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445 Belvedere Avenue, Belvedere Tiburon, CA, 94920

4beds
7baths
8,131sqft
$19,880,000
$2,445price/sqft
$123,742/moest. monthly cost
$4,949,680/yrincome needed

About This Home

Featured in Architectural Digest, this world-class residence showcases panoramic views of the San Francisco Bay, the Golden Gate Bridge, the entire city skyline of San Francisco, and Sausalito. This magnificent masterpiece in a dramatic setting on the most prestigious location is comprised of a 8,131 sq .ft. home on a 0.67 acre lot, featuring 4 bedrooms and 5.5 baths. This architectural work of art was designed by architect Charles Gwathmey, with spectacular outlooks from every corner of the expansive 4-level floor plan. . The uppermost level contains a 3-car garage with glass doors, an elevator which descends to a courtyard, a detached one bedroom, one bath guesthouse and a spacious wine cellar. A full bath with steam shower and sauna on the lowest level open onto a spacious outdoor terrace with a pool, whose infinity edge'' of water establishes a poetic connection to the Bay.

Getting Around

4
WalkingCar-Dependent
0
TransitVery Limited Transit
4
BikeSomewhat Bikeable

Schools

--
Reed Elementary SchoolGrades K-21.3 mi
10/10
Del Mar Middle SchoolGrades 6-82.4 mi
10/10
Redwood High SchoolGrades 9-126.1 mi

Construction

Condition

  • Year built: 2000

Materials

  • Foundation: Slab
  • Construction materials: Frame,Metal,Wood Siding

Type & Style

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

Interior

Appliances

  • Appliances included: Built-In Freezer,Built-In Gas Oven,Built-In Refrigerator,Dishwasher,Disposal,Double Oven,Range Hood,Ice Maker,Microwave,Self Cleaning Oven
  • Laundry features: Inside Room,Laundry Closet

Basement

  • Basement: None

Bathroom

  • Features: Shower Stall(s),Tub w/Shower Over
  • Level: Main

Bedrooms & Bathrooms

  • Bedrooms: 4
  • Bathrooms: 7
  • Full bathrooms: 5
  • 1/2 bathrooms: 2

Dining Room

  • Features: Dining/Living Combo
  • Level: Main

Family Room

  • Features: View

Features

  • Window features: Dual Pane Full,Window Coverings
  • Flooring: Carpet,Stone,Wood
  • Number of fireplaces: 3
  • Fireplace features: Family Room,Gas Starter,Living Room,Wood Burning
  • Fireplace: Yes

Heating & Cooling

  • Heating features: Central,Radiant Floor
  • Cooling features: Central Air

Interior Area

  • Total structure area: 8,131
  • Total interior livable area: 8,131 sqft

Kitchen

  • Features: Breakfast Area,Kitchen Island,Pantry Closet
  • Level: Main

Living Room

  • Features: Deck Attached,View
  • Level: Main

Master Bedroom

  • Level: Lower

Property

Accessibility

  • Accessibility features: Accessible Elevator Installed

Details

  • Parcel number: 06023105
  • Special condition: Standard

Features

  • Stories: 3
  • Pool features: In Ground
  • Patio & porch: Deck
  • Has spa: Yes
  • Spa features: Bath
  • Fencing: Fenced
  • Has view: Yes
  • View description: Bay,Bay Bridge,City Lights,Golden Gate Bridge,Marina,Mountain(s),Mt Tamalpais,Panoramic,San Francisco,Water
  • Has water view: Yes
  • Water view: Bay,Marina,Water

Lot

  • Lot size: 0.67 Acres
  • Features: Garden

Parking

  • Total spaces: 3
  • Parking features: Enclosed,Garage Door Opener,Garage Faces Front
  • Has garage: Yes
  • Attached garage spaces: 3
  • Covered 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 $100,524$1,206,288
Home Insurance *$2,502$30,024
Property Taxes $18,973$227,676
Electricity $1,743$20,923
Total$123,742$1,484,904
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$4,242,582/yr
40% on housing$3,712,260/yr
45% on housing$3,299,786/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

$2,445This listing

vs Other Active Listings

Avg $/sqft

ZIP 94920$1,702
Marin County$769

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
2026-04-16Price change$19,880,000
2026-02-09Listed for sale$22,888,000
2026-01-01Listing removed$22,888,000
2024-02-20Listed for sale$22,888,000
2024-01-18Listing removed$28,880,000
2023-04-11Price change$28,880,000
2022-05-27Listed for sale$31,000,000
2008-08-08Sold$16,500,000
2007-08-23Sold$15,500,000
1996-07-08Sold$1,500,000

For Sale by Agent

AgentOlivia Hsu Decker
BrokerageGolden Gate Sotheby's

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