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 Tiburon, CA | Millwright Builders
We’re an independent builder that installs and services PGT windows and doors across Tiburon, and the quick answer is this: if your WinGuard sliders are grinding on grit or your west-facing units have fogged between the panes, we can repair or replace them without the showroom runaround. What makes our PGT work different here is simple – we know how these units actually behave on steep hillside lots in bay-front fog, not how they look in a catalog. Call (866) 925-0334 for a straight assessment. We’re not authorized or endorsed by PGT. We just know the product line deeply enough to quote repairs honestly.
Why Tiburon Residents Choose Us for PGT Service
Noel Castañeda founded Millwright Builders after two decades of residential and light commercial work across the Peninsula, and the lesson that stuck with him from those years is plain: a window is only as good as its install. In Tiburon, that means understanding how a PGT WinGuard unit holds up when salt-laden air works on the hardware while a north-facing slope keeps the sill damp through winter. Homeowners call us because we speak the same language as the product – we know which PGT model lines use what roller systems, which gaskets dry out first, and when a fogged IGU means replacement rather than a quick seal swap.
We’re a full-scope general contractor, not a window shop. When your PGT slider is part of a kitchen remodel or a hillside rebuild, one contract covers the framing, the flashing, the finish trim, and the window itself. That eliminates the coordination tax of juggling a window vendor, a stucco crew, and a carpenter who don’t talk to each other. For Tiburon homeowners planning substantial renovations, that single point of accountability matters as much as the glass itself.
Styles & brands we work with
Common PGT Construction Problems We Solve in Tiburon
- Fogged or failed insulated glass on west-facing units. Bay fog rolls in most afternoons, then the sun bakes the glass on west exposures. That daily thermal cycle stresses the IGU seal, and haze between the panes is the most common PGT call we get in Tiburon. If the frame is sound, we replace the glass. If the seals are failing across multiple units, we’ll say so plainly.
- Roller and track wear on heavy WinGuard sliders. Hillside lots drop grit, pine needles, and pollen onto deck-level tracks. A heavy impact-rated slider grinding over that debris wears rollers fast, and eventually the door won’t latch or glide. We replace rollers with OEM or quality aftermarket parts and reset the track alignment.
- Water intrusion at perimeter flashing and sill pans. North slopes on the Tiburon peninsula stay damp through winter, and older caulk joints eventually dry out and crack. When the sill pan flashing fails, water works its way behind the siding and into the rough opening. We pull the unit, reset the flashing, and reinstall with proper drainage – not just a fresh bead of caulk over a failing joint.
- Corroded or sticking hardware on aluminum-series units. Waterfront-side homes get salt-laden air year-round, and PGT aluminum frames with standard hardware corrode faster than owners expect. Sticking handles, seized locks, and pitted track hardware are the telltale signs. We source replacement hardware that’s rated for coastal exposure.
- Misaligned sashes on older installations. Soil movement on sloped lots shifts rough openings over time, especially on homes where additions and decks were layered on over decades. A sash that once closed tight now leaves a gap at the corner. We realign, re-shim, and if the frame has racked, we re-square the opening before reinstalling the unit.
PGT Service in Tiburon: What Local Conditions Mean for Your Equipment
Here’s the thing about Tiburon that photos don’t show: on the hillside streets above the waterfront, dump trucks and concrete pours often can’t reach the lot at all. That reality shapes every PGT install we do here. When we’re replacing a set of fogged WinGuard sliders on a steep street above downtown, the truck parks at the curb a hundred feet below the house, and the units go up by crane or by hand with a staging crew. Neighbor parking agreements become a real schedule driver, and the logistics can add a day to a job that would be a morning swap in a flat-lot town. For PGT owners, that means two things. First, the cost of a replacement window or door in Tiburon isn’t just the glass – it’s the access. Second, the install matters more. A unit that gets manhandled up a hillside or set into a racked opening on a slope will fail early. We plan the lift, protect the frame, and reset the rough opening so the unit performs like it should.
PGT Models & Products We Service in Tiburon
We work on the full residential PGT lineup that’s common in Tiburon homes: PGT WinGuard Aluminum impact-resistant windows and sliding glass doors, WinGuard Vinyl impact windows and doors, PGT Aluminum Series sliding glass doors, and PGT Legend vinyl single-hung and casement windows. When a unit is still supported, we use OEM PGT glass, rollers, and hardware. When OEM supply is slow or a run has been discontinued – which happens more often than owners realize – we source quality aftermarket IGUs and rollers that match the original spec. Our stance is simple: if the frame and sash are sound, we repair. If the seals, frame, or hardware are failing across the whole unit, we’ll tell you when replacement is the better money. You can also see our full PGT sales & service page for a broader look at what we handle.
See the difference
Before
After
Before
After
Before
AfterPGT Service Pricing in Tiburon
Every PGT job in Tiburon gets a written line-item quote before work starts. That means the access plan, the parts, the labor, and any flashing or trim work are priced separately – no surprise lump sums. Here are the typical ranges we see on Tiburon projects:
| Service | Typical Range |
|---|---|
| Impact Window Installation | $8,000 – $25,000 |
| Window Replacement | $4,500 – $15,000 |
| Roof Repair | $400 – $1,800 |
What drives the number on a Tiburon hillside is access – crane time, staging, and crew hours to hand-carry units up a slope. A flat-lot swap in another town won’t carry the same logistics cost. Call (866) 925-0334 for a free estimate, and we’ll walk the site and give you a real number, not a phone quote.
Serving Tiburon, CA — Our Local Coverage Area
We’re based in the Tiburon 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 Tiburon
Yes. We’re an independent contractor, not a PGT dealer or authorized service center, so we’re not bound by a sales quota or a parts-only approach. We source OEM PGT parts where the unit is supported and quality aftermarket glass and hardware when it’s not. In practical terms, that means we’ll tell you to repair a sound frame and replace a failing one without a brand-mandated upsell. Call (866) 925-0334 to schedule an assessment.
Usually both, in Tiburon. The roller wheels wear down from grit and pollen loading on the bottom track, and the track itself accumulates debris from the hillside. We clean and inspect the track, replace worn rollers, and check the frame alignment. If the door still binds after that, the issue is likely a racked frame from soil movement, which we can correct by re-shimming the opening. Call us at (866) 925-0334 and we’ll diagnose it on site.
The insulated glass unit seal has failed. Bay fog and afternoon sun on west-facing exposures cycle the IGU daily – expanding and contracting the seal until it cracks and lets moisture in. That haze between the panes is condensation trapped inside the unit, and it will not dry out. The fix is an IGU replacement. Call (866) 925-0334 and we’ll confirm the seal failure and quote the replacement.
Yes. This is exactly the situation we deal with regularly on the hillside streets above the waterfront. We stage materials below the lot, use a crane or hand-carry crew to move units into place, and coordinate neighbor parking agreements in advance. The access plan adds some cost, but it’s predictable and it’s all in the written quote before we start. Call (866) 925-0334 and we’ll walk the site to map the lift.
Absolutely. When a PGT unit is part of a larger remodel – say a kitchen expansion or a bath with new wall openings – we handle the framing, the flashing, the window, and the finish trim under one contract. No subcontractor handoffs. For full kitchen work, our PGT sales & service team coordinates the window scope with our Tiburon service area remodeling crews.
Service Areas Near Tiburon
We serve Tiburon and the surrounding Marin County neighborhoods regularly. If your project is on the adjacent peninsula, we also cover PGT service in Belvedere and PGT service in Marin City, plus the broader bay-side communities reachable from our Marin and Peninsula bases.
Book Your PGT Service in Tiburon Today
Call (866) 925-0334 for a free estimate on PGT repair, replacement, or installation in Tiburon. We’ll walk the site, assess the condition of your units, and give you a written line-item quote. Your renovation shouldn’t require you to become a project manager.
Written by Noel Castañeda, Owner at Millwright Builders, serving Tiburon and the Peninsula since founding the company.