3856 Modesto St is a 1,575 square foot house on a 5,100 square foot lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,078,473.
Single-familyProperty Type
1950Year Built
5,100 sq ftLot Size
$685Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,078,473
$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.2% higher than the average sale price ($1.02M) 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
$14,575 (+310.3%)
$355,419 + $829,311
$1,184,730
2024
$3,552 (+2.1%)
$348,450 + $813,050
$1,161,500
2023
$3,478 (+2.4%)
$126,136 + $104,381
$230,517
2022
$3,397 (+2.8%)
$121,239 + $100,329
$221,568
2021
$3,305 (+2.4%)
$121,239 + $100,329
$221,568
2020
$3,228 (−1.5%)
$118,861 + $98,361
$217,222
2019
$3,278 (+2.9%)
$117,643 + $97,353
$214,996
2018
$3,184 (+2.7%)
$115,337 + $95,445
$210,782
2017
$3,099 (+8.9%)
$110,859 + $91,739
$202,598
2016
$2,845 (+6.9%)
$110,859 + $91,739
$202,598
2015
$2,662 (+2.0%)
$108,685 + $80,332
$189,017
2014
$2,610 (+1.9%)
$104,957 + $77,576
$182,533
2013
$2,563 (+2.3%)
$104,957 + $77,576
$182,533
2012
$2,504 (+1.4%)
$104,483 + $77,226
$181,709
2011
$2,469 (+0.8%)
$102,434 + $75,712
$178,146
2010
$2,449
$100,426 + $74,228
$174,654
2009
$2,450 (+4.5%)
$99,676 + $73,673
$173,349
2008
$2,344
$99,913 + $73,848
$173,761
Tax history for 3856 Modesto St
Year
Property tax
Land + Additions
Assessment*
2025
$14,575 (+310.3%)
$355,419 + $829,311
$1,184,730
2024
$3,552 (+2.1%)
$348,450 + $813,050
$1,161,500
2023
$3,478 (+2.4%)
$126,136 + $104,381
$230,517
2022
$3,397 (+2.8%)
$121,239 + $100,329
$221,568
2021
$3,305 (+2.4%)
$121,239 + $100,329
$221,568
2020
$3,228 (−1.5%)
$118,861 + $98,361
$217,222
2019
$3,278 (+2.9%)
$117,643 + $97,353
$214,996
2018
$3,184 (+2.7%)
$115,337 + $95,445
$210,782
2017
$3,099 (+8.9%)
$110,859 + $91,739
$202,598
2016
$2,845 (+6.9%)
$110,859 + $91,739
$202,598
2015
$2,662 (+2.0%)
$108,685 + $80,332
$189,017
2014
$2,610 (+1.9%)
$104,957 + $77,576
$182,533
2013
$2,563 (+2.3%)
$104,957 + $77,576
$182,533
2012
$2,504 (+1.4%)
$104,483 + $77,226
$181,709
2011
$2,469 (+0.8%)
$102,434 + $75,712
$178,146
2010
$2,449
$100,426 + $74,228
$174,654
2009
$2,450 (+4.5%)
$99,676 + $73,673
$173,349
2008
$2,344
$99,913 + $73,848
$173,761
*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 15, 2025 • Final
Building
Install an energy storage system with batteries and a backup gateway. Install new electrical circuits.
Battery
Electrical
Solar
Mar 25, 2022 • Final
Residential roof-mounted solar pv, ess & electrical
Install a roof-mounted solar photovoltaic system on a residential building.
Electrical
Solar
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: 8
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,575
Building Sq. Ft: 1,575
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,100
Legal Lot Number: 7
Legal Block Number: 1
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1171
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,575
Stories: 1.0
Lot Size: 5,100 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1950
County: Alameda County
APN: 084C076601800
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Marshall Elementary School
Public K-5 • Assigned • 0.3mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.7mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.4mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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