bridgeMLS, Bay East AOR, or Contra Costa AOR #40717385
Nov 23, 2015
Sold
$782,000
$371/sq ft
Oct 8, 2015
Pending
—
Sep 29, 2015
Listed
$749,950
$356/sq ft
Public Records
Apr 15, 2005
Sold
$617,500
$293/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$11,710 (+2.2%)
$277,712 + $647,995
$925,707
2024
$11,453 (+1.6%)
$277,712 + $647,995
$925,707
2023
$11,275 (+1.9%)
$272,267 + $635,290
$907,557
2022
$11,063 (+2.6%)
$261,696 + $610,624
$872,320
2021
$10,781 (+2.3%)
$261,696 + $610,624
$872,320
2020
$10,536 (−1.8%)
$256,565 + $598,653
$855,218
2019
$10,733 (+2.9%)
$253,935 + $592,516
$846,451
2018
$10,430 (+2.7%)
$248,957 + $580,900
$829,857
2017
$10,156 (+4.2%)
$239,292 + $558,348
$797,640
2016
$9,745 (+405.7%)
$239,292 + $558,348
$797,640
2015
$1,927 (+2.5%)
$234,600 + $547,400
$782,000
2014
$1,880 (+1.9%)
$40,201 + $78,003
$118,204
2013
$1,844 (+2.5%)
$40,201 + $78,003
$118,204
2012
$1,798 (+1.5%)
$40,020 + $77,651
$117,671
2011
$1,773 (+0.9%)
$39,235 + $76,128
$115,363
2010
$1,757 (+0.2%)
$38,466 + $74,636
$113,102
2009
$1,753 (+5.4%)
$38,178 + $74,078
$112,256
2008
$1,663
$38,269 + $74,254
$112,523
Tax history for 18479 Walnut Rd
Year
Property tax
Land + Additions
Assessment*
2025
$11,710 (+2.2%)
$277,712 + $647,995
$925,707
2024
$11,453 (+1.6%)
$277,712 + $647,995
$925,707
2023
$11,275 (+1.9%)
$272,267 + $635,290
$907,557
2022
$11,063 (+2.6%)
$261,696 + $610,624
$872,320
2021
$10,781 (+2.3%)
$261,696 + $610,624
$872,320
2020
$10,536 (−1.8%)
$256,565 + $598,653
$855,218
2019
$10,733 (+2.9%)
$253,935 + $592,516
$846,451
2018
$10,430 (+2.7%)
$248,957 + $580,900
$829,857
2017
$10,156 (+4.2%)
$239,292 + $558,348
$797,640
2016
$9,745 (+405.7%)
$239,292 + $558,348
$797,640
2015
$1,927 (+2.5%)
$234,600 + $547,400
$782,000
2014
$1,880 (+1.9%)
$40,201 + $78,003
$118,204
2013
$1,844 (+2.5%)
$40,201 + $78,003
$118,204
2012
$1,798 (+1.5%)
$40,020 + $77,651
$117,671
2011
$1,773 (+0.9%)
$39,235 + $76,128
$115,363
2010
$1,757 (+0.2%)
$38,466 + $74,636
$113,102
2009
$1,753 (+5.4%)
$38,178 + $74,078
$112,256
2008
$1,663
$38,269 + $74,254
$112,523
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
10,656 Sq. Ft.
Year renovated
1967
Sq. Ft.
2,108
Year built
1965
Style
Single Family Residential
County
Alameda County
APN
084D115800607
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 27, 2026.
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
May 30, 2018 • Final
Building
Remodel
Nov 22, 2016 • Final
Building
Install a roof-mounted solar photovoltaic system on a single-family home.
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
Parking
Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Space Per Unit - 2
Interior
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Tile, Tub
Primary Bathroom Included Features: Stall Shower, Tile
Interior Features
Interior Features: Family Room, Breakfast Bar, Breakfast Nook, Counter - Solid Surface, Eat-in Kitchen
Appliances: Dishwasher, Double Oven, Disposal
Laundry Features: Hookups Only, Laundry Room
Upper Level Features: 3 Bedrooms, 2 Baths, Primary Bedrm Suite - 1, Laundry Facility, Main Entry
Exterior Features: Back Yard, Garden/Play, Storage
Roof: Shingle
Property Information
Living Area: 2108
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1965
Lot Information
Lot Size Square Feet: 10656
Lot Size Area: 0.244628
Lot Size Units: Acres
Lot Size Acres: 0.244628
Lot Features: Sloped Up
Zoning: 1001
Utilities
Utility Information
Water Source: Public
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Baseboard
Location
Multi-Unit Information
Common Walls: End Unit
School Information
High School District: Castro Valley (510) 537-3000
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,108
Stories: 1.0
Lot Size: 10,656 square feet
Style: Single Family Residential
Year Built: 1965
Year Renovated: 1967
County: Alameda County
APN: 084D115800607
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Places
Transit
Chabot Elementary School
Public K-5 • Assigned • 0.6mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.9mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 1.0mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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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...
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2015. This data may not match public records. Learn more.