215 Round Hill Rd is a 3,894 square foot house on a 0.61 acre lot with 5 bedrooms and 5 bathrooms. - it last sold on May 23, 2017 for $3,375,000. Based on Redfin's Tiburon data, we estimate the home's value is $4,896,406.
Single-familyProperty Type
1967Year Built
0.61 acresLot Size
$1,257Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$4,896,406
$1.5M since sold in May 2017$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.3% lower than the average sale price ($5.22M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
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
Jun 9, 2025 • Final
Building residential
Remove and replace four decks.
Remodel
Oct 24, 2024 • Final
Misc electrical
Install an electric vehicle charger in a garage.
Electrical
Ev charger
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
Interior
Basement Information
Basement Sq. Ft: 263
Basement Type: Unfinished
Heating & Cooling
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Excellent
Property Information
Subdivision Name: MOUNT TIBURON #1
Living Sq. Ft: 3,894
Building Sq. Ft: 4,157
# of Units: 1
Legal Description: LOT 9
Parking & Garage Information
Garage/Parking Sq. Ft: 575
Lot Information
# of Buildings: 1
Land Sq. Ft: 26,700
Legal Lot Number: 9
Municipality Name: TIBURON
Acres: 0.6129
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: TIBURON
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 3,894
Stories: —
Lot Size: 0.61 acres
Style: Single Family Residential
Year Built: 1967
Year Renovated: 1993
County: Marin County
APN: 058-111-14
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Reed Elementary School
Public K-2 • Assigned • 0.4mi
Del Mar Middle School
Public 6-8 • Assigned • 0.9mi
10/10
Redwood High School
Public 9-12 • Assigned • 4.7mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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, 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)
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48
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62
51
66
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64
55
70
57
70
57
70
57
61
51
56
48
Jan
Feb
Mar
Apr
May
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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
$4.65M – $5.63M
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