Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across San Rafael
Window installation in San Rafael runs $450-$2,800 per window depending on material, size, and whether the home sits in a WUI zone, with full-home replacements typically landing between $12,000 and $38,000. We serve all of 94901, from the Canal district to the Dominican hills, and a live person answers when you call (888) 635-0804. The two biggest cost drivers here are not what most bids lead with: salt-air exposure near the bay and wildfire ember codes on the hills. We’ll walk through both below.
If you live in San Rafael, you know the town splits in two when it comes to windows. Down by the Canal, aluminum tracks seize from salt corrosion. Up in the hillside neighborhoods above the 101 corridor, Chapter 7A ember-resistance codes change what glass and seals you’re allowed to install. The company you choose needs to understand both, because the wrong spec in either zone means a callback within a decade, and sometimes within five years. That’s what our Window Installation crew accounts for on every San Rafael job.
Why TruePane Windows & Doors Is San Rafael’s Preferred Window Installation Company
TruePane Windows & Doors was founded in 2008 by second-generation glazier Dale Kessler, and the work here is shaped by a rule Dale keeps on the whiteboard: if the pane is not true, the job is not done. That rule applies as much to a $700 slider replacement in the Canal as it does to a $40,000 hillside retrofit above Dominican. We’re not the cheapest bid in San Rafael, and we won’t pretend to be. Homeowners who call us have usually replaced a fogged unit once already, or they’ve lived in the same house for twenty years and want this done once, in writing, with both warranty layers registered before our truck leaves the driveway.
What San Rafael homeowners get from us is specific. Background-checked, uniformed technicians who measure every opening twice. Side-by-side quotes on manufacturer lines, on paper, so you see exactly what you’re buying. A Done Right Promise on every job, backed by The Keystone Standard: both manufacturer warranty layers registered in writing, durations stated, no arguing if something isn’t right. And when you call (888) 635-0804, a live person answers, 24 hours a day, 7 days a week. Not a voicemail tree. Not a regional call center. A person who knows San Rafael.
Dispatch for our crews is coordinated from the San Francisco Bay Area office, and our technicians work throughout Marin County regularly. We sponsor county fairs and church roof funds because Dale intends for this company to be answering the phone in San Rafael thirty years from now. That’s the kind of warranty that matters.
Our Window Installation Services in San Rafael
We install, replace, and service windows and doors for residential homeowners across San Rafael. The four options below cover most of the work we do in 94901, each with its own fit depending on the house, the exposure, and the code requirements.
Casement Windows
Casement windows seal tighter than sliders, which matters in hillside San Rafael homes where wind-driven ember intrusion is the failure mode the county cares about. We commonly specify casements with tempered multi-pane glazing on WUI-reviewed retrofits above downtown, because the compression seal outperforms a sliding track when the Santa Ana pattern pushes dry wind through the Marin hills. Fusion-welded vinyl frames cost $700-$1,700 installed per unit in San Rafael, fiberglass slightly higher.

Awning Windows
Awning windows work well in Marin because they let you vent during fog-heavy mornings without opening the house to rain. In San Rafael’s Dominican and Gerstle Park areas, where mid-century ranches often pair a fixed picture window with smaller awning vents, we spec corrosion-resistant hardware as a baseline. Stainless steel hinges and locking mechanisms hold up where untreated aluminum fails within a decade.

Fixed & Picture Windows
A fixed window seems simple, but the frame is doing all the work. On San Rafael hillsides with WUI requirements, a fixed picture window without tempered glass will not pass Chapter 7A review. Period. We quote fixed units at $350-$1,200 installed depending on size and glazing spec, and we order the glass package the code requires before we set foot in your living room. No second trip because the inspector flagged something.

Single & Double Hung
Single and double hung windows are the most common replacements in San Rafael’s older housing stock, particularly in the 1950s-1970s wood-frame homes throughout 94901. We replace a lot of original single-pane aluminum units here, and the pattern we see is consistent: Wood-frame double-hung windows in Dominican-area Craftsman homes suffer jamb rot from valley fog and condensation. Steel balance systems rust. Sashes bind. The fix is a correctly measured replacement with a sloped sill and sealed frame, not another caulk bead.

Bay & Bow Windows, Garden & Basement Windows
Bay and bow windows need structural support and a roof or overhang that sheds water. In San Rafael, where fog drives condensation into every thermal break, the flashing matters as much as the glass. Garden windows face the same issue on a smaller scale. We also replace basement windows, including the odd-sized hopper units common in older Canal and Bret Harte area homes. When rough openings are not standard, we measure and source custom frames rather than forcing a stock unit into a hole it does not fit.

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 San Rafael
We’re an authorized installer for more than a dozen manufacturer lines, and we quote, and PGT side by side on paper so San Rafael homeowners can compare glass packages, frame materials, and warranty terms before spending a dollar. For bayfront properties in the Canal district, we lean toward Milgard with stainless steel hardware. For hillside WUI retrofits, we spec PGT or CGI impact-rated lines where the code calls for it. We carry or can source local replacement parts quickly, and we register both warranty layers before the truck leaves your driveway. That’s The Keystone Standard, and it is not optional.
Common Window Installation Problems We See in San Rafael Homes
- Salt-air corrosion in the Canal district. Untreated aluminum window tracks in the Canal neighborhood corrode and seize within 10-15 years due to salt air off San Rafael Bay, requiring premature replacement. We specify stainless steel or marine-grade hardware as a baseline on bayfront streets.
- WUI Chapter 7A failures on hillside homes. Single-pane windows on hillside homes in 94901 carrying Very High Fire Hazard Severity Zone designation fail WUI Chapter 7A ember-resistance reviews because they lack tempered multi-pane glazing and intumescent seals. If your home is above the 101 corridor, this likely applies to you.
- Seal failure and fog between panes. Fog between panes in older dual-pane units on hillside ranches signals seal failure and lost argon fill, dropping U-factor performance and raising condensation on interior glass. The fix is a new sash or a full replacement, not a defogging treatment that lasts one season.
- Jamb rot in Craftsman windows. Wood-frame double-hung windows in Dominican-area Craftsman homes suffer jamb rot from valley fog and condensation, causing sash misalignment and drafts. Replacement frames with composite or vinyl jambs eliminate the recurring rot cycle.
Pricing for Window Installation in San Rafael, CA
A typical window replacement in San Rafael runs $450-$1,800 per unit for vinyl or aluminum frames, $900-$2,800 per unit for fiberglass or wood-clad, and $12,000-$38,000 for a full-home replacement across both zones of 94901. The price gap between the flatland spec and the hillside spec is real: a standard dual-pane slider in the Canal costs less than a Chapter 7A-compliant casement with tempered glazing and intumescent seals above Dominican, because the glass package, the frame, and the labor all step up. Cheap hardware near the bay costs more within a decade, because you replace it. We quote both options honestly and line-item the difference. Call (888) 635-0804 for a free estimate. Estimates are free, in writing, and neither warranty layer gets registered until you approve the scope.
We Also Serve Cities Near San Rafael
Our crews serve San Rafael and the surrounding Marin communities including Larkspur, Kentfield, Corte Madera, and San Anselmo. If you’re in one of those towns and have been living with a fogged pane or a window that binds in July, the same Window Installation in San Rafael team handles the work, with the same Done Right Promise behind it. Call (888) 635-0804 and a live person answers.
Serving San Rafael, CA - Our Local Coverage Area
We’re based in the San Rafael 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 - Window Installation in San Rafael
Yes, if your property sits within a mapped Very High Fire Hazard Severity Zone, which includes many hillside neighborhoods above the 101 corridor and toward the Marin hills. The county applies Chapter 7A building code requirements to window replacements there, which means tempered multi-pane glazing and intumescent weatherstripping. A standard dual-pane slider will not pass a WUI review on those parcels. We pull the compliance check on your address before we quote. Call (888) 635-0804 and we’ll walk the scope with you.
Salt air off San Rafael Bay is the difference. The Canal district’s proximity to the bayfront exposes aluminum window frames and hardware to measurable salt spray that corrodes untreated metal within 10-15 years, while San Anselmo sits far enough inland and west to avoid most of that exposure. The fix is stainless steel or marine-grade hardware and either vinyl or properly coated aluminum frames. We spec that as a baseline on bayfront San Rafael streets.
A standard replacement uses dual-pane glass in a standard frame. A Chapter 7A-compliant window adds tempered multi-pane glazing, ember-resistant seals, and an intumescent gasket that expands under heat to block burning material from entering the wall cavity. The cost difference in San Rafael runs roughly $250-$600 per window depending on size and manufacturer line. Hillside homes above downtown typically require the Chapter 7A spec, and we quote the correct unit the first time, before any permit is pulled.
Often yes. Many mid-century ranches in the Dominican and neighboring areas were built with non-standard rough openings that do not match today’s stock window dimensions. We keep relationships with manufacturers that run odd-size production, and we measure every opening twice before ordering. That’s the difference between a window that sits flush and a trim pack that hides a gap. If your opening is truly custom, custom is what we order, and the final price includes it.
Fog between panes means the seal has failed and the argon or krypton fill has leaked out. That window loses its insulating value, and the condensation you see on the glass in the morning is a symptom, not the problem. If the sash is otherwise sound, a replacement sash is sometimes enough. If the frame is also corroded or rotted, a full replacement is the honest recommendation. We’ll tell you which applies, in writing, with no pressure. Call (888) 635-0804 for a free estimate.
Call TruePane Windows & Doors for Window Installation in San Rafael
In the Canal neighborhood, we replaced a 1960s wood-frame home’s original single-pane aluminum slider windows with Milgard vinyl sliders featuring stainless steel hardware and argon-filled dual-pane glass. The old aluminum tracks had seized from salt-air corrosion, and the original sashes had seal failure with fog between panes. Our crew used flashing tape and fusion-welded frames to prevent moisture intrusion, and upgraded the weatherstripping to withstand the bayfront exposure. That’s the kind of job we do in San Rafael every week.
If the pane is not true, the job is not done. That founding rule names the company and governs every install we do, from a single slider in the Canal to a full Chapter 7A hillside retrofit. We stand behind it, and we’ll be there when we say. Call (888) 635-0804 to schedule your free estimate. A live person answers, 24/7, and the price we quote is the price you pay.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving San Rafael since 2008.



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