2609 Derby Dr is a 2,836 square foot house on a 0.35 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's San Ramon data, we estimate the home's value is $1,757,510.
Single-familyProperty Type
1986Year Built
0.35 acresLot Size
$620Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,757,510
$77K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.5% lower than the average sale price ($1.92M) 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
$7,131 (+2.2%)
$189,164 + $388,734
$577,898
2024
$6,978 (+1.8%)
$185,455 + $381,112
$566,567
2023
$6,856 (+0.8%)
$181,819 + $373,640
$555,459
2022
$6,803 (+2.3%)
$178,254 + $366,314
$544,568
2021
$6,651 (+1.4%)
$174,759 + $359,132
$533,891
2020
$6,558 (+1.1%)
$171,333 + $352,091
$523,424
2019
$6,489 (+3.9%)
$169,577 + $348,481
$518,058
2018
$6,247 (+3.9%)
$166,252 + $341,649
$507,901
2017
$6,015 (+1.5%)
$159,798 + $328,383
$488,181
2016
$5,924 (+1.5%)
$159,798 + $328,383
$488,181
2015
$5,837 (+1.6%)
$156,665 + $321,945
$478,610
2014
$5,746 (+1.4%)
$151,290 + $310,899
$462,189
2013
$5,664 (+3.2%)
$151,290 + $310,899
$462,189
2012
$5,487 (+2.1%)
$150,607 + $309,494
$460,101
2011
$5,372 (+1.5%)
$147,654 + $303,426
$451,080
2010
$5,293
$144,759 + $297,477
$442,236
2009
$5,298 (+3.8%)
$143,678 + $295,254
$438,932
2008
$5,105
$144,020 + $295,956
$439,976
Tax history for 2609 Derby Dr
Year
Property tax
Land + Additions
Assessment*
2025
$7,131 (+2.2%)
$189,164 + $388,734
$577,898
2024
$6,978 (+1.8%)
$185,455 + $381,112
$566,567
2023
$6,856 (+0.8%)
$181,819 + $373,640
$555,459
2022
$6,803 (+2.3%)
$178,254 + $366,314
$544,568
2021
$6,651 (+1.4%)
$174,759 + $359,132
$533,891
2020
$6,558 (+1.1%)
$171,333 + $352,091
$523,424
2019
$6,489 (+3.9%)
$169,577 + $348,481
$518,058
2018
$6,247 (+3.9%)
$166,252 + $341,649
$507,901
2017
$6,015 (+1.5%)
$159,798 + $328,383
$488,181
2016
$5,924 (+1.5%)
$159,798 + $328,383
$488,181
2015
$5,837 (+1.6%)
$156,665 + $321,945
$478,610
2014
$5,746 (+1.4%)
$151,290 + $310,899
$462,189
2013
$5,664 (+3.2%)
$151,290 + $310,899
$462,189
2012
$5,487 (+2.1%)
$150,607 + $309,494
$460,101
2011
$5,372 (+1.5%)
$147,654 + $303,426
$451,080
2010
$5,293
$144,759 + $297,477
$442,236
2009
$5,298 (+3.8%)
$143,678 + $295,254
$438,932
2008
$5,105
$144,020 + $295,956
$439,976
*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 23, 2026 • Final
Water heater/softener - plumbing
Remove and replace a gas water heater in the garage with a similar unit in the same location.
Plumbing
Water heater
Dec 16, 2020 • Final
Photovoltaic - electrical
Electrical
Solar
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
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Raised Ranch
Building Construction Quality: Good
Exterior Wall: Stucco
Property Information
Living Sq. Ft: 2,836
Ground Floor Sq. Ft: 1,628
Building Sq. Ft: 2,836
# of Stories: 2
Legal Description: T05816 L0031 B
Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 578
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,190
Legal Lot Number: 31
Acres: 0.3487
County Use Description: SINGLE FAMILY DETACHED WITH MA
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,836
Stories: 2.0
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1986
Year Renovated: 1990
County: Contra Costa County
APN: 2097410134
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 • 1.7mi
10/10
California High School
Public 9-12 • Assigned • 2.2mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Ramon, Past 3 months,Median price $1.51M, down 4.5% YoY,Homes sold: 169 in July, up 1%,Days on market 20 days,Market Active but more balanced; slight seller advantage,Bottom line: Prices have softened, but homes are still selling relatively...