Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Sliding glass doors
Impact garage doorsPGTCGI
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AfterFast, Reliable Impact Windows & Doors Across Larkspur
Impact windows and doors in Larkspur, CA typically run $1,400-$3,200 per opening installed, depending on the product line, frame material, and whether the home sits in a Wildland-Urban Interface fire zone. Most Larkspur jobs take two to four days once materials arrive, and TruePane Windows & Doors has crews working in the 94939 zip code every week. We know the canyon damp, the WUI code triggers, and the historic-review process off Magnolia Avenue, because our glaziers see it all year. If you are pricing impact windows or doors in Larkspur, call (888) 635-0804 and we will give you a written, line-item quote with no surprises on the bill.
Why TruePane Windows & Doors Is Larkspur’s Preferred Impact Windows & Doors Company
We have been in and out of Larkspur long enough to know that no two houses here behave the same way. A 1920s Craftsman bungalow along Magnolia Avenue needs different trim work than a 1970s hillside house above Escalle, and a Baltimore Canyon cabin has rot patterns that a flatland home in Kentfield simply does not get. Our Impact Windows & Doors team measures every opening twice, quotes manufacturer lines side by side on paper, and registers both warranty layers before the truck leaves your driveway.
Larkspur homeowners consistently tell us the same thing: they want a company that will still answer the phone in five years. That is how we operate. Over years in the trade, Dale Kessler has built this company around a simple rule: if the pane is not true, the job is not done. Every install is backed by the Done Right Promise, and we hire local apprentices and train them into journeymen because we plan to be working in Larkspur thirty years from now. A live person answers our phone 24 hours a day, seven days a week. Not a voicemail tree. Not a callback form.
Our Impact Windows & Doors Services in Larkspur
Hurricane Impact Windows
We install impact-rated windows for homes throughout Larkspur, from the flats near the Corte Madera Creek up to the WUI-designated hillside streets above downtown. This is not a one-product conversation. We walk you through CGI, CWS, and ES Windows lines, explain the difference in design pressure ratings, and show you glass samples before you sign anything. For Larkspur specifically, we pay attention to how the marine fog sits on north-facing elevations, because that affects which low-E coating and SHGC makes sense for your glass pack.
Impact Sliding Glass Doors
Impact sliders get a lot of use in Larkspur, especially on homes with creekside or canyon-facing rear elevations. We size the track, the interlock, and the rollers for the specific exposure. A slider on a shaded Baltimore Canyon wall faces different moisture loading than one that gets afternoon sun off a Madrone Avenue deck, and the seal package should reflect that. We measure twice, always.
Impact Entry & French Doors
Larkspur is full of original Victorian cottages and Craftsman bungalows with entries that have settled over decades. A pre-hung impact entry door often will not sit square in those openings without real carpentry first. Our crew does the framing correction, then installs the door so it swings true and locks clean in July and January alike. For French door replacements, we match jamb depth to the existing wall assembly and flash the threshold properly against canyon-driven rain.
Impact Garage Doors
Garage doors are the largest opening on most Larkspur homes, and they are the first point of failure in a wind event. We brace the opening, set the tracks on a true plane, and install impact-rated panels that meet current wind-load codes for the 94939 area. If your garage sits under living space, we also check the fire separation at the header before we button everything back up.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Larkspur
We are an authorized installer for more than a dozen manufacturer lines, and for Larkspur homes we commonly quote CGI, CWS, and ECO Window Systems. We stock gaskets, rollers, and keep common Larkspur replacement parts in our Bay Area warehouse, so we are not waiting on a regional distributor when a canyon house needs a faster turnaround. You will see both warranty layers registered in writing before we leave the job, with the durations stated plainly on the paperwork. That is The Keystone Standard, and it applies to every opening we touch.
Common Impact Windows & Doors Problems We See in Larkspur Homes
- Baltimore Canyon rot that hides behind a simple sash swap. The redwood canopy blocks sun so completely that exterior wood frames stay wet for days after any storm. We pull a rotted window expecting a quick replacement and frequently find the king studs and rough sill plate punky and soft, which means framing repair before any glass goes in.
- Early seal failure from repeated fog cycles. Marine fog funnels through the Corte Madera Creek valley and keeps north-facing hillside homes damp well into summer mornings. Older double-pane units fog between the glass because the seals fail from constant condensation cycles, and once that seal goes, the impact rating means nothing.
- WUI code triggers that stall permits. Hillside neighborhoods above downtown sit inside California’s Wildland-Urban Interface fire hazard designation. Impact windows here need specific SHGC ratings and non-combustible frame materials, and using standard impact glass can fail plan check and push your permit out weeks.
- Historic streetscape trim requirements along Magnolia Avenue. Original Craftsman bungalows and Victorian cottages often require custom sizing and trim profiles that match the original. A stock window with a vinyl flange looks wrong, and in some cases the town’s review process will not allow it.
Pricing for Impact Windows & Doors in Larkspur, CA
A typical impact window replacement in Larkspur runs $1,400-$2,800 per opening for standard sizes in aluminum or vinyl frames. Impact sliding glass doors run $4,500-$9,000 depending on width and glass package, and impact entry doors start around $3,200 for a pre-hung unit, with French door pairs running $6,000-$12,000 when framing correction is needed. Baltimore Canyon homes with hidden rot often add $800-$2,500 per opening for structural repair, because we do not set new glass over a soft sill plate. WUI-mandated fire-rated glazing and non-combustible frames typically add 10-18% to the unit cost. Call (888) 635-0804 for a written, fixed quote. Our estimates are free, and the price we quote is the price you pay.
We Also Serve Cities Near Larkspur
Our crews run along the 101 corridor and through the canyon roads daily, so we also cover Larkspur neighbors in Kentfield, Corte Madera, San Rafael, and Mill Valley. The same crew, the same warranty paperwork, and the same standard apply whether the house sits on a Magnolia Avenue lot or a hillside street in San Anselmo.
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 - Impact Windows & Doors in Larkspur
Yes. Homes in the Wildland-Urban Interface designation above downtown Larkspur must meet California fire-code requirements for impact-rated glazing with a specific SHGC and non-combustible frames, regardless of what you see from your deck. We pull the WUI map for your parcel before we quote, so the glass package we spec passes plan check the first time. Call (888) 635-0804 and we will confirm your property’s designation and the exact requirements.
The old-growth redwood canopy in Baltimore Canyon blocks direct sun so completely that exterior wood frames stay wet for days after a storm. That constant damp, combined with the creek valley humidity, rots sashes, sills, and the hidden structural members behind them faster than virtually anywhere else in Marin County. Our crews regularly find king studs and rough sill plates that need full replacement before impact windows can go in. Call (888) 635-0804 for a free inspection and a written quote that accounts for what is actually behind the trim.
We show up with a smaller work truck, stage materials on the driveway or a designated curb area with the homeowner’s permission, and coordinate with neighbors if a shared driveway is involved. For the tight lots off Magnolia where there is no street parking, we break the job into phases and haul out debris same day. Access constraints affect the quote, and we will walk the site with you before we price it. Call (888) 635-0804 to set up a site walk.
Possibly. Original Victorian and Craftsman homes along Magnolia Avenue and the surrounding streets can trigger historic streetscape review, which means custom trim profiles and specific frame colors instead of stock off-the-shelf units. We know the local process and we have matched original trim on dozens of Larkspur cottages. On one bungalow off Magnolia, our crew pulled a pair of swollen double-hung sashes expecting a straightforward impact window replacement, only to find the rough sill plate punky from decades of canyon damp. We rebuilt the opening with new framing and flashing tape before installing ViewLux fusion-welded impact windows with low-E glass and argon fill, then matched the original trim profile to keep the streetscape intact. Call (888) 635-0804 and we will tell you whether your home needs review before we quote.
Marine fog through the Corte Madera Creek valley means north-facing Larkspur hillside homes get far less direct sun than south-facing ones, so a lower SHGC makes sense to avoid losing heat you actually need. On a shaded canyon elevation, we typically spec a glass package that balances impact rating with a higher visible transmittance, so you are not sitting in a dark room. We calculate this per elevation, not per house. Call (888) 635-0804 for a free estimate and we will model the glass for your specific exposure.
Get Your Larkspur Impact Window or Door Priced Today
Call (888) 635-0804 and a live person will answer. We will schedule a free site walk, measure every opening, and hand you a written line-item quote with both warranty layers registered on paper. The Done Right Promise covers every job, and we will be there when we say we will. If the pane is not true, the job is not done.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Larkspur, CA and the surrounding Bay Area since 2008.