New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors San Francisco pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Fast, Reliable Window Replacement Across San Anselmo
Window replacement in San Anselmo comes with a specific set of challenges most Bay Area contractors never deal with. The town’s pre-1940 Craftsman bungalows and Spanish Colonial Revivals don’t accept standard off-the-shelf inserts cleanly, and the rain shadow microclimate means years of UV exposure have done real work on original wood frames. Our crews know this because we’ve measured, milled, and installed custom window solutions across the Seminary, Sleepy Hollow, and downtown historic districts. If you’re weighing window replacement in San Anselmo and want a straight answer on cost, schedule, and what’s actually required for your home’s era of construction, call (831) 273-7126 for a free written estimate.
Why Meridian Windows and Doors San Francisco Is San Anselmo’s Preferred Window Replacement Company
Meridian Windows & Doors operates inside the Garrison Partners network, held to The Garrison Standard on every job since 2009. That means the crew arriving at your San Anselmo home is background-checked, uniformed, and works from a written scope of work with the price fixed before any material gets ordered. We don’t bid low and add change orders at the door. The number on the estimate is the number on the invoice.
San Anselmo homeowners call us because we’re willing to do the slower, more exacting work that historic homes demand. That includes custom jamb extensions, sash replication, and matching profiles on homes where every opening has settled at a different rate. Elliot Vance leads the team with a simple operating rule: if a standard product won’t fit your home properly, we don’t force it. We spec the product that fits the opening, the era, and the budget. Our workmanship is backed in writing by the 365-Day Done Right Promise. If the installation fails within that year, we return at no charge. Free second visit included.
Window Pane Replacement in San Anselmo
Window pane replacement in San Anselmo typically runs $280 – $650 per pane installed for standard insulated glass units, and $400 – $900 when the pane requires lamination, custom sizing, or work on double-hung sashes that no longer sit square. The first thing we do is measure the actual glass bed rather than assume a standard size; San Anselmo’s settled frames frequently mean the pane that’s in there is no longer the pane that left the factory eight decades ago. Replacing just the glass instead of the full sash often makes sense when the wood frame is still sound but the seal has failed or the pane is cracked from thermal stress.
Full Frame Replacement
Full frame replacement means removing the entire window down to the rough opening and installing a new unit, casing, and trim. In San Anselmo, this route is common on 1920s-1940s homes where the sill has rotted from decades of winter rain hitting unprotected wood. We typically see full frame work run $900 – $1,800 per window, with the upper end reserved for custom millwork and matching trims. We frequently use ViewLux and PGT units on these jobs because their frame depths and profiles adapt well to original opening sizes.
Insert Window Replacement
Insert replacement leaves the original frame in place and fits a new window unit into the existing jamb. This works well on San Anselmo homes where the frame is structurally fine but the sashes, weights, and glazing have failed. Insert work usually runs $700 – $1,400 per window installed. The catch in San Anselmo is that many frames have shifted; if the reveal is off by more than three-eighths of an inch, a straight insert will need custom shimming that looks sloppy and breaks the historic lines. We’ll tell you honestly whether an insert or full frame replacement is the better call for your specific openings.
Window Seal Repair in San Anselmo
Window seal repair in San Anselmo most often means replacing the insulated glass unit when the desiccant seal between the dual panes has failed, leaving fog, condensation, or mineral staining trapped inside. On San Anselmo homes, this is the single most common issue we see on 1980s-2000s dual-pane windows that have sat through two decades of UV exposure from the Mount Tamalpais rain shadow. The fix costs $250 – $550 per pane when the frame is reusable, and more when the frame itself has dry-rotted and needs rebuilding. Seal repair is a pane-level fix, not a full window replacement, and it’s the right move when the frame is square and solid.
Low-E Glass Upgrades
When a seal has failed, many San Anselmo homeowners upgrade to low-E glass at the same time. Low-E is a thin reflective coating that blocks heat transfer and UV while letting visible light through, which is a meaningful improvement on the sun-exposed western and southern elevations. The added cost for low-E glass during a seal repair typically runs $60 – $120 per pane. On a seminary-era Craftsman with original wavy glass, you don’t want to replace the entire sash with flat modern glass; low-E applied to a rebuilt sash using the original glass is a much better aesthetic and functional outcome.
Fogged or Condensation-Prone Units
Persistent fog between panes means the gas fill and desiccant have failed. It won’t dry on its own. The fix is a new insulated glass unit, and if your home has settled, that unit should be measured and fabricated to the actual opening, not the original spec. In neighborhoods like Sleepy Hollow and the flats around Red Hill, we see older homes with dual-pane retrofit windows that were never properly flashed; water has worked its way behind the nailing flange and into the jamb, which eventually causes the seal to fail. Addressing that root cause is what keeps you from paying for the same repair twice.
Trusted Brands We Service in San Anselmo
Meridian Windows & Doors carries eight manufacturer lines, from impact-rated PGT units for homes on exposed slopes to Therma-Tru door systems for formal entries in the Spanish Colonial tradition. For San Anselmo’s older homes, we most often spec PGT and ViewLux products because their profiles and performance glass offer the best match for original window proportions. Our crew keeps commonly needed parts and stock units moving quickly for San Anselmo jobs, so we don’t ask you to wait weeks on basic materials. When the job requires custom millwork or specialized glass, we order it the week your quote is approved and build the schedule backward from the manufacturer’s lead time, not the other way around.
Common Window Replacement Problems We See in San Anselmo Homes
- Settled openings on pre-1940 homes. Every frame in an original Craftsman has moved slightly over nine decades, which means standard retrofits leave uneven reveals that need visible shims. We measure every jamb individually and mill custom extensions to match, so the finished window looks like it grew there.
- UV-damaged wood frames. San Anselmo’s rain shadow means more direct sun than Mill Valley or Larkspur, and unpainted or poorly sealed wood frames dry out, crack, and start to sag at the sash joints. We replace failed wood rather than caulk over it.
- Failing aluminum sliders from the 1960s-70s. The hillside homes built in that era often had single-pane aluminum sliders that leak air and stick over time. Our replacement approach preserves the mid-century sightlines with modern energy-rated frames and clean jamb lines.
- Fogged dual-pane glass from failed seals. The dry, hot summers push sealant to its limit. Once the desiccant saturates, the unit fogs permanently and needs a new insulated glass unit; this is a repair we do weekly across San Anselmo.
Pricing for Window Replacement in San Anselmo, CA
Here’s what window replacement in San Anselmo actually costs in the current market. A standard insert window replacement runs $700 – $1,400 per window installed. Full frame replacement with custom trim work runs $900 – $1,800 per window. Pane replacement alone is $280 – $650. Seal repair runs $250 – $550 per pane. The factors that move your price: the era of your home, how much the frames have settled, glass type, and whether we’re milling custom jamb extensions or installing a stock insert. Our price goes on paper before any work starts. It doesn’t move at the door. Call (831) 273-7126 for a free written estimate on your San Anselmo home.
We Also Serve Cities Near San Anselmo
Our crews serve San Anselmo directly and regularly work in San Rafael, Larkspur, Richmond, and San Pablo. If you’re just outside San Anselmo and aren’t sure whether we cover your neighborhood, call (831) 273-7126 and ask. We cover the San Anselmo area daily, and the teams that handle our Window Replacement work in the wider North Bay are the same crews doing the historic-matching millwork you see here.
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
In San Anselmo, if your home falls under the town’s historic preservation guidelines, replacing windows on a pre-1940 Craftsman may require design review or a permit depending on the scope. On properties in the Seminary neighborhood and other designated historic areas, we coordinate with the town and your architect before ordering anything. For standard replacements on non-historic homes, simple insert work often doesn’t require a permit, but any structural change to the opening or full frame replacement generally does. We’ll tell you which path applies to your property and we’ll pull the permits for you when they’re required. Call (831) 273-7126 for a straight answer and a free estimate.
Yes. We’ve done exactly this in the Seminary neighborhood: original double-hung windows with wavy glass, rebuilt into sashes fitted with an insulated glass unit and a laminated interlayer, preserving the original glass as the visible surface. This gives you the vintage look while cutting UV damage and seal-failure risk. It’s not a stock part, and it’s not cheap; expect this kind of rebuild to run $1,200 – $2,200 per window depending on sash count and whether we’re replicating divided lights. The lead time is driven by the glass fabrication schedule, not our crew’s workload. Call (831) 273-7126 with photos of your current windows and we’ll give you a precise written price.
Because lead times on custom millwork and specialty glass set the schedule, not labor. A standard insert in a newer San Rafael tract home goes in fast. But a 1920s bungalow in San Anselmo with settled frames needs custom jamb extensions, matched profiles, and often glass that’s fabricated to a specific thickness and lamination. That material can take six to twelve weeks depending on the manufacturer. We plan the schedule backward from the glass and millwork lead times so we’re not pulling windows out and leaving openings exposed. The price is fixed before ordering, so the timeline doesn’t become a tool to inflate the budget. Call (831) 273-7126 and we’ll walk you through a realistic schedule for your home.
We replace them with modern energy-rated units that keep a clean, narrow frame profile, preserving the elongated horizontal sightlines of the mid-century design. For 1960s-70s hillside homes around Red Hill, the fix is usually a full frame replacement with new low-E glass, not a patch job. Expect $800 – $1,700 per opening depending on size and accessibility. We carry ViewLux and PGT products that fit that aesthetic well without adding bulky frame lines. The estimate is free and the price goes on paper before ordering. Call (831) 273-7126.
It means we give you a written, line-item price for the full scope of work, including materials, labor, and any permit or disposal costs, before any glass or millwork is ordered. That number does not change at the door. If hidden conditions show up, we discuss them with you before proceeding and we don’t start work until you approve a written adjustment. No verbal upsells, no surprise labor line items. That’s the Garrison Standard on every Meridian job in San Anselmo, backed by the 365-Day Done Right Promise. Call (831) 273-7126 to schedule your free written estimate.
Written by Elliot Vance, Owner at Meridian Windows and Doors San Francisco, serving San Anselmo with window replacement and installation.
Six Reasons Homeowners Choose Meridian Windows and Doors San Francisco
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.