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PGT Construction in Half Moon Bay, CA | Ashford Contractors
We provide independent PGT installation and repair across Half Moon Bay, from older WinGuard aluminum sliders near the coast to full-home impact window replacements on the east side of Highway 1. The one thing that makes our PGT work here different: we know exactly what salt fog does to aluminum frames and we spec corrosion-resistant hardware from the first fastener. If you’re dealing with fogged glass, seized rollers, or corroded tracks, call us at (877) 752-3868 for a free estimate. We’re an independent contractor serving Half Moon Bay and the surrounding coastside, not a manufacturer affiliate. Our PGT sales & service experience covers the full product line, but our real advantage is local.
Why Half Moon Bay Residents Choose Us for PGT Service
We work on PGT windows and doors in Half Moon Bay every week, so we don’t show up to diagnose. We arrive knowing what the fog does to a west-facing sill track and what the salty air does to a roller assembly after five years. Glen Mossier, owner of Ashford Contractors, grew up in Foster City’s Marlin Cove and trained in construction technology at Skyline College, so the materials science behind coastal corrosion is something he’s been thinking about for two decades, not something he read in a manual. When we replace a PGT unit in Half Moon Bay, we use PGT’s published installation details and glass specs, and we pair them with stainless steel or hot-dipped galvanized fasteners that inland crews often skip. That’s the difference between a window that lasts and one that starts pitting again in three years.
As an independent PGT service provider, we’re not bound to a single parts channel. We source genuine PGT replacement rollers, weatherstripping, glazing seals, and hardware where the profile is still supported, and we match quality aftermarket balances and screens when factory parts are discontinued. If you’re in Half Moon Bay and you want a contractor who treats PGT as a real product line to be serviced properly rather than a side job, we’re the crew you call at (877) 752-3868.
Styles & brands we work with







Common PGT Construction Problems We Solve in Half Moon Bay
Here’s what we actually see on PGT units throughout Half Moon Bay service area homes:
- Salt corrosion on aluminum frame finishes. PGT aluminum frames hold up reasonably well inland, but Half Moon Bay’s marine air is relentless on west-facing openings. We regularly see pitted sill tracks and chalky frame finishes within five to seven years of installation, especially on homes between Main Street and the bluffs.
- Seized sliding door rollers. Salt-laden moisture gets into the roller housing and eats the bearings. On heavier PGT sliding glass doors, the result is a door that takes two hands to move. We replace the rollers with corrosion-resistant hardware and clean the track so the door actually slides again.
- Fogged WinGuard laminated glass units. Persistent fog and high humidity on the coast push water against the glazing edge when weep channels clog. The edge seal fails, the laminated glass hazes, and you’ve got a permanent fog between the panes. That’s a glass unit replacement, not a repair.
- Weep system failures at sliding door thresholds. PGT sliding doors drain through small weep holes at the sill. When marine air debris and salt crust block those holes, water ponds against the frame and works into the corner seals. We clear the weep system, replace the sealant, and confirm drainage before finishing trim goes back up.
- Brittle vinyl frames on older PGT units. UV plus salt exposure is hard on vinyl. We see older PGT WinGuard Vinyl frames cracking at screw bosses and around sash corners. Once the vinyl is compromised, patching only delays replacement.
PGT Service in Half Moon Bay: What Local Conditions Mean for Your Equipment
Half Moon Bay projects on the coastal side of Highway 1 often need a California Coastal Commission coastal development permit layered on top of the San Mateo County building permit, and that review can impose view-corridor and glazing/setback conditions that change which PGT window and door sizes and sightlines we can specify. This is the single biggest difference between PGT work in Half Moon Bay and PGT work in Foster City or San Mateo, where the permit path is a single county application with no coastal overlay. We’ve worked on homes near Kelly Avenue where a planned picture-window replacement had to be resized because the Coastal Commission’s view-corridor rules limited the glazed area. It changes the conversation from “which window fits this opening” to “which window meets the coastal development permit conditions and still gives you the natural light you want.” Most PGT service pages never mention this, but it’s the reality of building on the coastside. If you’re planning a window or door replacement in Half Moon Bay, call us at (877) 752-3868 and we’ll tell you what the coastal review will actually require.
PGT Models & Products We Service in Half Moon Bay
We service the full PGT residential line: WinGuard Aluminum impact-resistant windows and sliding glass doors, WinGuard Vinyl impact units, PGT Aluminum Series single-hung and casement windows, and PGT sliding glass doors in both aluminum and vinyl series. On the repair side, we stock common replacement rollers, weatherstripping, and hardware for PGT profiles that are still factory-supported, so turnaround in Half Moon Bay is measured in days, not weeks. When a profile has been discontinued, we source quality aftermarket parts and match the configration to the original. The honest part: if frame corrosion or glass seal failure has spread past a couple of units, we’ll price a full replacement rather than chasing repeated repairs on a failing assembly. We also handle PGT windows as part of larger scopes, including PGT service in Stanford-style full-home renovation work, impact window installation, and home additions.
See the difference
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AfterPGT Service Pricing in Half Moon Bay
| Service | Typical Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair (flashing and water intrusion at openings) | $400 – $1,800 |
What drives the cost in Half Moon Bay: the number of openings, whether you’re replacing glass-only versus full frame replacement, whether coastal permit conditions require design changes, and the level of corrosion remediation required on existing openings before new units go in. A free estimate includes a site visit, measurements, and a written line-item breakdown. Call (877) 752-3868 for an exact quote, no cost or obligation.
Serving Half Moon Bay, CA — Our Local Coverage Area
We’re based in the Half Moon Bay area and know this community well, from PGT in El Granada to our neighbors throughout the coastside. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Half Moon Bay
Does replacing PGT windows in Half Moon Bay require a coastal development permit?
If your home is on the coastal side of Highway 1 within the Coastal Commission’s jurisdiction, yes, a coastal development permit is typically required on top of San Mateo County building permits. The review can impose view-corridor and glazing conditions that change which PGT window and door sizes we can specify. We handle the permit routing for you and factor the timeline into the project schedule before work starts.
Why are my PGT aluminum window frames corroding in Half Moon Bay but not at my family’s place inland?
Salt-laden marine air is the answer. Half Moon Bay’s coastal fog carries fine salt particles that settle on exposed aluminum and work into finishes, especially on west-facing openings. Inland Peninsula cities get nowhere near this level of salt deposition. We address it by using stainless or hot-dipped galvanized fasteners on every PGT installation and resealing frame edges with marine-grade sealant. Call (877) 752-3868 to have a corroded frame evaluated, the estimate is free.
Can you repair a fogged PGT WinGuard impact glass unit or does it need full replacement?
A fogged laminated impact glass unit has an edge seal failure, and the only correct repair is replacing the glass unit itself. The good news is the frame can often stay in place. We remove the failed glazing, inspect the surrounding frame for corrosion or channel damage, and set the new PGT-spec glass with fresh glazing tape and sealant. If the frame condition warrants, we’ll recommend full window replacement rather than a glass-only swap that won’t last.
What PGT sliding door problems do you see most on the coast?
Seized rollers from salt-laden moisture, clogged weep systems from marine air debris, and corroded sill track fasteners. On a ranch home off Highway 1 near downtown Half Moon Bay, our crew replaced a set of fogged, corroded PGT WinGuard aluminum sliders facing the marine air. The sill tracks were pitted and the rollers had seized. We reset the openings with new stainless fasteners, fresh flashing and sealant, and PGT-spec replacement glazing and hardware, then confirmed the weep system drained before finish trim went back on.
Do you handle PGT windows as part of an addition or ADU in Half Moon Bay?
Yes, we do. PGT windows and sliding doors regularly go into home additions and ADU projects on the coastside, and we handle the window specification as part of the full general contracting scope. That means one contract, one project manager, and one point of contact for the foundation, framing, windows, siding, and all interior finishes. Call (877) 752-3868 to discuss your addition and get a free estimate.
Service Areas Near Half Moon Bay
Our PGT service coverage extends beyond Half Moon Bay to PGT service in Brisbane, Foster City, Redwood Shores, Belmont, San Mateo, San Carlos, and the Highlands-Baywood Park neighborhood. If your PGT windows or doors are acting up and you’re within the coastside and mid-Peninsula corridor, call us and we’ll get a crew out.
Book Your PGT Service in Half Moon Bay Today
If you’re in Half Moon Bay and your PGT windows or sliding doors need attention, don’t wait for the salt air to make it worse. Call Ashford Contractors at (877) 752-3868 to schedule your free estimate. We’ll assess your PGT units, talk through what’s actually wrong, and give you a written line-item quote.
Written by Glen Mossier, Owner at Ashford Contractors, serving Half Moon Bay and the greater San Mateo County coastside.