Opportunity is knocking - bring your contractors! This property offers beautiful water views of the Belvedere Lagoon, Corinthian Island, and even some city vistas. A huge lower basement with tall ceilings is accessible from the lower floor via the exterior side steps, offering exceptional potential for expansion or generous storage. Partially approved plans for a JADU add further flexibility. The property also features a separate two-car garage with additional storage below. Sold with approved plans for a full remodel, this is a rare opportunity to create a truly bespoke residence in a prime view location.
Single-familyProperty Type
1961Year Built
0.53 acresLot Size
$914Price/Sq.Ft.
2 garage spacesParking
Listed by Evoke Group Nead & Ott•DRE #01988110• Coldwell Banker Realty
Est. $7,326 per month, based on comparable rentals
Redfin agents who toured
Mid-century fixer with a great view of the lagoon and Corinthian Island. This home needs work but has lots of potential. It has 3 bedrooms and 1.5 bathrooms, sizable decks off the living room and bedrooms and hardwood floors throughout.
9 months ago• May not reflect the current state of the home
Whitney Lynn Fisher
Redfin Associate agent
Sale and tax history for 101 Round Hill Rd
Sale History
Tax History
Date
Event
Price
BAREIS #326008074
Mar 25, 2026
Sold
$1,499,000
$914/sq ft
Feb 26, 2026
Pending
—
Feb 2, 2026
Listed
$1,499,000
$914/sq ft
BAREIS #325099326
Nov 19, 2025
Listed
*
BAREIS #325015736
Mar 20, 2025
Sold
$1,200,000
$732/sq ft
Mar 6, 2025
Pending
—
Mar 3, 2025
Listed
$1,195,000
$729/sq ft
Opportunity is knocking! Bring your contractors. All systems seem to be in working order. Beautiful water views of Belvedere Lagoon, Corinithian Island and some city views. Down slope lot. Probate sale, Not Subject to Court Approval. Open floor plan/living area upstairs w/ deck and guest bath & free standing wood stove FP. 2/1 downstairs w/ deck and full bath and exposed framing. Huge lower basement with tall ceilings, accessible from the lower floor only and down side steps. Separate 2 car garage with storage below and opposite front door.
Year
Property tax
Land + Additions
Assessment*
2025
$16,054 (+293.6%)
$999,600 + $224,400
$1,224,000
2024
$4,079 (+9.4%)
$980,000 + $220,000
$1,200,000
2023
$3,728 (+10.3%)
$82,984 + $103,114
$186,098
2022
$3,379 (−13.4%)
$81,357 + $101,092
$182,449
2021
$3,900 (−10.0%)
$79,762 + $99,111
$178,873
2020
$4,336 (−0.6%)
$78,202 + $97,196
$175,398
2019
$4,361 (+7.3%)
$77,400 + $96,200
$173,600
2018
$4,065 (+1.3%)
$75,883 + $94,314
$170,197
2017
$4,012 (+2.9%)
$72,936 + $90,652
$163,588
2016
$3,899 (+0.5%)
$72,936 + $90,652
$163,588
2015
$3,881 (+2.9%)
$71,506 + $88,875
$160,381
2014
$3,773 (+7.2%)
$69,053 + $85,825
$154,878
2013
$3,521 (+4.4%)
$69,053 + $85,825
$154,878
2012
$3,372 (+4.5%)
$68,741 + $85,438
$154,179
2011
$3,228 (+4.6%)
$67,394 + $83,763
$151,157
2010
$3,087 (+4.8%)
$66,072 + $82,121
$148,193
2009
$2,947 (+2.2%)
$65,579 + $81,507
$147,086
2008
$2,883
$65,735 + $81,701
$147,436
Public record
Public record
Zoning
Permits
Beds
3
Baths
2
Stories
—
Lot width
—
Lot depth
—
Lot size
0.53 Acres
Year renovated
1962
Sq. Ft.
1,640
Year built
1961
Style
Single Family Residential
County
Marin County
APN
058-301-29
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
RO-2
Residential Open 2 Zone
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
Nov 6, 2026 • Active
Building residential
Remodel a bathroom and kitchen. Perform electrical, mechanical, and plumbing work.
Bathroom
Electrical
Kitchen
Plumbing
Remodel
Jun 15, 2022 • Final
Encroachment
Relocate the gas service line.
Gas
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.
Property details
Parking
Parking & Garage Information
Parking Total: 3
Parking Features: Detached, Garage Door Opener, Garage Facing Front
Garage Spaces: 2
Interior
Bathroom Information
# of Bathrooms (Total): 2
# of Bathrooms (Full): 1
# of Bathrooms (Partial): 1
Bedroom Information
# of Bedrooms (Total): 3
Heating & Cooling
Cooling: None
Heating: Central, Wood Stove
Interior Features
Fireplaces Total: 1
Fireplace Features: Free Standing, Wood Stove
Laundry Features: Other
# of Stories: 2
Room Information
Main Level: Kitchen, Living Room
Lower Level: Bedroom(s), Full Bath(s)
Exterior
Exterior Features
Allows Horses: No
Pool Information
Has Private Pool: No
Has Spa: No
Property Information
ADU 2nd Unit: No
Property Condition: Fixer
Property Type: Residential
Property Sub Type: Single Family Residence
Lot Information
Lot Size Square Feet: 23,021
Lot Size Acres: 0.5285
Lot Size Source: Assessor Auto-Fill
Lot Features: Other
Utilities
Utilities Information
Sewer: Public Sewer
Location
HOA Information
Association YN: No
Location Information
Area: Tiburon
Community Information
Senior Community: No
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,640
Stories: —
Lot Size: 0.53 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: 1962
County: Marin County
APN: 058-301-29
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Reed Elementary School
Public K-2 • Assigned • 0.2mi
Del Mar Middle School
Public 6-8 • Assigned • 1.1mi
10/10
Redwood High School
Public 9-12 • Assigned • 4.9mi
10/10
Provided by GreatSchools
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
3/10 Heat Factor
7 days above 79° expected this year, 16 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
60
49
65
52
62
51
66
53
66
53
64
55
70
57
70
57
70
57
61
51
56
48
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.8 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.8 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.95M – $2.37M
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