Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Sausalito
Our Window Replacement in Sausalito typically runs between $850 and $2,400 per opening, depending on the frame material, glass package, and what our crew finds when the old unit comes out. Most single-window replacements are done in one day. What makes Sausalito different from every other Marin city is the salt air and the hills, and we plan for both before the first screw comes out. If you’re calling from a cottage near Caledonia Street or a hillside home above Bridgeway, call (888) 635-0804 and a live person will answer, not a phone tree. We’ve been doing this work long enough to know that a Sausalito window is never just a window.
Why TruePane Windows & Doors Is Sausalito’s Preferred Window Installation Company
Dale Kessler founded TruePane in 2008 on a rule that still sits on the whiteboard: if the pane is not true, the job is not done. That standard matters more in Sausalito than almost anywhere else we work. The marine moisture that rolls through the Golden Gate and settles over Richardson Bay works on window frames and seals year-round. A window installed with the wrong flashing or a bare aluminum frame in this environment will start binding or fogging within a few seasons. We specify corrosion-resistant frames and marine-grade hardware as the baseline here, not as an upgrade.
Sausalito homeowners who have lived in their houses for twenty or thirty years tend to know exactly what a failed window costs in comfort and in repair calls. They’ve dealt with fogged glass, sashes that stick in July, and hardware that pits and locks up from salt exposure. TruePane’s Window Installation team works across all of 94965, from the flats near the ferry landing to the steep lots off Sausalito Boulevard and the floating homes at Waldo Point Harbor. We arrive in uniform, measure every opening twice, and quote manufacturer lines side by side on paper so you can see exactly what you’re buying. Both manufacturer warranty layers get registered in writing before the truck leaves your driveway. That’s The Keystone Standard, and it applies to every job we do in Sausalito.
Our Window Installation Services in Sausalito
We install, replace, and service every window type common to Sausalito’s housing stock, from Victorian-era cottages near downtown to mid-century hillside residences with large view glass and the floating homes along the waterfront. Here’s how the most common requests work in this specific market.
Fixed & Picture Windows
Large fixed picture windows are the defining feature of Sausalito hillside homes, oriented toward the bay and the San Francisco skyline. They’re also the first place IGU seals fail in this climate. A replacement picture window in Sausalito typically runs $1,100 to $2,800 installed, depending on size, glass package, and whether the frame is fiberglass, aluminum-clad wood, or marine-spec aluminum. We reglaze with Energy-Efficient Windows - Sausalito using low-E, argon-filled units and flash the perimeter so that daily fog and salt spray can’t find a path behind the frame.

Casement Windows
Casement windows give Sausalito homeowners the widest possible opening for bay breezes, and they seal tighter than double hung units, which matters when the wind carries salt moisture against the frame. A standard casement replacement in Sausalito runs $900 to $2,200 per unit. We specify stainless steel hinges and locking hardware on any casement facing the water, because standard hardware in this environment will pit and bind within a few years.

Sliding Windows
Sliding windows are common in the smaller cottages and mid-century homes where wall space is limited. In Sausalito, the rollers and tracks are the failure point, not the glass. Salt corrosion seizes standard roller assemblies and makes the sash feel like it’s welded shut. A sliding window replacement here runs $850 to $2,000, and we use stainless or polymer rollers that hold up to the marine air.

Single & Double Hung
Double hung windows are the traditional choice for Sausalito’s Victorian and Craftsman-era homes, where sightlines and proportion matter. A single or double hung replacement runs $800 to $1,900 in this market. On older homes with settling issues, we check the rough opening for square before ordering the unit, because forcing a new sash into a racked frame guarantees binding down the road.

What happens when you call
- 1
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 Sausalito
TruePane is an authorized installer for more than a dozen manufacturer lines, including. For Sausalito’s marine exposure, we frequently recommend Marvin aluminum-clad units, Impact Windows & Doors - Sausalito rated frames, and ES Windows when the homeowner wants a European tilt-and-turn profile that seals exceptionally tight against salt air. We stock replacement hardware and common IGU sizes for the brands we service, which means a Sausalito repair doesn’t have to wait on a factory shipment from the Midwest. You’ll get side-by-side quotes on paper, not a single branded pitch.
Common Window Installation Problems We See in Sausalito Homes
- IGU seal failure from marine fog. The daily fog that funnels through the Golden Gate and across Richardson Bay deposits salt-laden moisture on window seals year-round. Dual-pane units that would last twenty years in San Rafael will show fog between the panes in eight to twelve years here. We replace the IGU or the full sash and explain why the failure happened so you can spec the next window accordingly.
- Salt-air corrosion on frames and hardware. Bare aluminum frames pit, steel hinge hardware rusts, and sash locks seize. On waterfront-facing elevations, we recommend anodized aluminum, aluminum-clad wood, or fiberglass frames with stainless hardware from the start. It costs more upfront and less than the second replacement.
- Floating home movement cracks rigid installations. On Waldo Point Harbor, windows installed like a normal land home fail within a few years because the structure flexes with tides and boat wakes. Fixed picture units crack seals; sashes bind. We leave deliberate expansion clearances and use flexible flashing membranes that a land-only installer would call overkill. On a floating home, it’s the only way the window survives.
- Hillside settling throws rough openings out of square. The steep lots above Bridgeway and Sausalito Boulevard settle over decades, and window openings shift with them. A new window forced into a racked opening will bind, leak, or break glass within a season or two. We measure, check for square, and reframe the opening before installation when it’s needed. That’s part of the job, not an upcharge sprung on you later.
Pricing for Window Installation in Sausalito, CA
Here’s what Sausalito homeowners can expect to pay for the most common window installations, including labor, materials, flashing, and disposal of the old unit.
- Single or double hung replacement: $800 - $1,900 per window
- Casement window replacement: $900 - $2,200 per window
- Sliding window replacement: $850 - $2,000 per window
- Fixed picture window replacement: $1,100 - $2,800 per window
- Full-frame replacement on a hillside home with reframing: $2,400 - $4,500 per opening
- Floating home window work at Waldo Point Harbor: $1,500 - $3,800 per opening, depending on access and the flex-tolerant flashing system required
What moves the number: whether the existing frame is sound or needs full replacement, whether the opening is square, what glass package the elevation calls for, and whether marine-grade hardware is needed on the water-facing side. We write allowances into the contract for the known unknowns on older Sausalito homes. If something surfaces that we didn’t anticipate, we price it in writing and get your approval before we touch it. No change orders with surprise line items. Call (888) 635-0804 for a free, written estimate.
We Also Serve Cities Near Sausalito
TruePane serves Sausalito and the surrounding Marin communities from our Bay Area office. If you’re in Mill Valley, Corte Madera, Larkspur, or Kentfield, our installation crews cover those areas regularly. Each town has its own microclimate and housing quirks, and our experience across the county means we arrive knowing what to look for. Call (888) 635-0804 to schedule a free estimate in Window Installation in Sausalito or any neighboring community.
Serving Sausalito, CA - Our Local Coverage Area
We’re based in the Sausalito 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 - Window Installation in Sausalito
Sausalito sits directly in the path of salt-laden marine fog that funnels through the Golden Gate and settles over Richardson Bay, bathing window seals in corrosive moisture almost daily. Mill Valley and San Rafael sit further from the bay’s direct salt exposure, which is why identical window models lose their IGU seals years earlier here. We spec corrosion-resistant frames and marine-grade hardware on any Sausalito elevation that faces the water. Call (888) 635-0804 and we’ll walk you through the right specification for your home’s exposure.
Floating homes on Waldo Point Harbor move constantly with tides and boat wakes, and a rigid installation will crack seals or bind sashes within a few years. We use flexible flashing membranes, leave deliberate expansion clearances around the frame, and select hardware that tolerates micro-movement. This is not a technique you’ll find on a standard land-home installation anywhere else in Marin, and most of our floating-home work involves fixing windows that were originally installed by contractors who didn’t know the difference. For an exact assessment of your floating home, call (888) 635-0804.
When a window opens up wall cavities in an older Sausalito home, the city’s building department typically requires safety glazing where needed, egress compliance in bedrooms, and, on many hillside homes, additional structural anchoring or shear documentation. On homes where the framing was damaged by decades of slope settling, the permit process may also require reframing the opening before the new unit goes in. TruePane handles permits, inspections, and any required structural work as part of the written estimate. Call (888) 635-0804 for a scope review.
Yes. Any window with direct exposure to Richardson Bay’s salt air and fog should have stainless steel hinges, locking hardware, and corrosion-resistant frame material. Standard steel hardware on a water-facing elevation will pit and bind within a few years, and you’ll be replacing hardware or the whole sash long before the glass fails. We build this into the specification on the first visit. Call (888) 635-0804 and we’ll tell you what your specific elevation needs.
Fog between the panes means the insulated glass unit’s seal has failed, and the salt-laden moisture from Richardson Bay and the Pacific has worked its way inside. Sausalito’s marine environment accelerates this failure compared to inland Marin, especially on large view windows that face the water and get hit with fog, salt spray, and sun in daily cycles. The fix is replacing the IGU or the full sash, depending on the frame condition. Call (888) 635-0804 for a free estimate and we’ll tell you which approach makes sense for your window.
How TruePane Handles the Surprises in Older Sausalito Homes
Opening up a wall in an older Sausalito home regularly turns up things the homeowner couldn’t see: undersized framing, failed waterproofing, outdated flashing, and wiring that’s no longer to code. This is the single biggest reason a window replacement quote moves once work starts, and it’s why we don’t quote blind. Our estimator inspects before we price. When a potential issue shows up, we write an allowance into the contract for the likely scope. If the actual condition exceeds that allowance, we stop, price the additional work in writing, and get your approval before we cut anything. You won’t get a change order surprise at the end of the job.
On a hillside mid-century home above Bridgeway, our crew pulled a failed fixed picture window and found the original rough opening had shifted nearly half an inch from decades of slope settling. We reframed the opening square, installed a Marvin aluminum-clad casement with low-E argon-filled glass, and flashed the perimeter with flexible flashing tape before trimming, so the new sash operates smoothly despite the ongoing hillside movement. That’s the difference between a window that works and a window that binds.
If the pane is not true, the job is not done. That’s the rule Dale Kessler has kept on the whiteboard since 2008, and it’s the standard we bring to every Sausalito job, from a Victorian cottage near Caledonia Street to a floating home at Waldo Point Harbor. Call (888) 635-0804 for your free estimate. A live person answers, 24 hours a day, seven days a week.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Sausalito and the Bay Area since 2008.



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