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Window Company in South San Francisco, CA
South San Francisco window and door work comes down to two things: coastal wind and aging tract housing. Most homes here were built between the 1940s and 1970s, and the original frames and sashes are now hitting the end of their service life. We’re Meridian Windows & Doors, part of the Garrison Partners family, and we handle window replacement, window installation, and patio door installation with a written price before any work starts. If you need a straight answer on cost or product fit for your South San Francisco home, call (817) 686-2228.
Why South San Francisco Homes Are Different
South San Francisco sits directly in the path of the afternoon wind that funnels off the bay and up through the Colma gap. That wind carries salt air and moisture, and it hits west-facing windows and doors harder than anything a house in, say, Redwood City deals with. Frames rot faster, weatherstripping dries out sooner, and patio door tracks collect grit that grinds rollers down. When we spec a window or door here, the conversation starts with wind exposure and how much salt the frame material can take before it needs real maintenance.
The housing stock is older and tightly built. Single-family homes from the 1950s and 1960s dominate the hillsides above downtown, while the flats near El Camino Real and the industrial corridor have smaller ranches and bungalows. Original windows in these homes are usually single-pane aluminum or wood with no thermal break, which means they conduct heat out in winter and let too much sun in during summer. Retrofitting them in South San Francisco means working around stucco exteriors, older rough openings, and the occasional code requirement that comes with hillside setbacks.
Our Main South San Francisco Services
Window replacement and patio door installation are the two jobs South San Francisco homeowners call about most, and window installation for new construction or additions follows close behind. Each has its own South San Francisco page with pricing, product lines, and local details.
Window Replacement in South San Francisco
Replacement work in South San Francisco is usually a retrofit into an existing frame, not a full tear-out. That means less stucco damage and a faster install, but the existing frame has to be square and structurally sound before we’ll sign off on it. We inspect for rot at the sill and water intrusion around the rough opening before any price goes on paper. If your windows are originals from the 1960s, the odds are high the flashing has failed at least once. Read the full service detail on our Window Replacement in South San Francisco page.

Window Installation in South San Francisco
New-construction and addition window installation in South San Francisco works differently from replacement. The rough opening gets framed to the window we spec, not the other way around. That means we work alongside the framing contractor or handle the opening prep ourselves depending on the job. Hillside lots in areas like Westborough and Terrabay can require engineered tie-downs and specific flashing details that a flat-lot home in the industrial flats never triggers. Details are on our Window Installation in South San Francisco page.

Patio Door Installation in South San Francisco
Patio doors in South San Francisco take a beating from wind-driven sand and the salt haze that rolls in off the bay. Sliding door tracks fill with grit, rollers bind, and the door eventually pulls out of alignment or stops sealing. We replace patio doors with products built for coastal wind loads, and we pay close attention to the threshold flashing, which is where most leaks start. You can see the product options and replacement process on our Patio Door Installation in South San Francisco page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in South San Francisco
We install and service windows and doors from CGI, CWS, and ES Windows, plus five other manufacturer lines. CGI and CWS product families are built for high wind zones, which matters on the exposed hillsides and bay-facing streets of South San Francisco. Parts and hardware for these lines are stocked through our bay area supply network, so repair turnaround stays tight. See the full portfolio on our brands page.
Pricing for Window Company in South San Francisco, CA
These are typical South San Francisco price ranges for window and door work, based on the jobs we quote most often in this city. Every price goes in writing before the first screw turns, and it does not move at the door.
| Service | Typical Range in South San Francisco |
|---|---|
| Standard window replacement (per window, retrofit) | $650 – $1,350 installed |
| Full-frame window replacement (per window, new construction) | $1,100 – $2,300 installed |
| Patio door replacement (sliding, standard 6-foot) | $1,800 – $3,800 installed |
| Patio door replacement (French, standard 6-foot) | $2,300 – $4,600 installed |
| Custom window replacement (oversized or specialty shape) | $1,500 – $3,500 installed |
| Window installation (new construction, per window) | $700 – $1,800 installed |
| Patio door track and roller repair | $180 – $420 |
| Window hardware replacement (locks, cranks, balances) | $120 – $350 per window |
| Full-house window replacement (10 – 14 windows, average 3-bedroom) | $9,500 – $22,000 installed |
Prices in South San Francisco push higher when we’re working on a hillside home with difficult access, when stucco repair is required around a full-frame replacement, or when a patio door opening needs structural correction before the new door goes in. The number we write down is the number you pay: no change orders for normal scope, no surprise line items at the end.
Neighborhoods We Serve in South San Francisco
We work across South San Francisco, from the hillside neighborhoods above Mission Road to the flats near the bay. Our crews know which streets have older rough openings, which HOAs require specific product approval, and where parking a work truck is its own project.
- Westborough
- Terrabay
- Sunshine Gardens
- Old Town South San Francisco
- Southwood
Most South San Francisco appointments can be scheduled within five to seven business days. We do not book same-day work for planned replacements; the quote visit is the first step, and from there the timeline depends on product lead time and the scope of the job.
Service Area – Cities Near South San Francisco
Meridian Windows & Doors serves South San Francisco as its core market and also covers nearby Peninsula cities. If you are in Brisbane, CA, Daly City, CA, San Bruno, CA, or Millbrae, CA, we handle window and door work there as well. Scheduling is coordinated from our San Francisco Bay Area office, and the same written-price guarantee applies across the service area.
Serving South San Francisco, CA - Our Local Coverage Area
We’re based in the South 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 About Window Company in South San Francisco
Most standard window replacements in South San Francisco are like-for-like retrofits and do not require a permit when the opening size does not change. Full-frame replacements and new construction work do require city permits, and we pull those ourselves as part of the job. We never ask a homeowner to file their own permit paperwork.
Yes. South San Francisco is a high-wind corridor, especially on the hillsides and along bay-facing streets. We spec windows with the correct design pressure rating for your exposure, and for exposed elevations we often recommend products like CGI’s impact-rated lines. The product selection is part of the free estimate visit.
Every window and door installation is covered in writing for 365 days from completion. If a failure is within that period, we come back at no charge and make it right. Call (817) 686-2228 and we’ll schedule the return visit; there is no fine print about labor exclusions on the Done Right Promise. To get started on your project, call (817) 686-2228 for a free written estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What South San Francisco Customers Say
"Solid install. Scheduling slid by a few days because of weather."
- Mona H."Front door and sidelights replaced. Weatherstripped and foamed properly. No more drafts."
- Brett A."Quoted fairly with the glass package explained. No hard sell."
- Gloria B.










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