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ECO Window Systems Construction in Brentwood, CA | Mason Remodeling Co Woodland Hills
We’re Mason Remodeling Co Woodland Hills, a General Contractor in Brentwood, and we provide independent ECO Window Systems construction service across the area. Our crews replace full window walls, retrofit sashes, and handle impact-window installs on homes from the Villages at Brentwood to the older estate properties off Balfour Road. What makes our ECO work different here is simple: we’ve pulled enough heat-warped vinyl and fogged glass out of Brentwood homes to know exactly which failure shows up on which tract, and how to fix it so it stays fixed through another 100-degree summer. Call (831) 290-6866 for a free estimate on any ECO Window Systems project.
Why Brentwood Residents Choose Us for ECO Window Systems Service

We’ve spent years working on ECO Window Systems installations across Brentwood’s master-planned tracts, from stucco-home retrofits to large estate builds. That hands-on time means we don’t guess at how these windows behave in inland East Contra Costa heat or how they respond to freezing tule fog. And that matters, because an ECO window installed correctly in Brentwood is a different animal than the same window hung in a coastal climate.
Isaac Pruett, our owner, grew up in Los Angeles and trained at Los Angeles Trade-Technical College before spending years on job sites where the work had to hold up to heat, dry seasons, and whatever surprise sat behind the next wall. He built Mason Remodeling around a simple rule: show up when you say you will, price the job straight, and finish without leaving a punch list for the homeowner to chase. That’s how we run every ECO Window Systems job in Brentwood.
We’re also an independent service provider. We are not manufacturer-affiliated or authorized by ECO Window Systems, and we don’t pretend to be. What that means for you is honest advice on repair versus replacement, access to OEM components where they make sense, and high-grade aftermarket parts when OEM lead times would stall your project for weeks. Every technician who arrives at your Brentwood door is background-checked, identity-verified, in a clean marked uniform, and carrying a photo ID badge. You get their name and photo before the visit. That’s the Threshold Standard, and we’ve held to it since 2004. Explore the full scope of our ECO Window Systems sales & service.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Solve in Brentwood
- Vinyl frame expansion and air leaks on ECO 3000 double-hungs. Brentwood’s summer afternoons hit 100°F, and that heat expands vinyl frames enough to compress weatherstripping at the meeting rail. Homeowners notice daylight at the sash seam or feel a draft even with the window closed. We replace the degraded seals and, where the frame has deformed, swap in new sashes rather than trying to force an old one back into shape.
- Fogged or hazy glass on ECO 5500 series windows. When winter tule fog cycles roll through Brentwood and soak the windows for days, older ECO 5500 units with saturated desiccant start fogging between the panes. That’s not surface condensation you can wipe off; it’s a failed sealed glass unit. We pull the glass and install new units, either OEM or fully dimensioned aftermarket sealed units that match the frame exactly.
- Stiff or warped casement sashes on west-facing ECO 7500 units. Repeated thermal cycling on west-facing walls in Brentwood dries out hinge lubricant and can slightly warp the sash. Homeowners find themselves wrestling the crank by late summer. We re-lubricate or replace the hinge hardware and check the sash for a true seal before calling it done.
- Loose hardware and misaligned locks on larger sliders and patio doors. Newer Brentwood developments with stucco-clad homes experience some settlement in the first decade. That movement shows up in ECO sliders and patio doors as locks that no longer line up, handles that rattle, or panels that drag. We re-shim and realign the frame, then resecure the hardware so it operates without a fight.
- Seal failure around retrofit windows in stucco walls. Many Brentwood homes have ECO windows installed in stucco with a wide-trim retrofit approach. When the perimeter seal fails, the first sign is often water staining at the interior drywall corners. We remove the trim, replace the sealant with a product suited to stucco’s expansion and contraction, and re-flash the opening correctly.
ECO Window Systems Service in Brentwood: What Local Conditions Mean for Your Equipment

Brentwood’s post-2010 tracts, including the Villages at Brentwood, have a much higher proportion of stucco-clad, tile-roofed homes with factory-installed ECO windows than neighboring Oakley. That single fact changes how window replacement and repair work gets done here. In a wood-sided home, you can pull trim and reach the flange directly. In a stucco home, every window opening requires wide-trim retrofit techniques, careful stucco cutting, and patching that matches the wall texture and paint. Missing any of that leaves a gap that shows up first as a draft, then as water intrusion.
Our crew replaced a full wall of west-facing ECO 3000 double-hungs on a Fairview Avenue home in the Villages at Brentwood after the homeowner reported visible daylight at the meeting rails every summer afternoon. We pulled the sashes, found compressed and heat-degraded weatherstripping plus failing corner seals, and installed new OEM-grade replacement sashes with upgraded foam-core frames and stainless steel hardware. We scheduled the removal for 7 a.m. to beat the Brentwood heat and finished the stucco touch-up by early afternoon, leaving the wall airtight and smooth-operating. That’s the level of care these homes require, and it’s why we also see more homeowners requesting Brentwood Bathroom Remodeling and solar-ready window packages to pair with planned-power-shutoff resilience upgrades.
We serve the whole Brentwood area, and you can see our coverage here: Brentwood service area.
ECO Window Systems Models & Products We Service in Brentwood
Our crews work on the full ECO Window Systems residential lineup. The ECO 3000 Series vinyl replacement windows show up most often in Brentwood’s master-planned communities, and they’re the model we see most frequently with heat-related seal and weatherstripping failures. The ECO 5500 Series double-hungs are common in homes from the late 2000s and early 2010s, and those are the units we most often replace fogged glass in after winter tule fog cycles. The ECO 7500 Series casement and awning windows appear on many larger estate properties and custom builds on the city’s outskirts. We also install and service the ECO ImpactGuard Series for homeowners who want impact-rated protection.
For parts, we replace failed glass units and weatherstripping with either OEM ECO components for a precise fit or high-grade, fully dimensioned aftermarket sealed units when OEM lead times would stall the project. We stock common ECO sash sizes and weatherstripping profiles locally for faster Brentwood turnaround. When a unit has severe vinyl frame cracking or widespread seal failure and it’s already 12 – 15 years old, we tell homeowners straight: full sash or window replacement beats piecemeal repair.
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AfterECO Window Systems Service Pricing in Brentwood

Here are the ranges for the ECO Window Systems work we handle most often in Brentwood. These are market-calibrated ranges for this area, not national averages, so they reflect local labor and material costs.
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition | $45,000 – $130,000 |
What drives the price is the size and count of the windows, whether the home is stucco or wood-framed, and whether we’re doing a full replacement or a sash-only swap. Every estimate is written, line by line, before any work starts. You’ll know exactly what you’re paying for and why. No change orders appear on the final bill unless you approved them first. Call (831) 290-6866 for a free estimate on your Brentwood ECO Window Systems project, and we’ll walk the property with you and put real numbers in your hand.
Serving Brentwood, CA - Our Local Coverage Area
We’re based in the Brentwood 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 – ECO Window Systems Construction in Brentwood
Yes. Stucco homes in Brentwood require a different flashing approach than wood-sided homes because stucco flexes and breathes differently, and a window flange buried directly in stucco without proper flashing will leak at the corners within a few years. We use wide-trim retrofit techniques with sealants rated for stucco’s thermal expansion, and we flash the opening so water drains away from the frame rather than behind it. If your Brentwood home has stucco walls, don’t let anyone install ECO windows with the same flashing method they’d use on a wood-sided house.
Fogging between the panes means the sealed glass unit has failed; the desiccant inside the spacer has saturated and can no longer absorb moisture. Brentwood’s tule fog season is rough on these units because the exterior glass stays cold and wet for days while the interior stays warm, and that thermal stress accelerates seal failure, even on relatively young windows. The fix is a new sealed glass unit, and we stock or source ECO-compatible units sized for the 5500 frame. Call (831) 290-6866 for an exact quote; estimates are free.
In most cases, yes, provided the frame itself is still square, the vinyl hasn’t cracked, and the original installation in the Brentwood stucco wall is intact. We’ve done sash-only replacements on many ECO 3000 units where the weatherstripping and corner seals failed but the frame remained solid. If the frame is warped from heat or the seal around the frame has failed, we’ll tell you plainly that a full window replacement is the better move, and we’ll show you why.
In the Villages at Brentwood, the most common issue we see is hardware loosening and lock misalignment caused by stucco settlement in the first five to ten years, plus seal failure on windows that face west and catch the full afternoon heat. On older estate properties on the city’s outskirts, we more often see fogged glass in units that are 15-plus years old and vinyl frames that have grown brittle through years of thermal cycling. The repair approach differs: new-tract homes usually need hardware realignment and seal replacement, while older homes more often warrant full sash or window replacement.
Yes. We install the ECO ImpactGuard Series for Brentwood homeowners who want impact-rated protection against wind-blown embers and debris. Impact-rated windows use laminated glass that holds together under impact, which is a meaningful line of defense in an area where dry summers raise wildfire risk. We’ll assess your current openings, explain what the ImpactGuard rating does and doesn’t cover, and give you a written quote before any work starts. Call (831) 290-6866 to schedule a free estimate.
Service Areas Near Brentwood
We run ECO Window Systems service across Brentwood and the surrounding communities. Our crews also serve ECO Window Systems service in Woodland Hills and ECO Window Systems service in Sherman Oaks, along with Agoura Hills, Bel Air, and Mission Hills. If you’re on the edge of our service area, call and ask; we’ll tell you straight whether we can get to you.
Book Your ECO Window Systems Service in Brentwood Today
Tell me what you need done. I’ll tell you what it takes and what it costs. Then we get to work. That’s how Isaac Pruett has run every job since 2004, and it’s how we’ll handle your ECO Window Systems project in Brentwood. Call (831) 290-6866 to schedule your free estimate.
Written by Isaac Pruett, Owner at Mason Remodeling Co Woodland Hills, serving Brentwood since 2004.











