Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
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PGT Construction in Los Altos, CA | Seaside Contractors
Our Los Altos General Contractor team starts PGT window and door service with an honest read on whether your units should be repaired or replaced. We’re an independent contractor, not a PGT dealer, and we work on their vinyl and aluminum lines because they hold up well on the Peninsula when they’re installed correctly. The catch in Los Altos is that most of these units are going into 1950s and 60s ranch homes with openings that haven’t been square since the Johnson administration. Call (833) 589-8103 and we’ll tell you what you’re actually working with.
Why Los Altos Residents Choose Us for PGT Service
We’ve hung PGT WinGuard, ReliaGuard, and vinyl casement lines on remodels and tear-downs from 94022 up through 94024, so the catalog specs aren’t abstract to us — the same way our Loyola PGT service keeps those product lines familiar. Glen Sorrento grew up watching Foster City’s lagoon-side homes get built and rebuilt, and he’s spent the decades since studying how materials actually perform under Peninsula sun and rain. That’s the lens we bring to every PGT window or door we touch in Los Altos. We’re not an authorized PGT rep, and we won’t pretend to be. What we offer is straight repair-and-replace experience with their product lines, OEM or exact-match aftermarket parts where the frame is serviceable, and a repair-first default when the sash and seal still have life in them. For homeowners managing a whole remodel, that matters: one contractor who can spec the windows and run the framing crew without a coordination gap.
We carry the full general-contracting scope Los Altos projects demand, from PGT sales & service through cabinetry, roofing, and ADU work. One accountable team, not a patchwork of subs pointing fingers at each other.
Styles & brands we work with







Common PGT Construction Problems We Solve in Los Altos
These are the failure modes we see repeatedly across Los Altos service area homes:
- Warped vinyl sashes on west- and south-facing elevations. Los Altos summers bake those walls. After enough seasons, vinyl frames bow, the sash drops out of square, and the weather seal quietly gives up. You feel it as a draft or a window that fights you on the track.
- Fogged insulated glass units on shaded walls. The redwood and coast live oak canopy keeps north-facing walls damp, and older PGT insulated units eventually lose their seal. The haze between panes isn’t condensation you can wipe off; the unit has failed.
- Sliding door rollers and sweeps that have cycled for decades. On original ranch homes, sliders have opened and closed tens of thousands of times. Rollers corrode, sweeps gap, and the first big November storm pushes wind-driven rain right through the sill.
- Sticky latches and dropped sliding panels. This is common on pre-remodel homes where the door hasn’t been adjusted since it was installed. The fix is usually hardware, not a new door.
- Gapped weatherstripping letting rain in during the November – April window. Los Altos rain is persistent rather than violent, but a small gap at the meeting rail will wick moisture for weeks. By spring, you’ve got swollen drywall under the sill.
PGT Service in Los Altos: What Local Conditions Mean for Your Equipment
The thing that shapes PGT work here more than anything else is the housing stock itself. Los Altos is a low-density, tree-heavy suburb where most of the homes were built between the late 1940s and the mid-1960s. Those original ranch and Eichler-influenced openings were framed by hand, often in a hurry, and they’ve had seventy years to settle. When we pull a window on a gut-renovation off a street like Miramonte or Covington, the rough opening is almost never square and almost never a standard size. That means off-the-shelf PGT units won’t drop in cleanly. The job becomes custom-sized glass and reframed rough openings, which is a framing task as much as a window task. Most specialty window shops won’t touch that scope. We will, because running the frame and hanging the unit under one roof is the only way to get a tight seal and keep the trim lines clean.
Add the heritage coast live oaks and you get another layer. Root-zone fencing and tree-protection review can push foundation walls and rough openings by inches, which shifts which PGT models actually fit the elevation. We design around the tree before we order glass.
PGT Models & Products We Service in Los Altos
We work on the PGT lines that show up most in Los Altos homes: WinGuard vinyl impact windows and doors, the Aluminum Series single-hungs and sliders, ReliaGuard vinyl single-hungs and sliders, and the Premium Vinyl casement and awning units. Repair work uses PGT OEM or exact-match aftermarket rollers, sweeps, glazing, and hardware. For Los Altos turnaround, we keep common replacement hardware on hand and special-order glazing packages as needed. If a unit is warped or fogged past repair, we’ll say so plainly and spec a replacement that fits the opening, not one that just matches the brand name.
The same budget range applies on the remodel side: we bring PGT window work into full kitchen remodels, where the glass usually gets ordered early so the openings are set before cabinets go in.
See the difference
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AfterPGT Service Pricing in Los Altos
What you’ll pay depends on whether we’re repairing hardware and sweeps or replacing whole units, plus how much framing correction the openings need. Here’s the range we quote across Los Altos projects:
| Service | Typical Los Altos Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Full Kitchen Remodeling | $14,000 – $45,000 |
A free estimate includes opening inspection, seal evaluation, and a written line-item quote, so you’ll know repair versus replace before you commit. Call (833) 589-8103 and we’ll walk the project with you.
Serving Los Altos, CA — Our Local Coverage Area
We’re based in the Los Altos area and know this community well, and we also provide PGT service in Mountain View. 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, with custom-sized units and reframed rough openings. We do the framing correction and the window installation as one scope, which is often the difference between a clean install and a caulk-heavy patch job. Call (833) 589-8103 and we’ll measure what you’re actually dealing with.
That’s usually two things at once: years of Los Altos summer heat have warped the vinyl sash, and the insulated glass has lost its seal. The fix is rarely just rollers. We’ll evaluate the frame and tell you whether replacement is the smarter spend before you put money into hardware.
Yes, in two ways. The shade changes the moisture load on the wall, which affects how older units hold their seals. And the city’s tree-protection rules can limit how far the opening can move, which narrows the list of PGT models that fit. We factor both in before recommending a line.
They can, if the glass is ordered early and the openings are set before cabinets land. We sequence PGT window work at the front of the remodel, so the framing and finish trades aren’t waiting on glass. That’s the benefit of one contractor running the whole job.
It depends on the elevation and what you’re trying to solve. WinGuard is overbuilt for most Los Altos wind loads, but it pays off on west-facing walls where sun-driven warping has killed standard vinyl before its time. We’ll give you the tradeoff straight: impact-rated isn’t automatically the right call, and we won’t spec it just to inflate the bid. Call (833) 589-8103 for an exact quote, estimates are free.
Service Areas Near Los Altos
We run PGT service across the South Bay and down the coast, including PGT service in Los Altos Hills for the larger lots and stricter tree rules, and PGT service in Ladera for the hillside remodels. We also cover Watsonville, Pajaro, Freedom, Interlaken, Las Lomas, and Amesti.
Book Your PGT Service in Los Altos Today
Let’s figure out what the job actually needs, then we’ll talk materials. Call (833) 589-8103 to schedule your free estimate in Los Altos, and we’ll give you repair and replacement options with real numbers — or ask about our PGT service in Stanford if that’s closer.
Written by Glen Sorrento, Owner at Seaside Contractors, serving Los Altos since the company’s founding.