18600 Sheffield Rd is a 1,740 square foot house on a 0.27 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,126,477.
Single-familyProperty Type
1963Year Built
0.27 acresLot Size
$647Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,126,477
$4,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14% lower than the average sale price ($1.31M) 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
$3,776 (+2.6%)
$97,325 + $161,066
$258,391
2024
$3,680 (+2.1%)
$95,417 + $157,908
$253,325
2023
$3,603 (+2.4%)
$93,546 + $154,812
$248,358
2022
$3,518 (+2.8%)
$89,914 + $148,801
$238,715
2021
$3,422 (+2.4%)
$89,914 + $148,801
$238,715
2020
$3,341 (−1.5%)
$88,151 + $145,884
$234,035
2019
$3,391 (+3.0%)
$87,248 + $144,388
$231,636
2018
$3,293 (+2.8%)
$85,537 + $141,558
$227,095
2017
$3,203 (+5.2%)
$82,216 + $136,061
$218,277
2016
$3,046 (+7.0%)
$82,216 + $136,061
$218,277
2015
$2,847 (+2.0%)
$80,604 + $133,394
$213,998
2014
$2,792 (+1.4%)
$77,838 + $128,817
$206,655
2013
$2,753 (+2.4%)
$77,838 + $128,817
$206,655
2012
$2,690 (+1.5%)
$77,487 + $128,235
$205,722
2011
$2,651 (+0.8%)
$75,968 + $125,721
$201,689
2010
$2,629
$74,479 + $123,257
$197,736
2009
$2,632 (+4.4%)
$73,922 + $122,336
$196,258
2008
$2,520
$74,098 + $122,627
$196,725
Tax history for 18600 Sheffield Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,776 (+2.6%)
$97,325 + $161,066
$258,391
2024
$3,680 (+2.1%)
$95,417 + $157,908
$253,325
2023
$3,603 (+2.4%)
$93,546 + $154,812
$248,358
2022
$3,518 (+2.8%)
$89,914 + $148,801
$238,715
2021
$3,422 (+2.4%)
$89,914 + $148,801
$238,715
2020
$3,341 (−1.5%)
$88,151 + $145,884
$234,035
2019
$3,391 (+3.0%)
$87,248 + $144,388
$231,636
2018
$3,293 (+2.8%)
$85,537 + $141,558
$227,095
2017
$3,203 (+5.2%)
$82,216 + $136,061
$218,277
2016
$3,046 (+7.0%)
$82,216 + $136,061
$218,277
2015
$2,847 (+2.0%)
$80,604 + $133,394
$213,998
2014
$2,792 (+1.4%)
$77,838 + $128,817
$206,655
2013
$2,753 (+2.4%)
$77,838 + $128,817
$206,655
2012
$2,690 (+1.5%)
$77,487 + $128,235
$205,722
2011
$2,651 (+0.8%)
$75,968 + $125,721
$201,689
2010
$2,629
$74,479 + $123,257
$197,736
2009
$2,632 (+4.4%)
$73,922 + $122,336
$196,258
2008
$2,520
$74,098 + $122,627
$196,725
*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
Jan 5, 2010 • Final
Building
Install a roof-mounted residential photovoltaic system. The solar panels will be installed in the same plane as the roof.
Electrical
Solar
Feb 22, 2005 • Final
Building
Remove and replace the existing composition shingles and felt on a residential 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: 1,740
Building Sq. Ft: 1,740
# of Units: 1
# of Stories: 1
Legal Description: TRACT 2033 BLK A LOT 20
Lot Information
# of Buildings: 1
Land Sq. Ft: 11,648
Legal Lot Number: 20
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.2674
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,740
Stories: 1.0
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1964
County: Alameda County
APN: 084B039602000
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Stanton Elementary School
Public K-5 • Assigned • 0.8mi
6/10
Creekside Middle School
Public 6-8 • Assigned • 2.5mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 1.5mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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...