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 Redwood City, CA | Seaside Contractors
We provide independent PGT window and door service across Redwood City, from impact-rated WinGuard units in Redwood Shores to vinyl Premier Series replacements in the downtown flats. We also offer our General Contractor in Redwood City expertise for full-scope projects. The thing that separates our PGT work here is simple: we know Redwood City’s housing stock well enough to know that a PGT unit is only as good as the opening it sits in. We handle the full scope, the unit, the framing, the flashing, and the permit path. Call (833) 589-8103 to talk through your project.
Why Redwood City Residents Choose Us for PGT Service
We’ve installed and serviced PGT windows and doors across the Peninsula for years, including Woodside PGT service and the vinyl new-construction and replacement lines that have become common in Redwood City’s 94061 through 94065 remodels. We know how these units are built, how they fail in bay-front wind and hillside exposure, and how to specify them for permitted additions. Glen Sorrento, our owner, studied building construction technology at College of San Mateo and has spent more than two decades working through nearly every project type the Peninsula throws at a contractor. He’s the guy clients call when they want someone who can look at a PGT WinGuard spec sheet and a out-of-square 1940s rough opening in the same afternoon and give a straight answer on both.
We’re an independent contractor and are not affiliated with, authorized by, or endorsed by PGT. That independence matters. It means we recommend what the job actually needs, not what a manufacturer program tells us to push. When an OEM sash swap is the right call, we say so. When the frame is warped and patching would be throwing good money after bad, we tell you that too.
Styles & brands we work with







Common PGT Construction Problems We Solve in Redwood City
- Vinyl frame and sash warping on south- and west-facing elevations. Redwood City’s dry summer sun is harder on gaskets and weatherstripping than most owners expect. A PGT Premier single-hung on a west wall in the 94062 hills sees brutal afternoon exposure. We see seal failure and warped sashes that won’t close square years before the north side of the same house shows any wear.
- Impact-laminate IGU seal failure, fogging between the lites or a milky haze. This shows up most on bay-exposed or hillside slab/fill lots where wind-driven rain and temperature swings stress the sealed unit. Redwood Shores and the 94062 hill zones are ground zero for this. The fix is usually a replacement IGU assembly, not a whole new window, if the frame is still sound.
- Failed rollers, tracks, and weep drainage on PGT sliding doors. Concentrated winter rains overwhelm sill drainage, water pools, and hardware corrodes. We’ve pulled PGT WinGuard sliders where the track looked like it had been soaking in salt spray for a decade. Most of the time the door survives; the track, rollers, and sweeps need replacing.
- Perimeter air and water infiltration in older bungalows. In 94061 and 94063, replacement units get sized to non-standard rough openings, and the original framing was never squared. The unit itself is fine. The installation was fighting a losing battle from day one. We re-frame, re-flash, and set the window so it actually drains.
- Failed weatherstripping and gasket degradation from Redwood City’s dry summer heat. It sounds minor until you feel a draft in July or hear wind whistling through a closed window in January. On hillside homes where wind exposure is constant, degraded gaskets mean energy loss and noise you shouldn’t have to live with.
PGT Service in Redwood City: What Local Conditions Mean for Your Equipment
Redwood City’s downtown and older flats sit in the 94061/94063 zone where 1920s through 1950s bungalows commonly carry original single-pane or early replacement windows in out-of-square rough openings. So PGT replacements here are as much about re-framing and flashing the opening as about the unit itself. We’ve walked into bungalows off Middlefield Road where the rough opening was out of plumb by three-quarters of an inch. You can set a brand-new PGT Premier single-hung in that opening and it will bind, leak, and fail early, not because the window is bad but because the opening was never right. Our crews re-square the opening, re-flash it properly, and then set the unit. That’s the difference between a PGT window that performs for twenty years in Redwood City and one that starts fogging and sticking in five. Glen’s signature phrase applies here: “Let’s figure out what the job actually needs, then we’ll talk materials.”
PGT Models & Products We Service in Redwood City
We service the PGT WinGuard Impact Series in vinyl and aluminum, the PGT Premier Series vinyl single-hung and casement windows, and PGT sliding glass doors including WinGuard impact sliders. For parts, we source OEM PGT replacement sashes, IGU assemblies, hardware, rollers, and weatherstripping when the frame is sound. We use quality aftermarket parts only where an OEM match isn’t practical, and we’ll tell you which is which before the work starts. What’s stocked locally changes, but we maintain fast turnaround for Redwood City jobs by working with regional suppliers who carry PGT-compatible components. See our broader PGT sales & service page for the full scope.
See the difference
Before
After
Before
After
Before
AfterPGT Service Pricing in Redwood City
What you’ll pay depends on whether we’re repairing an existing PGT unit or replacing it, and on the condition of the rough opening. Here’s where most Redwood City PGT projects land:
| Service | Typical Range in Redwood City |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition (involving PGT windows/doors) | $45,000 – $130,000 |
These ranges reflect what we see across Redwood City’s split housing stock. A straight replacement in a square opening costs less than re-framing a 1940s bungalow opening or installing impact-rated units on a hillside home that needs engineering sign-off. A free estimate from us includes a look at the actual opening, the flashing, and the surrounding framing, not just a price for the unit. Call (833) 589-8103 for an exact quote. We’ll walk the job with you.
Serving Redwood City, CA — Our Local Coverage Area
We’re based in the Redwood City area and know this community well, including PGT in West Menlo Park and surrounding neighborhoods. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Redwood City
No. Fogging between the lites means the IGU seal has failed, and in most cases we can replace just the insulated glass assembly while keeping your existing PGT frame. That’s a fraction of the cost of a full window replacement. We only recommend replacement when the frame itself is warped, rotted, or no longer square. Call (833) 589-8103 and we’ll assess the unit before you spend a dollar.
Yes, and this is where permit strategy matters. Redwood City’s planning department reviews additions under current building and energy codes, which often require impact-rated or high-performance glazing depending on exposure and location. We’ve installed WinGuard impact units in permitted additions in the 94062 corridor and Redwood Shores, plus PGT service in Emerald Lake Hills, and we handle the documentation that goes with the permit package. The window spec has to align with the approved drawings, and we make sure it does.
Concentrated winter rain, especially on bay-facing and hillside elevations, overwhelms the sill’s weep drainage over time. Debris collects in the track, weep holes clog, and water pools in the sill, corroding rollers and hardware. The fix is usually new rollers, clearing and sometimes re-drilling weep channels, and replacing the sweep and weatherstripping with OEM parts. Call (833) 589-8103 for a free estimate before the next storm season hits.
Sometimes yes, sometimes no. In Redwood City’s 94061 and 94063 bungalows, original rough openings are frequently out of square. If the opening is close, we can shim and flash a PGT unit correctly and the job stays simple. If the framing is badly out of plumb or has water damage at the sill, we’ll re-frame the opening before setting the window. The window itself isn’t the variable; the house is. We’ll tell you which situation you have before we order anything.
We repair frames when they’re structurally sound, replacing sashes, IGU assemblies, hardware, rollers, and weatherstripping with OEM parts. If the frame is warped, rotted at the corners, or the rough opening behind it is failing, we recommend replacement rather than patching. Our stance on every Redwood City job is the same: if the frame and sill are intact, repair is the right call. If they’re not, you’ll hear it from us straight.
Service Areas Near Redwood City
We serve Redwood City and the surrounding Peninsula communities. Our Redwood City service area covers the full 94061, 94062, 94063, 94064, and 94065 ZIP codes including the downtown flats, Emerald Hills, and Redwood Shores. We also handle PGT work in San Carlos and Redwood Shores, along with adjacent cities along the 101 corridor.
Book Your PGT Service in Redwood City Today
We’re scheduling PGT assessments and installations throughout Redwood City now, and we can often get a crew to your property within a few days for the initial look. Call (833) 589-8103 to book your free estimate. We’ll inspect the units, check the openings, and give you a straight answer on repair versus replacement.
Written by Glen Sorrento, Owner at Seaside Contractors, serving Redwood City and the Peninsula.