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PGT Construction in San Francisco, CA | San Bernardino Contractors
We provide independent PGT construction services across San Francisco, from impact window retrofits in the Outer Sunset to full rear additions on 25-foot Edwardian lots in the Mission. What makes our PGT work different here is that we plan around the city’s CEQA and historic-resource review process from day one, so glazing specs and frame profiles are locked in before the permit clock even starts. Ruben Castillo and our crew handle everything from PGT sales & service to full rough-opening rebuilds. Call (855) 473-5620 for a free estimate.
Why San Francisco Residents Choose Us for PGT Service
Most window contractors in San Francisco know how to swap a sash. Far fewer can tell you whether a PGT WinGuard vinyl unit will pass historic-resource review on a protected Victorian facade, or whether the nailing fin on a rear addition in the fog belt needs a different flashing detail than one in Noe Valley. That’s the difference Ruben brings to the job. He grew up watching his uncle reroof houses and frame garages on a shoestring budget in San Bernardino’s Westside neighborhood, then sharpened his plan-reading and load-path instincts at San Bernardino Valley College. We carry that same hands-on, material-specific approach to every PGT window and door we set in San Francisco. We’re not tied to PGT or any other manufacturer, so when we tell you an OEM sash is worth the wait or an aftermarket weatherseal will do the job, the recommendation comes from what the building actually needs. Our clients get single-point accountability from permit submittal to final inspection, whether we’re replacing one fogged unit or running an entireSan Francisco service area project with new PGT openings on three elevations.
Styles & brands we work with







Common PGT Construction Problems We Solve in San Francisco
- Fogged insulated glass on marine-layer elevations. Houses west of Twin Peaks sit in fog for weeks each summer. The constant damp and temperature swings break down PGT factory seals, and units fog between the panes. We reglaze when the frame is sound and the unit is still in production.
- Distorted vinyl sashes on south-facing Edwardian bays. Years of UV and heat gain rack the vinyl out of square on bay windows that catch afternoon sun. The sash binds, the latch misses, and the window won’t seal. If the frame is distorted, replacement is the only durable fix.
- Water intrusion at sill pans and perimeter sealant. Wind-driven rain off the Pacific finds every failed flashing and dried-out caulk joint at the rough opening. On west-facing elevations in the Richmond and Sunset, we pull the trim, rebuild the sill pan, and flash the opening before resetting the unit.
- Corrosion on aluminum-clad and thermally broken frames near the coast. Salt air and fog pitting shows up first at cut edges and hardware. PGT ConservaGuard units on newer SoMa and Financial District high-rises need periodic hardware service to keep operating smoothly.
- Rotted sub-sill framing behind old single-pane units. On pre-1940s wood-frame rows, the original flashing fails decades before the window does. By the time we pull the old sash, the rough opening often needs rebuilding before any new PGT frame goes in.
PGT Service in San Francisco: What Local Conditions Mean for Your Equipment
In San Francisco’s pre-1940s Victorian and Edwardian rows on 25-foot lots, a rear addition that adds new PGT window and door openings usually triggers historic-resource evaluation and neighborhood notification under SF Planning before a permit is issued. That means glazing and frame-profile choices have to be locked in months ahead of the first rough opening, not after demolition. We saw this play out on a narrow Edwardian row in the 94109 ZIP near Russian Hill, where the plans called for a bank of PGT WinGuard vinyl sliders and casements facing the bay—similar challenges come up with PGT in Mission District historic homes. We found the original rear wall had failed flashing and rotted sill framing behind the old single-pane units, so we rebuilt and flashed the rough openings before setting the new PGT frames, then documented the glazing and frame profile for the historic-resource review. The finished openings now shed wind-driven rain instead of funneling it into the wall. If it’s not built right the first time, you’re just paying for it twice.
PGT Models & Products We Service in San Francisco
We install and repair PGT WinGuard Vinyl impact-resistant windows, the PGT Architectural Series in both aluminum-clad and vinyl, PGT WinGuard Aluminum impact units, and PGT ConservaGuard thermally broken aluminum on newer concrete high-rises in SoMa and downtown. For parts, we match OEM PGT sashes, glazing, and hardware whenever the unit is still in production. Where OEM is discontinued and the frame is sound, we use quality aftermarket glass and weatherseal. Our stock approach means faster turnaround for San Francisco homeowners—and for those needing PGT service in Noe Valley—who can’t wait weeks for a sash that’s fogged over in the middle of June gloom.
See the difference
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After
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AfterPGT Service Pricing in San Francisco
PGT work in San Francisco is priced by scope, not by guesswork. A single window swap lands differently than a rear addition with five new PGT openings and historic-resource documentation on top. Below are the ranges we quote most often:
| Service | Typical Range |
|---|---|
| Window Replacement | $5,310 – $17,700 |
| Impact Window Installation | $9,440 – $29,500 |
| Home Addition | $53,100 – $153,400 |
| Roof Repair | $470 – $2,125 |
What drives cost here is the condition of the rough opening, whether the building triggers historic review, and how much flashing and sill-pan rebuilding the project needs. Our free estimate includes a written line-item quote. Call (855) 473-5620 to set one up.
Serving San Francisco, CA — Our Local Coverage Area
We’re based in the San Francisco 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 San Francisco
Yes, in most San Francisco residential work a building permit from DBI is required for window replacement, and if your building sits in a historic district or is a protected resource, the project may also need SF Planning review before DBI will sign off. We handle the permit submittal and documentation as part of the job. Call (855) 473-5620 and we’ll check your address against the city’s historic-resource maps before you spend a dollar.
Yes, and it’s one of the most common projects we run in San Francisco. The catch is that new openings on a pre-1940s structure typically trigger historic-resource evaluation and neighborhood notification under SF Planning. Glazing type, frame profile, and muntin patterns have to be selected and documented well before framing starts. We lock in those specs during the design phase so the permit review doesn’t stall the job. Call (855) 473-5620 for a free estimate on your addition.
Fogging between panes means the insulated glass seal has failed, and in San Francisco the marine layer accelerates that failure. Constant Pacific damp and daily temperature swings stress the factory seal until the unit loses its inert gas and moisture works in. If the frame and sash are still sound, we can usually reglaze the unit with OEM or matched glass. Call (855) 473-5620 for an inspection and an exact quote.
Yes, PGT WinGuard vinyl units are engineered for impact and wind-driven rain, but the weak point on any window in San Francisco is the flashing and perimeter sealant at the rough opening, not the window itself. On west-facing elevations in the Richmond and Sunset, we rebuild sill pans and re-flash before setting the new frame. The window will hold; the installation details decide whether the wall stays dry. Call (855) 473-5620 to have us inspect your existing rough openings.
No, San Francisco does not sit in a hurricane wind-borne debris zone like south Florida, so impact-rated PGT units are not a code requirement here. Some homeowners choose them anyway for the extra glass strength and noise reduction, particularly on busier corridors or western exposures. We’ll tell you honestly whether the added cost makes sense for your elevation. Call (855) 473-5620 and we’ll walk the site with you.
Service Areas Near San Francisco
Our PGT work reaches across the Bay Area. We regularly handle PGT service in Chinatown and Tiburon, along with projects in Fontana, Bloomington, and Rialto. If your home is within reach of San Francisco’s job sites, chances are we can put a crew on it.
Book Your PGT Service in San Francisco Today
If you need PGT windows, doors, or a rear addition that adds new openings, call (855) 473-5620 to schedule a free estimate with our General Contractor in San Francisco. Ruben and our crew will walk the site, check the rough openings, and give you a line-item quote before you commit. Same-day inspections are often available in San Francisco.
Written by Ruben Castillo, Owner at San Bernardino Contractors, serving San Francisco with independent PGT construction services.