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ES Windows Construction in Woodland Hills, CA | Mason Remodeling Co Woodland Hills
We provide independent ES Windows construction service across Woodland Hills, from full-frame replacements to sash rebuilds, glass swaps, and flashing corrections. The one thing that makes our ES Windows work different here is that we know the hills south of Ventura Boulevard, the heat that pushes 105°F in August, and the mid-century frames that were never flashed right in the first place. Call (831) 290-6866 for a free estimate. We’re not manufacturer-affiliated, and that independence means we repair what’s worth repairing and replace what isn’t, using the parts that actually hold up in this climate.
Why Woodland Hills Residents Choose Us for ES Windows Service

We’ve handled ES Windows on hillside remodels and mid-century ranch homes across Woodland Hills, giving our crew a working knowledge of their frame tolerances, glazing options, and install quirks without being tied to any manufacturer’s playbook. That matters when a Fortius casement is binding on a south wall or a Next Generation IGU has fogged after a Santa Ana blow. Isaac Pruett, our owner, grew up in Los Angeles and trained at Los Angeles Trade-Technical College before putting in years across the Valley, including a long stretch of projects near Warner Center. He knows what a 1965 ranch on a raised foundation does when the temperature swings fifty degrees in a day, and he prices ES Windows work straight: written price before anything starts, no verbal estimates that grow later.
We answer the phone around the clock. When you call about a sticking ES window or a fogged pane, a person picks up. You’ll get the name and photo of the technician before the visit, so you know exactly who’s coming to your door. For ES Windows sales & service, we carry the Threshold Standard: background-checked, identity-verified crews in marked uniforms who show a photo ID badge at the door.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Woodland Hills
- Warped sashes on south-facing elevations. Woodland Hills regularly exceeds 100°F in July and August, and a dark-finished ES sash on a south wall takes that heat all afternoon. Over enough cycles, the vinyl or aluminum can creep, and the sash stops seating square. We re-set or replace the sash, then adjust the reveal so it closes clean.
- Fogged IGUs after Santa Ana pressure swings. The Santa Anas don’t just dry out the hills; they produce rapid barometric shifts. An ES insulated glass unit with a weak perimeter seal will pull moisture in and fog. We replace the IGU, not the whole frame, when the frame is still sound.
- Stiff or seized hardware on casement windows. Dust from the dry season and repeated thermal expansion gum up ES operator mechanisms. A casement crank that turns like it’s full of sand is a common call in the flats north of Ventura Boulevard and the canyon neighborhoods to the south. We strip, clean, and re-lube, or spec an aftermarket operator if the original was chronically weak.
- Dry rot in stucco openings from improper original flashing. Many homes built from the 1950s through the 1970s in Woodland Hills got windows set with nothing more than caulk at the head. Years later, water has gotten behind the stucco and rotted the rough opening. We remove the unit, cut out the rot, re-flash properly, and reset the window.
- Seismic movement in older raised foundations. A surprising number of Woodland Hills homes still haven’t been bolted and braced. When the ground moves, window frames rack, and glass cracks or seals break. We see ES windows on hillside homes where the frame itself has shifted out of square. That’s a replacement situation, and we’ll tell you straight.
ES Windows Service in Woodland Hills: What Local Conditions Mean for Your Equipment
In the hills south of Ventura Boulevard, many ES Windows installs sit on “upside-down” houses where living areas are stacked above garages with zero lot lines. That means any full-frame replacement requires tall ladder and cantilever setups that flatland crews rarely face. On a recent job near Topanga Canyon Boulevard, our team worked off a 28-foot ladder set on a driveway with a 12-percent grade, leveling the base with plywood cribbing while we pulled a 9600 Series slider that had cracked at the corner. A flatland crew would have told you to hire a crane. We did it without one because we’ve done it enough times to know the setup. That’s the difference between a window company and a window company that knows Woodland Hills.
ES Windows Models & Products We Service in Woodland Hills
We service the full ES Windows line that shows up in Woodland Hills homes: the Fortius Series, Next Generation Series, 5200 Series, and 9600 Series. For rollers, locks, and operators, we use genuine ES components where they affect fit or finish, but we won’t hesitate to spec a better aftermarket runner when a legacy design is chronically troublesome. If a frame is sound, we repair it. If the frame has lost integrity, we replace it with a modern ES unit or a comparably spec’d alternative. We keep a working stock of common ES hardware in our Woodland Hills trucks so turnaround is faster than a special-order from the distributor.
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What you’ll actually pay depends on the frame condition, glass package, access, and whether we’re repairing a sash or pulling a whole unit. Here are the two most common line items for ES Windows construction work in Woodland Hills:
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
Every estimate is free and written. No verbal numbers that grow on the final bill. We walk the opening, check the frame, and give you a line-item price before anything starts. Call (831) 290-6866 for an exact quote.
Serving Woodland Hills, CA - Our Local Coverage Area
We’re based in the Woodland Hills area and know this community well as a Woodland Hills General Contractor. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – ES Windows Construction in Woodland Hills
ES Windows use tighter tolerances and heavier extrusions than many mid-market brands, which helps them hold square in heat, but the south-facing elevations in Woodland Hills still push any frame hard. The Fortius Series handles thermal cycling well because its frame profile resists flexing. Cheaper brands bow visible in the same conditions. Call (831) 290-6866 if your sashes are sticking or showing gaps.
If the frame is square and the sash is structurally sound, we replace just the IGU as part of our Bathroom Remodeling - Woodland Hills and window repair services. That’s often the right fix for fogged glass. If the sash has warped or the corners have separated, a new ES sash is the better call. Either way, we’ll show you the condition of the frame before you pay for anything.
It depends on your exact location and exposure. Some hillside areas of Woodland Hills fall within the Los Angeles Fire Department’s Very High Fire Hazard Severity Zone, where ember-resistant construction and defensible space rules apply. Impact-rated ES units make sense in those zones, both for wind-driven embers and the occasional rocks thrown by canyon winds. We can tell you if your street falls in that zone.
Thermal expansion. The Fortius frame in a dark finish on a south wall absorbs enough heat in Woodland Hills summers to grow a few thousandths of an inch, and the sash starts binding against the jamb. It’s not a defect; it’s physics. We can adjust the reveal or swap in a roller that tolerates the movement better. Call (831) 290-6866 and we’ll take a look.
Usually, yes. We’ve done full-frame replacements on hillside homes south of Ventura Boulevard using tall ladder and cantilever setups rather than cranes. It takes more time and careful rigging, but it avoids the cost and the street closure. We’ll tell you during the estimate if your specific site is a crane job. Estimates are free.
Service Areas Near Woodland Hills
We serve Woodland Hills and the surrounding area, including Sherman Oaks, Brentwood, Agoura Hills, Bel Air, and Mission Hills. If your ES Windows are in any of those neighborhoods, you can reach us on the same number. See our Woodland Hills service area page for details. We also provide ES Windows service in Sherman Oaks and ES Windows service in Brentwood.
Book Your ES Windows Service in Woodland Hills Today
Call (831) 290-6866 to schedule your free ES Windows estimate in Woodland Hills. A person answers, day or night. You’ll get a written price before work starts and a name and photo of who’s coming to your door. Tell me what you need done. I’ll tell you what it takes and what it costs. Then we get to work.
Written by Isaac Pruett, Owner at Mason Remodeling Co Woodland Hills, serving Woodland Hills since 2004.











