Windows & doors
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FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
ES Windows Construction in San Martin, CA | Moreno Valley Builders
We provide independent ES Windows service across San Martin, CA – installation, repair, and rebuilding of 2000, 5000, 6000, and 8000 Series windows and doors, with OEM parts whenever they’re available. What makes our ES Windows work different here comes down to one thing: San Martin is unincorporated, which means county permits and well-and-septic clearances shape every opening we touch. If you’re dealing with a binding sash, a fogged unit, or planning a full window replacement, call (877) 752-3154 for a free estimate.
Why San Martin Residents Choose Us for ES Windows Service
We know ES Windows the way a mechanic knows a particular engine. The 2000 Series aluminum single-hung has a specific tendency to bow on south- and west-facing walls after enough triple-digit summers. The 5000 Series vinyl double-hung doesn’t rack on its own – it racks when the opening wasn’t shimmed for soil movement. Those aren’t brochure facts; they’re what we see when we pull a unit in San Martin. Noel Trevino, our owner and General Contractor – San Martin, grew up running framing, concrete, and mechanical systems coursework at Riverside City College before spending the better part of three decades building across the Inland Empire, and he’ll tell you the same thing he tells our crew: if the details aren’t right on paper, they won’t be right in the wall. That’s the standard we bring to ES Windows work in San Martin, from county permit coordination to final trim.
We’re the ES Windows sales & service team homeowners call when a previous contractor left a window that won’t latch or a patio door that grinds across the track. Full-scope general contracting is what we do – roofing, windows, additions, ADUs – and we coordinate the trades so you don’t have to.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in San Martin
- Aluminum 2000 Series thermal bow. Repeated 100°F+ San Martin summers distort south- and west-facing aluminum sashes. You’ll notice the window binds mid-track, the weatherstripping peels, or the latch won’t seat. We re-shim, reset, or replace the sash and get the frame back to closing flush.
- Vinyl 5000 Series frame racking. Parts of San Martin sit on expansive clay that swells and shrinks seasonally. If the original installer didn’t anchor and shim the opening for that movement, the frame twists and the sash drops. We pull the unit, correct the opening, and reinstall with proper anchoring – not another layer of caulk.
- Vinyl sliding patio door roller wear. Grit and pollen from San Martin’s rural lots work into the bottom track. Rollers flatten, the door drags, and the sill starts leaking. We replace rollers, realign the track, and rebuild the sill seal.
- Glass seal failure and fogging. Older ES vinyl units fog when the seal fails, and San Martin’s high summer UV load plus wide day-night temperature swings accelerate it. We can often rebuild the sash with new glass and hardware – no full-frame replacement needed.
- County permit stalls on window and door changes. If a window or door alters an opening or egress, Santa Clara County requires a permit, and many rural parcels need well and septic clearance sign-off first. Contractors who work mostly in incorporated cities stumble on this. We don’t.
ES Windows Service in San Martin: What Local Conditions Mean for Your Equipment
The single biggest difference between San Martin and, say, Gilroy or Morgan Hill is that window and door changes here don’t go through a city building department. They go through Santa Clara County, and on many of the larger rural parcels – including the ranch properties off San Martin Avenue and around the former orchard land east of Foothill Avenue – the county won’t issue a window permit until well and septic clearances are on file. That’s a step that catches plenty of contractors off guard. We’ve built our San Martin workflow around it: we verify the clearance status before we order the first sash, because a permit delay on a fogged patio door or a binding bedroom window means a gap in the wall for weeks, not days. For ES Windows owners specifically, that county layer also affects repair-versus-replace calls. If the frame on a 5000 Series unit is still sound, a sash rebuild avoids triggering a full permit review. If the frame has racked beyond shimming, we’ll tell you straight: the honest call is replacement, and we’ll file the county paperwork so the permit trail is clean.
This is what we mean when we say we know San Martin service area conditions – the soil, the sun, and the permitting path. Those three things drive every ES Windows decision we make out here.
ES Windows Models & Products We Service in San Martin
We install, repair, and rebuild across the ES Windows lineup we see most in San Martin homes: the 2000 Series aluminum single-hung, the 5000 Series vinyl double-hung, the 6000 Series vinyl sliding patio door, and the 8000 Series vinyl casement. We specify OEM ES Windows sashes, rollers, weatherstripping, and balances whenever lead times allow, and we’ll use equivalent-grade aftermarket hardware only when an OEM wait would leave your home with an inoperable opening. We always show you the difference before we order. For San Martin’s heat, we commonly recommend upsizing the glass package on west-facing walls – Low-E and a heavier solar heat gain coefficient – because a few degrees of afternoon sun is the difference between a comfortable room and a window you can’t touch.
See the difference
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AfterES Windows Service Pricing in San Martin
Window work here runs a wide range because a sash rebuild costs far less than a full-frame replacement on a shifting opening. Here’s what we quote in the San Martin market:
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair | $400 – $1,800 |
| Roof Replacement | $8,000 – $20,000 |
What drives your number: how many units, whether we’re rebuilding sashes or replacing frames, the glass package you choose, and whether county permits and well/septic clearances add steps. Every estimate includes the full scope in writing – no vague line items. Call (877) 752-3154 to schedule a free estimate in San Martin.
Serving San Martin, CA — Our Local Coverage Area
We’re based in the San Martin area and know this community well, and we also offer ES Windows in Corralitos. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ES Windows Construction in San Martin
Do I need a Santa Clara County permit to replace ES Windows in San Martin? Yes, if the replacement alters the opening size or affects egress. Many rural parcels also require well and septic clearance sign-off before the county issues the permit. We handle that paperwork as part of the scope. Call (877) 752-3154 and we’ll check your parcel’s status before quoting.
Why are my ES 2000 Series aluminum windows hard to close in summer? Aluminum expands under heat, and after enough 100°F+ San Martin afternoons, south- and west-facing 2000 Series sashes bow and bind in the track. The fix is usually re-shimming the sash or replacing it with a corrected glass package, not forcing the lock. Call (877) 752-3154 for a free inspection.
Can you fix a fogged ES vinyl window instead of replacing it? In most cases, yes. If the frame is still square and sound, we rebuild the sash with new glass and fresh hardware – OEM where available – and reinstall it in the same opening. Full replacement only makes sense when the frame itself has failed or racked on San Martin clay. Call (877) 752-3154 and we’ll tell you which camp your window falls into.
How does San Martin’s expansive clay affect ES window installation? Expansive clay swells when wet and shrinks when dry, and over time that seasonal movement racks window frames that weren’t shimmed and anchored for it. We re-shim and anchor every opening we touch in San Martin, which is the difference between a window that works for a decade and one that binds by the second summer.
Are you authorized by ES Windows? No. We’re an independent ES Windows service provider – not a dealer, not factory-authorized. That means we recommend repair-or-replace based on what’s best for your home, not on a manufacturer incentive. We stock OEM parts where they matter and use equivalent-grade alternatives only when OEM lead times would leave a unit inoperable.
Service Areas Near San Martin
We also cover ES Windows work in ES Windows service in Freedom, ES Windows service in Amesti, Gilroy, Morgan Hill, and the surrounding Santa Clara County communities. Same county permitting rules, same soil realities, same crew.
Book Your ES Windows Service in San Martin Today
If you’ve got a binding 2000 Series sash, a fogged vinyl unit, or a patio door that grinds, we’ll inspect it and give you a straight answer. Call (877) 752-3154 to schedule your free ES Windows estimate in San Martin.
Written by Noel Trevino, Owner at Moreno Valley Builders, serving San Martin and Santa Clara County with full-scope general contracting and independent ES Windows service.