Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Kentfield
Window replacement in Kentfield costs between $850 and $2,400 per window for most ranch and Craftsman homes, with full-frame jobs on original wood openings running higher due to custom trim work and redwood siding repair. We serve every neighborhood in Kentfield, from the flats near College of Marin to the acreage lots off Sir Francis Drake Boulevard, and we quote every job with a written price before any work begins. Our team knows this town’s windows cold: the painted-shut originals, the swollen sashes, the design-review requirements that kill off-the-shelf vinyl. Call (252) 675-6980 to schedule your free estimate.

Why Hale Windows & Doors Is Kentfield’s Preferred Window Replacement Company
Kentfield homeowners don’t call us because we’re the cheapest. They call us because we show up knowing exactly what this town’s houses demand, and we put the price in writing before anyone picks up a tool. We’re an independent window and door specialist, part of the Threshold Group family, with product depth across eight professional-grade lines, including PGT, ViewLux, and CGI. That matters here because Kentfield isn’t a one-size-fits-all market. A 1950s ranch on a shaded lot needs a different window than a 1920s Craftsman near the flats, and we match the product to the house rather than pushing one brand.
Every Hale technician arrives under the Threshold Standard: background-checked, identity-verified, uniformed, photo-badged, and pre-announced by name and photo before the visit. You’ll know exactly who’s coming to your door in Kentfield before you open it. That’s not a courtesy. It’s how we’ve operated since 2009, and it’s why homeowners who are often home alone, or raising young kids, or simply done with strangers at the door keep calling us back. Spencer Odell leads our team, and the 365-Day Done Right Promise is stamped on every job: if it’s not done right, we make it right. No argument needed.
Kentfield’s design review and fire-safety rules don’t intimidate us. We’ve done the millwork matching, the glazing substitutions, and the ember-resistance upgrades that this town’s permitting process actually requires. That local fluency means fewer surprises on your invoice and a smoother job from first measurement to final inspection.
Window Sash Replacement in Kentfield
Window sash replacement in Kentfield typically runs $350 to $1,100 per sash, depending on whether the frame is salvageable and whether we’re matching historic trim profiles or working with a standard rectangular opening. In this town, sash replacement isn’t a shortcut. It’s often the right move when the frame is solid but the moving part of the window – the sash itself – has swollen, warped, or rotted under decades of fog, redwood shade, and winter rain. We rebuild the sash to fit the original opening, replace worn balances and hardware, and reglaze with insulated glass units that actually hold up in this damp microclimate.
When the Frame Is Still Sound
If your jamb and sill are square and dry, we replace just the sash. That saves the surrounding redwood siding, keeps the original opening dimensions intact for design review, and costs significantly less than a full-frame job. We field-measure each opening, order or fabricate the sash, and install it with new weatherstripping rated for coastal humidity.
When the Sash Hides Bigger Damage
On Kentfield ranch homes from the 1950s and 60s, a swollen sash often hides rotted jamb framing behind it. We don’t discover that by surprise and hand you a change order. Before we quote, we probe the frame for soft spots and document what we find, so the written price you receive reflects the real scope. If we can’t confirm the frame condition until demo, we tell you that upfront, before you commit.
Window Glass Repair in Kentfield
Window glass repair in Kentfield costs $180 to $520 per pane for most single-family homes, with insulated glass unit replacement running higher when the original sashes were built for single-pane glass. Kentfield’s shaded lots mean homeowners often live with cracked or fogged glass longer than they should, because the damage is cosmetic at first. But a failed seal on an insulated unit lets moisture into the air gap, and under this town’s fog and rain, that fogging becomes permanent. We replace the glass, not just patch it, and we match the coating and tint to the original so the window still passes design review.
Fogged or Failed Seals
When an insulated glass unit loses its seal, it fogs from the inside and you can’t wipe it clean. This is one of the most common calls we get from Kentfield homeowners in the hills, where morning fog is heavy and the temperature swings between shade and filtered sun stress older seals. We order replacement IGUs built to the original sash dimensions and install them on-site, usually same visit.

Single-Pane to Insulated Upgrades
Many original Kentfield windows are single-pane wood sashes. A straightforward glass repair can sometimes double as an upgrade if the sash profile allows a thicker insulated unit. Low-E glass – a thin coating that blocks heat while letting light through – matters here even though Kentfield is cool, because it also cuts the radiant heat that warps wood sashes over time. We’ll tell you honestly whether your sash can accept an IGU or whether we need to rebuild the sash to make it work.
Trusted Brands We Service in Kentfield
We install and service windows from PGT, ViewLux, and CGI, among eight professional-grade lines we carry, so Kentfield homeowners aren’t stuck with whatever the big-box store has on the shelf. That product depth matters when design review rejects a generic vinyl unit and you need a wood-clad or fiberglass alternative that matches your home’s character. We keep common parts and hardware for these lines readily available, which means faster turnaround for sash and glass repairs in Kentfield without waiting on a slow distributor. If your existing windows came from a line we don’t carry, we’ll still quote the repair and source the right replacement parts rather than forcing a full replacement you don’t need.
Common Window Replacement Problems We See in Kentfield Homes
- Painted-shut original sashes. Decades of fog and rain swell the wood, homeowners paint over the seam, and eventually the window will not move at all. We see this constantly on 1920s Craftsman and 1950s ranch homes, and freeing the sash often reveals rotted jamb framing that wasn’t visible from the outside.
- Swollen and warped wood under the redwood canopy. Kentfield’s shaded lots hold moisture longer than sunnier parts of Marin. Original wood windows here fail faster, and the damp promotes rot at the sill corners where water pools after winter storms.
- Design-review rejection of off-the-shelf vinyl. Marin County’s design review for Kentfield is strict about architectural character. Homeowners who buy standard vinyl replacements from a home center often find they can’t get them approved because the trim profiles and opening sizes don’t match the original, and we get called in to fix the scope.
- Wildfire ember exposure on acreage lots. Homes off Sir Francis Drake Boulevard and the larger parcels toward the hills sit closer to wildfire zones. Unrated glazing and non-ember-resistant venting fail fire-safety review and can complicate insurance, which is why ember-rated assemblies are becoming the norm here.
Pricing for Window Replacement in Kentfield, CA
Here’s what Kentfield homeowners can expect to pay in 2026. A standard insert window replacement runs $850 to $1,400 per opening. Full-frame replacement with redwood siding repair runs $1,800 to $2,400 per window, and that climbs when we’re matching historic trim profiles that are no longer stocked. Custom sash replacement typically lands between $350 and $1,100 per sash. Glass-only repair runs $180 to $520 per pane. What moves the price in Kentfield specifically is the millwork: matching a 1950s Craftsman trim detail isn’t an off-the-shelf situation, and we scope that cost before we quote, not after. Call (252) 675-6980 for a free estimate. We’ll put the exact number in writing before any work starts, and that number will not change unless you approve a written change order first.
We Also Serve Cities Near Kentfield
Our Window Replacement team covers Kentfield and the surrounding Marin communities, including Window Replacement in Kentfield‘s neighbors in Larkspur, San Anselmo, San Rafael, and Corte Madera. If you live just outside town but your home faces the same redwood-shade moisture and design-review constraints, we’re already familiar with your street.
Serving Kentfield, CA - Our Local Coverage Area
We’re based in the Kentfield 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 Replacement in Kentfield
Standard vinyl units usually fail Marin County design review in Kentfield because the trim profiles, sightlines, and opening sizes don’t match the original 1920s to 60s architecture. Design review here prioritizes architectural character, and a stock vinyl window with a different frame width and muntin pattern will not match. We quote wood-clad and fiberglass systems that hold up under the damp canopy and clear design review without a fight. Call (252) 675-6980 and we’ll tell you in the first conversation whether your opening needs custom work or whether a stock product will pass.
Yes. Kentfield sits in a shaded, humid microclimate where morning fog and redwood canopy hold moisture against window frames for hours longer than in drier parts of Marin. That constant damp swells wood sashes, breaks paint adhesion, and accelerates rot at the sill corners. A wood window in Kentfield will deteriorate faster than the same window in a sunny, exposed lot in Larkspur, which is why we recommend fiberglass sashes or wood-clad frames with rot-resistant materials for the moving parts.
On a Kentfield acreage lot, replacing painted-shut original windows usually involves freeing the sash, inspecting hidden jamb and sill framing for rot, patching redwood siding, and field-matching historic trim profiles that are no longer stocked. Because larger lots here also have county-level permitting, septic and well setbacks, and sometimes fire-safety overlays, we factor access and permit scope into the quote before you sign anything. The window itself is often the easiest part of the job. The millwork and the permit path are what takes real work.
If your home sits on the larger parcels toward the hills or near wildfire zone boundaries, yes. Ember exposure is a real issue in Kentfield, and replacement windows with unrated glazing or non-ember-resistant venting can fail fire-safety review and complicate insurance. We install ember-resistant assemblies and tempered or rated glazing where the property’s location calls for it, and we’ll flag it during the estimate rather than leaving you to find out from the building department.
Yes, and in Kentfield we often recommend exactly that. If the frame is square and dry, a sash replacement or a glass-only repair preserves the original opening size, avoids redwood siding damage, and costs significantly less than a full-frame swap. We’ll tell you plainly if a repair is the better move instead of selling you a full replacement you don’t need. That’s the same honesty we apply to the written price: you’ll know the real scope before you commit. Call (252) 675-6980 for a free estimate and we’ll inspect the window in person.
Written by Spencer Odell, Owner at Hale Windows & Doors, serving Kentfield with window and door replacement since 2009.










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