2646 Derby Dr is a 2,437 square foot house on a 8,500 square foot lot with 4 bedrooms and 3 bathrooms. Based on Redfin's San Ramon data, we estimate the home's value is $1,628,119.
Single-familyProperty Type
1986Year Built
8,500 sq ftLot Size
$668Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,628,119
$41K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.6% lower than the average sale price ($1.82M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$6,632 (+2.2%)
$143,364 + $401,162
$544,526
2024
$6,487 (+1.8%)
$140,553 + $393,297
$533,850
2023
$6,370 (+0.8%)
$137,798 + $385,586
$523,384
2022
$6,320 (+2.4%)
$135,097 + $378,026
$513,123
2021
$6,174 (+1.5%)
$132,449 + $370,614
$503,063
2020
$6,083 (+1.1%)
$129,852 + $363,348
$493,200
2019
$6,018 (+4.0%)
$128,521 + $359,623
$488,144
2018
$5,788 (+4.0%)
$126,001 + $352,572
$478,573
2017
$5,567 (+1.6%)
$121,109 + $338,882
$459,991
2016
$5,479 (−1.1%)
$121,109 + $338,882
$459,991
2015
$5,539 (+1.6%)
$118,735 + $332,238
$450,973
2014
$5,451 (+1.5%)
$114,662 + $320,838
$435,500
2013
$5,372 (+3.3%)
$114,662 + $320,838
$435,500
2012
$5,203 (+2.2%)
$114,144 + $319,388
$433,532
2011
$5,093 (+1.5%)
$111,906 + $313,126
$425,032
2010
$5,017
$109,712 + $306,987
$416,699
2009
$5,021 (+3.8%)
$108,893 + $304,693
$413,586
2008
$4,836
$109,152 + $305,417
$414,569
Tax history for 2646 Derby Dr
Year
Property tax
Land + Additions
Assessment*
2025
$6,632 (+2.2%)
$143,364 + $401,162
$544,526
2024
$6,487 (+1.8%)
$140,553 + $393,297
$533,850
2023
$6,370 (+0.8%)
$137,798 + $385,586
$523,384
2022
$6,320 (+2.4%)
$135,097 + $378,026
$513,123
2021
$6,174 (+1.5%)
$132,449 + $370,614
$503,063
2020
$6,083 (+1.1%)
$129,852 + $363,348
$493,200
2019
$6,018 (+4.0%)
$128,521 + $359,623
$488,144
2018
$5,788 (+4.0%)
$126,001 + $352,572
$478,573
2017
$5,567 (+1.6%)
$121,109 + $338,882
$459,991
2016
$5,479 (−1.1%)
$121,109 + $338,882
$459,991
2015
$5,539 (+1.6%)
$118,735 + $332,238
$450,973
2014
$5,451 (+1.5%)
$114,662 + $320,838
$435,500
2013
$5,372 (+3.3%)
$114,662 + $320,838
$435,500
2012
$5,203 (+2.2%)
$114,144 + $319,388
$433,532
2011
$5,093 (+1.5%)
$111,906 + $313,126
$425,032
2010
$5,017
$109,712 + $306,987
$416,699
2009
$5,021 (+3.8%)
$108,893 + $304,693
$413,586
2008
$4,836
$109,152 + $305,417
$414,569
*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
RS-10
Single-Family Residential Zone
The RS zone is applied to areas of the City appropriate for single-family residential land uses in neighborhoods at a density of three to six units per net acre, subject to appropriate standards. The specific allowable density for each parcel is shown on the Zoning Map by a numerical suffix residential density designator (see Section D2-8). Minimum lot size for new parcels ranges from 3,500 to 12,000 sq ft. Depending upon the applicable residential density designator, the RS zone is consistent with and implements the Single Family Low Density, Single Family Low-Medium Density, and Single Family Medium Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Jan 30, 2010 • Final
Building/residential/rp/repair
Remodel
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
Room Information
# of Rooms: 10
Exterior
Property Information
Living Sq. Ft: 2,437
Ground Floor Sq. Ft: 1,383
Building Sq. Ft: 2,437
# of Stories: 2
Legal Description: T05816 L0074 B
Parking & Garage Information
Garage/Parking Sq. Ft: 675
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,500
Legal Lot Number: 74
Acres: 0.1951
County Use Description: SINGLE FAMILY DETACHED WITH MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,437
Stories: 2.0
Lot Size: 8,500 square feet
Style: Single Family Residential
Year Built: 1986
Year Renovated: 1990
County: Contra Costa County
APN: 2097420232
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Bollinger Canyon Elementary School
Public K-5 • Assigned • 0.7mi
10/10
Iron Horse Middle School
Public 6-8 • Assigned • 1.6mi
10/10
California High School
Public 9-12 • Assigned • 2.1mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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