17712 Rockhurst Rd is a 1,443 square foot house on a 7,875 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on July 17, 1997 for $226,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,121,741.
Single-familyProperty Type
1961Year Built
7,875 sq ftLot Size
$777Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,121,741
$896K since sold in July 1997$28K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.4% lower than the average sale price ($1.21M) of 5 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #27595669
Jun 13, 1997
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2025
$6,761 (+2.4%)
$180,656 + $335,730
$516,386
2024
$6,604 (+1.8%)
$177,114 + $329,148
$506,262
2023
$6,489 (+2.1%)
$173,642 + $322,695
$496,337
2022
$6,356 (+2.7%)
$166,901 + $310,168
$477,069
2021
$6,190 (+2.4%)
$166,901 + $310,168
$477,069
2020
$6,048 (−1.7%)
$163,630 + $304,088
$467,718
2019
$6,153 (+2.9%)
$161,953 + $300,972
$462,925
2018
$5,978 (+2.7%)
$158,778 + $295,072
$453,850
2017
$5,819 (+5.1%)
$152,614 + $283,617
$436,231
2016
$5,536 (+7.0%)
$152,614 + $283,617
$436,231
2015
$5,174 (+1.4%)
$149,623 + $278,057
$427,680
2014
$5,103 (+0.9%)
$144,490 + $268,518
$413,008
2013
$5,058 (+2.1%)
$144,490 + $268,518
$413,008
2012
$4,953 (+1.4%)
$143,838 + $267,307
$411,145
2011
$4,885 (+0.7%)
$141,018 + $262,066
$403,084
2010
$4,850 (−0.4%)
$138,254 + $256,929
$395,183
2009
$4,868 (+3.5%)
$137,221 + $255,011
$392,232
2008
$4,704
$137,548 + $255,618
$393,166
Tax history for 17712 Rockhurst Rd
Year
Property tax
Land + Additions
Assessment*
2025
$6,761 (+2.4%)
$180,656 + $335,730
$516,386
2024
$6,604 (+1.8%)
$177,114 + $329,148
$506,262
2023
$6,489 (+2.1%)
$173,642 + $322,695
$496,337
2022
$6,356 (+2.7%)
$166,901 + $310,168
$477,069
2021
$6,190 (+2.4%)
$166,901 + $310,168
$477,069
2020
$6,048 (−1.7%)
$163,630 + $304,088
$467,718
2019
$6,153 (+2.9%)
$161,953 + $300,972
$462,925
2018
$5,978 (+2.7%)
$158,778 + $295,072
$453,850
2017
$5,819 (+5.1%)
$152,614 + $283,617
$436,231
2016
$5,536 (+7.0%)
$152,614 + $283,617
$436,231
2015
$5,174 (+1.4%)
$149,623 + $278,057
$427,680
2014
$5,103 (+0.9%)
$144,490 + $268,518
$413,008
2013
$5,058 (+2.1%)
$144,490 + $268,518
$413,008
2012
$4,953 (+1.4%)
$143,838 + $267,307
$411,145
2011
$4,885 (+0.7%)
$141,018 + $262,066
$403,084
2010
$4,850 (−0.4%)
$138,254 + $256,929
$395,183
2009
$4,868 (+3.5%)
$137,221 + $255,011
$392,232
2008
$4,704
$137,548 + $255,618
$393,166
*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
Jun 18, 2024 • Final
Building
Perform voluntary earthquake strengthening on a single-family home by upgrading the foundation attachment. Install anchor plates and clips in accordance with the standard plan set and building code.
Remodel
Oct 18, 2013 • Final
Building
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: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Good
Property Information
Living Sq. Ft: 1,443
Building Sq. Ft: 1,443
# of Units: 1
# of Stories: 1
Legal Description: TRACT 2124 BLK B LOT 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,875
Legal Lot Number: 2
Legal Block Number: B
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1808
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,443
Stories: 1.0
Lot Size: 7,875 square feet
Style: Single Family Residential
Year Built: 1961
Year Renovated: 1962
County: Alameda County
APN: 084C092102000
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
K - 12
Preschool & daycare
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 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...