3172 Kerr St is a 1,698 square foot house on a 5,800 square foot lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,017,805.
Single-familyProperty Type
1956Year Built
5,800 sq ftLot Size
$599Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,017,805
$19K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.3% higher than the average sale price ($1.01M) 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
$2,177 (+3.0%)
$39,262 + $80,922
$120,184
2024
$2,114 (+2.8%)
$38,493 + $79,335
$117,828
2023
$2,057 (+3.0%)
$37,738 + $77,780
$115,518
2022
$1,997 (+3.0%)
$36,273 + $74,760
$111,033
2021
$1,939 (+2.5%)
$36,273 + $74,760
$111,033
2020
$1,891 (−1.1%)
$35,561 + $73,294
$108,855
2019
$1,912 (+3.1%)
$35,197 + $72,543
$107,740
2018
$1,855 (+2.9%)
$34,507 + $71,120
$105,627
2017
$1,802 (+5.2%)
$33,167 + $68,359
$101,526
2016
$1,713 (+7.0%)
$33,167 + $68,359
$101,526
2015
$1,601 (+3.0%)
$32,517 + $67,019
$99,536
2014
$1,554 (+2.3%)
$31,401 + $64,719
$96,120
2013
$1,519 (+2.8%)
$31,401 + $64,719
$96,120
2012
$1,478 (+1.6%)
$31,259 + $64,427
$95,686
2011
$1,454 (+1.0%)
$30,646 + $63,164
$93,810
2010
$1,440 (+0.4%)
$30,045 + $61,925
$91,970
2009
$1,434 (+6.2%)
$29,821 + $61,463
$91,284
2008
$1,350
$29,892 + $61,609
$91,501
Tax history for 3172 Kerr St
Year
Property tax
Land + Additions
Assessment*
2025
$2,177 (+3.0%)
$39,262 + $80,922
$120,184
2024
$2,114 (+2.8%)
$38,493 + $79,335
$117,828
2023
$2,057 (+3.0%)
$37,738 + $77,780
$115,518
2022
$1,997 (+3.0%)
$36,273 + $74,760
$111,033
2021
$1,939 (+2.5%)
$36,273 + $74,760
$111,033
2020
$1,891 (−1.1%)
$35,561 + $73,294
$108,855
2019
$1,912 (+3.1%)
$35,197 + $72,543
$107,740
2018
$1,855 (+2.9%)
$34,507 + $71,120
$105,627
2017
$1,802 (+5.2%)
$33,167 + $68,359
$101,526
2016
$1,713 (+7.0%)
$33,167 + $68,359
$101,526
2015
$1,601 (+3.0%)
$32,517 + $67,019
$99,536
2014
$1,554 (+2.3%)
$31,401 + $64,719
$96,120
2013
$1,519 (+2.8%)
$31,401 + $64,719
$96,120
2012
$1,478 (+1.6%)
$31,259 + $64,427
$95,686
2011
$1,454 (+1.0%)
$30,646 + $63,164
$93,810
2010
$1,440 (+0.4%)
$30,045 + $61,925
$91,970
2009
$1,434 (+6.2%)
$29,821 + $61,463
$91,284
2008
$1,350
$29,892 + $61,609
$91,501
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 22, 2025 • Final
Building
Install a roof-mounted solar photovoltaic system and a battery energy storage system. Upgrade the main electrical panel to 200 amps.
Battery
Electrical
Solar
May 6, 2025 • Final
Building
Tear off existing wood shingles and shakes to install a new asphalt shingle roof on a residential building. Install a new roof deck with oriented strand board.
Roofing
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: 8
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,698
Building Sq. Ft: 1,698
# of Units: 1
# of Stories: 1
Legal Description: TRACT 1604 BLK A LOT 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,800
Legal Lot Number: 1
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1331
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,698
Stories: 1.0
Lot Size: 5,800 square feet
Style: Single Family Residential
Year Built: 1956
Year Renovated: 1957
County: Alameda County
APN: 084A004005300
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Castro Valley Elementary School
Public K-5 • Assigned • 0.4mi
6/10
Creekside Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.8mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley remains a highly competitive market. On average, homes are selling for 103.7% of their asking price, with nearly 60% of properties closing above list price.
Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...