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
Fast, Reliable General Contractor Across Marin City
Marin City homeowners need a general contractor who understands what this community actually requires. Between the unincorporated status that routes every permit through Marin County and the fog belt that punishes cheap materials, this is not a place for a contractor who learned the trade somewhere drier. Our General Contractor team has done structural repairs, remodels, and additions throughout the 94965 zip code, and we know what the landslide hazard zones and county inspectors will ask for before the first wall comes down. Call us at (866) 472-1908 and you’ll get someone on the phone who can talk specifics about your street, your slope, and your project.
Why San Bruno Construction Is Marin City’s Preferred General Contractor Company
Marin City’s housing stock is mostly mid-century wood-frame construction, built between the 1940s and 1960s, sitting on terrain that slides more than people realize. That combination means the average remodel here runs into things a flat-lot contractor in San Bruno never sees: rotted rim joists, out-of-plumb foundation walls, drainage that sends water toward the house instead of away from it. We’ve worked these conditions enough to plan for them in the quote, not react to them as change orders after demolition starts.
Homeowners here also tend to know each other. Marin City is a tight-knit community of roughly 3,000 people, and word travels. We earn work here the same way we earn it everywhere: one job at a time, with the permit file complete and the work documented. When a homeowner off Drake Avenue refers us to a neighbor near the Gateway Shopping Center, that’s the reputation we’re after. Noel Carvalho runs our projects personally, and the homeowners we work with in Marin City have his direct line.
Styles & brands we work with







Remodeling Contractor in Marin City
A Remodeling Contractor in Marin City is dealing with buildings that have spent 60-plus years in damp, cool air at the base of the Marin Headlands. That changes how a remodel gets framed, flashed, and inspected. If you’re planning a kitchen remodel in a 1950s apartment unit or a bath update in a single-family home off Cole Drive, the work has to account for moisture that never really leaves the air. A Marin City kitchen remodel typically runs $14,000 – $45,000 depending on cabinet grade and how much structural correction the walls need once they’re opened. Bathroom remodels here run $9,000 – $28,000, and a small bath update can be done for $5,000 – $12,000 when the framing is sound.
Where Moisture Shows Up First
We routinely find hidden rot in exterior-facing walls and around windows in Marin City homes. A remodel quote that doesn’t account for this is a quote that will go up once the drywall comes off. We price for it up front, with a written line-item scope so you’re not financing surprises.
Seismic and Structural Corrections
Older homes in the 94965 zip code were framed before current seismic codes existed. When we’re already in the walls for a remodel, it’s the sensible time to add Simpson strong-tie connectors, shear paneling, and proper hold-downs. It’s a few thousand dollars now versus a much bigger number after a quake.
Licensed General Contractor in Marin City
A Licensed General Contractor in Marin City has to work within a permitting system that most cities don’t use. Because Marin City is unincorporated, there’s no local building department. Everything goes through Marin County’s Community Development Agency, and many parcels sit inside designated landslide hazard zones. That triggers a geotechnical review on projects that would sail through with a standard permit elsewhere. A home addition in Marin City runs $45,000 – $130,000; an ADU construction runs $90,000 – $220,000. Those numbers include the county permit path, the geotech review when the slope demands it, and the inspections that follow.
The County Permit Difference
Marin County reviewers want drainage plans, slope stability documentation, and structural calculations for anything touching a foundation or a load-bearing wall. We handle that paperwork, but homeowners should know it adds time to the front end of the job. Any contractor who says a Marin City remodel can skip the county is wrong, and the permit will come back to haunt you.
Documenting for Insurance
After our work is done, you get a complete paperwork file: county permit, inspection sign-offs, geotech report if one was required, change orders, and photos. If a storm damages your home later, that file is what your insurer wants to see. We build it as part of the job, not as a favor.
Trusted Brands We Service in Marin City
We install and warranty materials from brands that hold up in Marin’s damp marine air. For cabinetry, we work with KraftMaid and Wellborn lines, and for countertops we order from Cambria and Silestone, both of which offer slabs that don’t stain or etch easily in humid conditions. That matters when fog rolls through every summer morning. We keep our Marin City projects stocked with the right sealants, flashing, and weather-resistant barriers for this microclimate, which means less downtime waiting on materials.
See the difference
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After
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After
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AfterCommon General Contractor Problems We See in Marin City Homes
- Rotted deck ledgers and posts: The fog belt keeps wood damp for months at a time. We’ve pulled apart decks where the ledger board was essentially mulch still holding onto the house. Replacing it properly means pressure-treated lumber and positive drainage away from the connection.
- Failed weather-resistant barriers: Some older homes here were built with standard building paper, which is nowhere near enough for this humidity. We use full WRB systems that actually shed water, and we inspect what’s already there before any new siding goes up.
- Unpermitted structural work: Marin County keeps records, and buyers’ inspectors know how to pull them. When we see a past deck repair or wall removal done without a permit, it becomes a negotiation point in a sale. We fix it the right way and close out the county file.
- Drainage pushing water into foundations: Marin City’s slopes move water fast, and if a house wasn’t graded with swales and downspout extensions, that water tests the foundation every winter. We correct grading as part of most exterior remodels and additions.
Pricing for General Contractor in Marin City, CA
What you actually pay depends on scope, material grade, and what the county requires for your specific parcel. Here’s what we’re seeing across Marin City right now:
| Project | Typical Marin City Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
These are honest, market-calibrated ranges for this area, not teaser numbers. The two biggest variables are the geotech review, when your lot triggers one, and the condition of what’s behind your walls. We give free written estimates with line items, so you’ll see exactly where the money goes before you sign. Call (866) 472-1908 to schedule yours.
We Also Serve Cities Near Marin City
In addition to Marin City, we run projects in Sausalito, Belvedere, Tiburon, and the Chinatown area. Each has its own permitting path and its own microclimate quirks, but the same principle applies: one contractor, one contract, and materials specified for the conditions. If you’re in one of those communities, we’re already familiar with the local building officials and the slopes involved.
Serving Marin City, CA — Our Local Coverage Area
We’re based in the Marin City 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 General Contractor in Marin City
Marin County follows the California Building Code with exposure categories shaped by your site’s specific wind zone. Most Marin City parcels fall into Exposure C or D, which means exterior assemblies need to resist higher wind pressures than inland lots, and your structural drawings must reflect that. We specify from the start for your parcel’s exposure category, so the engineer’s calculations and the product selection align before the permit is submitted. Call (866) 472-1908 for an exact read on your property.
Most likely yes, and it’s one of the most frequently skipped steps we see. Marin County flags parcels in designated landslide hazard zones, and when your address is in one, the reviewer will condition your permit on a geotech report before approving anything touching the foundation or adding structural load. We’ve guided homeowners through this process multiple times, and the report typically costs a few thousand dollars upfront, but skipping it means no permit and no legal work. Call (866) 472-1908 and we’ll check your parcel’s designation for free.
Keep the original permit, every inspection sign-off, any geotech report, all change orders, and photos of the work before the walls were closed. If a storm damages your home, your insurer will want to see that the damaged area was built or repaired to code. We hand over that full packet at the end of every Marin City project, because it’s the same file our own team relies on if the insurer pushes back. Call (866) 472-1908 to talk through your specific situation.
Moisture is the main driver. We recommend impact-rated window systems that resist both wind and water intrusion, and roof underlayments that can handle months of damp air without degrading. For windows, we’re seeing metal-clad and vinyl systems perform better long-term here than untreated wood frames, which swell and rot. For roofs, the underlayment choice matters as much as the shingle. Walk through the brands with us and pick what fits the budget, but the spec has to match this microclimate. Call (866) 472-1908.
The permit. The geotech review. The drainage plan. Cheap quotes in Marin City usually start with a nice spreadsheet and no county approval path, because the contractor either doesn’t know this area or plans to build without one. Eight months later, the homeowner has an open county violation and no insurance coverage for the work. Our quotes include the permit costs, the review fees, the engineer’s time, and the moisture control details. Call (866) 472-1908 for a free estimate that accounts for all of it.
Written by Noel Carvalho, Owner at San Bruno Construction, serving Marin City and the surrounding Marin County communities.