Pre-purchase opportunity with a target completion in April 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.
Single-familyProperty Type
1970Year Built
0.95 acresLot Size
$2,999Price/Sq.Ft.
2 garage spacesParking
Listed by Susan Hewitt•DRE #00996144• Golden Gate Sotheby's International Realty
•415-407-8349 (agent)
•team@TheGoldenGateGroup.com (agent)
Listed by C.J. Nakagawa•DRE #01913564• Golden Gate Sotheby's International Realty
The RO zone is intended to promote and encourage the maintenance of a suitable environment for low-density, single-family development on lots larger than those typically found in the R-1 zone.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Senior
Housing-Other
Park & open space
Jul 24, 2027 • Active
Building residential
Remodel
May 7, 2013 • Final
Bpa
Replace the electrical service panel.
Electrical
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
7 days above 79° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
13 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Tiburon, CA • 94920
Average low and high temperatures (°F)
59
48
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49
65
52
62
51
66
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66
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64
55
70
57
70
57
70
57
61
51
56
48
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
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Dec
Sun exposure
86/ 100
Very good sunlight
Sunscore
This home ranks in the top 24% for direct sun exposure in the zip code. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
8.4 hrs
5.9 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 81 Mount Tiburon Rd
$12,746,297
$754K under list price of $13.5M
Nearby comparable homes
The Redfin Estimate uses 5 recent nearby sales, priced between $4.6M to $11.3M.