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PGT Construction in Los Altos, CA | Milpitas Construction
We handle independent PGT service in Los Altos Hills and door service across Los Altos, from single-unit replacements to full packages tied into second-story additions. What makes our PGT work here different is that we plan every window and slider around design review, neighbor-privacy objections, and the 1950s – 70s ranch shells that dominate the city. Call (877) 752-4194 for a free estimate.
Milpitas Construction is an independent contractor. We are not authorized, endorsed, or warranty-connected to PGT, and we say that up front because it matters. We’ve logged years of PGT service in Mountain View and across Los Altos’s older ranch homes and the two-story rebuilds that replaced them, so we know how these units age in this specific climate-and-permit environment. That’s the knowledge that keeps a PGT slider working for 20 years instead of 12.
Why Los Altos Residents Choose Us for PGT Service
Most window companies in Los Altos treat a PGT install as a standalone swap. We don’t, because a PGT unit here is rarely standalone. It’s tied to a design review approval, a neighbor’s sightline, or a second-story addition that has to marry into an existing first-floor wall. Ken Stafford grew up near the Milpitas BART station back when that corridor was mostly warehouse lots, and he built his reputation on residential work that holds up through Bay Area soil shifts and seismic quirks. That instinct carries over to every PGT service in Stanford and Los Altos job we take. We measure rough openings against the approved elevations, not against a stock builder drawing, and we flag frame tie-in points before they become callbacks. Build it right the first time – the Bay Area doesn’t give you a free pass on shortcuts.
Styles & brands we work with
Common PGT Construction Problems We Solve in Los Altos
- Rotted rough openings behind original PGT sliders. Older stucco ranch homes in Los Altos have sill and head flashing that breaks down after years of dry-summer contraction and wet-winter soak. Water tracks into the rough opening and rots the framing behind the wall paper. We rebuild the opening, re-flash the sill, and reset the unit so it drains properly.
- Fogged or failed glazing on west- and south-facing PGT units. The original single-pane and early dual-pane units from the 1960s and 70s bake in Los Altos’s dry summer sun and lose their argon seal. You’ll see fog between the panes that never clears. That’s a replacement, not a repair.
- PGT frames installed out of square at second-story tie-in points. When a Los Altos addition gets a new window package tied into existing first-floor walls, we regularly find PGT frames slightly out of square at the joint. Rollers bind, latches don’t engage, and the slider drags. We re-square the opening and reset the frame before it gets worse.
- Undersized stucco returns at rear elevations. Tight side-yard setbacks on Los Altos lots push windows close to property lines. When the frame-to-wall joint has no backing, cracks propagate at the reveal and water gets in. We rebuild the return properly so the joint actually holds.
- Slider latch and roller failure from years of use. PGT sliders on mature Los Altos homes get heavy daily use. Rollers wear flat, latches stop engaging, and the door starts dragging. If the frame is square and watertight, we replace the hardware with OEM or OEM-equivalent parts and get it sliding easily again.
PGT Service in Los Altos: What Local Conditions Mean for Your Equipment
Los Altos runs discretionary design review on virtually every addition and second-story project. There’s no tract pattern to fall back on, which means a PGT window or door package on a remodel here is usually ordered against a set of approved elevations and a neighbor-privacy review, not against a stock builder drawing. Window sizes, mullion patterns, and slider locations get locked by the planning file before we ever measure the rough opening. That changes the whole job. If design review approved a specific mullion configuration, you can’t swap in a cheaper grid pattern mid-project without going back through planning. If a neighbor’s sightline objection shrank a second-story window, that size is set. We’ve worked enough PGT jobs in the 94022 and 94024 ZIP codes to know that the planning file is the real spec sheet. We order PGT units to match what’s already approved, then measure the rough opening to confirm the as-built matches the drawings. When it doesn’t, we fix the opening, not the permit.
One project that sticks with us: a two-story addition off a 1960s ranch in the 94022 flats. Our crew set PGT WinGuard aluminum units into the new second-story wall and found the existing first-floor sliders had lost their sill pans to a decade of winter rain. We rebuilt the rough openings, re-flashed the sills, and matched the new PGT glazing profile to what design review had already approved. The owner got a consistent envelope instead of a new story sitting on failing openings.
PGT Models & Products We Service in Los Altos
We work on the full PGT line that shows up in Los Altos homes. That includes PGT sales & service for WinGuard impact-rated aluminum windows, the WinGuard Aluminum non-impact series, Vinyl Series sliding glass doors, and Aluminum Series multi-slide and hinged patio doors. When a PGT frame is still square and watertight, we use PGT OEM or OEM-equivalent hardware and glazing. When the frame is warped, the wall opening is wrong, or the glazing seal is gone, replacement beats a patch, and we’ll tell you which side of that line you’re on rather than sell a repair that won’t hold. We keep common PGT hardware stocked for fast turnaround across Los Altos, and we order glazing packages to match what’s already in your home.
See the difference
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AfterPGT Service Pricing in Los Altos
Window and door pricing on PGT work in Los Altos depends on unit count, impact rating, and whether we’re working against an existing opening or a new addition rough-in. Here’s what current Los Altos jobs run:
| Service | Typical Los Altos Range |
|---|---|
| Impact Window Installation | $8,000 – $25,000 |
| Window Replacement | $4,500 – $15,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
A free estimate from us includes a measurement of your rough openings, a check of window square and plumb, and a walkthrough of which PGT units can stay and which need replacement. We spec materials by name, so you know exactly what’s going into your home. Call (877) 752-4194 to schedule yours.
Serving Los Altos, CA — Our Local Coverage Area
We’re based in the Los Altos area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Los Altos
Not usually. Los Altos is not in a hurricane or high-wind zone, so impact-rated WinGuard units are typically a preference, not a code requirement. Most additions here use PGT’s non-impact aluminum or vinyl lines. If you want impact-rated for noise reduction or extra strength, we can quote it, but you won’t need it to pass inspection. Call (877) 752-4194 for an exact quote.
Yes, and more often than you’d think. Los Altos planners and neighbors review window placement, mullion patterns, and slider locations on second-story additions. A window that faces a neighbor’s yard may get shrunk or repositioned at the hearing. We work from your approved elevations, not the builder drawing, and we’ll flag any conflict before we order PGT units.
If the frame is square and watertight, we repair it with OEM or OEM-equivalent rollers and latch hardware. If the frame is warped or the sill pan is rotted out, replacement is the honest call. We’ll show you the condition of the rough opening before we recommend anything. Call (877) 752-4194 and we’ll tell you which side of that line you’re on.
Garage conversions in Los Altos go through the same discretionary design review as additions, so window sizes and placements get locked before framing starts. We set PGT units to the approved elevations, then verify the rough openings match. We handle garage conversions from $30,000 to $80,000, including the window and door package. Call (877) 752-4194 for a conversion estimate.
No. We’re an independent contractor and have no authorization, endorsement, or warranty relationship with PGT. We use PGT OEM or OEM-equivalent parts because they fit and last, not because we’re a factory rep. That independence means we recommend what’s right for your Los Altos home, not what a manufacturer program tells us to push.
Service Areas Near Los Altos
We serve all of Los Altos and the surrounding area, including Los Altos service area coverage across the 94022, 94023, and 94024 ZIP codes. If you’re nearby in PGT service in Loyola or PGT service in Cambrian Park, we can reach you quickly. We also take PGT window and door work in surrounding cities and neighborhoods where the housing stock and design review process look a lot like Los Altos. If you’re within a short drive, call and ask.
Book Your PGT Service in Los Altos Today
If your PGT windows or sliders are failing, or if you’re planning a Los Altos General Contractor addition or ADU that needs a PGT package tied to design review, call (877) 752-4194. We’ll schedule a free estimate, walk your openings, and tell you what’s worth repairing and what isn’t.
Written by Ken Stafford, Owner at Milpitas Construction, serving Los Altos and the surrounding Bay Area.