18793 Sandy Rd is a 1,948 square foot house on a 7,446 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,136,196.
Single-familyProperty Type
1952Year Built
7,446 sq ftLot Size
$583Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,136,196
$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.7% lower than the average sale price ($1.25M) 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
$2,678 (+2.8%)
$91,198 + $69,047
$160,245
2024
$2,604 (+2.5%)
$91,198 + $69,047
$160,245
2023
$2,541 (+2.7%)
$89,410 + $67,693
$157,103
2022
$2,473 (+2.9%)
$85,939 + $65,065
$151,004
2021
$2,403 (+2.5%)
$85,939 + $65,065
$151,004
2020
$2,345 (−1.3%)
$84,254 + $63,789
$148,043
2019
$2,375 (+3.0%)
$83,390 + $63,135
$146,525
2018
$2,305 (+2.9%)
$81,755 + $61,897
$143,652
2017
$2,241 (+5.2%)
$78,580 + $59,493
$138,073
2016
$2,130 (+7.0%)
$78,580 + $59,493
$138,073
2015
$1,991 (+2.5%)
$77,040 + $58,327
$135,367
2014
$1,942 (−10.6%)
$74,396 + $56,326
$130,722
2013
$2,171 (+16.9%)
$74,396 + $56,326
$130,722
2012
$1,857 (+1.5%)
$74,060 + $56,071
$130,131
2011
$1,829 (+0.9%)
$72,608 + $54,972
$127,580
2010
$1,812 (+0.2%)
$71,185 + $53,895
$125,080
2009
$1,809 (+5.4%)
$70,653 + $53,492
$124,145
2008
$1,716
$70,821 + $53,619
$124,440
Tax history for 18793 Sandy Rd
Year
Property tax
Land + Additions
Assessment*
2025
$2,678 (+2.8%)
$91,198 + $69,047
$160,245
2024
$2,604 (+2.5%)
$91,198 + $69,047
$160,245
2023
$2,541 (+2.7%)
$89,410 + $67,693
$157,103
2022
$2,473 (+2.9%)
$85,939 + $65,065
$151,004
2021
$2,403 (+2.5%)
$85,939 + $65,065
$151,004
2020
$2,345 (−1.3%)
$84,254 + $63,789
$148,043
2019
$2,375 (+3.0%)
$83,390 + $63,135
$146,525
2018
$2,305 (+2.9%)
$81,755 + $61,897
$143,652
2017
$2,241 (+5.2%)
$78,580 + $59,493
$138,073
2016
$2,130 (+7.0%)
$78,580 + $59,493
$138,073
2015
$1,991 (+2.5%)
$77,040 + $58,327
$135,367
2014
$1,942 (−10.6%)
$74,396 + $56,326
$130,722
2013
$2,171 (+16.9%)
$74,396 + $56,326
$130,722
2012
$1,857 (+1.5%)
$74,060 + $56,071
$130,131
2011
$1,829 (+0.9%)
$72,608 + $54,972
$127,580
2010
$1,812 (+0.2%)
$71,185 + $53,895
$125,080
2009
$1,809 (+5.4%)
$70,653 + $53,492
$124,145
2008
$1,716
$70,821 + $53,619
$124,440
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
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
Property details
Interior
Room Information
# of Rooms: 7
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,948
Building Sq. Ft: 1,948
# of Units: 1
# of Stories: 1.5
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,446
Legal Lot Number: 17
Legal Block Number: 4
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1709
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,948
Stories: 1.5
Lot Size: 7,446 square feet
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1959
County: Alameda County
APN: 084C086803200
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 • 0.8mi
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...