Windows & doors
Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Driveway & pavers
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
We provide independent ES Windows construction service across San Martin, handling everything from full-home window replacement to new additions with ES aluminum and vinyl lines. The difference here comes down to one thing: San Martin is unincorporated, so window work that alters a wall’s fire-defensible assembly has to clear Santa Clara County building review, not a quick municipal permit counter. That changes how we flash, spec, and install every ES unit on an acreage property. Call (877) 373-9230 to talk through what your project actually needs.

Our crew has installed and serviced ES Windows products across the south Santa Clara Valley long enough to know which hardware, glass packages, and frame details hold up under San Martin’s dry heat and marine-layer moisture. We’re not a manufacturer-authorized dealer and we don’t pretend to be. What we are is a general contractor who specs ES Windows because the extrusion quality and weather ratings fit this climate, and because we know exactly how to flash them for county fire review. From a single fogged slider to a full addition, we’re the crew that handles the whole envelope under one contract.
Why San Martin Residents Choose Us for ES Windows Service
Noel Cardenas, our owner, came up through a vocational trades program at Santiago Canyon College before spending years on residential and commercial builds, and he’s the first to tell you that window failure on a rural property is rarely just about the window. The material you pick today is the problem you solve, or the one you live with, ten years from now.
Being local to this valley means we’ve pulled county permits for window work on San Martin lots where the well is 300 feet from the house and the septic leach field sits right where you’d want to stage a lift. We schedule around vineyard harvest traffic on Watsonville Road and know which elevations on a ranch-style build take the worst of the afternoon heat, just as we do for Gilroy ES Windows service calls. Neighbors here don’t have time to babysit a contractor who has to learn the county’s quirks on their dime. We already know them.
Styles & brands we work with
- Kitchen remodeling
- Bathroom remodeling
- Home additions & ADU
- Roofing
- Windows & doors
- Driveway & pavers
- Fence
Common ES Windows Construction Problems We Solve in San Martin
- Weep system failure from marine-layer moisture. The marine layer that pushes in from Monterey Bay works into the weep channels of ES 8000 Series aluminum single-hungs, especially on south and west facing walls. You’ll see water staining below the corners and eventually fogged dual panes when the seal lets go. We pull the sash, clear or replace the weep system, and re-flash the rough opening if the frame is still sound.
- Vinyl sash warping from summer heat cycles. ES 3000 Series vinyl double-hungs on the afternoon side of a San Martin home bake in 95+ degree heat and then cool hard at night. The vinyl profiles expand and contract until the meeting rail no longer seals, which is why those windows get stiff in July and drafty in December. Sometimes a balance and weatherstrip replacement fixes it. Sometimes the sash profile itself has deformed and the unit is done.
- Ember-scorched weatherstripping and glazing gaskets. Fall wind events push embers across open pasture and vineyard ground in San Martin, and older ES units without ember-resistant detailing take damage to their soft seals even when the glass survives. If you’re in a fire-defensible review zone, we replace those with stainless hardware and ember-resistant screens, then bring the flashing up to current county standard.
- Frost-heaved sills cracking frame corners. San Martin’s uninsulated slabs and older pier foundations heave in winter frost, and the movement doesn’t stop at the wall. ES aluminum frame corners crack, the seal between frame and rough opening breaks, and suddenly you’ve got air and water paths that weren’t there before. We fix the sill, re-anchor the frame, and seal that opening the way a county inspector wants to see it.
- Fogged ES sliding glass doors on west-facing rooms. A 5000 Series vinyl slider that faces the afternoon sun on a San Martin ranch home can lose its insulating glass seal after enough heat-soak cycles. You might be able to replace the glass alone if the frame and rollers are still in good shape, but if the track’s worn or the frame flexed, a full door replacement makes more sense than paying twice.
ES Windows Service in San Martin: What Local Conditions Mean for Your Project
San Martin runs on well water and septic systems, not city utilities, and every construction project here has to clear Santa Clara County permitting instead of a municipal building department. For ES Windows owners, that has a direct consequence: any window change that alters a wall’s fire-defensible assembly or an opening’s size triggers county plan check review, and the plan checkers we deal with routinely ask for ignition-resistant detailing on aluminum units facing open vineyard or horse pasture. A window swap using a Morgan Hill ES Windows service might sail through over-the-counter review. The same swap on a one-acre lot off Llagas Road in San Martin gets flagged for ember screen specs and flashing membrane type. We build that into the scope from day one so you’re not standing at the county counter wondering why your “simple” window job just became a fire-safety submission.
On a one-acre horse property off Llagas Road, we replaced a set of failed ES 8000 Series aluminum single-hungs on the west wall where marine-layer moisture had corroded the weep channels and fogged the dual panes. We specified new ES aluminum units with stainless hardware and ember-resistant screens, then re-flashed the rough openings with county-required ignition-resistant membrane before the fall wind season. The homeowner now has windows that open freely and a wall assembly that passes county fire-defensible review. That’s the difference between a window contractor who knows San Martin and one who’s driving down from San Jose.
ES Windows Models & Products We Service in San Martin
We work on the full ES Windows lineup most common in this valley: the 8000 Series aluminum single-hung, the 3000 Series vinyl double-hung, the 5000 Series vinyl sliding glass door, and the 9000 Series aluminum casement. When a frame is sound, we source OEM ES hardware: sash balances, glazing beads, and weatherstripping. Aftermarket vinyl and aluminum profiles rarely match ES extrusions exactly, and forcing them in can ruin the unit’s weather performance. When frame corrosion or glass seal failure has gone too far, we say so and recommend full-unit replacement instead of patching something that’ll fail again in two seasons. For full ES Windows sales & service, we spec the right unit for each opening rather than defaulting to whatever’s on the shelf.
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AfterES Windows Service Pricing in San Martin
Window work in San Martin varies based on frame condition, opening count, and whether the county requires fire-defensible upgrades on the elevation in question. These are the ranges we work within for typical projects:
| Service | Price Range |
|---|---|
| Window Replacement | $4500 – $15000 |
| Home Addition (window scope) | $45000 – $130000 |
What drives the number: how many openings, whether frames are salvageable, glass package, and how much of the rough opening needs re-flashing for county review. A free estimate from us includes a written line-item scope so you can see exactly where the money’s going. Call (877) 373-9230 to schedule yours.
Serving San Martin, CA - Our Local Coverage Area
We serve San Martin and nearby communities. Also see ES Windows in Corralitos. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – ES Windows Construction in San Martin
Yes, in most cases. San Martin’s unincorporated status means Santa Clara County plan checkers evaluate window changes on their effect to the wall’s fire-defensible assembly, and elevations facing open pasture or vineyard often require ignition-resistant flashing membrane and ember-resistant detailing. We build that into the scope before permit submittal so the inspection doesn’t stall. Call (877) 373-9230 if you want us to check your project against current county requirements.
The vinyl sash profiles on ES 3000 Series double-hungs expand in San Martin’s intense summer heat, especially on south and west facing walls, and the meeting rail binds until the unit cools. Sometimes replacing balances and weatherstripping restores smooth operation. If the sash itself has permanently deformed, you’re looking at replacement. Call (877) 373-9230 and we’ll tell you which situation you’re in.
Glass replacement alone works when the frame, rollers, and track are still solid and the fogging is strictly a failed insulating glass seal. If the frame has flexed or the track’s worn, a full ES door replacement is usually the better long-term move. Either way, we’ll walk you through what the unit actually shows us. Call (877) 373-9230 for an honest read.
For most additions on San Martin’s large-lot homes, we spec ES 9000 Series aluminum casements or 8000 Series single-hungs with stainless hardware, especially on elevations facing open pasture where county fire review applies. The aluminum lines handle the heat cycling better than vinyl on exposed walls. Your exact scope depends on orientation and opening size, so call (877) 373-9230 to talk through the layout.
Yes, ES impact-rated units are available and they do strengthen your position with Santa Clara County plan checkers because they add a layer of resistance to wind-driven debris and ember entry. Impact windows don’t automatically waive ignition-resistant flashing requirements, but they’re a meaningful upgrade when combined with proper ember-resistant detailing. Call (877) 373-9230 to price impact-rated ES units for your specific elevations.
Service Areas Near San Martin
While San Martin is home base for this work, our ES Windows crews also serve surrounding communities across the south Santa Clara Valley, including San Martin service area coverage that extends into ES Windows service in Amesti and ES Windows service in Aptos Hills-Larkin Valley. If you’re on a county road or rural lot nearby, we likely already know the permit path.
Book Your ES Windows Service in San Martin Today
If your ES Windows are failing on a San Martin acreage home, don’t wait until the next wind season exposes the problem. Call (877) 373-9230 to schedule a free estimate, and we’ll show up knowing exactly what your county review requires. One contractor. Every phase.
Written by Noel Cardenas, Owner at Garden Grove Contractors, serving San Martin and the south Santa Clara Valley.