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 replacement in San Rafael runs $850-$2,400 per opening for most standard sizes, with full-home projects typically landing between $12,000 and $38,000 depending on glass spec, frame material, and whether your parcel sits in a fire-hazard overlay zone. We’re Westlight Windows & Doors, an independently owned and operated Kingswell location serving San Rafael since 2009 under Owen Satterfield’s leadership. Our crews know the difference between a flatland Title 24 swap in Terra Linda and a hillside replacement in Dominican that triggers Marin County fire-overlay review. If you’re pricing windows, call (903) 354-7134 and ask for a written quote before any work starts.

Why Westlight Windows & Doors Is San Rafael’s Preferred Window Installation Company
We show up in the window we gave. That’s the first sentence Owen Satterfield uses with new San Rafael customers, because half our calls start with a story about a contractor who didn’t. San Rafael homeowners have dealt with no-shows, price jumps at the door, and window seals that fogged out six months after installation. We built Westlight around the Kingswell Guarantee instead: a written price before any work begins, a committed arrival window, a job site left cleaner than we found it, and a written guarantee handed to you at completion. If the repair fails within the guarantee period, we come back at no charge. No negotiation, no revised invoice.
Every technician who walks through your San Rafael door is background-checked and uniformed. The phone is answered by a live person 24 hours a day, seven days a week. You can reach a real human at (903) 354-7134 at 2 a.m. if that’s when you’re pricing out a project. And because we carry eight manufacturer lines including PGT, CGI, and ViewLux, we’re not forcing your house to fit one brand. We match the product to the San Rafael job.
The neighborhoods we work in matter to how we schedule and price. Terra Linda ranch homes from the 1950s and 60s have predictable rough-opening sizes and accessible staging. The Canal district’s 1920s Craftsman bungalows and downtown’s Spanish Colonials have wood frames, soft jambs, and no margin for error. We quote those jobs differently, and we explain why in the estimate.
Vinyl Windows in San Rafael
Vinyl Windows in San Rafael are the most common replacement we install across the city, and for good reason: they handle the valley’s 15-20°F summer heat swing better than old single-pane aluminum without costing what a full fiberglass or wood-clad retrofit runs. A standard double-hung vinyl window in San Rafael runs $850-$1,400 installed, with larger or fire-rated configurations pushing toward $1,800. For a 1960s Terra Linda ranch with eight to ten original aluminum sliders, a full vinyl replacement is the single best dollar-per-degree-of-comfort upgrade you can make.
This is not a one-size-fits-all install. San Rafael’s hillside parcels add a layer of spec that flatland Marin cities rarely see. If your home sits inside a CAL FIRE Very High Fire Hazard Severity Zone, the county can require tempered or multi-pane glass and non-combustible frame details even on a like-for-like window swap. We quote those assemblies up front so the permit doesn’t surprise you at rough-in.
When Vinyl Makes Sense for Your Home
You want lower solar heat gain through south and west-facing glass in Sun Valley or Dominican without jumping to impact-rated pricing. Vinyl frames with low-e insulated glass units, that thin coating that reflects heat back out in summer and back in during winter, deliver that. The material also shrugs off the winter rain and bay winds that rot older wood frames in the Canal district and downtown San Rafael.
What to Expect During the Install
Each opening takes about 90 minutes to two hours once the old sash is out and the rough opening is prepped. We check the jamb for rot before any new frame goes in. On tight San Rafael lots with no off-street parking, we pre-cut and label components off-site so the crew isn’t running a chop saw on your front walk all day.
Picture Window in San Rafael
A Picture Window in San Rafael is a fixed, non-operable pane that frames a view without mullions or sashes breaking the sightline. That matters more in this city than most because San Rafael’s hillside homes in Dominican and Sun Valley were built to capture Mount Tam views, not to hold back afternoon heat. A standard picture window replacement runs $700-$2,000 installed depending on glass area and fire-zone requirements. Large fixed panes over 9 square feet on a Very High Fire Hazard Severity Zone parcel will push toward the top of that range because the county requires tempered glass.
The job isn’t just swapping glass. Picture windows on older San Rafael homes, especially the 1920s-40s Craftsman and Spanish Colonial stock in the Canal district and downtown, often sit in wood frames that have been quietly rotting behind the trim for decades. We inspect the rough opening, address soft framing before the new unit goes in, and seal it to the fire-overlay standard where applicable.
Why Fixed Glass Costs More Than It Looks
You’re paying for the glass unit, not operation. Large picture windows use heavier insulated glass units that take two people to set, and they need precise shimming so the seal isn’t stressed by frame movement. In hill zones, tempered or multi-pane laminated glass adds cost but also blocks ember intrusion during wildfire season, something flatland Marin windows are never asked to do.

Where Picture Windows Fit Best
East-facing walls in Terra Linda catch the morning light without the heat load of a west exposure. South-facing fixed panes over a garden window bump-out in San Anselmo-adjacent neighborhoods give you the view and the vegetable starts the same wall. We’ll tell you if a picture window is the wrong call for a given exposure; sometimes an operable casement is the smarter buy.
Trusted Brands We Service in San Rafael
We install and stand behind products from eight manufacturer lines, with PGT, CGI, and ViewLux among the most requested for San Rafael homes. PGT and CGI build impact-rated and fire-rated units that clear Marin County’s hill-zone overlay without a compatibility fight. ViewLux gives us a clean, modern slim-line vinyl option when the job is about light and sightlines more than storm or fire rating. For San Rafael customers, the right brand conversation starts with one question: what is this window actually up against? Heat, fire embers, wind-driven rain, or all three. We quote accordingly, and we keep local parts access fast so a warranty call in Larkspur or Kentfield doesn’t become a two-week wait.
Common Window Installation Problems We See in San Rafael Homes
- Fire-overlay flagging on like-for-like swaps. A permitted Title 24 changeout in Novato sails through, but the same window on a Dominican hillside parcel gets rerouted into Marin County’s Very High Fire Hazard Severity Zone review. The fix is tempered or multi-pane glass, non-combustible frames, and ember-resistant gap sealing. We know when to expect this and price it up front.
- Tight-lot staging turning the job into a neighborhood problem. No street parking after 4 p.m., one narrow driveway, a shared fence line two feet from the rough opening. We pre-cut and label components off-site, tape off a clean carry path, and post party-wall notice before work starts so the neighbor signs off at load-out instead of calling the city.
- Seal failure and rot on 1920s-40s wood-frame openings. The Canal district and downtown San Rafael are full of Craftsman bungalows and Spanish Colonials with soft jambs hiding behind old trim. We do a structural check of every rough opening before any new sash goes in. If we find rot, we tell you the same day and put the fix in writing.
- Single-pane aluminum sliders with no heat load control. Terra Linda’s original 1960s sliders are past their functional life, and San Rafael’s inland valley heat makes the problem worse than coastal Marin. The same uncoated glass that’s tolerable in Tiburon makes a Terra Linda living room 15°F hotter by 3 p.m. A full low-e vinyl replacement changes that permanently.
Pricing for Window Installation in San Rafael, CA
Standard vinyl double-hung replacements in San Rafael run $850-$1,400 per opening installed. Picture windows run $700-$2,000 depending on size and whether fire-rated glass is required. Bay and bow window assemblies start around $3,200 and go up from there, and a full-home replacement on a Terra Linda ranch typically lands between $12,000 and $38,000. The variables that move the number are glass spec, frame material, second-story access, and whether your parcel sits inside a CAL FIRE Very High Fire Hazard Severity Zone. Every Westlight quote is a written, line-item price delivered before any work starts. We don’t revise the number at the door, and we don’t add change orders because we missed something in the walkthrough. Call (903) 354-7134 and we’ll schedule a free estimate, walk the openings with you, and put the Kingswell Guarantee price in writing.
We Also Serve Cities Near San Rafael
Our crews cover Larkspur, Kentfield, Corte Madera, and San Anselmo on the same schedule as our San Rafael work. If you’re in one of those neighboring towns and pricing a Window Installation, the same written-price guarantee and the same background-checked technicians apply. One phone call to (903) 354-7134 covers the whole Marin corridor.
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 About Window Installation in San Rafael
Yes, in most cases. Parcels inside the CAL FIRE Very High Fire Hazard Severity Zone get routed through fire-hazard overlay review, which typically means tempered or multi-pane glass, non-combustible frame materials, and ember-resistant gap sealing. We quote those assemblies in the initial written estimate so the permit application is spec-correct the first time. Call (903) 354-7134 and we’ll check your parcel designation before you spend a dollar.
Yes, and we plan for it before we arrive. Crews pre-cut and label every component off-site so we’re not running saws on your front walk. We’ll coordinate staging with you day-of, post party-wall notice where a neighbor is close, and leave the walkway clean when we load out. Site access changes the labor estimate, and we put that number in writing up front.
Your summer afternoon indoor temperature drops noticeably, and your winter heat stops bleeding through uncoated glass. We swap the old sliders for low-e insulated glass units in vinyl or composite frames, sized to the existing rough openings so the install stays clean. In Terra Linda specifically, the 1960s rough openings are consistent, which keeps the per-window labor predictable. Expect a two-to-three-day job for a full ranch, with each opening running about 90 minutes to two hours.
Second-story work, no off-street parking, and narrow side yards all add labor hours. A ground-floor slider replacement with the truck parked out front quotes lower than the same window on a hillside Dominican lot where every pane has to be hand-carried up a switchback. We walk the site before we quote, so the written price reflects your actual access, not a generic Marin average. That’s part of the Kingswell Guarantee.
Expect a rough-opening inspection before any new sash goes in. Wood-framed openings from the 1920s and 30s hide rot behind trim and sometimes lack the structural integrity to hold a heavier modern window. We check every jamb, address soft framing when we find it, and document the fix in the written estimate. The goal is a new window that stays square and sealed for decades, not one that leaks because the jamb failed first.
If the window installation is not done right within the guarantee period, Westlight comes back and fixes it at no charge. That includes a free second visit if a repair fails, with no negotiating required. The promise is written, not verbal, and you get it at job completion along with the line-item price we quoted before work began. If something isn’t right, call (903) 354-7134 and a live person picks up, 24/7. Owen Satterfield built the company on that promise, and San Rafael homeowners hold us to it daily.
Get Your San Rafael Window Project Priced in Writing
The only way to know what your San Rafael window installation will cost is to walk the openings with someone who understands this city’s fire-zone overlays, 1960s tract-home rough openings, and 1920s wood-frame quirks. We’ll give you a written line-item price, a committed arrival window, and the Kingswell Guarantee in writing before a single screw turns. Call (903) 354-7134 and ask for a free estimate. It’s the same number whether you’re in Terra Linda, downtown, or up in the Dominican hills, and a real person answers.
Written by Owen Satterfield, Owner at Westlight Windows & Doors, serving San Rafael since 2009.










Before
After
Before
After
Before
After