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 Larkspur
Window replacement in Larkspur runs $850 – $2,400 per opening for most single-window projects, with full-frame replacements on hillside homes typically landing between $1,400 and $3,200 installed. The final number depends on what we find when we pull the old sash: how far the rough opening has shifted, whether the existing flashing is marine-grade or builder-basic, and whether the homeowner wants standard insulated glass or impact-rated units for wildfire season. We serve every Larkspur neighborhood, from the flats near Magnolia Avenue up to the oak-covered lots off Baltimore Park and Meadowood, and we answer the phone at (831) 273-7126 with a live person, every time. Elliot Vance leads our Larkspur crews, and he insists on one rule: the written price goes on paper before a single screw turns.
Why Meridian Windows and Doors San Francisco Is Larkspur’s Preferred Window Replacement Company
Most Larkspur homeowners who call us have already been through one bad contractor experience. Maybe a crew no-showed for a hillside install. Maybe a bid said $900 and the final invoice said $1,800. Maybe the caulk looked fine from the curb but leaked by February. We built Meridian Windows and Doors to be the opposite of that. Every job gets a written, line-item price before work starts. Every installation carries a 365-Day Done Right Promise in writing: if the window fails, leaks, or fogs between the panes within a full year, our crew returns at no charge. No fine print about labor exclusions. No phone tag.
We are part of the Garrison Partners family, held to The Garrison Standard since 2009. That means our technicians are background-checked, uniformed, and trained to treat a Larkspur home like it belongs to their own grandmother. When a crew arrives at a 1950s rancher near the Larkspur Creek or a 1970s contemporary up in Hillview, the homeowner knows exactly who is walking through the door. Calls are answered by a live person 24/7, not a voicemail loop.
Window Repair in Larkspur
Window Repair in Larkspur usually means one of three things: broken sash cords in old wood double-hungs, corroded hardware on aluminum sliders, or failed seals in insulated glass units. Larkspur’s coastal moisture is brutal on window hardware. We see double-hung sashes with sash cords snapped by years of fog and rain, binding in their jambs until the window will not open at all. That is not just an inconvenience during summer heat; it is a genuine safety issue when an egress window will not open during wildfire season.
Most window repairs in Larkspur run $180 – $650 per window, depending on whether we are replacing a balance, refurbishing the jamb, or swapping in a new insulated glass unit. A full sash replacement on a Craftsman-era window typically lands around $400 – $900. The 365-Day Done Right Promise covers every repair the same as a full install.
Sash Cord and Balance Replacement
Old wood windows in Larkspur’s early-1900s Craftsman bungalows use weight-and-pulley systems that fail after decades of absorbing coastal moisture. We replace broken sash cords with modern spring balances, re-weight the sash, and ease the jambs so the window operates with one hand. If the wood has rotted around the pulley, we sister in new stock before the cord goes back in.
Insulated Glass Unit Replacement
Fogged glass means the seal between the panes has failed. Larkspur’s temperature swings from cold fog mornings to hot August afternoons stress those seals hard. We measure the existing sash, order a matching insulated glass unit, and install it without tearing out the frame. This is the cheapest way to clear up fogged glass, and it preserves the original look of a historic window.
Window Replacement Company in Larkspur
Window Replacement Company work in Larkspur is different from flatland Marin in one way that matters more than any other: the hills move. Larkspur’s steep, oak-covered hillsides and heavy winter rains create persistent soil creep, which shifts door and window rough openings over time. Unlike San Rafael or San Anselmo, where square framing stays square, a Larkspur rough opening can migrate nearly a quarter inch out of square over a couple of decades. A replacement window that is simply swapped into that opening will bind, leak, or fail early. Our crews re-square the jamb with pressure-treated shims before a new window ever goes in.
Full-frame window replacement in Larkspur typically runs $1,400 – $3,200 per opening. Insert replacements, where we leave the existing frame and set a new window inside it, run $850 – $1,800. The coastal-spec version costs more up front for a reason: marine-grade flashing, stainless fasteners, and impact-rated glass all add cost, but they are the difference between a window that lasts 15 years and one that fails in six.
Full Frame vs. Insert Replacement
Full frame means we pull everything down to the rough opening, fix the framing and flashing, and set a new window with new jamb extensions and trim. It is the right call on Larkspur hillside lots where soil creep has left the opening out of square. Insert replacement leaves the existing frame, which works when the frame is solid and square, but it will not fix underlying structural problems.
Hillside Squaring and Threshold Work
On a slopeside lot, a new window is only as good as the framing around it. We check the rough opening with a level before any work starts. If it has shifted, we shim and re-square it. When a hillside door has sagged with the same soil creep, we install adjustable thresholds so the door actually seals against driving rain. This is the difference between a long-term fix and a ten-year headache.
Trusted Brands We Service in Larkspur
We specify windows from eight manufacturer lines, and for Larkspur’s salt air and fog, we lean on three most often: PGT for impact-rated casements that handle wildfire season and coastal storms, Therma-Tru for entry doors with adjustable thresholds that keep hillside doors sealing tight, and ECO Window Systems for energy-efficient vinyl replacements that hold up against moisture without corroding. We stock the common parts and replacement hardware for these brands locally, so a Larkspur repair does not sit waiting on a freight shipment. When a fog season hits and a seal fails, we can usually have the replacement glass ordered within 24 hours and installed the same week.
Common Window Replacement Problems We See in Larkspur Homes
- Broken sash cords on old wood double-hungs. Decades of Larkspur fog and coastal moisture weaken the cords until they snap. The sash binds in the jamb, and on an egress window, that turns into a real safety problem during wildfire season.
- Corroded zinc-plated hardware on inland-spec frames. Cheap windows installed with builder-grade fasteners corrode at the jamb within a few fog seasons. Air and water start getting in, and the window is done long before its time.
- Fogged insulated glass from failed seals. Larkspur’s cold fog mornings followed by hot summer afternoons flex the glass and stress the seal. Once moisture gets between the panes, the only fix is a new insulated glass unit.
- Hillside doors and windows that shift out of square. Soil creep on steep, oak-covered lots moves rough openings over time. A window or door that is not re-squared during installation will bind, leak, and fail early.
Pricing for Window Replacement in Larkspur, CA
Here is the honest breakdown for Larkspur’s market. Insert window replacements run $850 – $1,800 per opening. Full-frame replacements run $1,400 – $3,200 per opening. Window repairs land between $180 and $650, with a full sash replacement on a Craftsman-era window around $400 – $900. The coastal-spec version costs more than the inland-spec version, and the gap is real: marine-grade flashing, stainless fasteners, and impact-rated glass add roughly 15 – 25% to material cost. The cheap spec fails within a decade. We would rather sell you the window that lasts. Every estimate is free, and the written price does not move at the door. Call (831) 273-7126 to schedule yours.
We Also Serve Cities Near Larkspur
Our Window Replacement team covers Larkspur and the surrounding Marin and East Bay communities, including San Rafael, San Anselmo, Richmond, and San Pablo. If you live in any of these cities and need a written price before work begins, call us at (831) 273-7126. We schedule from our Bay Area office and run crews in Larkspur daily. Read more about our local coverage on our Window Replacement in Larkspur page.
Serving Larkspur, CA - Our Local Coverage Area
We’re based in the Larkspur 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 Larkspur
Larkspur’s steep, oak-covered hillsides and heavy winter rains create soil creep that shifts rough openings out of square over time, so replacement windows here often need the jambs re-squared with pressure-treated shims before the new unit goes in. Flatland Marin towns like San Rafael do not have this problem to the same degree. The fix adds a modest labor cost per window, usually in the $80 – $150 range, but skipping it means the new window will bind and leak. Call (831) 273-7126 and we will tell you exactly what your framing needs.
Larkspur sits at the base of Mount Tamalpais, and the daily fog-to-sun cycle flexes insulated glass units harder than San Rafael’s more moderate exposure, which causes seals to fail faster. Once the seal fails, moisture gets between the panes and the only fix is a new insulated glass unit. That repair runs $180 – $450 per window in Larkspur, depending on sash size and glass type. Estimates are free, and the repair is covered by our 365-Day Done Right Promise.
In most cases, yes. We can install impact-rated insulated glass units into original wood Craftsman frames, provided the frames are structurally sound and the jambs have not rotted from decades of Larkspur moisture. This preserves the historic look while meeting modern wildfire safety and energy standards. The cost runs $600 – $1,200 per window depending on size and glass rating. Call (831) 273-7126 for an exact quote after we see the frames.
Fiberglass and high-quality vinyl hold up best in Larkspur’s coastal climate because they do not corrode like aluminum and do not rot like wood. We specify ECO Window Systems vinyl for energy-efficient replacements and PGT aluminum impact casements with marine-grade finishes where a stronger frame is required for hillside wind uplift and wildfire exposure. Wood windows can work on interior-facing walls, but every exterior wood frame in Larkspur needs marine-grade flashing and stainless hardware to last.
Larkspur’s hillside lots fall under Marin County’s wildland-urban interface building codes, which require impact-rated or tempered glazing on windows facing wildfire exposure in many locations. The exact requirement depends on your lot’s fire severity zone and proximity to oak woodland. We work with Larkspur’s building department on every permitted job and can confirm whether your replacement qualifies for the impact-rated spec before we write the price. Call (831) 273-7126 and we will check your address.
Call Meridian Windows and Doors for Larkspur Window Replacement
A meridian is a fixed line you measure everything against. That is what the name means and how we run every Larkspur install. We show up when we say we will, the written price does not move, and the work is guaranteed in writing for 365 days. Elliot Vance and our Larkspur crews handle everything from a single fogged sash to a full hillside replacement. Call (831) 273-7126 to schedule your free estimate, or ask for a written line-item quote before you decide anything. No pressure. Just the straight story and a price on paper.
Written by Elliot Vance, Owner at Meridian Windows and Doors, serving Larkspur since launching the Bay Area office in 2009.
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.