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125 Belvedere Avenue, Belvedere Tiburon, CA, 94920

5beds
10baths
5,895sqft
$19,800,000
$3,359price/sqft
$122,982/moest. monthly cost
$4,919,280/yrincome needed

About This Home

For intrepid souls that dream of an extraordinary life, for those that have been blessed with exceptional good fortune and grace, and especially for those that best commune with the natural world when they are on or near the sea; La Casa dei Sogni is truly a House of Dreams. Designed by world-renowned architect Andrew Skurman, who undoubtedly took inspiration from the most celebrated Mediterranean Estates of the 18th and 19th centuries, La Casa dei Sogni is a place of whimsy and of timeless aesthetic beauty, a jewel sitting along the coveted southwestern shore of Belvedere Island. It is a place where space and time seem fluid, as you live among centuries-old patterned oak floors, fireplace hearths, and countless other architectural elements that once adorned some of Italy's finest palazzi. Built in 2008 by David Warner and his famed Red Horse Constructors, this House of Dreams combines the finest quality European materials, with the meticulous craftsmanship of a bygone era, creating a home that remains classically contemporary even with the application of modern engineering and construction techniques. Beautifully situated at the edge of the SF Bay, almost every room presents with open and unobstructed water views, spanning from the San Francisco city skyline all the way west, toward the twin spires of the Golden Gate Bridge, and the town and harbors of Sausalito, and beyond. The home enjoys its own private pier, boat dock, boat lift, and beach access, offering boundless recreational options, and epic entertaining opportunities on its enormous waterfront deck. La Casa dei Sogni also includes a stunning 51-foot motor yacht, currently berthed at Belvedere's Corinthian Yacht Club, a 50-foot slip at San Francisco's Pier 39, and an offshore mooring system together making it a breeze for daily commutes to and from San Francisco.

Getting Around

9
WalkingCar-Dependent
0
TransitVery Limited Transit
7
BikeSomewhat Bikeable

Schools

--
Reed Elementary SchoolGrades K-20.9 mi
10/10
Del Mar Middle SchoolGrades 6-81.9 mi
10/10
Redwood High SchoolGrades 9-125.6 mi

Construction

Condition

  • Year built: 2008

Materials

  • Roof: Tile

Type & Style

  • Home type: SingleFamily
  • Architectural style: Mediterranean
  • Property subType: Single Family Residence

Interior

Appliances

  • Appliances included: Built-In Freezer,Built-In Refrigerator,Dishwasher,Free-Standing Gas Range,Gas Plumbed,Gas Water Heater,Range Hood,Ice Maker,Dryer,Washer
  • Laundry features: Cabinets,Inside Room,Sink

Bathroom

  • Features: Double Vanity,Shower Stall(s),Stone,Tub,Tub w/Shower Over
  • Level: Lower,Main,Upper

Bedroom

  • Level: Lower,Upper

Bedrooms & Bathrooms

  • Bedrooms: 5
  • Bathrooms: 10
  • Full bathrooms: 5
  • 1/2 bathrooms: 5

Dining Room

  • Features: Formal Room
  • Level: Main

Family Room

  • Features: Cathedral/Vaulted,Deck Attached,View
  • Level: Main

Features

  • Cathedral Ceiling(s),Elevator,Formal Entry
  • Window features: Skylight(s)
  • Flooring: Carpet,Stone,Wood
  • Number of fireplaces: 2
  • Fireplace features: Gas Log,Living Room,Outside,Master Bedroom
  • Fireplace: Yes

Heating & Cooling

  • Heating features: Central,Fireplace(s)
  • Cooling features: Central Air

Interior Area

  • Total structure area: 5,895
  • Total interior livable area: 5,895 sqft

Kitchen

  • Features: Kitchen Island,Pantry Cabinet,Skylight(s),Stone Counters
  • Level: Main,Upper

Living Room

  • Level: Main

Master Bathroom

  • Features: Shower Stall(s),Soaking Tub,Stone,Walk-In Closet(s)

Master Bedroom

  • Features: Balcony,Sitting Area,Walk-In Closet 2+
  • Level: Lower

Property

Accessibility

  • Accessibility features: Accessible Elevator Installed

Details

  • Parcel number: 06018126
  • Special condition: Standard

Features

  • Levels: Three Or More
  • Stories: 3
  • Patio & porch: Patio
  • Exterior features: Balcony,Built-In Barbeque,Uncovered Courtyard,Dock
  • Fencing: Entry Gate,Gate
  • Has view: Yes
  • View description: Bay,Bay Bridge,City,City Lights,Golden Gate Bridge,Marina,Mt Tamalpais,Panoramic,San Francisco,Water
  • Has water view: Yes
  • Water view: Bay,Marina,Water

Lot

  • Lot size: 0.41 Acres
  • Features: Garden,Landscape Misc,Private,Secluded

Parking

  • Total spaces: 5
  • Parking features: Boat,Covered,Detached,Garage Door Opener,Garage Faces Side,Uncovered Parking Spaces 2+
  • Has garage: Yes
  • Attached garage spaces: 2
  • Covered spaces: 2
  • Has uncovered spaces: Yes
  • Uncovered spaces: 3

Climate Risk is Financial Risk

Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.

Biggest Threats for This Home

  • Inland Flooding
    Inland FloodingVery High
  • Coastal Flooding
    Coastal FloodingRelatively High
  • Earthquake
    EarthquakeRelatively High
  • Tsunami
    TsunamiModerate

How This Home’s Risks Compare

Inland Flooding
Coastal Flooding
Earthquake
Tsunami

FEMA Declared Disasters in Marin County and California

Earthquake
Flood
Mud Landslide
Severe Ice Storm
Severe Storm
Straight Line Winds
Tropical Storm
Winter Storm

Understanding the Costs

Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.

Estimated Costs Today

MonthlyAnnual
Mortgage $100,119$1,201,428
Home Insurance *$2,492$29,904
Property Taxes $19,107$229,284
Electricity $1,264$15,169
Total$122,982$1,475,784
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$4,216,525/yr
40% on housing$3,689,460/yr
45% on housing$3,279,520/yr

California FAIR Plan Programs

California FAIR Plan Association

Covered
WildfireWildfire
Visit Website →
Current Policies
Residential: 417,310Commercial: 13,990
Total Premiums$1.42B
Total Exposure$429.84B

How Costs Could Change Over Time

Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.

Insurance Growth Rate5-year average: 9.0%
9.0%
0%30.0%
Electricity Growth Rate10-year average: 4.3%
4.3%
0%15.0%
Property Taxes Growth Rate2-year average: 1.0%
1.0%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$3,359This listing

vs Other Active Listings

Avg $/sqft

ZIP 94920$1,667
Marin County$766

vs Homes Sold Last Month

Median $/sqft

ZIP 94920$1,310
Marin County$805

Current Market Trends

Median Price Per Square Foot

The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.

Historicals for This Listing

Zestimate History ($/sqft)

Price History

DateEventPrice
2025-11-02Listed for sale$19,800,000
2025-09-26Listing removed$22,000,000
2025-04-17Listed for sale$22,000,000
2015-05-19Sold$13,000,000
2015-01-07Price change$15,900,000
2012-04-19Price change$16,500,000
2011-08-10Price change$18,250,000
2010-10-30Price change$19,500,000
2010-07-08Listed for sale$24,000,000
2004-12-20Sold$4,575,000

For Sale by Agent

AgentSteven Mavromihalis
BrokerageCompass

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