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36 Old Landing Road

Tiburon, CA 94920
  • $17,500,000
  • STATUS: Pending
  • ON SITE: 27 Days
  • ID#: 326070321
Pending
UPDATED: 196 min ago
$17,500,000
  • 5
    BEDS
  • 5.34
    ACRES
  • 4
    BATHS
  • 1
    1/2 BATHS
  • 6,721
    SQFT
  • $2,604
    $/SQFT
Neighborhood:
Type:
Single-Family Home
Built:
2006
County:
Area:

School Ratings & Info

Description

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.

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Bay East ©2024. CCAR ©2024. bridgeMLS ©2024. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated: 2026-10-08T23:57:01.85.
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36 Old Landing Road Tiburon, CA 94920

  • Price: $17,500,000
  • Status: Pending
  • On Site: 27 Days
  • Updated: 196 min ago
  • ID#: 326070321
5
Beds
4
Baths
1
½ Baths
5.34
Acres
6,721
SQFT
$2,604
$/SQFT
2006
Built
Neighborhood:
Tiburon
County:
Marin
Area:
Tiburon
Property Description
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.
Exterior Features

Architectural Style Modern/High Tech Carport Spaces 0 Exterior Features Uncovered Courtyard Fencing Entry GateFencedFront YardPartialWood Levels One Lot Features Auto Sprinkler F&RCul-De-SacDead EndGardenGreenbeltLandscape BackLandscape FrontLandscape MiscNavigable WaterwayPrivateOther Open Parking Spaces 7 Parking Features AttachedGarage Facing FrontGuest Parking AvailableSide-by-SideUncovered Parking Spaces 2+ Parking Total 10 Patio And Porch Features Covered DeckEnclosed PatioUncovered DeckUncovered Patio Roof BitumenMetal View BayBridgesCityCity LightsGarden/GreenbeltHillsPanoramicRidgeWater

Interior Features

2nd Unit Approx Sq Ft 0 Appliances Built-In Electric OvenBuilt-In Gas RangeBuilt-In RefrigeratorDishwasherDisposalGas Cook TopGas Water HeaterHood Over RangeMicrowave Basement None Cooling Whole House Fan Fireplace Features Gas StarterLiving Room Fireplaces Total 1 Flooring CorkTile Heating Radiant Floor Interior Features Formal EntryOpen Beam CeilingStorage Area(s) Laundry Features CabinetsDryer IncludedGround FloorInside RoomSinkSpace For Frzr/RefrWasher Included Main Level Bedroom(s)Dining RoomFamily RoomFull Bath(s)GarageKitchenLiving RoomPrimary BedroomPartial Bath(s)RetreatStreet Entrance Room Baths Other Features ClosetOutside AccessRadiant HeatTileTub w/Shower OverWindow Room Dining Room Features Dining/Living ComboFormal Area Room Family Room Features View Room Kitchen Features Butlers PantryIsland w/SinkPantry CabinetPantry ClosetQuartz CounterSkylight(s) Room Living Room Features Cathedral/VaultedDeck AttachedGreat RoomOpen Beam CeilingView Room Master Bathroom Features ClosetRadiant HeatShower Stall(s)SteamTileTubWalk-In ClosetWindow Room Master Bedroom Features Ground FloorOutside AccessWalk-In Closet Room Type Baths OtherFamily RoomGreat RoomGuest QuartersKitchenLaundryLiving RoomPrimary BathroomPrimary Bedroom 2+Office Rooms Total 0

Property Features

ADU2nd Unit No Association Fee 0 Association YN No Green Energy Efficient Construction Horse YN No Pool Private YN No Property Condition Updated/Remodeled Property Sub Type Single Family Residence Security Features Carbon Mon DetectorDouble Strapped Water HeaterFire AlarmFire Suppression SystemSecurity FenceSecurity GateSmoke DetectorVideo System Senior Community YN No Sewer Public Sewer Spa Features Spa/Hot Tub Built-In Spa YN Yes Subtype Description Detached Utilities Cable AvailableInternet AvailablePublicSolar Water Source PublicWater District

Listing information © 2026 Bay Area Real Estate Information Services. Listing courtesy of Stephanie Lamarre of Golden Gate Sotheby's International Realty: .


Bay East ©2024. CCAR ©2024. bridgeMLS ©2024. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated: 2026-10-08T23:57:01.85.
 
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