---
listing_id: BA326053863
status: Active
price: 13500000
beds: 5
baths_full: 4
baths_half: 1
sqft_living: 4501
sqft_lot: 41578
lot_acres: 0.954
year_built: 1970
property_type: Residential
property_subtype: Single Family Residence
address: "81 Mount Tiburon Rd"
city: Tiburon
state: CA
zip: 94920
county: "Marin County"
lat: 37.8893892
lng: -122.4664233
days_on_market: 4
hoa_fee: 
hoa_frequency: 
garage_spaces: 2
list_agent: "Susan Hewitt"
list_office: "Golden Gate Sotheby's International Realty"
list_agent_phone: "(415) 407-8349"
list_agent_license: 00996144
mls_source: REBAREIS
modified: 2026-06-22
transaction_type: buy
---

Home | Marin County | Tiburon | 94920 | 81 Mount Tiburon Rd

81 Mount Tiburon Rd, Tiburon, CA 94920

MLS: BA326053863 | Status: Active | Price: $13,500,000
Beds/Baths: 5 / 4 /1
Property Type: Residential

Quick Facts

Beds Baths Sq Ft Acres Lot Yr Built
5 4 /1 4,501 0.954 1970

Remarks

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.

MLS Listing Information

Field Value
MLS # BA326053863
MLS Source Bay Area Real Estate Information Services, Inc.
Days on Site 4

Features

Interior Features

Feature Details
Fireplace Gas Piped
Laundry In Laundry Room
Cooling Central Forced Air
Heating Central Forced Air

Exterior Features

Feature Details
Pool In Ground, Pool - Yes

Parking, School, and Other Information

Feature Details
Garage/Parking Facing Front, Garage: 2 Car(s)
Sewer Public Sewer

Contact Information

Listing Agent Co-Listing Agent
Susan Hewitt Christopher Nakagawa
Golden Gate Sotheby's International Realty Golden Gate Sotheby's International Realty
License #: 00996144 License #: 01913564
Phone: (415) 407-8349 Phone: (415) 407-2151

Property Units

# Buildings # Leased Units # Total Units
0

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
Reed Elementary School public KG,1,2 0.54 mi N/A
Del Mar Middle School public 6-8 0.89 mi 10
Bel Aire Elementary School public 3,4,5 1.91 mi 10
Strawberry Point Elementary School public K-5 2.13 mi 10
The Cove School public K-5 2.78 mi 10
Dr. Martin Luther King Jr. Academy public K-8 2.83 mi 7
Tamalpais High School public 9-12 3.28 mi 10
Mill Valley Middle School public 6-8 3.43 mi 9
Edna Maguire Elementary School public K-5 3.46 mi 10
Tamalpais Valley Elementary School public K-5 3.49 mi 10
Park Elementary School public K-5 3.99 mi 10
Neil Cummins Elementary School public K-5 4.11 mi 10
San Andreas High (Continuation) School public 10-12 4.55 mi 2
Redwood High School public 9-12 4.58 mi 10
Tamalpais Adult/Community Education public UG 4.68 mi N/A
Tamiscal High (Alternative) School public 9-12 4.79 mi 8
Old Mill Elementary School public K-5 4.86 mi 10
Hall Middle School public 6-8 4.97 mi 9

Nearby Homes

Address Price Beds Baths Sq Ft Status
608 Seminary Dr $12,000,000 5 4/2 6,403 Active
616 Ridge Rd $11,495,000 6 5/1 5,345 PendingDoNotShow
3680 Paradise Dr $12,000,000 5 6/2 7,230 Active
155 Porto Marino Dr $10,895,000 4 4/2 3,790 Active

Disclosures

©2026 Bay Area Real Estate Information Services, Inc. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from Bay Area Real Estate Information Services, Inc.

Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.

This listing information is up-to-date as of June 22, 2026. For the most current information, please contact Susan Hewitt, (415) 407-8349.