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CWS Construction in Sausalito, CA | San Mateo Construction
We provide independent CWS window, door, and patio system service across Sausalito, from repairs on existing units to full replacements and new construction installation. CWS products fail here in specific, predictable ways tied to salt fog, steep lots, and cantilevered decks, and that’s the knowledge we bring to every job. San Mateo Construction works on CWS units every week as an independent contractor, never as a manufacturer affiliate. Call (855) 901-7266 for a free estimate, and we’ll tell you straight whether a repair makes sense or a replacement does.
Why Sausalito Residents Choose Us for CWS Service
Our crews have spent years on Sausalito Home Remodeling projects with CWS windows, doors, and patio systems already in place. That matters because we’ve learned how these units actually fail in salt fog and on cantilevered decks, not how a manufacturer brochure says they should fail. Noel Carrington owns San Mateo Construction and grew up a few blocks from Coyote Point in San Mateo, helping his father pour concrete footings on weekends. He studied construction technology at Skyline College and has spent three decades running residential and light commercial jobs across San Mateo County. When Noel tells you a CWS door jamb is rotted past saving, it’s coming from someone who’s cut open enough wall cavities to know.
Sausalito homeowners get something most other markets never require: crews who understand staging on narrow hillside streets, marine-layer moisture cycles, and the realities of getting a full-size CWS unit onto a lot where a concrete truck can’t even park. We’re also our General Contractor in Sausalito, so if your CWS repair uncovers framing rot, we fix that too without you hiring another company. One contractor, every system.
Styles & brands we work with







Common CWS Construction Problems We Solve in Sausalito
- Salt-air pitting on aluminum-clad CWS sliders. West- and south-facing exposures on Sausalito hillsides take the brunt of marine-layer salt air. The aluminum cladding on CWS multi-slide and lift-slide patio doors pits and corrodes over time, and the corrosion seizes rollers and hinges so the panels won’t slide. We replace the hardware with OEM CWS parts where still available and re-lube tracks with marine-grade lubricant that holds up to salt spray.
- Weep-hole and sill-pan clogging that backs fog water into wall cavities. Wind-driven fog off Richardson Bay pushes moisture through clogged weep holes and failed sill pans on CWS vinyl sliders and single-hungs. By the time a homeowner sees water staining inside, the wall cavity has been wet for months. We clear the weep system, replace rotted sill flashing, and re-seal the rough opening so the unit drains the way it was designed to.
- Wood rot at the jamb and rough opening on CWS outswing French doors. This is the biggest one we see on cantilevered decks, especially on hillside homes where runoff funnels toward the threshold. The CWS aluminum-clad wood outswing French door keeps its exterior looking decent while the jamb and rough opening behind it quietly rot. We remove the door, cut out the rotted framing, and reset the unit with new sill pans and proper flashing.
- Failed glazing seals and fogged insulated glass on older CWS units. The constant marine-layer moisture cycle in Sausalito, especially in the 94965 ZIP, accelerates seal failure on older CWS windows. Fogged glass isn’t just cosmetic; it means the insulated unit has lost its thermal barrier. We reglaze with quality aftermarket glass when OEM CWS glazing is discontinued.
- CWS multi-slide patio door panels that jump their tracks on settled hillside framing. Sausalito homes on pier-and-post foundations shift with winter rains. When the framing moves, a heavy CWS multi-slide panel can bind or derail. We re-level the track, re-square the rough opening, and reset the rollers with the correct OEM hardware so the door operates without a fight.
CWS Service in Sausalito: What Local Conditions Mean for Your Equipment
On hillside streets like Prospect and Santa Rosa, a standard delivery truck often cannot reach the job. That single fact changes how CWS work gets done in Sausalito, and it’s something homeowners in flat Mill Valley or Corte Madera never think about. CWS window and door units have to be scheduled onto small mixer-sized trucks or lifted in by tram or helicopter before any framing starts. We sequence the delivery around the rest of the job so a new CWS slider never sits on a deck in the fog for three days waiting for installation. Then there’s the marine layer itself: west- and south-facing CWS units on Sausalito hillsides get hit with salt air and fog moisture almost year-round, which accelerates corrosion on hardware and rot at any unsealed opening. A CWS door that would last 20 years in Belvedere might need hardware replacement and jamb repair in 12 years here, not because the product is weak, but because the environment is relentless. Our repair plans account for that.
CWS Models & Products We Service in Sausalito
We work on CWS aluminum-clad wood outswing French doors, CWS vinyl single-hung and slider replacement windows, CWS multi-slide and lift-slide patio door systems, and the CWS Awaken series windows and doors. The parts side works like this: we match OEM CWS hardware, glazing, and weatherstripping where it is still available so rollers, hinges, and sills fit the existing frame correctly. When OEM parts are discontinued, we use quality aftermarket glass and sealants that are marine-rated for coastal conditions. As an independent contractor, we are not manufacturer-authorized and not bound to a factory repair script. Our CWS sales & service work is driven by what the field conditions in Sausalito actually demand, not by what a warranty flow chart says. If a CWS unit has rot in the frame or multiple failed seals, we give an honest repair-versus-replace call rather than patching a unit that will keep leaking.
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AfterCWS Service Pricing in Sausalito
What you’ll pay depends on whether we’re repairing an existing CWS unit or replacing it, and on access to your hillside lot. Here are the ranges we quote across Sausalito:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition (with CWS window and door packages) | $45,000 – $130,000 |
A simple CWS slider hardware replacement runs toward the low end of the window range. A full home addition with CWS multi-slide door packages and impact windows on a steep lot in the 94966 ZIP runs toward the high end. A free estimate from us includes an access assessment, a parts availability check, and a written line-item quote we stand behind. Call (855) 901-7266 and we’ll walk the site before we price anything.
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 – CWS Construction in Sausalito
Yes, but it requires planning ahead. On narrow, winding streets like Prospect and Santa Rosa, full-size flatbeds cannot make the turn or park safely, so we schedule CWS units onto small mixer-sized trucks or arrange a tram or helicopter lift depending on the lot. We coordinate the delivery with the block so neighbors get early notice and the city permit requirement for road staging is met. Call (855) 901-7266 and we’ll tell you exactly how delivery will work for your address before any money changes hands.
In Sausalito, the usual cause is salt-air corrosion on the rollers and hinges, especially on west- and south-facing exposures where marine-layer fog sits on the hardware daily. The aluminum tracks and steel rollers corrode, and the panel drags. We replace the rollers with OEM CWS hardware where available, clean and re-lube the track, and check that the frame hasn’t shifted out of square from hillside settling.
It does. Marine-layer fog and salt air accelerate wood rot, rust, and seal failure on west- and south-facing exposures in Sausalito. On older CWS units, the glazing seals are typically the first thing to go, followed by hardware corrosion on sliders. Units that would last decades in a dry inland climate need earlier intervention here. The good news is that regular hardware maintenance and re-sealing extend the life of a CWS unit significantly, and that’s work we do before failure turns into water damage.
Yes. We run home additions as a general contractor, which means the framing, flashing, waterproofing, and CWS door installation are all under one contract and one accountable team. On a steep Sausalito lot, the critical part is the rough opening and threshold flashing, because cantilevered decks funnel runoff toward the door. We cut the opening, re-frame to spec, and install the CWS unit with new sill pans and re-flashed deck thresholds so runoff drains away from the wall. Call (855) 901-7266 for a free estimate that includes the access plan.
It depends on how far the rot has spread into the rough opening and whether the CWS frame itself is compromised. If the rot is contained to the jamb and rough framing, repair makes sense: we remove the door, cut out the rotted wood, rebuild the opening, and reset the same unit with new sill pans and stainless hardware. If the CWS frame has rot in multiple places or the glazing seals have failed on several panels, replacing the unit is usually the better long-term call. We’ll give you an honest answer either way, with numbers to back it up.
Service Areas Near Sausalito
We serve Sausalito service area including Waldo Point Harbor, the floating-home communities, and every hillside street in between. For homeowners just across the water, see our CWS service in Tiburon and CWS service in Belvedere pages. We also work regularly in Mill Valley, Corte Madera, and Larkspur.
Book Your CWS Service in Sausalito Today
Tell me what you actually need, and we’ll figure out the right way to build it. Call (855) 901-7266 for a free estimate. We’ll come out, assess your CWS units, check access, and give you a written quote with no obligation.
Written by Noel Carrington, Owner at San Mateo Construction, serving Sausalito and San Mateo County.