Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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Window and door work in Fairfax, CA comes down to working on older, wood-framed homes in a cool, damp microclimate where fog off the bay meets redwood-shaded lots. We replace and install windows and patio doors here with products sized correctly for genuine stucco and shingle exteriors, not generic tract-home openings. If you’re looking for a window company in Fairfax that puts the price on paper before work starts, call (817) 686-2228.
Why Fairfax Homes Are Different
Fairfax sits in the Ross Valley, a narrow corridor between Bald Hill and the Marin County Open Space District ridges. That geography creates two realities a window installer has to respect. First, many homes here were built between the 1920s and 1970s, so rough openings are rarely square. Second, the hillside lots and shaded canyons mean some exposures stay damp for months each year, which accelerates rot in old wood sills and frames.
We see a lot of single-hung and awning windows being replaced with modern double-hung units that improve airflow during warm spells without inviting fog moisture through failed seals. Fairfax’s zoning and design-review process can also come into play. Some streets near the downtown corridor fall under design guidelines that favor wood or wood-clad exteriors over vinyl. We work with that; we don’t fight it. The job gets spec’d for what the town will approve and what the house can actually hold.
Neighborhoods like Deer Park and Cascade Canyon have tight, winding access roads. The truck and the crew plan for that before the first pane comes off the rack.
Our Main Fairfax Services
Most Fairfax homeowners reach out about one of three things: replacing old, drafty windows, installing new units in a remodel or addition, or putting in a patio door that connects a hillside home to its deck or garden.
Window Replacement in Fairfax
Older Fairfax homes often have original wood sashes with single-pane glass. The glass is thin, the glazing putty has dried out, and the sash weights in the wall have stopped doing their job. Replacement means pulling the old unit, addressing any rot in the rough opening, and installing a new window that seals properly against wind and damp. Low-E glass (a thin coating that reflects heat while letting light through) matters here on south-facing exposures where afternoon sun hits hard. We size each unit for the actual opening, not the nearest stock size. Read the full breakdown here: Window Replacement in Fairfax.
Window Installation in Fairfax
New build or addition work in Fairfax has a different rhythm. The framing is fresh, the openings are closer to spec, and the homeowner usually wants the glass ordered to match the architect’s plan. Installation still has to account for Fairfax’s damp winters, so flashing and waterproofing details get extra attention. We also coordinate with the general contractor’s schedule so the job doesn’t stall the build. More on that: Window Installation in Fairfax.
Patio Door Installation in Fairfax
Fairfax homes often have a deck or garden on the downhill side, and a sliding or French door is the connection between inside and out. The challenge here is leveling. Many hillside decks have settled over the years, and the door threshold has to be set so water drains away from the house, not toward it. We measure for the existing deck height and account for the slope before the door is ordered. Details: Patio Door Installation in Fairfax.
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 Fairfax
We service and install products from PGT, CGI, and ES Windows in Fairfax, covering impact-rated options, custom glass, and wood-clad styles that suit older and newer homes alike. Parts for common models are on hand locally, which trims turnaround on repairs and replacements. See our brands for the full line.
Pricing for Window Company in Fairfax, CA
| Service | Typical range in Fairfax |
|---|---|
| Single-hung window replacement (standard size) | $400 – $800 installed |
| Double-hung window replacement (standard size) | $550 – $1,000 installed |
| Awning window replacement | $450 – $850 installed |
| Picture window replacement | $600 – $1,600 installed |
| Sliding glass patio door replacement | $1,800 – $3,600 installed |
| Full house window replacement (8-10 windows) | $6,000 – $13,000 installed |
What pushes the price up in Fairfax is rot repair around old openings, custom sizing for 1920s and 1930s frames, and design-review requirements that call for wood-clad exteriors instead of basic vinyl. Whatever the number, the price is written down before we start, and it doesn’t change at the door. That’s how every job runs, no exceptions.
Neighborhoods We Serve in Fairfax
We work throughout Fairfax, from the flats near downtown to the steeper lots in the hills. Response time for most calls in town is same-day or next-day, depending on the job and what’s already on the schedule.
- Deer Park
- Cascade Canyon
- Oak Manor
- Marinda Oaks
- Fairfax downtown area
Service Area – Cities Near Fairfax
Along with Fairfax, our crews regularly take window and door jobs in the surrounding Ross Valley and central Marin communities. We serve San Anselmo, CA, Kentfield, CA, San Rafael, CA, and Larkspur, CA.
Serving Fairfax, CA - Our Local Coverage Area
We’re based in the Fairfax 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 Fairfax
Most Fairfax calls get same-day or next-day service for a diagnosis and written estimate. The actual install depends on product availability and the queue, but we’ll tell you the date before you commit. Call (817) 686-2228 for an exact schedule.
Fairfax requires permits for most window and door work when the opening changes size or the job involves structural repair. We handle the permit application as part of the job when it’s needed. Call (817) 686-2228 and we’ll check your specific situation.
Yes. If your street falls under design-review guidelines, we’ll spec the window or door to match what the town expects, including wood-clad or approved color options. The paperwork gets handled on our end, and the written price in Fairfax doesn’t change once it’s set.
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 Fairfax Customers Say
"Patio door replacement. Smooth sliding and a tight seal. Old door hauled away."
- Lena C."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.