18655 Sheffield Rd is a 2,275 square foot house on a 0.33 acre lot with 3 bedrooms and 3 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,241,697.
Single-familyProperty Type
1964Year Built
0.33 acresLot Size
$546Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,241,697
$14K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.9% higher than the average sale price ($1.12M) 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
$2,407 (+2.9%)
$56,768 + $83,277
$140,045
2024
$2,339 (+2.6%)
$55,655 + $81,644
$137,299
2023
$2,279 (+2.8%)
$54,564 + $80,043
$134,607
2022
$2,216 (+3.0%)
$52,445 + $76,935
$129,380
2021
$2,152 (+2.5%)
$52,445 + $76,935
$129,380
2020
$2,099 (−1.2%)
$51,417 + $75,427
$126,844
2019
$2,124 (+3.1%)
$50,890 + $74,654
$125,544
2018
$2,061 (+2.9%)
$49,892 + $73,190
$123,082
2017
$2,003 (+5.2%)
$47,955 + $70,348
$118,303
2016
$1,904 (+7.0%)
$47,955 + $70,348
$118,303
2015
$1,780 (+2.8%)
$47,015 + $68,969
$115,984
2014
$1,732 (+2.1%)
$45,402 + $66,602
$112,004
2013
$1,696 (+2.7%)
$45,402 + $66,602
$112,004
2012
$1,652 (+1.6%)
$45,197 + $66,302
$111,499
2011
$1,626 (+0.9%)
$44,310 + $65,002
$109,312
2010
$1,611 (+0.3%)
$43,442 + $63,727
$107,169
2009
$1,606 (+5.8%)
$43,117 + $63,251
$106,368
2008
$1,518
$43,220 + $63,402
$106,622
Tax history for 18655 Sheffield Rd
Year
Property tax
Land + Additions
Assessment*
2025
$2,407 (+2.9%)
$56,768 + $83,277
$140,045
2024
$2,339 (+2.6%)
$55,655 + $81,644
$137,299
2023
$2,279 (+2.8%)
$54,564 + $80,043
$134,607
2022
$2,216 (+3.0%)
$52,445 + $76,935
$129,380
2021
$2,152 (+2.5%)
$52,445 + $76,935
$129,380
2020
$2,099 (−1.2%)
$51,417 + $75,427
$126,844
2019
$2,124 (+3.1%)
$50,890 + $74,654
$125,544
2018
$2,061 (+2.9%)
$49,892 + $73,190
$123,082
2017
$2,003 (+5.2%)
$47,955 + $70,348
$118,303
2016
$1,904 (+7.0%)
$47,955 + $70,348
$118,303
2015
$1,780 (+2.8%)
$47,015 + $68,969
$115,984
2014
$1,732 (+2.1%)
$45,402 + $66,602
$112,004
2013
$1,696 (+2.7%)
$45,402 + $66,602
$112,004
2012
$1,652 (+1.6%)
$45,197 + $66,302
$111,499
2011
$1,626 (+0.9%)
$44,310 + $65,002
$109,312
2010
$1,611 (+0.3%)
$43,442 + $63,727
$107,169
2009
$1,606 (+5.8%)
$43,117 + $63,251
$106,368
2008
$1,518
$43,220 + $63,402
$106,622
*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 11, 2026 • Active
Building
Battery
Electrical
Solar
Feb 19, 2015 • Final
Building
Tear off the existing roof and install new oriented strand board and composition shingles.
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: 7
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Good
Property Information
Living Sq. Ft: 2,275
Building Sq. Ft: 2,275
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 14,250
Legal Lot Number: 6
Legal Block Number: A
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.3271
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,275
Stories: 1.0
Lot Size: 0.33 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1965
County: Alameda County
APN: 084B039603400
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Stanton Elementary School
Public K-5 • Assigned • 0.7mi
6/10
Creekside Middle School
Public 6-8 • Assigned • 2.4mi
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...