17864 Rockhurst Rd is a 3,056 square foot house on a 0.29 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,614,587.
Single-familyProperty Type
1960Year Built
0.29 acresLot Size
$528Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,614,587
$4,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.3% higher than the average sale price ($1.49M) 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
$3,806 (+2.6%)
$54,182 + $201,634
$255,816
2024
$3,709 (+2.1%)
$54,182 + $201,634
$255,816
2023
$3,631 (+2.4%)
$53,119 + $197,681
$250,800
2022
$3,546 (+2.8%)
$51,057 + $190,006
$241,063
2021
$3,449 (+2.4%)
$51,057 + $190,006
$241,063
2020
$3,367 (−1.5%)
$50,056 + $186,280
$236,336
2019
$3,418 (+3.0%)
$49,543 + $184,370
$233,913
2018
$3,319 (+2.8%)
$48,571 + $180,756
$229,327
2017
$3,229 (+5.1%)
$46,685 + $173,738
$220,423
2016
$3,071 (+7.0%)
$46,685 + $173,738
$220,423
2015
$2,870 (+2.0%)
$45,770 + $170,332
$216,102
2014
$2,815 (+1.4%)
$44,199 + $164,488
$208,687
2013
$2,776 (+2.4%)
$44,199 + $164,488
$208,687
2012
$2,712 (+1.5%)
$44,000 + $163,745
$207,745
2011
$2,673 (+0.8%)
$43,137 + $160,535
$203,672
2010
$2,651 (−0.1%)
$42,291 + $157,387
$199,678
2009
$2,654 (+4.4%)
$41,975 + $156,211
$198,186
2008
$2,542
$42,075 + $156,583
$198,658
Tax history for 17864 Rockhurst Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,806 (+2.6%)
$54,182 + $201,634
$255,816
2024
$3,709 (+2.1%)
$54,182 + $201,634
$255,816
2023
$3,631 (+2.4%)
$53,119 + $197,681
$250,800
2022
$3,546 (+2.8%)
$51,057 + $190,006
$241,063
2021
$3,449 (+2.4%)
$51,057 + $190,006
$241,063
2020
$3,367 (−1.5%)
$50,056 + $186,280
$236,336
2019
$3,418 (+3.0%)
$49,543 + $184,370
$233,913
2018
$3,319 (+2.8%)
$48,571 + $180,756
$229,327
2017
$3,229 (+5.1%)
$46,685 + $173,738
$220,423
2016
$3,071 (+7.0%)
$46,685 + $173,738
$220,423
2015
$2,870 (+2.0%)
$45,770 + $170,332
$216,102
2014
$2,815 (+1.4%)
$44,199 + $164,488
$208,687
2013
$2,776 (+2.4%)
$44,199 + $164,488
$208,687
2012
$2,712 (+1.5%)
$44,000 + $163,745
$207,745
2011
$2,673 (+0.8%)
$43,137 + $160,535
$203,672
2010
$2,651 (−0.1%)
$42,291 + $157,387
$199,678
2009
$2,654 (+4.4%)
$41,975 + $156,211
$198,186
2008
$2,542
$42,075 + $156,583
$198,658
*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
Dec 26, 2019 • Final
Building
Install a roof-mounted solar photovoltaic system on a single-family home. Replace the existing roof with new composite shingles.
Electrical
Roofing
Solar
Jan 20, 2017 • Final
Building
Remove and replace existing water heaters in a residential building at the same location.
Plumbing
Water heater
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 Fuel Type: Gas
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Good
Exterior Wall: Stucco
Building Type: Detached
Pool Information
Has Pool
Property Information
Living Sq. Ft: 3,056
Building Sq. Ft: 3,056
# of Units: 1
# of Stories: 2
Legal Description: TRACT 2124 BLK 1 LOT 37
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Carport
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,533
Legal Lot Number: 37
Legal Block Number: 1
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.2877
Zoning Code: R-1
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 3,056
Stories: 2.0
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1960
Year Renovated: 1974
County: Alameda County
APN: 084C092105800
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.4mi
9/10
Canyon Middle School
Public 6-8 • Assigned • 1.0mi
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...