Kitchen remodeling
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PGT Construction in Hillsborough, CA | Ashford Contractors
We provide independent PGT window and door installation, repair, and replacement service across Hillsborough, from estate remodels to ADU builds. The one thing that makes our PGT work here different is simple: we stage exterior glazing around Hillsborough’s tree-protection and slope rules, not the other way around. If you’re pricing PGT windows, doors, or a repair on a wooded or sloped lot, call us at (877) 752-3868 for a free estimate.
Why Hillsborough Residents Choose Us for PGT Service
We’ve installed and serviced PGT windows and doors across the Peninsula for years, so we know how their vinyl and aluminum product families actually hold up on Hillsborough’s wooded, sloped lots. We are not affiliated with, authorized by, or endorsed by PGT. We’re an independent contractor that works on their products and stands behind our own installation and repair work. Glen Mossier, our owner, trained in construction technology at Skyline College and has spent two decades in San Mateo County getting framing and subfloor square before anything else goes in. That same discipline applies to window work: we set frames level, flash sills, and bed glazing so the product performs the way PGT designed it to. Our team knows Hillsborough’s permit path, its architectural review conditions, and its tree-protection constraints because we’ve worked through them on real projects here, not just read about them. For PGT sales & service, that local fluency changes how the job gets scheduled and scoped.
Styles & brands we work with







Common PGT Construction Problems We Solve in Hillsborough
- Fogged or failed insulated glass in PGT WinGuard units. On Hillsborough ridge homes, south- and west-facing elevations take direct afternoon sun, and that thermal cycling is what eventually breaks down IG seals. We replace the failed unit rather than the frame when the frame is sound.
- Water intrusion at vinyl sill and jamb corners. Wind-driven winter rain on exposed hillside lots can overwhelm factory seals and weep systems. We see this most often on the windward side of ridge properties, where the lot drops away and the window takes the full force of the storm.
- Chalking and pitting on aluminum frame finishes. Tree-shaded elevations that stay damp longer, combined with the coastal air that reaches Hillsborough in the summer, accelerate paint and anodized finish degradation. It’s cosmetic at first, but left alone it becomes a substrate problem.
- Slider rollers and tracks binding. Hillsborough’s clay-heavy soils dry to a fine dust in summer. That dust gets into PGT slider tracks, mixes with debris from tree cover, and causes rollers to grind. We clean, re-align, and replace rollers before the track itself gets scored.
- Hardware and lock misalignment on large WinGuard sliders. Homes on sloped-lot foundations settle seasonally. A slider that worked in June can bind in November after the first real rains shift the soil. We re-align hardware and adjust strike plates so the door locks properly again.
PGT Service in Hillsborough: What Local Conditions Mean for Your Equipment
Hillsborough’s tree-protection and root-zone rules on wooded lots mean exterior window and door work often has to be staged, hand-carried, or scoped around protected trees and slope setbacks that would never come up on a flat San Mateo lot. On a wooded estate lot off Macadamia Drive, we replaced a fogged south-facing PGT WinGuard insulated unit and re-bedded the sill on a fixed picture window where winter rain had been driving past a degraded seal. Because the glazing sat inside a protected-tree drip line and a tight slope setback, we hand-carried the new unit and staged it without equipment over the root zone, then reset the frame and flashed the sill so the replacement passed the same architectural-review conditions the original install was built to. On a flat lot in San Mateo or Burlingame, that job is a forklift and two hours. In Hillsborough, it’s a plan, a protected walk path, and a hand carry. If you own a PGT window or door on a sloped or treed Hillsborough lot, the repair decision isn’t just about the glass. It’s about how the new unit gets to the opening without starting a tree-removal conversation you didn’t want to have.
PGT Models & Products We Service in Hillsborough
We service PGT WinGuard Aluminum impact-resistant windows and doors, WinGuard Vinyl impact-resistant windows, Premier Vinyl single-hung and casement windows, and SolarMax insulated glass units in both vinyl and aluminum frames. We use OEM PGT glass, sash, and hardware wherever the product family is still supported, and we switch to proven aftermarket IG units, rollers, and weatherstripping only when OEM parts are discontinued or lead times would leave a home open to the weather. If a PGT unit has sound frames but a failed seal or broken hardware, we repair it rather than push a full replacement. And we’ll tell you honestly when a frame is too far gone to justify repair. Our Hillsborough work focuses on window replacement, impact window installation, and frameless glass shower enclosures, often within the same remodel scope.
See the difference
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AfterPGT Service Pricing in Hillsborough
Here’s what PGT-related work typically costs in Hillsborough, based on our installed pricing across local projects:
| Scope | Installed Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Replacement (where PGT skylights or roof-line glazing ties in) | $8,000 – $20,000 |
What drives the number: whether the lot is sloped or flat, how many windows sit behind tree canopy or inside protected root zones, whether a sealed unit is in a discontinued PGT series, and what architectural review conditions attach to the opening. Every estimate we give is a written line-item quote. Call (877) 752-3868 to schedule yours.
Serving Hillsborough, CA — Our Local Coverage Area
We’re based in the Hillsborough 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 Hillsborough
No. We’re an independent general contractor that installs and repairs PGT products. We’re not affiliated with, authorized by, or endorsed by PGT. What we bring is deep product familiarity and our own workmanship warranty, which is exactly what most Hillsborough homeowners need when a PGT unit fails outside any manufacturer coverage. Call (877) 752-3868 with your model and symptoms, and we’ll tell you straight whether it’s a repair or a replacement.
We use OEM PGT glass, sash, and hardware wherever the product family is still supported. When OEM parts are discontinued or lead times would leave an opening exposed to the weather, we move to proven aftermarket IG units, rollers, and weatherstripping and tell you before we do it. We never quietly substitute. If you’re unsure what’s in your window, call (877) 752-3868 and we’ll help you identify the series before scheduling anything.
Most repair work, including a failed insulated unit replacement on one opening, completes in a single visit once the replacement glass or hardware arrives. Lead time depends on whether the unit is in a current PGT series or a discontinued one. Hillsborough tree-protection and slope-setback staging can add hands-on labor time compared to a flat Peninsula lot, but it keeps the project compliant. Call (877) 752-3868 for a timeline specific to your opening.
We service PGT WinGuard Aluminum impact-resistant windows and doors, WinGuard Vinyl impact-resistant windows, Premier Vinyl single-hung and casement windows, and SolarMax insulated glass units in both vinyl and aluminum frames. If you have a PGT product that predates these lines or an unusual architectural glazing application, we’ll assess it and give you a straight answer on parts availability.
Yes. We coordinate window openings, impact-glazing requirements, and frameless shower enclosure glass with the same set of approved plans and review conditions your architect submitted. That means the window flashing details, the opening sizes, and any glazing changes stay consistent with what the Town already reviewed. It’s one contract, one project manager, one team on site. Call (877) 752-3868 to walk through your project scope with us.
Service Areas Near Hillsborough
Our PGT service from Hillsborough reaches the surrounding Peninsula communities. We regularly work in Foster City, Redwood Shores, Belmont, San Mateo, San Carlos, and Highlands-Baywood Park. For PGT products specifically, see our PGT service in Emerald Lake Hills and PGT service in Millbrae pages for local details. And for the broader picture, visit our Hillsborough service area page or the main PGT sales & service hub.
Book Your PGT Service in Hillsborough Today
If you have a PGT window, door, or shower enclosure in Hillsborough that needs repair or replacement, call (877) 752-3868 now. We’ll schedule a free estimate, walk the site, and give you a written quote that respects the lot you’re building on. Build it right the first time, and you won’t be rebuilding it in ten years.
Written by Glen Mossier, Owner at Ashford Contractors, serving Hillsborough and the greater San Mateo County area.