Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Sliding glass doors
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AfterFast, Reliable Custom Windows & Doors Across Foster City
Custom windows and doors in Foster City usually means one of two things: fitting a new unit into an opening that’s no longer square, or specifying glass and hardware that can stand up to salt air off the lagoons. We do both. Our crews know the 1968-1985 tract homes, the lagoon-front townhomes, and the low-rise condos along East Hillsdale and Edgewater, and we quote the job for what Foster City actually needs, not what a catalog says. Call (888) 635-0804 and we’ll send a tech who measures every opening twice before talking price.
Why TruePane Windows & Doors Is Foster City’s Preferred Custom Windows & Doors Company
Foster City homeowners hire us because we treat a window or door opening as a structural condition, not a product slot. That distinction matters here. On a lagoon-side wall, the old aluminum frame has spent forty years in spray the homeowner never notices; the sill might be fine while the corner welds are dust. A tech who has never worked Bay fill will quote a stock replacement and discover the racked jamb after demo. Our people see it coming because we’ve done it hundreds of times along this peninsula.
Dale Kessler founded TruePane in 2008 over a simple rule that still names the company: if the pane is not true, the job is not done. That rule gets tested more in Foster City than almost anywhere else we serve. Ground settlement and marine air mean a “standard” install is rarely standard, and we build that into the quote rather than adding it as a surprise line item later. Background-checked, uniformed techs, side-by-side manufacturer quotes on paper, and both warranty layers registered in writing before the truck leaves your driveway.
When a Foster City customer calls, a live person answers, 24/7. Not a form, not a callback. That matters when a patio slider has seized with the fog rolling in off Sea Spray Lagoon and the house is open to the weather. We’ll be there when we say, and the work carries a Done Right Promise. If it is not done right, we make it right, with no paperwork arguments.
Our Custom Windows & Doors Services in Foster City
Custom Shape Windows
Foster City’s 1970s planned communities have plenty of half-rounds, eyebrow windows, octagons, and odd trapezoids over stairwells and front entries. Stock inventory never fits those openings, and a handyman patch job leaves a fogged unit inside five years. We template every custom shape in place, factory-order the exact radius or angle, and set it with the same flashing and shim discipline as a standard unit. On lagoon-front homes, we push thermally broken frames and marine-grade sealant as the default, not an upsell.
Commercial Storefront Glazing
Along East Hillsdale Boulevard and the retail strips off Metro Center, storefront aluminum systems take the same salt air as a waterfront patio door, plus decades of tenant turnover and half-done repairs. We replace storefront frames, glass stops, and gaskets, and we can re-glaze a storefront in one night so a business doesn’t lose a Tuesday. Foster City storefronts often show a particular pattern: top-corner corrosion where marine layer condensation runs down, which means the whole frame gets evaluated before we write a quote.
Curtain Wall Systems
The low-rise commercial buildings and larger condo entries around Foster City use curtain wall assemblies that are not designed to be repaired piecemeal forever. When the gaskets are cooked, the frame has pitting, and water is finding its way past the pressure plate, a proper re-glaze or selective replacement costs less over ten years than annual caulk-and-hope. We handle curtain wall for the small and mid-size buildings common here, coordinating access and scheduling around residents and tenants without shutting the building down for a week.
Architectural Grilles & SDLs
Many original Foster City homes and townhomes have a specific muntin grid pattern baked into their elevation, and we match it, true divided light or simulated divided light, without forcing a mismatched window into the wall. We keep a library of grid profiles from the 1970s and 1980s plans used across the city, including the waterfront townhomes off Sea Spray Lane and around Mariner’s Point. For lagoon-facing elevations, we specify SDL bars with a finish rated for coastal exposure so the grid doesn’t pit and streak within five years.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Foster City
TruePane is an authorized installer for more than a dozen manufacturer lines, and for Foster City’s conditions we regularly quote, PGT side by side on paper so you see the exact glazing, frame material, and hardware spec for each price. We stock common replacement hardware and rollers for patio sliders in our Bay Area service fleet, and we register both warranty layers in writing before the truck leaves your driveway, a Keystone Standard on every job. Authorized lines also include ES Windows and CGI for lagoon-front impact applications. We service and replace units from essentially every major brand, not just the ones we sell.
Common Custom Windows & Doors Problems We See in Foster City Homes
- Corroded aluminum frames on lagoon-side elevations. Salt-laden air off the lagoon system attacks the corner welds and screw bosses on original 1970s single-pane aluminum. The glass is usually fine; the frame has quietly become a sponge.
- Racked door jambs from Bay fill settlement. Foster City sits on compacted fill that keeps settling. Exterior doors, especially sliders, bind at the top corner or gap at the bottom because the opening is no longer a rectangle, and a stock pre-hung cannot fix that.
- Fogged insulated glass after retrofits. A failed seal lets marine-layer condensation sit between the panes nearly year-round. On original single-pane retrofits, the fog is dead giveaway that the first replacement was a budget unit without a coastal-grade seal.
- Slider rollers and tracks ground down by salt and sand. Lagoon-front patio doors eat steel rollers within 15-20 years. The door grinds, then sticks, then the handle breaks because someone yanked it. We replace rollers with stainless steel and realign the panel.
Pricing for Custom Windows & Doors in Foster City, CA
Custom shape windows in Foster City typically run $900-$2,800 per unit depending on size, shape, glazing, and finish. A lagoon-front patio slider replacement, installed square with new stainless rollers and proper flashing, usually lands between $1,800 and $4,200. Architectural grilles and SDL treatments add $180-$520 per sash depending on profile and finish. Storefront and curtain wall work is quoted per opening and per linear foot; a standard Foster City storefront re-glaze often runs $75-$120 per square foot including disposal of the old glazing.
What moves the number is the coastal-spec choices: thermally broken frames, marine-grade hardware, and impact glazing where elevation and exposure require it. The cheaper inland-spec version of the same job gets quoted by every low bidder; around the lagoon it rarely lasts a decade. We quote both options side by side and explain the difference in writing. Call (888) 635-0804 for a free estimate, no surprises on the bill.
We Also Serve Cities Near Foster City
Our crews work throughout the Peninsula and nearby communities, including Parkway, Arden-Arcade, Ladera Heights, and Commerce. If you’re in Foster City or one of the surrounding areas, call (888) 635-0804 and we’ll send a tech who knows the local housing stock. For residents throughout the region, our Custom Windows & Doors team handles everything from single-unit replacements to full lagoon-front window packages. Learn more about how we serve this area specifically on the Custom Windows & Doors in Foster City page.
Serving Foster City, CA - Our Local Coverage Area
We’re based in the Foster City 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 - Custom Windows & Doors in Foster City
Foster City sits on a peninsula with lagoons on three sides, so wind-driven salt air hits windows from multiple directions and gets trapped inside the frame tracks where it dries slowly. Original 1970s aluminum frames on lagoon-facing walls often show corner pitting and white-chalk corrosion within 20 years, while the same frame three miles inland in Belmont still looks serviceable. The fix is not just replacement; it’s specifying thermally broken frames and marine-grade hardware for any elevation that faces water or open Bay exposure. Call (888) 635-0804 for an exact recommendation for your elevation.
The entire city is built on dredged fill that continues to settle, and our crews routinely find exterior door openings racked 3/8 inch or more out of square. A stock replacement door cannot be shimmed enough to close properly in a racked opening, so we square the rough opening with pressure-treated blocking and custom shimming before setting the new unit. This is standard practice on almost every lagoon-side Foster City replacement, and skipping it is why some homeowners get a door that binds in July and gaps in January. Call (888) 635-0804 and we’ll measure the rack and quote it honestly.
For most lagoon-front homes in Foster City, impact-rated glazing is not a code requirement the way it is in parts of Florida, but it is worth considering on west-facing elevations where winter storm gusts push debris off the water. We frequently specify PGT or CGI impact units for those walls, not because they’re required, but because a broken slider in a storm means water intrusion in a house that already fights humidity. The premium is real, about 20-35% over a standard coastal-spec unit, and we quote both numbers so you decide with your eyes open.
Fog between panes is a failed insulated glass unit seal, and in Foster City the marine layer and nearly year-round condensation near lagoons push moisture into that failed seal faster than inland. Once the desiccant inside the spacer is saturated, the fog will not clear; the glass unit gets replaced, not “repaired.” On a 1970s townhome, this often means replacing the glazing within the original frame if the frame is still sound, which costs less than a full new window. A fogged unit is also a signal to inspect the neighbor units, because seal failure runs in batches here.
Yes, we match the original grille pattern from the 1968-1985 tract plans common across Foster City, including SDL and TDL profiles, without cramming a mismatched window into your elevation. We keep profile samples from original local developments and can order grids in coastal rated finishes so they don’t pit like the old ones. Bring a photo or let our tech inspect the home, and we’ll spec a match that reads period-correct from the sidewalk. Call (888) 635-0804 for a free estimate.
TruePane Windows & Doors serves Foster City with custom window and door installation, replacement, and repair, built for the city’s specific salt-air-and-settlement conditions. Call (888) 635-0804 now and a live person will schedule your free estimate, most jobs completed in a single visit, with a written line-item quote and both manufacturer warranty layers registered before our truck leaves your driveway.
Written by Dale Kessler, Owner at TruePane Windows & Doors, bringing years of glazing and installation craft to homeowners across the Bay Area.