, flashed it properly, and passed inspection without a hitch. Two rainy seasons later, still dry.
Google ★★★★★5.0
Got three quotes for casement window replacement in Los Angeles, California. American Reliable was the only one that checked the rough opening before quoting. Price was fair and the install was spotless. They hauled away every bit of the old windows.
What Los Angeles homeowners say
Real experiences from customers who chose our Casement Window Replacement services.
“We had four casements in the back bedrooms that would not crank shut all the way, and you could feel the heat coming in. American Reliable measured on a Tuesday and had the new Milgard units in about three weeks. Install took one day. The rooms are noticeably cooler and the cranks actually work.”
M
Marisol R.
Homeowner, Sherman Oaks
“Our 1960s casements had foggy glass on the ocean side and the frames were starting to rot at the sill. They replaced the units with fiberglass and re-flashed everything. Two winters later, no leaks. They also matched the trim color, which I did not expect them to bother with.”
D
Danny K.
Homeowner, Santa Monica
“I got three quotes for casement window replacement in Los Angeles, California and American Reliable was the only one that actually got on a ladder to check the rough opening before quoting. Price was in the middle, but the install was clean and they hauled away every bit of the old windows. Would use them again.”
P
Priya S.
Homeowner, Woodland Hills
Frequently Asked Questions
Real answers to the questions we hear most often from local homeowners and property managers.
How much does Casement Window Replacement cost in Los Angeles?
Most single casement replacements in Los Angeles run $650 to $1,400 per window installed, depending on size, frame material, and glass package. Vinyl sits at the low end, fiberglass and wood at the high end. Full-frame jobs cost more than insert replacements because of the extra trim and flashing work. We give you a written number after measuring, so there is no guessing.
What is casement window installation in Los Angeles CA?
It is the removal of your old crank window and the installation of a new side-hinged unit that opens outward. The installer sets the frame on shims, levels it, flashes the sill, and caulks the perimeter. In Los Angeles, that also means matching the window to the existing stucco or wood trim. A typical install takes 45 to 90 minutes per window.
Who offers Casement Window Replacement near me in Los Angeles?
American Reliable Windows & Doors covers all of Los Angeles County, from Sherman Oaks and Woodland Hills to Santa Monica and Pasadena. We have been installing casements since 2010. Call +1 (747) 298-4287 and we can usually get an estimator out the same day. We serve ZIP codes including 91367, 90291, and 91316.
Are casement windows good for Los Angeles homes?
Yes. Casements seal tighter than sliders and catch more breeze, which suits the Valley's hot summers and the coastal fog belt alike. They also work well on narrow walls where a slider will not fit. The main thing is choosing the right glass package for the sun exposure, which we walk you through during the estimate.
Related Services
Full Frame Window Replacement
When the rough opening is rotted or out of square, a full frame replacement is the right call. We remove the entire old frame, repair the opening, and set a new casement with fresh flashing. This is common in older Los Angeles homes where the original wood has taken on water.
View Full Frame Window ReplacementRetrofit Window Replacement
A retrofit keeps your existing frame and drops a new casement into it. It is faster and cheaper than a full frame job, and it works well when the original frame is still solid. We measure the opening carefully so the new unit fits without gaps.
View Retrofit Window ReplacementInsert Window Replacement
Insert replacement fits a new casement inside the existing frame with minimal trim work. It is a good option for condos and rentals where you want a clean upgrade without touching the exterior stucco. We check the sill for water damage before we commit to this approach.
View Insert Window ReplacementWindow Sash Replacement
If the frame is fine but the sash is rotted or the glass is fogged, a sash replacement saves you the cost of a full unit. We match the new sash to your existing frame and hardware. This is often the smartest fix for a single failed casement in an otherwise healthy set.
View Window Sash ReplacementDouble Hung Window Replacement
Double hung windows slide up and down and tilt in for cleaning. They are a common alternative to casements in bedrooms where you want ventilation without a crank sticking into the room. We can quote both options side by side so you can compare.
View Double Hung Window ReplacementSingle Hung Window Replacement
A single hung has a fixed top sash and a sliding bottom sash. It costs less than a casement and works well on walls where airflow is not the priority. If you are replacing a mix of windows, we can blend single hungs and casements in the same elevation.
View Single Hung Window ReplacementContact American Reliable Windows & Doors
Call +1 (747) 298-4287 or email us and we will get you on the schedule. We answer the phone seven days a week and can usually book a same-day estimate if you reach us before noon. Tell us how many windows, what material you are leaning toward, and whether anything is broken or leaking.
American Reliable Windows & Doors
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Phone
+1 (747) 298-4287 -
Address
6161 Van Nuys Blvd Van Nuys, CA 91401, Los Angeles, California
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Hours
Mon–Fri: 7AM – 7PM
Sat: 8AM – 4PM
Sun: Emergency Only
24/7 Emergency Available