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
Remodeling Company in Belvedere, CA
Home renovation in Belvedere means working with steep hillside lots, mid-century custom homes, and a permitting process that treats drainage, view protection, and tree preservation as community-wide concerns. Most of the houses here were built between the 1950s and 1970s, and many have never had meaningful structural or systems updates. That’s the work Seaside Contractors handles in Belvedere: renovations that respect tight setbacks, protect the hillside, and bring older homes up to current code without disrupting neighbors. Call (833) 589-8103 to talk through your project.
Why Belvedere Homes Are Different
Belvedere is an island-and-hillside town, and that geography shapes nearly every renovation decision. Homes along Belvedere Island and the Corinthian Island waterfront sit on lots that climb sharply from the lagoon or drop straight to the water. Many of these houses are original mid-century builds on nonconforming footprints, which means additions and remodels must fit within existing envelopes or go through discretionary review with the City of Belvedere. For waterfront work, the Bay Conservation and Development Commission adds another layer of review.
The wet Marin winters are a bigger factor here than people expect. Steep, clay-heavy slopes hold water, and older retaining walls and foundation drains were rarely engineered for what they now carry. We regularly see decks with rusted connectors within sight of the bay, and exterior assemblies that have been quietly wicking salt air for decades. A thorough renovation in Belvedere starts with drainage, structure, and waterproofing. The finishes come later and last longer because the hidden work was done right.
Styles & brands we work with







Our Main Belvedere Services
Belvedere homeowners call on Seaside Contractors most often for two things: full-scope general contracting and complete home remodeling. Here’s what each looks like in this city.
General Contractor in Belvedere
Acting as your general contractor in Belvedere means managing the whole project from engineering and permits through final inspection. That matters here because jobs routinely involve slope stabilization, view protection, and neighbor notification requirements that a specialty subcontractor will not coordinate. We handle the structural work, the subs, the supplies, and the schedule so you’re not running a construction site from your kitchen. For the full scope of our general contracting service, see General Contractor in Belvedere.

Home Remodeling in Belvedere
Home remodeling in Belvedere often means taking a 1960s hillside home down to the studs and rebuilding it for how people live now without changing the footprint the city will allow. We remodel kitchens, bathrooms, interiors, and exteriors, and we coordinate everything from cabinets and countertops to waterproofing and finish carpentry. For a closer look at how we approach a whole-home project here, visit Home Remodeling in Belvedere.

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.
Home Renovation in Belvedere
Home renovation in Belvedere usually means bringing an older hillside house up to the way it should have been built. Homes here were largely constructed in the 1950s and 1960s, before modern seismic code, before Schluter waterproofing systems existed, and before anyone thought much about drainage on clay slopes. The specific problem renovation solves in Belvedere is this: the house is standing, but its bones, its waterproofing, and its systems are decades past their useful life. Seaside Contractors has served Belvedere since 2013, working with homeowners to plan renovations that handle drainage, structure, aging systems, and finishes under one scope and one schedule. That’s the entire point of our Home Renovation service: one contractor accountable for the full job.
Home Renovation Contractors
Signs you need it
You’re seeing foundation cracks, sticking doors, failing retaining walls, or water intrusion after heavy rain on a Belvedere hillside lot.
What it costs in Belvedere
Whole-home renovation in Belvedere starts around $45,000 for a focused scope and can reach $130,000 or more for a full structural refresh, depending on slope and access.
How we do it
We start with a structural and drainage assessment, then build a scope that sequences foundation, framing, waterproofing, rough systems, and finishes so the home never sits open to wet-weather damage.
Home Improvement Contractors
Signs you need it
Your home has good bones but a long list of accumulated problems: aging windows, worn waterproofing layers, dated plumbing, and finishes that no longer match how you live.
What it costs in Belvedere
Whole-home improvement projects typically range from $45,000 to $130,000, with kitchen and bath packages falling within the $14,000 to $45,000 and $9,000 to $28,000 ranges respectively.
How we do it
We group the work into logical phases, pulling permits in the right order and scheduling subs so you’re not paying for idle time while the city reviews drawings.
What Home Renovation Costs in Belvedere
| Item | Typical range in Belvedere |
|---|---|
| Whole-home renovation | $45,000 – $130,000 |
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
How long does a home renovation take in Belvedere?
Most full-home renovations in Belvedere run four to eight months, with permitting and hillside review often adding four to eight weeks before demolition starts. Scope, access, and weather all move the timeline. Call (833) 589-8103 for a schedule estimate on your specific project.
Will a Belvedere renovation trigger a hillside or view review?
Many will. The City of Belvedere and BCDC both weigh in when work affects drainage, trees, or sightlines from neighboring properties. We plan for those reviews up front so they don’t surprise you mid-project. Call (833) 589-8103 with your address and we’ll tell you what’s likely required.
Brands We Service in Belvedere
We install and service trusted fixture and waterproofing brands in Belvedere, including Toto, American Standard, Sterling, and Schluter waterproofing systems. Common parts are stocked for quick turnaround, and specialty pieces ship direct through our supply partners. Browse our brands to see the full list.
See the difference
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AfterPricing for Remodeling Company in Belvedere, CA
| Service | Typical range in Belvedere |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Small kitchen remodel | $9,000 – $20,000 |
| Cabinet installation | $4,000 – $13,000 |
| Countertop installation | $2,000 – $6,500 |
| Walk-in shower installation | $4,500 – $12,000 |
| Tub-to-shower conversion | $3,500 – $10,000 |
| Roof replacement | $8,000 – $20,000 |
| Window replacement | $4,500 – $15,000 |
| Home addition | $45,000 – $130,000 |
| ADU construction | $90,000 – $220,000 |
| Garage conversion | $30,000 – $80,000 |
| Paver patio installation | $3,500 – $11,000 |
In Belvedere, pricing gets pushed up by steep-slope access, hillside shoring, BCDC review on waterfront work, and the tight staging conditions on narrow lanes. We provide a written, line-item quote before work starts, and we do not change the price once the scope is agreed unless you change the scope.
Neighborhoods We Serve in Belvedere
We work throughout Belvedere, from the hillside homes above the lagoon to the flats along Beach Road and the waterfront on Corinthian Island. We know which streets have the tightest turns for delivery trucks and where staging requires a neighbor’s cooperation or a specialty lift.
- Belvedere Island hillside
- Corinthian Island
- Belvedere Lagoon frontage
- Beach Road corridor
- West Shore
Response time for an initial site visit is typically under a week, depending on the season and current project load.
Service Area – Cities Near Belvedere
Seaside Contractors serves Belvedere and the surrounding Marin County communities. If you’re across the water or just up the road, we also work in Tiburon, CA, Sausalito, CA, Marin City, CA, and Chinatown, CA. Call us at (833) 589-8103 to confirm coverage for your address.
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 Remodeling Company in Belvedere
Most Belvedere projects start with a site visit within a week, then a written scope and estimate within two to three weeks after that. Permitting and hillside review are usually the longest lead items, not our schedule. Call (833) 589-8103 to get on the calendar.
Yes. We pull City of Belvedere permits and coordinate BCDC submittals when a project falls within the commission’s jurisdiction. If your home is part of a Belvedere homeowners association, we prepare the architectural review package too. Call (833) 589-8103 and we’ll walk you through what your project triggers.
Yes. We’ve managed projects on some of the narrowest lanes in Belvedere, coordinating material drops, using small-footprint equipment, and scheduling work around access windows. Site logistics are part of the plan from the first walkthrough, not an afterthought. Call (833) 589-8103 to schedule a site visit.
Planning a renovation in Belvedere? Call (833) 589-8103 for a free estimate, or visit our home page to see the full scope of what we do.
What happens when you call
- 1A real person answersNo phone trees — talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Belvedere Customers Say
"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Michael Lawson"The foundation survey came back dead on. Everything downstream of that being square is the reason the rest of the build went smoothly."
— Ernesto Morales"He caught an error in the engineer's drawings before it got framed, which would have been an expensive thing to discover later."
— Ruben Ramirez