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 San Anselmo
Window replacement in San Anselmo is rarely a simple swap. The town’s narrow valley location means hillside homes catch fierce north winds that funnel through the gap, and downtown Victorian conversions almost never have standard-sized openings. You need a company that understands both the wind-load math and the architectural review process. Hale Windows & Doors has been doing exactly that since 2009, and we put a written price in your hands before anyone picks up a tool. Call (252) 675-6980 for a free estimate.

Our Window Replacement team serves the entire Ross Valley, from the flats near Memorial Park up to the hillside streets off Butterfield Road. We know which homes need impact-rated glazing and which need custom millwork to satisfy the town’s design review board. That local knowledge changes how we spec your windows, and it changes what you pay.
Why Hale Windows & Doors Is San Anselmo’s Preferred Window Replacement Company
We’re not a general contractor who happens to hang a window now and then. We’re a windows-and-doors specialist, and our Window Replacement in San Anselmo work spans Craftsman bungalows, Spanish Revival ranches, and the converted Victorians around downtown. Homeowners here choose us because we name the technician before they arrive. That’s the Threshold Standard: every crew member is background-checked, identity-verified, uniformed, photo-badged, and pre-announced by name and photo before the visit. You open the door knowing exactly who’s there.
Founded in 2009 as part of the Threshold Group family of home-service brands, we operate with one documented guarantee: the 365-Day Done Right Promise. If the work isn’t right, we make it right. No argument, no fine print. That promise is stamped on every San Anselmo job, whether it’s a single insert window on a downtown rental or a full-frame replacement on a hillside contemporary.
Our scheduling and dispatch for San Anselmo runs from our Bay Area office, and our crews are on local jobs throughout the week. When you call, a live person answers. That’s true at noon on a Tuesday and at 2 a.m. during a windstorm. No voicemail, no callback queue. Spencer Odell, who leads our team, insists on that.
Energy Efficient Windows in San Anselmo
Energy Efficient Windows in San Anselmo are less about air conditioning savings and more about stopping heat loss during those damp, foggy valley nights and keeping wind-driven rain out during atmospheric river events from November through March. A typical energy-efficient replacement in San Anselmo runs $850 – $1,400 per window for vinyl inserts, and $1,500 – $2,800 per opening for fiberglass or wood full-frame units with low-E glass (a thin coating that blocks heat while letting light through). The first sentence is the short version: you’re buying comfort and rot prevention as much as utility savings.
What the job involves
We remove the old sash and frame, inspect for hidden rot around the rough opening, then install the new unit with proper flashing and sealing. On north-facing walls, we add extra weatherstripping as standard because that’s where San Anselmo’s winds hit hardest. On the flats, we check sill pan flashing carefully because poor drainage pools water at thresholds and rots sills from below.
When a San Anselmo homeowner needs it
If your single-pane wood windows fog up every morning or you can feel a draft standing three feet away, it’s time. Homes built before 1970 in San Anselmo typically have no thermal breaks in their frames, which means the glass and the frame both conduct heat out all night. Upgrading to dual-pane with low-E glass changes how the whole room feels, especially in fog-prone areas near the creek.
Window Replacement Company in San Anselmo
A Window Replacement Company in San Anselmo has to be comfortable with two realities: non-standard openings downtown and wind-load requirements on the hillsides. When we replace windows here, the work involves precise measuring (often for custom units), coordination with the design review process when required, and installation that accounts for drainage and exposure. A full-frame replacement on a standard double-hung in San Anselmo runs $1,400 – $2,400 per window on average. Insert windows run less, typically $700 – $1,200 per opening, but they only work when the existing frame is still sound.
Custom and historic work
Downtown San Anselmo has Victorian-era commercial buildings converted to residential, and the window openings are rarely 32-by-60. We measure, order custom units, and document everything for design review. Most of these jobs need wood or fiberglass to match the original character, and we carry lines from CWS and ES Windows that fit this exact situation.

Hillside and wind-exposed homes
North-side homes backing onto the hills routinely need impact-rated glazing and heavier frames. We inspect exposure before we spec, because a window that works on a flat lot off Sir Francis Drake Boulevard won’t hold up on a hillside off Butterfield. The price difference is real, and we explain it in the written quote before you commit.
Trusted Brands We Service in San Anselmo
We service and install windows and doors from eight professional-grade lines: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For San Anselmo jobs we most often spec CWS and ES Windows for their custom wood and fiberglass capabilities, and PGT for impact-rated work on wind-exposed hillside lots. We don’t push one brand. We match the product to the opening, the exposure, and the design review requirements. Parts and warranty service are handled through our own team, which keeps turnaround faster than routing through a manufacturer’s service line.
Common Window Replacement Problems We See in San Anselmo Homes
- Hidden wood rot on north-facing walls. Wind-driven rain penetrates old casings, and the jamb softens before you see any paint failure. By the time it’s visible, the rough opening often needs repair too.
- Condensation and swelling from foggy mornings. The valley’s cool nights and morning fog make single-pane glass sweat, which wets the frames. Wood swells, sashes stick, and the cycle worsens every winter.
- Non-standard sizes in downtown conversions. Stock units don’t fit the converted Victorian commercial spaces around downtown, and homeowners end up with gaps, drafts, and visible shims if a contractor forces one in anyway.
- Threshold rot from poor drainage on the flats. Homes near the creek or on flat lots with heavy clay soil have water pooling at door thresholds. Without proper sill pan flashing, that water rots the sill plate and the window above it.
Pricing for Window Replacement in San Anselmo, CA
Here’s the honest picture. Vinyl insert windows in San Anselmo run $700 – $1,200 per opening installed. Full-frame fiberglass runs $1,500 – $2,800. Custom wood units for historic or non-standard openings start around $2,200 and go up from there, depending on species and finish. Impact-rated glass adds roughly 25 – 40% over comparable non-impact units, and on north-facing hillside homes we tell you when that’s the right call. What sets our pricing apart isn’t the number, it’s the process: the price is fixed in writing before you order anything, and it doesn’t change unless the scope changes and you approve it in writing first. Call (252) 675-6980 for a free estimate, and you’ll have the number in hand before any commitment.
We Also Serve Cities Near San Anselmo
If you’re outside San Anselmo proper, we cover Fairfax, Kentfield, San Rafael, and Larkspur as well. Same team, same written pricing policy, same 365-Day Done Right Promise. We coordinate scheduling across the Ross Valley and central Marin, so getting a technician to your street is straightforward.
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 Replacement in San Anselmo
Because the geography does something specific here. San Anselmo sits in a narrow valley, and wind from the north funnels through it with more force than the open flats of San Rafael or Larkspur. Hillside homes, especially those backing onto open space on the north side, get hit by gusts that drive debris against the glass. Impact-rated glazing isn’t a hurricane code requirement here; it’s the practical answer to a wind pattern local homeowners already know about. Call (252) 675-6980 and we can assess your specific exposure.
In many cases, yes. The town’s design review applies to much of the downtown historic district, and replacement windows that change the appearance, material, or configuration typically need approval. Our team documents the existing conditions, prepares the submittal, and orders units that match the original character. We’ve done this enough times to know what the review board flags and what passes cleanly. The process adds lead time, not mystery.
Most custom units take 6 – 10 weeks from order to delivery, and that’s what sets the calendar. High-end window replacement in San Anselmo is driven by manufacturer lead times, especially for custom wood or fiberglass sizes from CWS or ES Windows. Installation for a typical full house takes 2 – 4 days once the windows arrive. We tell you the schedule in writing before we order, so there’s no surprise gap between “windows out” and “windows in.”
The direct fix is replacing single-pane windows with dual-pane units that have a warm-edge spacer and low-E coating. San Anselmo’s cool valley nights and morning fog make interior glass cold enough to condense moisture from indoor air. Once you stop the cold surface, you stop the condensation, and the wood frames stop taking on water. We also check drainage and sealing around the rough opening during the install.
The price is fixed in writing before we order any product. We measure, we spec the exact units, we confirm the scope, and then you get a line-item quote. If nothing changes on your end, that’s the number on the invoice when the job’s done. If the scope changes, you approve the revision before work continues. That’s the same policy whether we’re installing a single insert or a whole-house custom replacement, and it’s part of how Spencer Odell has structured our operation since 2009.
Written by Spencer Odell, Owner at Hale Windows & Doors, serving San Anselmo since 2009.










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