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ES Windows Construction in Los Altos, CA | Brookside Contractors
We provide independent ES Windows installation, repair, and construction support across Los Altos. We’re not tied to any manufacturer, and that changes how we approach the work. What makes ES Windows service different here is the rebuild pattern: most of what we do in Los Altos happens on mature lots in Old Los Altos, North Los Altos, and Loyola Corners, where second-story additions and tear-downs rewrite the window schedule around arborist reports and design review. Call (833) 725-3508 to talk to a contractor who has worked these openings.

Why Los Altos Residents Choose Us for ES Windows Service
We have pulled ES Windows units out of 1940s ranch walls and set them into brand-new second-story framing, and we know the difference between these two jobs. A unit that performs well in a showroom behaves differently once it is five or ten years into Los Altos’ long dry summers and wide day-night temperature swings. Nate Burrell, our owner, trained in construction technology at Gavilan College and spent two decades on job sites throughout the South Bay before Brookside Contractors took the lead on window and door scopes across Los Altos. He frames every opening like it is going to be inspected twice, because in Los Altos it usually is. We are an independent contractor, not affiliated with or authorized by ES Windows. That independence means we can tell you honestly when a frame is worth saving and when it is not. Our ES Windows sales & service work is built on that same repair-over-replace judgment.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Los Altos
- Fogged insulated glass units on ES vinyl sliders and fixed panes. Los Altos’ mild Mediterranean climate means almost no frost, but the dry heat and wide day-night swings eventually kill the seal on an insulated unit. We replace the glass, not the frame, when the frame is still sound.
- Perimeter seal and flashing failure where an ES unit met an old ranch wall. The 1940s to 1970s housing stock in Los Altos often has original rough openings that were never flashed correctly. Water tracks behind the frame, and you do not see it until the drywall swells.
- Hardware and roller wear on ES sliding doors and windows. Units opening onto rear-yard patios get heavy daily use in a climate where people live outside most of the year. Rollers flatten, tracks wear, and locks get sloppy.
- Frame racking and binding after a second-story addition. When a rebuild in North Los Altos changes the load path around original openings, old ES frames can rack and bind. The unit did not fail; the wall around it moved.
- WUI fire-hardening requirements along the Los Altos Hills edge. Homes in the 94022 and 94024 ZIPs near the wildland-urban interface often need ignition-resistant glazing and framing details that standard ES installations never addressed.
ES Windows Service in Los Altos: What Local Conditions Mean for Your Equipment
The thing that shapes ES Windows work in Los Altos more than anything else is not the weather. It is the trees. Los Altos’ tree-protection ordinance lets a mature heritage oak or redwood in the rear yard legally reshape a foundation and addition plan. An arborist report and root-zone setbacks often decide where the addition can actually go, and once that report lands, the window and door openings on a rebuild or second-story addition often get re-sited. That means our General Contractor in Los Altos orders wait on the tree report, not the other way around. On a second-story addition off a mature-lot rebuild in Old Los Altos, the arborist’s root-zone setback pushed the new rear wall and its ES Windows openings several feet in from where the architect first drew them, so we re-squared the rough openings and re-ordered the fixed and casement units to the revised plan before framing closed. During the same job we found the original single-story ES sliders fogged and binding on their rollers, and rather than push a full swap we replaced the failed glass units and hardware and re-flashed the perimeters where the old rough openings met the new wall. None of that shows up in a generic window quote.
ES Windows Models & Products We Service in Los Altos
We work on ES Windows vinyl single-hung and double-hung replacement units, ES Windows sliding glass patio doors, ES Windows fixed and casement picture-window combinations, and the older ES Windows aluminum-frame units from earlier retrofit generations. Our parts approach is straightforward: we source OEM ES Windows glass, sash, and hardware where the unit is still supported, and quality aftermarket equivalents when OEM parts are discontinued or uneconomical. A sound ES frame with a failed glass unit or worn hardware is usually an ES Windows repair in Stanford-style fix, not a replacement. When a full unit swap is genuinely the better call, we say so. We keep common glass sizes and hardware sets stocked locally so the turnaround for a Los Altos homeowner does not stretch into weeks.
See the difference
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AfterES Windows Service Pricing in Los Altos
The numbers below are what we see across Los Altos and the South Bay. No one can price your exact job without looking at your openings, your existing frames, and what your project actually involves. Here are the ranges we work within:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition | $45,000 – $130,000 |
What drives the cost: how many openings you have, whether the existing rough openings are square and sound, whether you are in a WUI zone requiring ignition-resistant glazing, and whether a tree report changes the opening locations before we order. Our free estimate gives you line-item numbers, not a lump sum. Call (833) 725-3508 and we will walk your property and tell you what you actually need.
Serving Los Altos, CA — Our Local Coverage Area
We’re based in the Los Altos 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 – ES Windows Construction in Los Altos
Yes. Under Los Altos’ tree-protection ordinance, the arborist’s root-zone setback can legally re-site where your new wall and window openings land, which means our ES Windows order waits on the tree report, not the other way around. Call (833) 725-3508 if you are mid-planning and trying to sequence this correctly.
Usually repair. A fogged unit is a failed insulated glass seal, and if the vinyl frame is still square and sound, we replace the glass unit and rebuild the hardware. Replacement runs $4,500 to $15,000 for a full window scope; a glass-only fix is a fraction of that. Call (833) 725-3508 for an honest read on your units.
Yes, if your home sits in the wildland-urban interface boundary along the hills edge, in ZIP 94022 or 94024, the county and city fire-hardening requirements can dictate ignition-resistant glass and framing details that a standard ES installation order never covers. We have navigated those approvals on ES Windows in Loyola and Los Altos rebuilds and additions.
It can. When the addition changes load paths around original openings, older ES frames that were fine for decades can rack and bind. We check every existing unit before and after framing so you are not chasing an ES Windows repair in Mountain View problem that actually came from the wall moving.
No. We are an independent contractor. That means we recommend repair when a unit is serviceable and replacement only when it genuinely is not, using OEM parts where supported and quality aftermarket equivalents when OEM is discontinued.
Service Areas Near Los Altos
Our Los Altos window scopes regularly extend into the surrounding area. We work ES Windows service in Los Altos Hills, where the WUI edge adds fire-hardening requirements to nearly every opening, and we run ES Windows service in Palo Alto for homes transitioning from older stock into full rebuilds. Our full Los Altos service area also reaches Morgan Hill, San Martin, and Gilroy for clients who want one contractor across their whole property.
Book Your ES Windows Service in Los Altos Today
Do it once, do it right – everything else is just a future repair bill. Call (833) 725-3508 to schedule a free ES Windows estimate in Los Altos. We will walk the openings, check the frames, and give you a written line-item quote before you commit to anything.
Written by Nate Burrell, Owner & General Contractor, Brookside Contractors, serving Los Altos and the South Bay.