Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
ECO Window Systems Construction in Los Altos, CA | San Mateo Construction
We provide independent ECO Window Systems service across Los Altos, CA, from single-sash re-glazing on original 1950s ranches to full-window packages on second-story additions and ADUs. One thing makes our ECO Window Systems work here different: we schedule around Los Altos planning and design review, so your window templates, rough openings, and even where we stage units get set only after plan check and any arborist review have settled. Call us at (855) 901-7266 for a free estimate on any ECO Window Systems window or door project in Los Altos.
Why Los Altos Residents Choose Us for ECO Window Systems Service
We have worked on ECO Window Systems products across the Peninsula long enough to know how these vinyl frames, sashes, and hardware behave under real Silicon Valley sun and winter rain rather than in a showroom. As an independent contractor, we service ECO Window Systems units every week and give straight advice on when a window or door can be re-glazed, re-sealed, or re-hung versus when it needs full replacement. Noel Carrington, who owns San Mateo Construction, grew up in San Mateo County and has spent roughly three decades on residential and light commercial jobs here, so he understands Los Altos ranch homes, hillside lots, and the design-review process that shapes nearly every project through our work as a Los Altos General Contractor. Tell me what you actually need, and we’ll figure out the right way to build it. That applies to a single fogged double-hung in Los Altos just as much as a whole-house window package.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Solve in Los Altos
- Vinyl frame and sash warping on south and west walls: Los Altos gets long, unshaded summer sun, and original ECO Window Systems units on exposed walls can bow or warp after years of that UV load. Warped sashes throw the unit out of square and break the weather seal. We re-square where possible and replace the sash when the frame geometry is gone.
- Failed glazing seals that fog the insulating glass unit: The original IGUs in older ECO installations lose their seal over time, and Los Altos owners see haze between the panes. We replace failed IGUs and re-seal, saving the frame when the vinyl is still sound.
- Worn balance springs and tilt-latch clips: Dust, dry heat, and years of use stiffen and then crack the balance springs and latches on double-hungs and casements. We carry compatible hardware and swap it out so the window actually stays up when you open it.
- Sliding glass patio door roller assemblies that bind: On Los Altos ranches where patio doors face the backyard, dry summer dust works into the rollers. The door gets hard to move, then the rollers fail outright. We replace the rollers and re-set the door so it glides.
- Water intrusion at the sill pan on retrofit units: Many original 1950s and 60s ranch rough openings were never flashed for modern replacement frames. We see sill rot and interior staining when ECO Window Systems units get retrofitted without new perimeter flashing. We re-flash the opening, install a proper sill pan, and re-set the unit before the next wet winter.
ECO Window Systems Service in Los Altos: What Local Conditions Mean for Your Equipment
Nearly every window project in Los Altos is scheduled around a tear-down-and-rebuild or addition permit moving through the city’s design-review-heavy process. That is not true in most neighboring cities to the same degree. So we often set final window templates and opening dimensions only after plan check and arborist review have settled, and on lots backing onto protected oak and redwood canopies near the hillside edges, tree-protection fencing can restrict where we stage and crane ECO Window Systems units before any glazing goes in. On a ranch rebuild off a wide Los Altos lot near the hillside edge, our crew pulled a set of fogged ECO Window Systems repair in Los Altos Hills double-hung units whose vinyl sills had warped and let winter rain wick into the original rough openings. We replaced the failed IGUs and tilt-latches, re-squared and re-flashed the openings with new sill pans, and re-set the sashes so the units sealed tight against the dry-summer-to-wet-winter swing. The homeowners got quiet, clear glass and no more sill staining before the first real storm.
ECO Window Systems Models & Products We Service in Los Altos
We work on the full ECO Window Systems range common across Los Altos: vinyl single-hung and double-hung replacement windows, sliding glass patio doors, picture and fixed-frame windows, and casement windows. We source genuine ECO Window Systems replacement sashes, balances, latches, rollers, and weatherstripping where the unit is still supported, and we match profile-compatible aftermarket glazing and hardware when OEM parts are discontinued. For common Los Altos failures we keep compatible balances, tilt-latch clips, sliding door rollers, and weatherseal in stock, which means faster turnaround on typical ranch and hillside properties. If the frame is warped or the rough opening has rot, we say so plainly and quote replacement rather than selling a re-seal that will fail again next winter.
See the difference
Before
After
Before
After
Before
AfterECO Window Systems Service Pricing in Los Altos
What you pay depends on how many openings, whether we are repairing sashes versus replacing full units, and what condition the original rough openings are in. Los Altos ranch frames from the 1950s and 60s sometimes need new sill pans and perimeter flashing before a new unit goes in, which adds labor but prevents repeat leaks. We give written line-item quotes, and estimates are free. Call (855) 901-7266 for an exact number on your Los Altos project.
| Service | Typical Los Altos Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
Serving Los Altos, CA — Our Local Coverage Area
We’re based in the Los Altos area and know this community well, offering Los Altos Home Remodeling services. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ECO Window Systems Construction in Los Altos
Yes, we can match ECO Window Systems units into a new addition while leaving the rest of the house untouched. We match frame profiles, glazing, and color as closely as the existing units allow, and we handle the new rough openings to current flashing standards. If the existing windows elsewhere are older, we’ll tell you honestly whether the profiles are still available or whether a near-match aftermarket option makes more sense. Call (855) 901-7266 and we’ll take a look at the existing units during your free estimate.
Most hard-to-open ECO Window Systems sliding doors in Los Altos are a roller assembly and track wear problem, and a repair is far less expensive than a new door. If the vinyl frame itself is warped or the sill is soft from water damage, replacement becomes the honest recommendation. We’ll tell you which situation you have after inspecting the track, rollers, and sill pan. Call (855) 901-7266 for a free diagnosis.
Fogging between the panes means the insulating glass unit’s seal has failed and moisture has gotten inside the IGU. Los Altos’s dry-summer, wet-winter climate puts repeated expansion and contraction stress on older ECO seals, so we see this frequently on original units during our ECO Window Systems repair in Stanford and surrounding area service calls. The fix is replacing the IGU or the sash, not the whole window, provided the vinyl frame is still square and sound. We quote it either way before work begins.
They can, especially on hillside lots and any property backing up to protected oak or redwood canopies. Tree-protection fencing and arborist review can restrict where we stage materials and how we get units to the openings. We build that into the schedule from the start so your window replacement in Los Altos keeps moving while the city’s requirements get satisfied. For a quote that accounts for your lot’s tree situation, call (855) 901-7266.
We remove the unit, inspect the rough opening for rot, replace any damaged framing, install a new sill pan and perimeter flashing, then re-set the window. Simply caulking over a leaking sill on a Los Altos ranch will fail again the next winter. Once the opening is properly flashed, the ECO Window Systems unit goes back in sealed tight. Call (855) 901-7266 and we’ll inspect the leak for free.
Service Areas Near Los Altos
We also serve homeowners in ECO Window Systems service in Mountain View and ECO Window Systems service in Loyola, plus the surrounding Peninsula communities. If you are outside Los Altos proper, ask whether we cover your street when you call. For more on the communities we work in, see our Los Altos service area page.
Book Your ECO Window Systems Service in Los Altos Today
For a free estimate on ECO Window Systems window repair, replacement, or new construction in Los Altos, call (855) 901-7266 and ask for Noel. We answer the phone, set a visit, and show up with the right parts.
Written by Noel Carrington, Owner at San Mateo Construction, serving Los Altos and the Peninsula with independent ECO Window Systems sales & service.