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$17,500,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 4 Full Baths
  • 1 Partial Bath
  • 6,721 Sq. Ft.
  • 3 Car Garage
  • Updated 3 days ago
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One of One. Rarely does a property combine architectural significance, extraordinary scale, and a true beachfront setting so effortlessly. Set directly on the San Francisco Bay in Tiburon, La Casa Dei Quattro Orizzonti (the House of the Four Horizons) is a remarkable 6,721 sq. ft., 5-bedroom, 5-bath modern estate offering exceptional privacy and seamless single-level living on a 5.33 acre mostly level lot that flows directly to the white sand beach and the Bay. Designed by noted Italian architect Andrea Ponsi, featured in numerous architectural and design publications, and built ground-up by Red Horse Constructors, the residence draws inspiration from California mid-century modernism. Conceived as four pavilions arranged around a serene interior garden courtyard, the home is defined by extraordinary scale, abundant natural light, strong architectural sight-lines and expansive, retracting walls of glass that create a continuous connection between indoors and out. The thoughtful design provides exceptional separation between grand scale public living spaces, the private primary wing, guest accommodations, and functional spaces including a 3-car garage. An art collector's dream, the public areas incorporate extensive gallery space while maintaining an open, light-filled environment for everyday living and entertaining. Distinctive design details enhance the spaces, including copper accents, custom lighting, vaulted ceilings, and modern Italian cabinetry. A dramatic central axis draws the eye from the entry through the home to the water, while expansive terraces and decks step gently toward the shoreline, where water activities, a spa, and the beach beckon. The gardens abound - from an orchard garden at the entry and a private Japanese garden adjoining the primary wing to flower and herb gardens and the native landscape along the Bay. Conceived in harmony with its exceptional setting, the eco-friendly home incorporates passive solar strategies, natural ventilation, photovoltaic solar and environmentally conscious materials, including ipe wood-slat ventilated exterior walls, copper roofing, and solar glass canopies. Private yet remarkably accessible, this is a singular Tiburon beachfront estate: an exceptional convergence of significant architecture, sustainable design, single-level living and an intimate connection to the San Francisco Bay.

Full Property Details for 36 Old Landing Rd

General

  • Price: $17,500,000
  • Status: Active
  • Type: Single Family
  • Source: BAREIS
  • MLS ID: 326070321
  • Updated: 9/11/2026
  • Added to Site: 5 day(s) ago

Interior

  • Rooms/Areas: Baths Other, Family Room, Great Room, Guest Quarters, Kitchen, Laundry, Living Room, Primary Bathroom, Primary Bedroom 2+, Office
  • Interior Features: Formal Entry, Beamed Ceiling, Storage Area(s)
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Fireplace(s): Gas Starter, Living Room
  • Appliances: Built-In Electric Oven, Built-In Gas Range, Built-In Refrigerator, Dishwasher, Disposal, Gas Cook Top, Gas Water Heater, Hood Over Range, Microwave
  • Flooring: Cork, Tile

Rooms

Bathrooms

  • Total Bathrooms: 5
  • Full Bathrooms: 4
  • Half Bathrooms: 1
  • Bathroom Features: Closet, Outside Access, Radiant Heat, Tile, Tub w/Shower Over, Window

Bedrooms

  • Total Bedrooms: 5
  • Primary Bedroom: Ground Floor, Outside Access, Walk-In Closet

Other Rooms

  • Living Room: Cathedral/Vaulted, Deck Attached, Great Room, Open Beam Ceiling, View
  • Family Room: View
  • Kitchen: Butlers Pantry, Island w/Sink, Pantry Cabinet, Pantry Closet, Quartz Counter, Skylight(s)
  • Dining Room: Dining/Living Combo, Formal Area
  • Laundry: Cabinets, Dryer Included, Ground Floor, Inside Room, Sink, Space For Frzr/Refr, Washer Included

Additional Information

  • Security/Safety: Carbon Mon Detector, Double Strapped Water Heater, Fire Alarm, Fire Suppression System, Security Fence, Security Gate, Smoke Detector, Video System

Exterior

  • Exterior Features: Uncovered Courtyard

Parking

  • Garage: Yes
  • Garage Spaces: 3
  • Garage Description: Attached, Garage Facing Front, Guest Parking Available, Side-by-Side, Uncovered Parking Spaces 2+

Location

  • Cross Streets: Paradise Drive
  • Driving Directions: Paradise Drive to Old Landing Rd. 36 is at the very end and there is a gate.

School Information

  • School District: Marin
  • Elementary School: Reed Union
  • Middle School: Reed Union
  • High School: Tamalpais Union

Heating & Cooling

  • Cooling Type: Whole House Fan
  • Heating Type: Radiant Floor

Utilities

  • Sewer: Public Sewer
  • Water: Public, Water District
  • Utility Description: Cable TV Available, Internet Available, Public, Solar

Structural Information

  • Architectural Style: Modern/High Tech
  • Roof: Bitumen, Metal
  • Stories/Levels: 1
  • Square Feet: 6,721
  • Sq. Ft. Source: Graphic Artist
  • Year Built: 2006

Lot Features

  • Property View: Bay, Bridges, City, City Lights, Garden/Greenbelt, Hills, Panoramic, Ridge, Water
  • Lot Size (Acres): 5.3394
  • Lot Size (Sq. Ft.): 232,584
  • Lot Description: Auto Sprinkler F&R, Cul-De-Sac, Dead End, Garden, Greenbelt, Landscape Back, Landscape Front, Landscape Misc, Navigable Waterway, Private, Other
  • Fencing (Description): Entry Gate, Fenced, Front Yard, Partial, Wood

Disclosures and Reports

  • Special Conditions: None

Listing provided by Golden Gate Sotheby's International Realty, Stephanie Lamarre

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Listing agent

— 36 Old Landing Rd —

  • Stephanie Lamarre

    Golden Gate Sotheby's International Realty

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 36 Old Landing Rd

School Districts:Reed Union Elementary School District, Tamalpais Union High School District
NameGradesDistance
Bel Aire Elementary School
277 Karen Way, Tiburon, CA 94920
3-51 mi
Reed Elementary School, Tiburon, CA
1199 Tiburon Boulevard, Tiburon, CA 94920
K-21.8 mi
Del Mar Middle School
105 Avenida Miraflores, Tiburon, CA 94920
6-80.9 mi
Redwood High School
395 Doherty Drive, Larkspur, CA 94939
9-123.3 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Tax History for 36 Old Landing Rd

Year
Property Taxes
Change
Tax Assessment
Change
2025
$98,909
—
$8,979,408
2%
2025
$98,909
4%
$8,803,371
2%
2024
$95,227
2%
$8,630,813
2%
2023
$93,641
1%
$8,461,604
2%
2022
$92,504
2%
$8,295,743
2%
2021
$91,065
—
$8,133,101
1%
2020
$90,957
1%
$8,049,743
2%
2019
$89,878
1%
$7,891,959
2%
2018
$88,708
1%
$7,737,261
2%
2017
$87,473
4%
$7,585,585
2%
2016
$83,884
—
$7,436,895
2%
2015
$84,253
3%
$7,325,238
2%
2014
$81,601
—
$7,181,800
—
2013
$81,606
—
$7,149,397
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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NMLS#: 1598647

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Listing provided by Golden Gate Sotheby's International Realty, Stephanie Lamarre

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36 Old Landing Road, Tiburon, CA 94920 (MLS# 326070321) is a Single Family property with 5 bedrooms, 4 full bathrooms and 1 partial bathroom. 36 Old Landing Road is currently listed for $17,500,000 and was received on September 10, 2026. Want to learn more about 36 Old Landing Road? Do you have questions about finding other Single Family real estate for sale in Tiburon? You can browse all Tiburon real estate or contact a Coldwell Banker agent to request more information.

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