170 Castleton Ct is a 2,042 square foot house on a 5,795 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on May 13, 1987 for $215,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,531,842.
Single-familyProperty Type
1979Year Built
5,795 sq ftLot Size
$750Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,531,842
$1.3M since sold in May 1987$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.4% higher than the average sale price ($1.41M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40171248
Jul 1, 2006
Listing Removed
—
May 24, 2006
Listed
*
Public Records
May 13, 1987
Sold
$215,000
$105/sq ft
Public Records
Jun 17, 1983
Sold
$72,000
$35/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$5,617 (+2.2%)
$189,164 + $238,951
$428,115
2024
$5,496 (+1.8%)
$185,455 + $234,266
$419,721
2023
$5,397 (+0.8%)
$181,819 + $229,673
$411,492
2022
$5,356 (+2.3%)
$178,254 + $225,170
$403,424
2021
$5,235 (+1.6%)
$174,759 + $220,755
$395,514
2020
$5,150 (+1.0%)
$171,333 + $216,427
$387,760
2019
$5,099 (+3.8%)
$169,577 + $214,208
$383,785
2018
$4,910 (+3.9%)
$166,252 + $210,008
$376,260
2017
$4,727 (+1.7%)
$159,798 + $201,854
$361,652
2016
$4,650 (+1.6%)
$159,798 + $201,854
$361,652
2015
$4,577 (+1.7%)
$156,665 + $197,897
$354,562
2014
$4,501 (+1.6%)
$151,290 + $191,107
$342,397
2013
$4,431 (+3.3%)
$151,290 + $191,107
$342,397
2012
$4,290 (+2.2%)
$150,607 + $190,244
$340,851
2011
$4,197 (+1.6%)
$147,654 + $186,514
$334,168
2010
$4,130
$144,759 + $182,857
$327,616
2009
$4,134 (+4.0%)
$143,678 + $181,491
$325,169
2008
$3,975
$144,020 + $181,923
$325,943
Tax history for 170 Castleton Ct
Year
Property tax
Land + Additions
Assessment*
2025
$5,617 (+2.2%)
$189,164 + $238,951
$428,115
2024
$5,496 (+1.8%)
$185,455 + $234,266
$419,721
2023
$5,397 (+0.8%)
$181,819 + $229,673
$411,492
2022
$5,356 (+2.3%)
$178,254 + $225,170
$403,424
2021
$5,235 (+1.6%)
$174,759 + $220,755
$395,514
2020
$5,150 (+1.0%)
$171,333 + $216,427
$387,760
2019
$5,099 (+3.8%)
$169,577 + $214,208
$383,785
2018
$4,910 (+3.9%)
$166,252 + $210,008
$376,260
2017
$4,727 (+1.7%)
$159,798 + $201,854
$361,652
2016
$4,650 (+1.6%)
$159,798 + $201,854
$361,652
2015
$4,577 (+1.7%)
$156,665 + $197,897
$354,562
2014
$4,501 (+1.6%)
$151,290 + $191,107
$342,397
2013
$4,431 (+3.3%)
$151,290 + $191,107
$342,397
2012
$4,290 (+2.2%)
$150,607 + $190,244
$340,851
2011
$4,197 (+1.6%)
$147,654 + $186,514
$334,168
2010
$4,130
$144,759 + $182,857
$327,616
2009
$4,134 (+4.0%)
$143,678 + $181,491
$325,169
2008
$3,975
$144,020 + $181,923
$325,943
*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-6
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
Aug 10, 2023 • Final
Furnace a/c - mechanical (residential)
HVAC
Feb 20, 2019 • 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 Construction Quality: Average
Exterior Wall: Stucco
Property Information
Subdivision Name: SUBDIVISION 5360
Living Sq. Ft: 2,042
Ground Floor Sq. Ft: 1,190
Building Sq. Ft: 2,042
# of Stories: 2
Legal Description: T05360 L0017 B EX MR
Parking & Garage Information
Garage/Parking Sq. Ft: 430
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,795
Legal Lot Number: 17
Acres: 0.133
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: 3
Baths: 3.0
Sq. Ft.: 2,042
Stories: 2.0
Lot Size: 5,795 square feet
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1980
County: Contra Costa County
APN: 2095610024
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Bollinger Canyon Elementary School
Public K-5 • Assigned • 0.6mi
10/10
Iron Horse Middle School
Public 6-8 • Assigned • 1.0mi
10/10
California High School
Public 9-12 • Assigned • 2.2mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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