17725 Rockhurst Rd is a 1,424 square foot house on a 8,540 square foot lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,061,710.
Single-familyProperty Type
1961Year Built
8,540 sq ftLot Size
$746Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,061,710
$9,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12.6% lower than the average sale price ($1.22M) of 5 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
$2,427 (+2.9%)
$60,563 + $78,473
$139,036
2024
$2,359 (+2.6%)
$60,563 + $78,473
$139,036
2023
$2,299 (+2.8%)
$59,376 + $76,934
$136,310
2022
$2,235 (+3.0%)
$57,070 + $73,947
$131,017
2021
$2,171 (+2.5%)
$57,070 + $73,947
$131,017
2020
$2,118 (−1.2%)
$55,951 + $72,497
$128,448
2019
$2,143 (+3.1%)
$55,378 + $71,754
$127,132
2018
$2,080 (+2.9%)
$54,292 + $70,347
$124,639
2017
$2,021 (+5.2%)
$52,184 + $67,615
$119,799
2016
$1,922 (+7.0%)
$52,184 + $67,615
$119,799
2015
$1,796 (+2.7%)
$51,160 + $66,290
$117,450
2014
$1,748 (+2.1%)
$49,405 + $64,015
$113,420
2013
$1,712 (+2.7%)
$49,405 + $64,015
$113,420
2012
$1,667 (+1.6%)
$49,182 + $63,726
$112,908
2011
$1,642 (+0.9%)
$48,218 + $62,477
$110,695
2010
$1,626 (+0.3%)
$47,273 + $61,252
$108,525
2009
$1,622 (+5.8%)
$46,919 + $60,795
$107,714
2008
$1,533
$47,031 + $60,939
$107,970
Tax history for 17725 Rockhurst Rd
Year
Property tax
Land + Additions
Assessment*
2025
$2,427 (+2.9%)
$60,563 + $78,473
$139,036
2024
$2,359 (+2.6%)
$60,563 + $78,473
$139,036
2023
$2,299 (+2.8%)
$59,376 + $76,934
$136,310
2022
$2,235 (+3.0%)
$57,070 + $73,947
$131,017
2021
$2,171 (+2.5%)
$57,070 + $73,947
$131,017
2020
$2,118 (−1.2%)
$55,951 + $72,497
$128,448
2019
$2,143 (+3.1%)
$55,378 + $71,754
$127,132
2018
$2,080 (+2.9%)
$54,292 + $70,347
$124,639
2017
$2,021 (+5.2%)
$52,184 + $67,615
$119,799
2016
$1,922 (+7.0%)
$52,184 + $67,615
$119,799
2015
$1,796 (+2.7%)
$51,160 + $66,290
$117,450
2014
$1,748 (+2.1%)
$49,405 + $64,015
$113,420
2013
$1,712 (+2.7%)
$49,405 + $64,015
$113,420
2012
$1,667 (+1.6%)
$49,182 + $63,726
$112,908
2011
$1,642 (+0.9%)
$48,218 + $62,477
$110,695
2010
$1,626 (+0.3%)
$47,273 + $61,252
$108,525
2009
$1,622 (+5.8%)
$46,919 + $60,795
$107,714
2008
$1,533
$47,031 + $60,939
$107,970
*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
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
Nov 14, 2025 • Final
Building
Replace a furnace with a similar unit.
HVAC
Sep 12, 2007 • Final
Building
Tear off existing roofing and install new OSB and Class A composition shingles.
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
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Good
Property Information
Living Sq. Ft: 1,424
Building Sq. Ft: 1,424
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,540
Legal Lot Number: 3
Legal Block Number: D
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1961
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,424
Stories: 1.0
Lot Size: 8,540 square feet
Style: Single Family Residential
Year Built: 1961
Year Renovated: 1962
County: Alameda County
APN: 084C092107500
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.3mi
9/10
Canyon Middle School
Public 6-8 • Assigned • 1.1mi
7/10
Castro Valley High School
Public 9-12 • Assigned • 0.9mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...