For sale Home

Listed Jun 19, 2026

$13,500,000 Est. $89,290/mo

81 Mount Tiburon Road

  • 5

    Beds

  • 5

    Baths

  • 4,501

    Sq ft

The story

  • Pool

Pre-purchase opportunity with a target completion in Summer 2027. Set atop nearly one private acre in prestigious Mount Tiburon, this extraordinary estate property offers panoramic views spanning the San Francisco skyline, Bay Bridge, Golden Gate Bridge, Angel Island, and Mt Tam. Currently undergoing a comprehensive transformation, the existing 3,599-square-foot residence is planned to expand to approximately 4,501 square feet, creating a spectacular contemporary estate designed to maximize the breathtaking setting. The proposed design includes five bedrooms, four full baths, one half bath, soaring living spaces, a luxurious primary suite, private guest accommodations, and seamless indoor-outdoor living. Planned resort-style grounds feature expansive entertaining areas, level lawns, pool, and exceptional privacy. Offered during construction with plans, engineering, and permitting in progress. Rare opportunity to secure one of Tiburon's most compelling future estates. Limited opportunity. Renderings and select images are architectural visualizations intended to illustrate the proposed design. Plans, specifications, and development details are available upon request.

Facts & features

Home type

Home

Year built

1970

Floors

2

Lot size

1 acres

Price per sq ft

$2,999

Parking

2-car garage

Included features

  • Pool

    Yes

  • Fireplace

    1 fireplace

  • Cooling

    Central

  • Heating

    Central

  • Lot Information

    Flag Lot, Greenbelt, Private

  • Water Source

    Water District

  • Sewer

    Public Sewer

Mortgage calculator

Estimated monthly payment

$89,290 /mo

7% rate · 30-yr fixed · 20% down

  • Principal & interest $71,853
  • Property tax $13,500
  • Insurance $3,938

Includes principal, interest, taxes & insurance.

Your Property Journey

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Listing Broker

Golden Gate Sotheby's International Realty

Broker Name

Golden Gate Sotheby's International Realty

Agent

Susan Hewitt

Phone

4649300

Location

Greenbrae 94904