custom home w/ too many amenities to list. level backyard w/ view and hot tub, fruit trees. new carpets, hardwood floors, large home office, wet bar in family room. Front and rear porch and deck ""as is""
Single-familyProperty Type
1979Year Built
10,000 sq ftLot Size
$521Est. Price/Sq.Ft.
2 car garageParking
Listed by Richard Kislingbury• INDEPENDENT REAL ESTATE BROKER
Bought with Tere Lee•DRE #908857• BHHS Drysdale Alameda
bridgeMLS, Bay East AOR, or Contra Costa AOR #11033951
Feb 17, 2015
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #29026010
Aug 18, 2001
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #20011273
May 19, 2000
Sold
$525,000
$157/sq ft
Apr 5, 2000
Listing Removed
—
Mar 20, 2000
Listed
$544,950
$163/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11043358
May 19, 2000
Sold
$525,000
$157/sq ft
Apr 5, 2000
Listing Removed
—
Feb 25, 2000
Listed
$544,950
$163/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$10,535 (+2.3%)
$242,060 + $584,023
$826,083
2024
$10,301 (+1.4%)
$242,060 + $584,023
$826,083
2023
$10,155 (+1.3%)
$237,314 + $572,574
$809,888
2022
$10,028 (+2.6%)
$228,100 + $550,344
$778,444
2021
$9,774 (+3.2%)
$228,100 + $550,344
$778,444
2020
$9,470 (−1.8%)
$223,629 + $539,555
$763,184
2019
$9,645 (+2.9%)
$221,337 + $534,026
$755,363
2018
$9,372 (+2.7%)
$216,998 + $523,557
$740,555
2017
$9,126 (+5.1%)
$208,574 + $503,231
$711,805
2016
$8,683 (+7.0%)
$208,574 + $503,231
$711,805
2015
$8,115 (+1.1%)
$204,485 + $493,366
$697,851
2014
$8,025 (+0.7%)
$197,468 + $476,437
$673,905
2013
$7,971 (+2.0%)
$197,468 + $476,437
$673,905
2012
$7,814 (+1.4%)
$196,577 + $474,286
$670,863
2011
$7,710 (+3.0%)
$192,723 + $464,987
$657,710
2010
$7,488 (−0.5%)
$188,944 + $455,871
$644,815
2009
$7,525 (+3.1%)
$187,533 + $437,578
$625,111
2008
$7,300
$187,979 + $438,618
$626,597
Tax history for 18144 Walnut Rd
Year
Property tax
Land + Additions
Assessment*
2025
$10,535 (+2.3%)
$242,060 + $584,023
$826,083
2024
$10,301 (+1.4%)
$242,060 + $584,023
$826,083
2023
$10,155 (+1.3%)
$237,314 + $572,574
$809,888
2022
$10,028 (+2.6%)
$228,100 + $550,344
$778,444
2021
$9,774 (+3.2%)
$228,100 + $550,344
$778,444
2020
$9,470 (−1.8%)
$223,629 + $539,555
$763,184
2019
$9,645 (+2.9%)
$221,337 + $534,026
$755,363
2018
$9,372 (+2.7%)
$216,998 + $523,557
$740,555
2017
$9,126 (+5.1%)
$208,574 + $503,231
$711,805
2016
$8,683 (+7.0%)
$208,574 + $503,231
$711,805
2015
$8,115 (+1.1%)
$204,485 + $493,366
$697,851
2014
$8,025 (+0.7%)
$197,468 + $476,437
$673,905
2013
$7,971 (+2.0%)
$197,468 + $476,437
$673,905
2012
$7,814 (+1.4%)
$196,577 + $474,286
$670,863
2011
$7,710 (+3.0%)
$192,723 + $464,987
$657,710
2010
$7,488 (−0.5%)
$188,944 + $455,871
$644,815
2009
$7,525 (+3.1%)
$187,533 + $437,578
$625,111
2008
$7,300
$187,979 + $438,618
$626,597
*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
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
8,046 Sq. Ft.
Year renovated
1979
Sq. Ft.
3,304
Year built
1978
Style
Single Family Residential
County
Alameda County
APN
084D116500704
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 21, 2010 • Final
Building
Perform an interior remodel of a kitchen and family room. Convert a powder room into a full bathroom by adding a shower. Remodel the upstairs master bathroom and relocate various interior partitions.
Bathroom
Kitchen
Remodel
May 7, 2007 • Final
Building
Replace a gas water heater.
Gas
Plumbing
Water heater
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, Garage Door Opener
Interior
Bathroom Information
# of Bathrooms Total: 4
# of Bathrooms Full: 2
# of Bathrooms Partial: 2
Other Bathrooms Included Features: Shower Over Tub, Tub with Jets
Interior Features
Interior Features: Bonus/Plus Room, Family Room, Formal Dining Room, Study
High School District: Castro Valley (510) 537-3000
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 3,304
Stories: 2.0
Lot Size: 8,046 square feet
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1979
County: Alameda County
APN: 084D116500704
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 • 1.8mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.9mi
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 2000. This data may not match public records. Learn more.