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 Belvedere
Hiring a general contractor in Belvedere means finding a team that understands what this island and hillside community actually demands. We’re Seaside Contractors, and we’ve managed remodels, additions, and ADU projects across Belvedere’s steep lots and waterfront properties long enough to know that the real work starts before demolition: permits, staging plans, neighbor communication, and long-lead material ordering. Our General Contractor team manages the entire project from first scope meeting to final walkthrough. Call (833) 589-8103 and we’ll come out, walk your property, and give you a straight read on what your project will take.

Why Seaside Contractors Is Belvedere’s Preferred General Contractor Company
Belvedere is not a volume market. It’s a place where every lot has a view, a slope, or a shoreline condition that the City of Belvedere and, depending on location, BCDC will scrutinize. Homeowners here have done their research and expect a contractor who can talk intelligently about Schluter waterproofing systems in a master bath the same way they talk about seismic shear walls on a hillside addition. That’s how we work. Glen Sorrento leads our team with a direct, consultative approach: we tell you what the permitting path looks like, where the schedule risks sit, and which materials will hold up against salt air and wet winters.
Belvedere homeowners keep bringing us back because we write a fixed scope of work before ordering anything. That matters enormously on this island, where a custom cabinet order or architectural glass package can have a four-month lead time and a change order can blow a six-figure budget. We’ve earned the trust of clients on Belvedere Island, along San Rafael Avenue and around Corinthian Island, by being the single accountable team from blueprint to final walkthrough. One contractor. Every trade.
Styles & brands we work with







Hire a General Contractor in Belvedere
Hire a General Contractor in Belvedere when your project touches structure, systems, or multiple trades and you do not want to coordinate a patchwork of subs yourself. On Belvedere’s steep lots, even a kitchen remodel can require structural assessment, retaining-wall review, and drainage planning before a cabinet is ever ordered. We manage that entire sequence. A kitchen remodel in Belvedere typically runs $14,000 to $45,000, cabinet installation runs $4,000 to $13,000, and a bathroom remodel runs $9,000 to $28,000. The scope of work gets fixed in writing before we place any order.
Project Scope and Written Contracts
We spec every line item. Materials, allowances, permit fees, engineering time, disposal. Then we lock it. On a hillside remodel where site conditions may force a redesign, the written scope is what prevents a $95,000 kitchen from becoming a $130,000 kitchen. We’ll walk you through every allowance line and explain what happens if you change a fixture after ordering.
Single Point of Accountability
Your project doesn’t get handed off between four different companies. Our crews and our project managers run all of it: demolition, rough-in, finish work, inspections. When you have a question about the Toto tub filler or the Cambria slab, you call one number. Ours.
General Contractor Services in Belvedere
General Contractor Services in Belvedere cover everything from a kitchen or bath remodel to a full home addition or ADU under one contract. Belvedere homeowners regularly come to us with projects that touch multiple systems at once: a 1960s hillside home that needs a kitchen refresh, a deck rebuild, and seismic upgrades in the same year. We handle all of it. A home addition in Belvedere runs $45,000 to $130,000, reflecting the cost of hillside engineering, foundation work, and the city’s permitting requirements. We’ll give you real numbers before you commit a dollar.
Remodels and Renovations
Kitchens, primary baths, whole-home remodels. We spec the cabinetry, the counters, the tile, and the behind-the-wall waterproofing with Schluter systems where moisture exposure demands it. We’ll match the material to the project, whether that means value-engineering with well-built stock lines or going full custom with KraftMaid and Cambria.

Additions and ADU Construction
Belvedere’s nonconforming lots make additions an exercise in engineering and patience. We’ve managed additions that required slope stabilization and neighbor view protection before framing could start. Our ADU capability spans prefab manufacturers to custom builds, so we can fit a unit to a tight hillside lot without pretending it’s a flat suburban site.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Belvedere
We maintain direct partnerships with over 50 manufacturers across every trade category, which means Belvedere clients are not stuck with whatever the local supplier happens to stock. For a Belvedere kitchen we might spec American Standard or Toto fixtures, KraftMaid cabinetry, and Cambria or Silestone counters depending on budget tier. For wet areas we anchor waterproofing with Schluter. The point isn’t the brand name. It’s that we can match the material to the project and the budget without switching contractors midstream. We’ll tell you honestly when a premium brand earns its cost and when a value line performs just as well. Built to last behind the wall.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Belvedere Homes
- Steep-lot drainage failures. Belvedere’s clay-heavy slopes absorb winter rain, and when drainage wasn’t engineered properly on a 1960s build, water finds its way into foundations and under retaining walls. We address drainage before cosmetic work.
- Salt-air corrosion on decks and exterior assemblies. Waterfront properties and homes within marine exposure zones see accelerated rot and fastener corrosion. We spec stainless and marine-grade materials where standard hardware fails early.
- Permit stalls from incomplete staging plans. Many Belvedere projects require a city-approved construction staging plan before permits are issued, because narrow lanes leave no room for materials or equipment. We build that plan into the schedule from day one.
- Change orders from long-lead orders placed too early. Ordering custom cabinetry or architectural glass before site conditions are verified creates expensive change orders. We verify structure and rough-in before any long-lead order is placed.
Pricing for General Contractor in Belvedere, CA
Belvedere pricing reflects the cost of doing construction on an island with steep lots, strict permitting, and limited access. Here’s what we currently see in the Belvedere market:
| Project Type | Typical Belvedere Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
What moves these numbers? Foundation and drainage work on steep sites, seismic upgrades, permit fees from the City of Belvedere, and the lead time on custom materials. A basic kitchen refresh lands at the lower end. A full custom kitchen with architectural glass and high-end fixtures lands at the top. We give free, written estimates with every line item spelled out. Call (833) 589-8103 to schedule yours. The estimate is free, and there’s no obligation.
We Also Serve Cities Near Belvedere
Our service area extends beyond Belvedere to General Contractor in Belvedere and the surrounding Marin communities, including Tiburon, Sausalito, Marin City, and Chinatown. If your property sits on a hillside lane or waterfront anywhere in this corridor, we know the permitting path and the material challenges. Call us and we’ll tell you straight whether your project fits our scope.
Serving Belvedere, CA — Our Local Coverage Area
We’re based in the Belvedere 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 Belvedere
We handle the full permitting path for you. For shoreline work in Belvedere, that means coordinating with the City of Belvedere for building permits and with BCDC for any work within their jurisdiction, including deck rebuilds, seawall repairs, and foundation work near the water. We prepare the drawings, the structural calculations, and the staging plan the city requires before permits are issued. Call (833) 589-8103 and we’ll walk you through what your specific property triggers.
Custom cabinetry from KraftMaid and architectural glass packages typically run 12 to 20 weeks from order to delivery in Belvedere. That lead time drives the entire schedule on a high-end remodel. We lock the scope and allowances in writing, place the order, and sequence rough-in and inspections around the delivery dates so you’re not paying crews to wait. Call (833) 589-8103 for a real timeline on your project.
We write a fixed scope of work and a full allowance schedule before any purchase order goes out. That single discipline prevents most change orders. The remaining risk on Belvedere projects comes from site conditions hidden until demo, which is why we verify structure and drainage before ordering long-lead materials. If a change order does come up, you’ll see it in writing with pricing before any work proceeds. Call (833) 589-8103 and we’ll show you what a fixed-scope contract looks like.
That depends on the lane. Many Belvedere lanes require a city-approved staging plan before permits are issued, because there isn’t room for materials and equipment on-site without blocking neighbor access. We prepare that plan, coordinate deliveries around the street’s constraints, and communicate with neighbors before anything arrives. Call (833) 589-8103 and we’ll tell you what your street allows.
A kitchen remodel in Belvedere typically runs $14,000 to $45,000. The spread comes down to cabinetry grade, countertop material, structural work, and whether you’re changing the footprint. A small kitchen refresh lands around $14,000; a full custom kitchen with architectural glass and premium fixtures lands near $45,000. Call (833) 589-8103 for an exact quote. Estimates are free.
Written by Glen Sorrento, Owner at Seaside Contractors, serving Belvedere and Marin County.