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Window Company in San Anselmo, CA
Window and door work in San Anselmo runs into two realities on nearly every job: older housing stock and steep, irregular lots. Most homes here were built between the 1920s and 1970s, which means custom opening sizes, settled frames, and trim profiles that big-box replacement windows don’t fit without modifications. We’re Meridian Windows & Doors, the windows-and-doors specialist inside the Garrison Partners network, and we price every San Anselmo job on paper before any work starts. If you’re weighing window or patio door work, call (817) 686-2228 and we’ll walk the project with you.
Why San Anselmo Homes Are Different
San Anselmo sits against the eastern slope of the Marin hills, and that terrain shapes the work. The flats near Sir Francis Drake Boulevard and Red Hill tend toward mid-century ranchers and bungalows, while the hillside streets up into Sleepy Hollow and the Seminary area hold larger custom homes with older double-hung originals and varying foundation movement. We regularly see sashes that no longer seat square because the framing has settled, which means a replacement has to be measured to the actual opening, not the nominal size on the original sticker.
The climate plays a role too. Cool, damp winter air off the bay pushes moisture against western exposures, and homes that still have single-pane windows or wood sashes deal with condensation, rot at the bottom rail, and swollen frames. Low-E glass – a thin coating that reflects heat while letting light through – matters here as much for keeping heat in during June gloom as it does for keeping summer sun out. And because much of San Anselmo sits within Ross Valley flood zones, some window and door replacements require floodplain-related review before a permit is issued. We handle that paperwork as part of the written scope.
Our Main San Anselmo Services
Most San Anselmo homeowners call about two things: replacing windows that have failed or drifted out of square, and replacing patio doors that no longer slide or seal against the damp air. Below are the three services we run in San Anselmo, each with its own page covering pricing and process.
Window Replacement in San Anselmo
Replacement work here usually starts when a sash won’t lock, glass fogs between panes, or a wood frame shows rot at the sill. In San Anselmo we deal with a lot of true divided-light originals in homes from the 30s and 40s, so the conversation is often about matching sightlines rather than swapping in whatever is quickest to order. We measure every opening, spec the right glass package from our manufacturer lines, and write the full price down before any order goes in. See Window Replacement in San Anselmo for local pricing and process.

Window Installation in San Anselmo
New-construction and addition work in San Anselmo moves on steeper grade than most of Marin, so flashing details matter. We’ll install to the rough opening with a focus on water management – head flashing, sill pan, backer rod and sealant at the jambs – because a window set into a hillside wall catches more driven rain than one on flat ground. The price is written before the crew shows up, and if the install fails within the year, we come back at no charge. Visit Window Installation in San Anselmo for the full breakdown.

Patio Door Installation in San Anselmo
Sliding patio doors in San Anselmo get a workout from the damp winters, and most of the doors we pull out have worn rollers, bowed tracks, or glass that lost its seal years ago. We replace them with doors specced for the exposure – multi-point locking hardware, low-E insulated glass, and frames that won’t swell in the wet season. Because many decks and patios here step down onto sloped yards, we check the threshold height and drainage path before writing the order. The page for this is Patio Door Installation in San Anselmo.

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 San Anselmo
We run eight manufacturer lines so the product gets matched to the house, not to what’s sitting in a warehouse. For San Anselmo work, the most common picks are ViewLux for modern sightlines, PGT for impact and coastal-rated units, and CWS when a homeowner wants a wood-look interior at a lower cost than full wood. Parts and sample hardware for these lines are stocked through our local Bay Area office, which keeps lead times shorter. See our brands for the full portfolio.
Pricing for Window Company in San Anselmo, CA
The table below reflects what we quote most often for San Anselmo work. Every figure is installed pricing with the details in writing before the job is scheduled.
| Service | Typical range in San Anselmo |
|---|---|
| Single window replacement (standard size) | $600 – $1,200 installed |
| Full-frame window replacement (rot or structural repair needed) | $1,100 – $2,000 installed |
| Double-hung replacement with low-E glass | $850 – $1,600 installed |
| Casement window replacement | $900 – $1,700 installed |
| Custom or oversized window (hillside or corner opening) | $1,500 – $2,800 installed |
| New window installation in an existing wall (cut-out) | $1,200 – $2,400 installed |
| Sliding patio door replacement | $2,200 – $4,000 installed |
| French patio door replacement | $2,800 – $5,200 installed |
| Multi-slide or folding patio door | $6,000 – $12,000 installed |
What pushes a San Anselmo quote toward the upper end is site access, full-frame rot repair, lead paint containment on pre-1978 homes, and any floodplain-related permit review. What doesn’t push it up is surprises at the door – the price goes on paper before work starts and it does not move.
Neighborhoods We Serve in San Anselmo
We work the whole town, from the flats north of downtown up through the hills. Most San Anselmo appointments are reached within one to two business days for a site measure, and we schedule in a two-hour arrival window so no one waits half a day.
- Sleepy Hollow
- Seminary area
- Red Hill
- Barber Tract
- Downtown San Anselmo
Service Area – Cities Near San Anselmo
We also run window and door crews in the towns directly around San Anselmo: Fairfax, CA, Kentfield, CA, San Rafael, CA, and Larkspur, CA. Scheduling and dispatch are coordinated from our San Francisco Bay Area office; the crews that work San Anselmo work these same neighborhoods.
Serving San Anselmo, CA - Our Local Coverage Area
We’re based in the San Anselmo 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 San Anselmo
Site measures are usually scheduled within one to two business days. We confirm a two-hour arrival window, and the person who shows up is a background-checked, uniformed technician, not a subcontractor you’ve never heard of. Call (817) 686-2228 and we’ll set a time.
Yes. When a permit is required – which is common for full-frame work, cut-out installs, and anything in the Ross Valley flood zone – we pull it, schedule the inspection, and make sure the job passes before we call it done. The permit scope is listed in your written quote so the price doesn’t shift mid-job.
Every install carries our written 365-Day Done Right Promise. If the work fails within the year, we return at no charge. The promise is in writing on every San Anselmo job, with no fine print about labor exclusions.
Call Meridian Windows & Doors at (817) 686-2228 to schedule a free estimate for window or patio door work in San Anselmo. A licensed and insured technician will measure, quote, and walk you through the options – and the number we put on paper is the number you pay.
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 San Anselmo Customers Say
"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."Good windows. One came with a scratch, so they reordered the sash. It took two weeks but they fixed it free."
- Otis M.










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