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
PGT Construction in Los Altos, CA | Moreno Valley Builders
We provide independent Los Altos General Contractor PGT window and door service across Los Altos, from 94022 to 94024. What sets our PGT work apart here is that we understand how the city’s strict single-story and floor-area-ratio limits in the older ranch neighborhoods shape every opening we touch. When we spec a PGT WinGuard or PremierVue unit in Los Altos, we are working with the as-built reality of a 1950s house, not a clean set of plan dimensions. Call (877) 752-3154 for a free estimate, and we’ll walk the property with you.
Why Los Altos Residents Choose Us for PGT Service
We install and service PGT windows and patio doors across the Peninsula and South Bay, including PGT service in Mountain View, and we’ve done enough of it in Los Altos to know how the product line actually ages here. Hot inland afternoons, cool nights, and months of dry sun do specific things to aluminum frames and glazing seals. The homeowner on a quiet street north of downtown does not need a lecture about window brands. They need someone who can pull a 20-year-old PGT unit, tell them whether it’s a reseal job or a replacement, and quote both numbers on the spot.
Noel Trevino, our owner, grew up in the Sunnymead Ranch area of Moreno Valley and has spent the better part of three decades building and renovating homes across California. He picked up the fundamentals at Riverside City College and has spent years correcting the kind of work that looks fine until you open the wall. That history matters on a Los Altos remodel, where the original framing rarely matches what’s on paper. We are an independent PGT service provider, not an authorized or manufacturer-affiliated dealer. We build to California code, not to a dealer program.
Styles & brands we work with
Common PGT Construction Problems We Solve in Los Altos
- Glazing seal failure on south and west-facing units. Los Altos gets hot inland afternoons with UV load 10 to 15 degrees warmer than nearby coastal towns. On PGT WinGuard and Architectural Series units that have been in place 12 to 20 years, the desiccant inside the insulated glass eventually saturates. The result is a hazy, silvery IGU that fogs between the panes and won’t wipe clean. The only honest repair is replacing the sash or the IGU, not polishing the glass.
- Aluminum frame pitting and chalky anodized finishes. Older PGT Architectural Series frames in Los Altos sit through dry-summer sun for months, then catch winter rain. The anodized finish on aluminum is not a paint; it’s a thin oxide layer, and once it fails the frame starts to pit and chalk. Homeowners often mistake this for dirt. On 1950s ranch homes, the failing finish is usually paired with a worn-out glazing channel, which means air leaks even if the glass is fine.
- Slider rollers and track wear. PGT sliding glass doors on the family-room or patio side of a 1950s Los Altos ranch have often been cycled daily for decades. The rollers flatten, the track gets scored, and the weatherstripping cracks. The door binds at the end of the track and lets dust in with every open. We replace rollers, clean or replace track, and re-shim the panel so it doesn’t drag.
- Out-of-square rough openings in original single-pane ranch walls. A 1950s ranch framing in Los Altos has settled. If you drop a new PGT frame into an opening that’s racked, the sill leaks or the jamb binds and the warranty argument starts before the caulk dries. We re-plumb the rough opening before we set the frame. It’s the part of the job a quick window swap always skips.
- Weatherstripping failure on PGT casement and awning units. PGT casements are quality units, but the bulb seal and leaf seal dry out and compress over time. On the older streets west of downtown Los Altos where houses sit with deep shade trees and cooler morning air, condensation forms on the interior frame edges. That condensation accelerates seal failure. Replacing the weatherstripping is a straightforward repair that restores the compression seal and strips the draft.
PGT Service in Los Altos: What Local Conditions Mean for Your Equipment
On the older streets just west and north of downtown Los Altos, a lot of the original ranch homes carry shallow setback violations and non-conforming lot coverage. Most homeowners never know until they apply for a permit. Here’s how that hits a PGT project specifically. You want to replace the original single-pane windows on a 1956 ranch, or you’re adding a second story and need impact-rated PGT WinGuard aluminum on the new upper floor. The city requires an as-built survey because the existing house does not match the official records. The addition triggers a variance because the floor-area-ratio limit was already exceeded decades ago. So before any PGT opening gets framed, you’re in plan check with a surveyor. We manage that process, but it changes the schedule and sometimes the scope. The PGT units themselves are not the holdup. The lot’s history is. On a recent ranch home off the old streets north of downtown, our crew opened a wall and found not only racked single-pane openings but a non-conforming coverage issue at plan check. We re-plumbed the rough openings and set PGT WinGuard aluminum units with fresh flashing and sill pans. The glazing finally sealed against the hot-afternoon sun and cool-night swing that defines this climate. If the details aren’t right on paper, they won’t be right in the wall.
PGT Models & Products We Service in Los Altos
We work on the PGT lines that show up most often in Los Altos homes: PGT sales & service covers the full range, but on the ground we most often replace and repair PGT WinGuard Aluminum impact-resistant windows and sliding doors, WinGuard Vinyl single-hung and sliding units, the older Architectural Series aluminum casement and awning frames, and PremierVue vinyl single-hung replacement windows. When a unit is otherwise sound, we specify PGT OEM replacement sashes, glazing, rollers, and weatherstripping. We go to quality aftermarket hardware only when OEM parts are discontinued or cost-prohibitive, and we tell you that decision upfront. We stock common PGT rollers, weatherstripping profiles, and sill-pan materials locally so a Los Altos repair doesn’t wait on a warehouse order from the East Coast.
See the difference
Before
After
Before
After
Before
AfterPGT Service Pricing in Los Altos
Every PGT project in Los Altos gets priced from a site visit, not a phone call. The numbers below reflect what we typically see across this market. A simple PremierVue swap-out on one side of a ranch home lands at the lower end. A whole-house impact window package or a second-story addition with PGT WinGuard aluminum lands at the upper end because the opening prep, flashing, and permitting work is heavier.
| Service | Typical Los Altos Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition | $45,000 – $130,000 |
The free estimate includes a walkthrough, opening measurements, and a line-item quote that separates materials from labor and permitting. You’ll know exactly what a PGT unit costs versus the prep work behind it. Call (877) 752-3154 and we’ll schedule a time. Estimates are free, and the quote won’t change once work starts unless you change the scope.
Serving Los Altos, CA — Our Local Coverage Area
We’re based in the Los Altos area and know this community well, and we also offer PGT service in Stanford. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Los Altos
Yes. If you’re only replacing like-for-like windows, the floor-area-ratio limit rarely applies. But if the project includes a second-story addition, a bump-out, or any change that increases conditioned floor area, the FAR limit from Los Altos’s zoning code applies directly. Many older ranch homes near downtown already exceed the current FAR, which means the addition triggers a variance. The PGT window order cannot be finalized until the as-built survey and plan check confirm the opening dimensions and the project’s compliance. We manage the permit path as part of the job, but the schedule impact is real. Call (877) 752-3154 and we’ll tell you whether your project will need the extra step. The estimate is free.
It depends on what you’re solving. Los Altos doesn’t require impact glazing the way some Southern California wildland-urban-interface zones do. But PGT WinGuard units do three things here beyond code: they cut solar heat gain on the south and west sides of a 1950s ranch, they reduce noise, and they last longer in the dry-summer UV load than standard builder glass. If you’re replacing windows anyway and the budget allows the step up, WinGuard is a sound choice. If the only goal is a cheap window swap, PremierVue vinyl is the better play. Call (877) 752-3154 to price both against your actual opening sizes. We’ll give you straight numbers, not a sales pitch.
The most common cause in Los Altos is roller flattening plus track scoring. Years of daily use on a patio or family-room door on a 1950s ranch home wears the nylon or steel roller wheels flat. Once the wheel is flat, the metal track scores and the door drags. Dust from the dry summer months gets into the track and compounds the grind. The fix is to replace the rollers, clean out the track, and re-shim the panel. If the track itself is deeply scored, we’ll replace it at the same time. Call (877) 752-3154 for a repair quote.
Mostly, yes. Original single-pane windows in Los Altos ranch homes leak air around the sash and conduct heat directly through the glass. Replacing them with PGT PremierVue vinyl or WinGuard aluminum tightens the air seal and adds a low-E coating that cuts solar heat gain. But the windows are only part of the envelope. If the walls are uninsulated, which many 1950s Los Altos homes are, a PGT window swap won’t fix all the heat gain. We’ll tell you what the window replacement does and what it doesn’t before you spend the money. Call (877) 752-3154.
Yes. Los Altos requires a building permit for window replacement when the work changes the opening size, alters the structural framing, or is part of a larger addition. Like-for-like swaps sometimes fall under a simpler over-the-counter permit, but any time the rough opening is re-plumbed or the header is touched, the permit is mandatory. We pull permits and pass inspections as part of the job. Call (877) 752-3154 and we’ll confirm what your specific scope requires.
Service Areas Near Los Altos
Our PGT work starts in Los Altos and extends to PGT service in Los Altos Hills, PGT service in Palo Alto, Mountain View, Sunnyvale, and Cupertino. We also serve the broader Los Altos service area including the 94022, 94023, and 94024 ZIP codes. If your home sits in one of the older ranch neighborhoods west of downtown, we’ve probably already worked on your street.
Book Your PGT Service in Los Altos Today
Call (877) 752-3154 to schedule a free Loyola PGT service estimate in Los Altos. We’ll walk the property, measure the openings, check the existing units, and give you a line-item quote on the spot. Same-week scheduling is available for most repair calls. Talk to Noel or the crew, and we’ll get you an answer.
Written by Noel Trevino, Owner and General Contractor at Moreno Valley Builders, serving Los Altos and the surrounding Peninsula communities.