87 Round Hill Rd is a 2,183 square foot house on a 0.43 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on June 29, 2018 for $2,395,000. Based on Redfin's Tiburon data, we estimate the home's value is $3,477,500.
Single-familyProperty Type
1972Year Built
0.43 acresLot Size
$1,593Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$3,477,500
$1.1M since sold in June 2018$119K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 31.2% higher than the average sale price ($2.65M) of 3 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
Jan 29, 2027 • Active
Building residential
Remove and replace a deck, stairs, and flashing.
Remodel
Aug 23, 2025 • Final
Misc electrical
Upgrade 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.
Property details
Interior
Basement Information
Basement Sq. Ft: 303
Basement Type: Unfinished
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Foundation Type: Raised W/Crawlspace
Building Style Type: Contemporary
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Wood
Property Information
Subdivision Name: ALFRED J & VIRGINIA L CASELLA
Living Sq. Ft: 2,183
Building Sq. Ft: 2,486
# of Units: 1
# of Stories: 2
Legal Description: PARCEL MAPS 2 PG 32 2
Parking & Garage Information
# of Parking Spaces: 2
Garage/Parking Sq. Ft: 400
Lot Information
# of Buildings: 1
Land Sq. Ft: 18,522
Legal Lot Number: 3
Municipality Name: TIBURON
Acres: 0.4252
Zoning Code: R-1
County Use Description: 1 FAMILY RESID
Location Information
Parcel Location Influence: Woodland
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax Area: TIBURON
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,183
Stories: 2.0
Lot Size: 0.43 acres
Style: Single Family Residential
Year Built: 1972
Year Renovated: 1998
County: Marin County
APN: 058-301-05
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Reed Elementary School
Public K-2 • Assigned • 0.3mi
Del Mar Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Redwood High School
Public 9-12 • Assigned • 4.9mi
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
3/10 Heat Factor
8 days above 79° expected this year, 17 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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66
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64
55
70
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70
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70
57
61
51
56
48
Jan
Feb
Mar
Apr
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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
$3.30M – $4.00M
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