18822 Sandy Rd is a 2,207 square foot house on a 0.33 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,349,887.
Single-familyProperty Type
1947Year Built
0.33 acresLot Size
$612Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,349,887
$2,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.7% lower than the average sale price ($1.39M) 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
$2,615 (+2.8%)
$51,016 + $103,883
$154,899
2024
$2,542 (+2.5%)
$51,016 + $103,883
$154,899
2023
$2,480 (+2.7%)
$50,016 + $101,846
$151,862
2022
$2,413 (+2.9%)
$48,074 + $97,892
$145,966
2021
$2,344 (+2.5%)
$48,074 + $97,892
$145,966
2020
$2,288 (−1.2%)
$47,131 + $95,973
$143,104
2019
$2,317 (+3.0%)
$46,648 + $94,989
$141,637
2018
$2,248 (+2.9%)
$45,734 + $93,127
$138,861
2017
$2,186 (+5.2%)
$43,958 + $89,511
$133,469
2016
$2,078 (+7.0%)
$43,958 + $89,511
$133,469
2015
$1,942 (+2.6%)
$43,096 + $87,756
$130,852
2014
$1,893 (+2.0%)
$41,617 + $84,745
$126,362
2013
$1,857 (+2.6%)
$41,617 + $84,745
$126,362
2012
$1,809 (+1.5%)
$41,429 + $84,362
$125,791
2011
$1,782 (+0.9%)
$40,617 + $82,708
$123,325
2010
$1,766 (+2.4%)
$39,821 + $81,087
$120,908
2009
$1,724 (+5.6%)
$39,523 + $80,481
$120,004
2008
$1,633
$39,617 + $77,364
$116,981
Tax history for 18822 Sandy Rd
Year
Property tax
Land + Additions
Assessment*
2025
$2,615 (+2.8%)
$51,016 + $103,883
$154,899
2024
$2,542 (+2.5%)
$51,016 + $103,883
$154,899
2023
$2,480 (+2.7%)
$50,016 + $101,846
$151,862
2022
$2,413 (+2.9%)
$48,074 + $97,892
$145,966
2021
$2,344 (+2.5%)
$48,074 + $97,892
$145,966
2020
$2,288 (−1.2%)
$47,131 + $95,973
$143,104
2019
$2,317 (+3.0%)
$46,648 + $94,989
$141,637
2018
$2,248 (+2.9%)
$45,734 + $93,127
$138,861
2017
$2,186 (+5.2%)
$43,958 + $89,511
$133,469
2016
$2,078 (+7.0%)
$43,958 + $89,511
$133,469
2015
$1,942 (+2.6%)
$43,096 + $87,756
$130,852
2014
$1,893 (+2.0%)
$41,617 + $84,745
$126,362
2013
$1,857 (+2.6%)
$41,617 + $84,745
$126,362
2012
$1,809 (+1.5%)
$41,429 + $84,362
$125,791
2011
$1,782 (+0.9%)
$40,617 + $82,708
$123,325
2010
$1,766 (+2.4%)
$39,821 + $81,087
$120,908
2009
$1,724 (+5.6%)
$39,523 + $80,481
$120,004
2008
$1,633
$39,617 + $77,364
$116,981
*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
Aug 21, 2023 • Final
Building
Replace a furnace with a similar unit.
HVAC
Aug 9, 2022 • Final
Building
Install recessed lighting and switch legs in the living room, kitchen, and formal entry area.
Electrical
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: 9
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: U-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 2,207
Building Sq. Ft: 2,207
# of Units: 1
# of Stories: 2
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 14,550
Legal Lot Number: 3
Legal Block Number: C
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.334
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,207
Stories: 2.0
Lot Size: 0.33 acres
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1984
County: Alameda County
APN: 084C081500300
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.7mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.7mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.6mi
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...