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 Cupertino, CA | San Bruno Construction
We provide independent PGT window and door service across Cupertino, from the 95014 flats to the eastern hillsides. What makes our PGT work different here comes down to one thing: this city’s teardown-and-rebuild cycle means we’re constantly pulling, re-setting, or replacing PGT units during major remodels, and Cupertino’s strict permit pipeline forces window and door schedules to be locked in earlier than most homeowners expect. We’re an independent PGT service provider, not manufacturer-authorized or warranty-endorsed, which means we answer to you, not a corporate program. Call (866) 472-1908 for a free estimate on PGT repair or replacement anywhere in Cupertino.
Why Cupertino Residents Choose Us for PGT Service
We’ve spent years installing, repairing, and replacing PGT windows and doors across the South Bay, from aluminum-frame sliders in 1960s ranch tracts to new Vinyl Series builds on second-story additions. Noel Carvalho, our owner, grew up in San Bruno watching the city get built up around him and has run residential projects across San Mateo County and the South Bay for more than two decades, so he reads PGT product lines the way a framer reads a load path: exact, unromantic, and honest about what’s worth fixing versus what’s ready to come out.
For Cupertino specifically, our crews know the subdivision blocks of the 95014 flats. We recognize the housing stock, we know where the south- and west-facing exposures sit, and we understand which PGT units fail first when a dry, hot summer sits on them for six straight months. When you call us about a dragging slider or a fogged sash, we already know what your house is likely dealing with before we park the truck.
Styles & brands we work with







Common PGT Construction Problems We Solve in Cupertino
Here’s what we see most often on PGT windows and doors in Cupertino, based on years of service calls across 95014 and 95015:
- Sliding glass door rollers and tracks that seize or flatten. PGT aluminum sliders pick up grit and dry-season dust from Cupertino’s rainless summers, and within a few seasons the rollers skip, drag, or bind entirely. We replace rollers, true the track, and get the door gliding again so you don’t have to shoulder it open.
- Vinyl sash and frame warping with seal failure. South- and west-facing windows in Cupertino take brutal afternoon sun for months on end. The PGT Vinyl Series 3000 and 4000 lines hold up well, but when a sash warps or a dual-pane seal fails, you’ll see fogging, sticky operation, or a window that won’t close square.
- Perimeter sealant and gasket breakdown at frame-to-stucco joints. This one shows up after winter storms, especially on hillside exposures facing the Santa Cruz foothills. Wind-driven rain finds the failed gasket and works its way behind the frame. We strip the old sealant, re-bed the frame, and replace gaskets before the leak reaches drywall or flooring.
- Impact-glass unit haze or delamination in WinGuard products. PGT WinGuard Aluminum and WinGuard Vinyl are engineered for coastal and wind-driven environments, but when a laminate edge fails or the seal lets go, the glass turns hazy or shows moisture between panes. That’s a glass unit replacement, not a frame replacement, and it’s a repair we handle routinely in Cupertino.
- Fogged dual-pane glass. The classic. A failed seal lets moisture in, the window clouds over, and your view of the foothills disappears behind smeared glass. We re-glaze with spec-matched glass and recommend impact-rated units where the exposure or the rebuild requires it.
PGT Service in Cupertino: What Local Conditions Mean for Your Equipment
The single biggest factor shaping PGT work in Cupertino is the teardown-and-rebuild cycle. The 95014 flats are dominated by modest mid-century ranch homes on large lots that are routinely scraped for multi-million-dollar custom builds and second-story additions. Because so many of those original homes already have PGT aluminum sliders and dual-pane windows, we’re frequently called in during a teardown-adjacent remodel to pull and re-set or replace the original units before the new framing goes up. And here’s what catches homeowners off guard: Cupertino’s planning and building departments scrutinize tree removal, grading, and two-story massing closely, which means window and door schedules often have to be locked in before the permit is even issued. In neighboring San Jose or Sunnyvale, you’d have weeks of flexibility. In Cupertino, the schedule is the schedule, and a smart homeowner locks window and door manufacturers early so the permit review doesn’t stall. Add in the hot, rainless summers and the hillside wind exposure off the Santa Cruz Mountains foothills, and you need a contractor who knows both PGT products and Cupertino’s municipal reality. “Good construction doesn’t announce itself – it just works, year after year,” but it starts with sequencing the job right.
PGT Models & Products We Service in Cupertino
We service the full PGT residential lineup that shows up in Cupertino homes. That includes PGT WinGuard Aluminum impact-resistant windows and sliding glass doors, PGT Vinyl Series 3000 and 4000 single-hung and sliding windows, PGT Aluminum Series sliding glass doors and multi-slide patio doors, and PGT WinGuard Vinyl impact windows and doors. We source OEM PGT rollers, weatherstripping, gaskets, and hardware wherever the product line still supports them, and we turn to spec-matched aftermarket parts only when an exact OEM piece is discontinued. For a dragging slider or a fogged sash, we repair. When the frame itself is warped, rotted, or leaking at the wall, we’ll tell you straight that replacement makes more sense than chasing seals on a unit that’s already done its job. For full-service PGT work in Cupertino, see our PGT sales & service page.
See the difference
Before
After
Before
After
Before
AfterPGT Service Pricing in Cupertino
| Service | Typical Cupertino Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition (window/door-inclusive) | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
What drives the cost is scope: replacing a single failed slider costs far less than a whole-house window package on a two-story addition. A free estimate from us includes a written line-item breakdown, fixed pricing with no change orders, and an honest answer about whether a repair will buy you real time or just delay a replacement you’ll need anyway. Call (866) 472-1908 to schedule yours.
Serving Cupertino, CA — Our Local Coverage Area
We’re based in the Cupertino area and know this community well, and we also offer PGT repair in Los Altos. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Cupertino
Can you replace a failed PGT sliding glass door roller without replacing the whole door?
Yes, and in most Cupertino homes that’s exactly what we do. A failed roller on a PGT aluminum slider is a hardware issue, not a frame issue, so we replace the rollers and track, clean the sill, and the door glides again for a fraction of replacement cost. Call (866) 472-1908 and we’ll tell you over the phone whether the rollers are the likely culprit or whether something structural is at play.
Why do my PGT dual-pane windows fog up on the west side of the house?
West-facing windows in Cupertino take hours of direct afternoon sun every day from April through October, and that sustained heat is what breaks down the dual-pane seal over time. Once the seal fails, moisture gets between the panes and the glass fogs. The fix is a glass unit replacement, which we do with spec-matched or impact-rated glass depending on the home’s exposure and permit requirements. Call (866) 472-1908 for a free estimate on re-glazing those west-facing units.
Do I need impact-rated PGT windows for a Cupertino addition or rebuild?
It depends on your hillside exposure and what the permit review flags. Cupertino’s planning department looks hard at two-story massing and hillside wind loads, and homes facing the Santa Cruz Mountains foothills should generally use impact-rated WinGuard units for the wind-driven rain and debris exposure. We’ll tell you where impact glass earns its cost and where standard dual-pane is fine, so you’re not paying for a rating you don’t need. Call (866) 472-1908 and we’ll walk through your specific exposure.
How does Cupertino’s permit timeline affect a window or door replacement?
In Cupertino, window and door schedules often have to be locked in before the permit is even issued, especially on additions and rebuilds where the planning department is reviewing massing, tree protection, and neighbor notification. That means you’re choosing PGT product lines early, often weeks before any installation happens. We help you build that schedule into the overall bid so the permit review doesn’t stall while you’re still deciding between a Vinyl Series 4000 and an impact-rated WinGuard. Call (866) 472-1908 to get the schedule mapped out.
Are you authorized by PGT?
No. We’re an independent PGT service provider, which means we’re not authorized, sponsored, or warranty-endorsed by PGT. What that gives you is straight advice and OEM parts where they’re available, without a corporate program steering the call. We answer to the homeowner in Cupertino, not to a manufacturer’s quota.
Service Areas Near Cupertino
Beyond Cupertino’s 95014 and 95015 zip codes, we run PGT service across the West Valley and up the Peninsula. That includes Cupertino service area neighborhoods along De Anza and Stevens Creek, plus PGT service in Milpitas and PGT service in Santa Clara for homeowners a few exits north who need the same PGT expertise.
Book Your PGT Service in Cupertino Today
If you’ve got a dragging PGT slider, fogged dual-pane glass, or a full window schedule to lock in for a Cupertino permit, call (866) 472-1908. Estimates are free, the pricing is line-itemed, and we’ll tell you straight whether to repair or replace.
Written by Noel Carvalho, Owner at San Bruno Construction, serving Cupertino and the South Bay since day one.