Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CWS Construction in Marin City, CA | Workshop Contractors
We provide independent CWS repair and construction service across Marin City, and one thing separates our work here from what you’ll get from a general CWS contractor: we understand what the fog does to cedar and fir on a steep, close-set hillside. Most CWS failures in Marin City happen at deck connections, window sills, and north-facing door frames because the marine layer keeps exterior wood damp for months at a time. If you own a Marinship-era home with CWS windows, siding, doors, or decking, call (844) 384-3361 and we’ll come out and tell you exactly what’s failing and why.
Why Marin City Residents Choose Us for CWS Service
We’ve spent years working on CWS wood products in Marin City specifically, which means we’ve seen the same failure patterns repeat across the original 1940s and 50s housing stock. We’re not guessing at what fog-belt moisture does to CWS window frames; we’ve pulled apart enough swollen sashes and rotted deck ledgers to know the sequence. Noel Figueroa runs our CWS work, and he came up through construction the old way. His grandfather built the family house in Pomona with his own hands, and Noel’s been working wood since he first picked up a framing hammer in Ontario. He carries that same standard into every CWS repair we take on in Marin City.
We’re a full-service general contractor, not a specialty subcontractor, which matters more than people expect. CWS exterior work here frequently requires structural repair behind the visible surface: a rotted deck ledger often means opening the wall to check the rim joist, and a swollen window frame sometimes points to failed flashing that has been quietly damaging the sheathing. We handle all of it under one contract. And we use OEM CWS parts for the components that matter structurally, because a sill or a door track that fits as designed is the only repair that lasts in Marin City’s persistent damp.
Our approach to CWS sales & service is built on knowing the product line well enough to tell you when a repair buys you five years and when replacement is the smarter spend.
That honesty is why homeowners across the Marin City service area call us back for the next job.
Styles & brands we work with







Common CWS Construction Problems We Solve in Marin City
- Swollen, sticking CWS wood windows and doors. The fog belt saturates the bottom rails and sills, especially on north-facing walls that never see direct sun. We remove the sash, re-plane or replace the affected rails, reseal the weather stripping, and address the flashing detail that let the moisture in. A sticking CWS window in Marin City is almost never just a paint problem.
- Rotted deck ledger boards and stair stringers. This is the most common CWS failure we find on hillside lots, where decks sit close to the ground and fog moisture collects underneath. The ledger pulls away from the house because the fasteners corrode or the rim joist behind it softens. We rebuild these connections with properly flashed, pressure-treated lumber and matched CWS decking.
- Blistering paint and substrate rot on CWS siding and trim. Marine-layer moisture lingers at butt joints and near-grade sections, where water wicks up from the soil line. You’ll see bubbled paint first, then soft wood underneath. We cut out the rot, replace with properly primed stock, and finish with breathable coatings that let the wood dry.
- Hidden water intrusion behind improperly flashed CWS sliding doors. This one catches Marin City homeowners off guard because the first sign is interior staining that shows up months after the actual leak. By the time you see it, the sheathing behind the wall has been wet for a while. We pull the door, inspect the rough opening, repair the framing, and re-flash it correctly.
- Fog-driven rot on CWS exterior wood near shared property lines. When homes are a few feet apart, the gap between buildings stays shaded and damp year-round. CWS trim and siding in those tight spaces fails faster than anywhere else on the house. We work from scaffolding staged in narrow side yards, and we coordinate with neighbors when we need access across a property line.
CWS Service in Marin City: What Local Conditions Mean for Your Equipment
Marin City’s original Marinship-era homes were built for shipyard workers returning from World War II, and the lots follow the hillside above Richardson Bay rather than fighting it. That means close-set wood-frame houses, steep grades, and shared retaining walls in the older core. Construction here is nothing like the large-lot remodels common in the rest of Marin, including CWS repair in Belvedere where properties tend to be more spacious. When we work on CWS wood products in those original neighborhoods, we’re almost always staging from the street or a neighbor’s narrow side path because there’s no room to bring materials around the back. A deck repair on a hillside lot often requires removing sections of railing to reach the ledger, and the shared retaining wall means the stair footings sit on ground that drains toward the house. That’s why CWS deck and stair failures in Marin City are usually connection failures first: the ledger, the rim joist, and the stringer-to-deck fasteners rot before the visible decking does. We plan every CWS job in Marin City around those conditions, from where the scaffolding goes to how the drainage gets detailed once we open the wall.
CWS Models & Products We Service in Marin City
We service CWS wood windows and sliding glass doors, CWS exterior wood siding and trim, CWS wood decking and stair systems, and CWS fiberglass and wood entry doors. For critical structural and weather-seal components sills, flashing, door tracks we use OEM CWS parts because they are engineered to fit the original assembly and that fit is what keeps water out. For non-structural trim and decking, we source high-quality aftermarket or naturally rot-resistant alternatives when we know they will outlast the original in Marin City’s conditions. We keep common CWS-compatible sealants, flashing materials, and fasteners stocked for faster turnaround on Marin City repairs. Roof repair and roof replacement on CWS-clad homes are a big part of our call volume here, along with home additions that tie into existing CWS exterior details.
See the difference
Before
After
Before
After
Before
AfterCWS Service Pricing in Marin City
CWS repair and construction pricing in Marin City depends on the scope, the condition of the framing behind the visible surface, and the access situation on your lot. Here are the ranges we typically see for the work homeowners call us about most.
| Service | Price Range |
|---|---|
| Roof Repair | $400 – $1,800 |
| Roof Replacement | $8,000 – $20,000 |
| Home Addition | $45,000 – $130,000 |
Every estimate is free, and we price from a written scope so you know exactly what’s included. Hillside access and shared-wall coordination add labor, but we will tell you that in the estimate, not after work starts. Call (844) 384-3361 and we’ll walk your CWS issue with you before we ever send a number.
Serving Marin City, CA — Our Local Coverage Area
We’re based in the Marin City area and know this community well, and we also provide Sausalito CWS service just across the bay. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – CWS Construction in Marin City
Marin City’s fog belt keeps exterior wood damp through most of the winter, and CWS window and door frames absorb that moisture along the bottom rails and sills. The wood swells, the paint line traps water, and the sash binds. We fix it by removing the sash, re-planing or replacing the swollen rails, and correcting the flashing and drainage detail so water does not sit against the wood in the first place. If your windows are sticking now, call (844) 384-3361 and we’ll tell you whether it’s a repair or a replacement situation.
Yes, and this is one of the most common jobs we do in the original Marinship-era core of Marin City. We stage from the street or a neighbor’s property with permission, and we sequence the work so the retaining wall and the deck structure are handled together rather than by two different contractors who blame each other later. Shared walls and tight lots are normal for us here. Call (844) 384-3361 and we’ll come look at your lot layout before we bid.
For most Marinship-era homes in Marin City, we recommend composite or asphalt shingle systems with proper ridge and eave ventilation, because they handle persistent fog moisture well and keep the attic drying. Metal roofs work but need careful underlayment detailing to prevent condensation. The roof deck under the old shingles is usually the real variable; many of these homes have plywood or board decking that needs repairs once we pull the old roof. We’ll inspect the deck and tell you what she actually needs before we quote.
Yes, but it takes planning. Close-set lots in Marin City mean we often need brief access across a neighbor’s side yard for staging or foundation work, and we handle that communication ourselves so you’re not the one asking. Setbacks on these original lots are tight, so we work with local permitting to get a design that fits without eating your whole yard. Home additions in Marin City typically run $45,000 to $130,000 depending on scope and site conditions. Call (844) 384-3361 to talk through what’s possible on your lot.
It does. CWS wood siding and trim in Marin City needs to be checked more often at butt joints, near-grade sections, and anywhere the fog drips consistently. We recommend a yearly visual check for paint blistering and soft spots, and re-coating with breathable finishes before the wood gets saturated. The maintenance cadence here is different from drier parts of the Bay Area because the marine layer is relentless, unlike conditions for Tiburon CWS service where wind patterns differ. If you’re not sure what to look for, call us and we’ll walk the exterior with you.
Service Areas Near Marin City
We take CWS service calls across Marin City and into the surrounding communities, including CWS service in Ontario and CWS service in Upland. If you’re nearby and wondering whether we cover your street, call us. If you’re not sure, ask; worst case we’ll point you to someone who can.
Book Your CWS Service in Marin City Today
If your CWS windows are sticking, your deck feels soft, or your siding is blistering, don’t wait until the damage spreads behind the wall. Call (844) 384-3361 to schedule a free estimate, and we’ll get eyes on your Marin City home. Build it right the first time. The second time costs twice as much and nobody’s happy about it.
Written by Noel Figueroa, Owner & General Contractor at Workshop Contractors, serving Marin City for years.