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ES Windows Construction in Castroville, CA | San Mateo Construction
We provide independent General Contractor in Castroville ES Windows service across the 95012 zip code, from dual-glazed slider rebuilds to full replacement and new-construction installations on additions and ADUs. The thing that makes our work different here is simple: we know how ES Windows units actually fail in the damp, fog-heavy air off the Salinas Valley, and we know how Castroville’s tight, built-out lots shape every rough opening we touch. If you need an ES Windows installation or repair done right in Castroville, call us at (855) 901-7266. Noel Carrington runs our team, and he’ll be the first one to tell you whether a fogged unit is worth reglazing or the frame is too far gone to save.
Why Castroville Residents Choose Us for ES Windows Service
Most window contractors in Monterey County will install whatever brand the supply house has on the shelf this month. We’ve spent years installing and servicing ES Windows service in Elkhorn and across the Salinas Valley, so we know how their aluminum and vinyl lines hold up to coastal fog and how their factory mullions, screens, and hardware actually come apart in the field. We are an independent contractor, not affiliated with, authorized by, or sponsored by ES Windows, and we bring that working knowledge to every 95012 job. Noel started framing houses in San Mateo County decades ago, and he still approaches every window job the way he learned on Coyote Point: check the rough opening before you trust the spec sheet. That mindset matters in Castroville, where the old framing has been wicking marine moisture for fifty-plus years. We stock OEM ES Windows hardware and glazing components where they’re available, and we spec quality aftermarket rollers, weatherstripping, and screens when OEM lead times would leave a hole in a wall.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Castroville
Here’s what we see most often on ES Windows installations around Castroville:
- Fogged dual-glazed units from failed perimeter seals. The cool, damp fog that rolls through the Salinas Valley most of the year will find any weakness in a glazing gasket. Once moisture gets between the panes on an ES Windows dual-glazed fixed or awning unit, the view stays cloudy and the insulating value drops. We reseal and reglaze where the seal failure is caught early, and we’ll tell you straight when replacement glass makes more sense.
- Rot at the rough opening and sill on older installations. Much of Castroville’s housing stock is mid-century wood-frame, and those 1950s and 1960s sill plates have spent decades soaking up marine moisture. An ES Windows aluminum or vinyl frame is only as good as the wood it’s anchored into. We pull the unit, repair and flash the rough opening, and reset the window with drainage detailing that sheds water away from the wall instead of into the frame.
- Sliding patio door rollers and tracks caked with grit. Castroville sits in an agricultural working town economy, and that means dust and field grit find their way into aluminum sliding patio door tracks. Combined with coastal corrosion on the hardware, doors start to drag, then refuse to latch. We replace rollers, clean and realign tracks, and swap corroded hardware for OEM or quality aftermarket components that will actually move.
- Water intrusion at mullions and weep systems. On Castroville’s tight old-town lots, original ES Windows installations often went in with minimal setback and zero room for error at the mullion joints. When winter rains concentrate on those narrow side yards, water that should drain through the weep system backs up and finds the path of least resistance into the wall. We correct the flashing, clear the weeps, and seal the mullion joints properly.
- Sticking or binding Series 800 horizontal sliders. The ES Windows Series 800 horizontal sliding vinyl window is a common unit in Castroville homes, and age plus the damp air means the vinyl track wears unevenly and the sash starts to bind. Lubricant is a temporary fix. We rebuild the track, replace worn rollers, and reset the sash so it slides without half your body weight behind it.
ES Windows Service in Castroville: What Local Conditions Mean for Your Equipment
Castroville’s core near the old artichoke packing and downtown strip is built out on tiny lots, so ES Windows replacements and additions here almost always involve tight setbacks and zero-lot-line glazing, which means careful flashing and inspection of the existing rough openings rather than the open-lot installs you’d do a few miles away. This is not a generic window swap. On a narrow lot off the old town core in ES Windows repair in Las Lomas and 95012, we pulled fogged ES Windows Series 800 sliders out of a mid-century wood-frame home where the sill plates had soaked up years of marine moisture. We repaired and flashed the rough openings, reset new ES Windows units with proper weep and drainage detailing, and corrected the setback-side sealing so winter rain sheds away from the wall instead of into the frame. That job is what Castroville window work actually looks like. You’re not working with fresh tract framing and wide side yards; you’re working with damp framing, tight clearances, and openings that were cut fifty years ago before anyone thought about weep drainage. We plan for that on every 95012 job.
ES Windows Models & Products We Service in Castroville
We work on the full range of ES Windows product lines you’ll find in Castroville homes, including Series 800 horizontal sliding vinyl windows, Series 1300 single-hung vinyl windows, aluminum sliding patio doors, and dual-glazed fixed and awning units. When a unit needs new hardware, we use OEM ES Windows components where they’re available. When OEM lead times would leave a hole in a wall, we spec aftermarket rollers, weatherstripping, and screens that match the original dimensions and performance. If you’re planning a home addition or ADU in Castroville, we can also source and install new ES Windows units to match the existing windows on your property, so the new structure doesn’t look like an afterthought. We’re your independent source for ES Windows sales & service across the Salinas Valley.
See the difference
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AfterES Windows Service Pricing in Castroville
Here’s what ES Windows work typically costs in the Castroville market, depending on scope:
| Service | Typical 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 |
What drives the number? Condition of the rough opening is the biggest variable in Castroville. If the sill plate and jambs are solid, a straightforward window replacement moves fast. If we find rot from years of fog-driven moisture, the repair scope grows before we ever set the new unit. A free estimate from us includes opening inspection, a written line-item quote, and a straight answer on whether repair or replacement makes more sense. Call (855) 901-7266 to schedule yours.
Serving Castroville, CA — Our Local Coverage Area
We’re based in the Castroville area and know ES Windows service in Pajaro and 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 Castroville
No, we’re not. We are an independent contractor serving the Castroville service area, and we are not affiliated with, authorized by, or sponsored by ES Windows. That independence means we’ll give you an honest recommendation on repair versus replacement without a manufacturer’s upsell pressure.
Yes. We keep a stock of commonly needed rollers, weatherstripping, and hardware for ES Windows aluminum sliding patio doors, and we order OEM where lead times allow. If an OEM part would take weeks, we’ll tell you and spec a quality aftermarket match instead.
Sometimes. The fog is condensation between the panes, which means the perimeter seal has failed and moisture got into the airspace. If we catch it before the frame or spacer has corroded badly, resealing and reglazing can restore the unit for a few more years. If the frame is too far gone, we’ll say so and quote replacement glass. Call (855) 901-7266 for a straight diagnosis – estimates are free.
Yes, and this is where a lot of Castroville window work goes wrong. On zero-lot-line and setback-side walls, the mullion and weep detailing has to handle more concentrated rain runoff than it would on a standard open-side wall. We flash the rough opening, correct drainage at the sill, and seal the mullion joints so winter rain sheds away from the wall instead of backing up into the frame.
Most single-unit replacements on a mid-century Castroville home take one day once the unit is on site, assuming the rough opening doesn’t need structural repair. If we find rot at the sill or jambs, we add framing repair time, usually one to two additional days. We’ll give you a written schedule with your estimate, not a verbal guess. Call (855) 901-7266 to get the exact timeline for your place.
Service Areas Near Castroville
We also provide ES Windows service to homeowners in ES Windows service in Prunedale, ES Windows service in San Juan Bautista, Salinas, Marina, and Watsonville. If you’re on the edge of the 95012 boundary, call us and we’ll confirm coverage for your address.
Book Your ES Windows Service in Castroville Today
Tell me what you actually need, and we’ll figure out the right way to build it. If your ES Windows are fogged, dragging, rotted at the opening, or leaking at the mullions, call (855) 901-7266. Estimates are free, and we’ll give you a written quote you can actually work from.
Written by Noel Carrington, Owner at San Mateo Construction, serving Castroville and the Salinas Valley for over three decades.