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 Tiburon
The biggest cost mistake we see on Tiburon renovation projects isn’t the labor or the design – it’s the materials that quietly fail in salt air and fog before the project is even paid off. A standard galvanized deck ledger off Lyford Drive or Bel Aire corrodes through in a handful of years. Inland-spec window frames pit along waterfront elevations. Paver joints erode after two or three heavy winters. We’re Toolbox Contractors, and for homeowners across 94920, we plan for this from day one because we’ve rebuilt enough of these failures to know exactly how they start. If you’re planning a remodel, addition, or full-home renovation in Tiburon, call us at (855) 382-3257 for a free estimate. We’ll walk your property, point out what’s already failing, and tell you straight what needs the coastal-spec upgrade and what doesn’t.
Why Toolbox Contractors Is Tiburon’s Preferred General Contractor Company
We’ve worked on homes from the flats of Old Tiburon up through the hillside streets above Paradise Cay, and every job teaches us something about how this town’s buildings age. The marine layer that rolls over Richardson Bay doesn’t just fog the windows – it works into every exterior surface. Standard electroplated fasteners fail. Exterior trim peels. Deck ledgers rot where water gets behind flashing. Homeowners who’ve hired flat-land contractors then called us to fix the result have told us the same thing: the work looked fine for a year, then the coastal conditions caught up.
What earns trust in Tiburon is specificity. We can tell you which window frame material holds up on a fog-exposed elevation, which paver sealant survives winter storm runoff, and which flashing details matter most on a hillside deck rebuilt above the bay. That’s what you get from a General Contractor team that has managed interior remodels, exterior builds, and hillside structural work under one roof. One contract, one point of accountability, and a material spec that matches the actual conditions your house faces.
Styles & brands we work with







Licensed General Contractor in Tiburon
A Licensed General Contractor in Tiburon manages the full scope of a renovation – permitting, structural work, finishes, and final inspection – under a single contract and a single accountable party. For homes on the Tiburon Peninsula, that license carries extra weight. The Town of Tiburon’s design review and hillside slope rules mean the contractor has to understand how view easements, setbacks, and geotechnical conditions interact before the first permit application goes in. Skip that step and you’re redesigning after two months of delays.
What does this work cost in Tiburon? A full home addition runs $45,000 to $130,000 depending on scope, foundation work, and hillside access. A kitchen remodel lands between $14,000 and $45,000. Exterior envelope work – roof replacement, window replacement, siding – falls in the $4,500 to $25,000 range depending on the home’s exposure and the materials specified.
Hillside Foundations and Structural Repairs
Steep lots above Richardson Bay mean retaining walls, foundation retrofits, and drainage corrections are often the first phase of a remodel, not an afterthought. We scope this with geotechnical review where the town requires it. The cost is real, but it’s the difference between a room that holds and a hillside that moves.
Full-Scope Renovation Management
From the kitchen cabinets to the roof ridge, one team handles it. We install Cambria and Caesarstone countertops, KraftMaid cabinetry, and GAF or CertainTeed roofing systems. You’re not coordinating five specialists and hoping they communicate. You’re holding us accountable for the whole thing.
Residential General Contractor in Tiburon
A Residential General Contractor in Tiburon is who you call when a project spans more than one trade – a kitchen gut, a deck rebuild, a window replacement, or an ADU in the backyard of a hillside lot. The Residential GC coordinates the permit drawings, the structural engineer, the town review, the material procurement, and the trade scheduling. In Tiburon, where design review and slope rules add layers to even a simple bathroom remodel, that coordination is the difference between a project that starts in spring and one that starts next year.
For the projects we handle most in Tiburon, pricing breaks down like this: a bathroom remodel runs $9,000 to $28,000; a paver patio starts around $3,500 and tops out near $11,000; and an ADU – increasingly common on lots where the garage is underused – runs $90,000 to $220,000 depending on whether you go conventional stick-build or prefab through partners like Abodu.
Interior Remodel Scope
Kitchens, baths, whole-home remodels, and room additions. We’ll spec the cabinetry, countertops, and fixtures after walking the space with you. That means brands like Kohler and Moen where they make sense, and Cambria or Silestone where the budget allows.
Exterior and Structural Scope
Decks, roofs, windows, siding, fences, and hardscape. On a salt-air lot, this is where the material call matters most. We’ll tell you when a standard window frame is a false economy and when a stainless fastener schedule is non-negotiable.
Trusted Brands We Service in Tiburon
Tiburon homeowners spend real money on renovations, and they ask the right questions about what goes into their homes. We answer with brand names, not vague promises. Countertops from Cambria and Silestone. Roofing systems certified through GAF, CertainTeed, and Owens Corning. Prefab ADU structures from Abodu when the lot and the design review allow it. If you’re replacing a driveway, we’ll talk about Quikrete and Sakrete products for the concrete work, but we’ll also tell you when a paver system from Belgard or Techo-Bloc will drain better on a sloping Tiburon lot. Local material staging for 94920 jobs means we plan deliveries around narrow hillside streets and tight driveways – not after the truck gets stuck.
See the difference
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AfterCommon General Contractor Problems We See in Tiburon Homes
- Corroded deck ledgers and rusted hardware. Salt air off the bay attacks standard galvanized fasteners within a few years. We regularly find ledger boards held by hardware that has rusted through where fog settles against the house wall, leaving the deck one winter storm away from failure. The fix is stainless-steel lag screws and hot-dip galvanized hangers, not more of the same.
- Inland-spec window frames on fog-exposed elevations. Frames that hold up fine a few miles inland pit and peel when the marine layer sits on them all summer. The water gets behind the trim, the paint fails early, and the rot starts in the sash. Marine-grade aluminum or properly finished fiberglass is the call, and we spec it before you pay twice.
- Eroded paver joints and shifting driveways. Heavy winter rain flows down Tiburon’s hillside lots and channels across driveways and patios. Unsealed paver joints let runoff erode the bedding sand, and the pavers shift. We use sealed joints and drainage details that move water off the hardscape instead of through it.
- Foundation and retaining wall movement on steep lots. The same hillside views that make Tiburon homes valuable also make the ground under them move. Heavy rain saturates slopes, retaining walls bow, and foundations settle. We scope drainage correction and structural reinforcement as part of the remodel, not as a surprise change order later.
Pricing for General Contractor in Tiburon, CA
Here’s what we actually see in Tiburon, not a generic Bay Area number. These ranges reflect coastal-spec materials, hillside access, and the Town’s permitting reality.
| Project | Tiburon Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
The spread comes down to coastal-spec choices. A roof with standard fasteners and basic flashing sits at the low end. The same roof with stainless hardware, upgraded underlayment, and proper salt-air detailing lands higher. That’s not markup – it’s the cost of not doing it twice. Call (855) 382-3257 and we’ll give you a written line-item quote for your specific project. Estimates are free.
We Also Serve Cities Near Tiburon
Our crews work throughout the Peninsula. If you’re in Belvedere, Sausalito, Marin City, or Chinatown, we bring the same coastal-spec approach to your project. Read more about our service area on our General Contractor in Tiburon page, or call us to check your exact address.
Serving Tiburon, CA — Our Local Coverage Area
We’re based in the Tiburon 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 Tiburon
A coastal-spec roof on a Tiburon home typically costs 20 to 35 percent more because the fastener schedule, flashing, and underlayment are all upgraded for salt air and wind-driven moisture. Standard galvanized nails and cheap flashing fail within a decade here; stainless or hot-dip galvanized hardware and marine-grade flashing last two to three times longer. The additional cost is roughly $2,000 to $5,000 on a typical roof, which is far less than a premature re-roof or the water-damage repair that comes with one. Call (855) 382-3257 for a roof-specific quote – we’ll show you the exact line items.
For Tiburon’s salt air and marine fog, we specify either marine-grade aluminum frames or properly finished fiberglass with stainless hardware. Vinyl and standard wood-clad frames that perform fine inland tend to pit, peel, and let water in on fog-exposed elevations within five to seven years. The cost difference is real, usually $2,000 to $6,000 extra for a whole-home window replacement, but it eliminates the water intrusion and repainting cycle that turns cheap windows into an expensive mistake. We’ll tell you which elevations actually need the upgrade so you’re not paying for it where you don’t need it.
We stage materials on steep hillside lots like those off Lyford Drive and around Bel Aire by first walking the site with the Town and the neighbors to agree on access points and street use. For most of these jobs, we bring in materials by smaller truck, hand-carry what we can, and use concrete pumping when the pour can’t be reached by a standard mixer. Dumpster placement often requires neighbor coordination and sometimes a street-staging permit from the Town of Tiburon. It adds planning time but keeps the project legal and the street passable.
A deck rebuild in Tiburon typically requires a building permit from the Town of Tiburon, and if the deck is on a hillside lot or changes the home’s exterior appearance, it may also trigger design review and geotechnical review for slope stability. The Town’s hillside and slope-density rules mean the permit package usually needs engineered drawings, a drainage plan, and a hardware schedule showing the fastener and connector spec. We prepare the full submittal, and our inspection sign-offs come from third-party inspectors who confirm the installed hardware matches the engineered plans. Budget a few extra weeks for review, especially on view lots.
The Town of Tiburon’s design review typically adds 6 to 12 weeks to a remodel timeline for projects that change exterior elevations, rooflines, or window openings on view lots. Interior remodels that don’t change the exterior usually skip design review, but anything visible from the street or a neighbor’s view easement can trigger it. The easiest way to avoid a surprise delay is to have us check the project scope against the Town’s rules before you commit to a start date. We’ll tell you exactly what needs review and what doesn’t, so you’re not finding out at the permit counter.
If you’re planning a project in Tiburon and want a contractor who knows the difference between coastal-spec and inland-spec, call us at (855) 382-3257. Norm Castellano leads our team, and we’re happy to walk your property, show you what’s already failing, and give you a straight answer on what it costs to fix it right the first time.
Written by Norm Castellano, Owner at Toolbox Contractors, serving Tiburon and the surrounding Peninsula communities.