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280 Round Hill Road, 
Tiburon, CA 94920

$15,250,000


9

Beds


7

Baths


7,489

Sq Ft


Single Family

Active

Listed by

Lily Garipova

Centermac Realty, Inc.

510-500-1180

Last updated:

November 3, 2026, 05:10 PM

MLS#

82065094ML

Source:

CA CLAW

About This Home

280 Round Hill Road

A trophy resort-style estate of three separate fully remodeled three structures, sitting on two parcels of approximately 1.69 level, usable acres on Round Hill in the Bel Aire neighborhood of Belvedere Tiburon: a 7,489 sqft main residence, a detached two-story guest house, and a pool house. The main residence places the entire main living level on one continuous floor, with San Francisco skyline, Golden Gate Bridge, and Bay Bridge views from the main living spaces and additional bedrooms below. Across the compound, ten rooms of flexible accommodation as suites, staff quarters, gym, office, or media room, nine bedrooms and six full baths and a half bath in the main house, plus more than 8,000 sqft of total living space, suited to multi-generational living within a single-family estate. Guest house, approximately 1,200 sqft, remodeled in 2023 with new HVAC and its own unobstructed San Francisco skyline and Golden Gate Bridge views. Tennis court, pool, spa, and pool house on level lawns: a built-in staycation. Six-car garage plus four-car carport for ten covered spaces, with generous guest parking. The second parcel provides lasting privacy and view protection. Minutes to downtown Tiburon and the Tiburon ferry, within the Reed Union School District.

Home Facts

Single Family

7 Baths

9 Bedrooms

Built in 1968

Price Summary

15,250,000

$2,036 per Sq. Ft.

MLS #:

82065094ML

Last Updated:

November 3, 2026, 05:10 PM

Added:

18 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

9

Bathrooms

Total Bathrooms:

7

Full Bathrooms:

6

Interior

Living Area:

7,489 Sq. Ft.


Structure

Structure

Year Built:

1968


Lot

Lot Size (Sq. Ft):

44,400


Finances & Disclosures

Finances

Price:

$15,250,000

Price per Sq. Ft:

$2,036 per Sq. Ft.

Source:CA CLAW
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Contact an Agent

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If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.