Large 4 bd 3 bth on top of Walnut. Downstairs poss in-law w/ sep entrance. Newly painted with carpets, shows clean. Architecturally situated on HUGE lot beside large driveway. Room for several cars. Another driveway on side of house accommodates more vehicles. Rented for trailer.
Single-familyProperty Type
1951Year Built
10,682 sq ftLot Size
$571Est. Price/Sq.Ft.
2 car garageParking
Listed by Tim Fiebig•DRE #00657474• RE/MAX Accord
Bought with David Lambton•DRE #00615429• RE/MAX Accord
bridgeMLS, Bay East AOR, or Contra Costa AOR #40758896
Nov 8, 2016
Sold
$835,000
$320/sq ft
Oct 8, 2016
Pending
—
Sep 29, 2016
Price Changed
$849,950
$326/sq ft
Sep 28, 2016
Listed
$799,950
$307/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11026839
Nov 22, 1999
Sold
$450,000
$173/sq ft
Oct 26, 1999
Listing Removed
—
Aug 14, 1999
Listed
$459,950
$176/sq ft
IF YOUR BUYER WANTS A BEAUTIFUL POOL & YARD FOR ENTERTAINING, OR AN EXTRA LG. HOME, OR A POSSIBLE IN-LAW UNIT, OR A HUGE WORK AT
Year
Property tax
Land + Additions
Assessment*
2025
$12,304 (+2.2%)
$290,720 + $678,347
$969,067
2024
$12,036 (+1.6%)
$290,720 + $678,347
$969,067
2023
$11,852 (+1.9%)
$285,021 + $665,049
$950,070
2022
$11,633 (+2.6%)
$273,954 + $639,226
$913,180
2021
$11,339 (+2.3%)
$273,954 + $639,226
$913,180
2020
$11,082 (−1.9%)
$268,583 + $626,695
$895,278
2019
$11,292 (+2.9%)
$265,830 + $620,271
$886,101
2018
$10,974 (+2.7%)
$260,620 + $608,113
$868,733
2017
$10,689 (+45.2%)
$250,500 + $584,500
$835,000
2016
$7,360 (+7.0%)
$250,500 + $584,500
$835,000
2015
$6,878 (+1.2%)
$175,273 + $408,970
$584,243
2014
$6,796 (+0.7%)
$169,258 + $394,937
$564,195
2013
$6,746 (+2.0%)
$169,258 + $394,937
$564,195
2012
$6,611 (+1.4%)
$168,494 + $393,154
$561,648
2011
$6,522 (+0.7%)
$165,191 + $385,446
$550,637
2010
$6,477 (−0.5%)
$161,952 + $377,889
$539,841
2009
$6,506 (+3.2%)
$160,743 + $375,067
$535,810
2008
$6,305
$161,125 + $375,958
$537,083
Tax history for 17823 Walnut Rd
Year
Property tax
Land + Additions
Assessment*
2025
$12,304 (+2.2%)
$290,720 + $678,347
$969,067
2024
$12,036 (+1.6%)
$290,720 + $678,347
$969,067
2023
$11,852 (+1.9%)
$285,021 + $665,049
$950,070
2022
$11,633 (+2.6%)
$273,954 + $639,226
$913,180
2021
$11,339 (+2.3%)
$273,954 + $639,226
$913,180
2020
$11,082 (−1.9%)
$268,583 + $626,695
$895,278
2019
$11,292 (+2.9%)
$265,830 + $620,271
$886,101
2018
$10,974 (+2.7%)
$260,620 + $608,113
$868,733
2017
$10,689 (+45.2%)
$250,500 + $584,500
$835,000
2016
$7,360 (+7.0%)
$250,500 + $584,500
$835,000
2015
$6,878 (+1.2%)
$175,273 + $408,970
$584,243
2014
$6,796 (+0.7%)
$169,258 + $394,937
$564,195
2013
$6,746 (+2.0%)
$169,258 + $394,937
$564,195
2012
$6,611 (+1.4%)
$168,494 + $393,154
$561,648
2011
$6,522 (+0.7%)
$165,191 + $385,446
$550,637
2010
$6,477 (−0.5%)
$161,952 + $377,889
$539,841
2009
$6,506 (+3.2%)
$160,743 + $375,067
$535,810
2008
$6,305
$161,125 + $375,958
$537,083
*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
1.5
Lot width
—
Lot depth
—
Lot size
10,682 Sq. Ft.
Year renovated
1953
Sq. Ft.
2,607
Year built
1951
Style
Single Family Residential
County
Alameda County
APN
084D116001900
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
Oct 5, 2022 • Final
Building
Tear off and replace the existing roofing on a residential building with new composition asphalt shingles. Re-flash pipes and install vents to code using the existing roof deck.
Roofing
Sep 22, 2022 • Final
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
Parking
Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Off Street, Side Yard Access, Enclosed, Garage Door Opener
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 5
# of Bathrooms Full: 3
# of Bathrooms Partial: 2
Other Bathrooms Included Features: Shower Over Tub, Tub
Primary Bathroom Included Features: Stall Shower
Interior Features
Interior Features: Bonus/Plus Room, Dining Area, Family Room, Tile Counters
Appliances: Dishwasher, Electric Range, Grill Built-In, Microwave, Oven, Trash Compactor, Gas Water Heater
Laundry Features: 220 Volt Outlet, Laundry Room
Upper Level Features: 3 Bedrooms, 2 Baths, Main Entry
Street Level Features: 1 Bedroom, 1 Bath, Laundry Facility
Fireplace Features: Brick, Family Room, Living Room
Basement: Crawl Space
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 2,607
Exterior Features
Patio And Porch Features: Covered
Exterior Features: Back Yard
Door Features: Mirrored Closet Door(s)
Fencing: Fenced
Roof: Shingle
Property Information
Living Area: 2607
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1951
Lot Information
Lot Size Square Feet: 10682
Lot Size Area: 0.245225
Lot Size Units: Acres
Lot Size Acres: 0.245225
Lot Features: Irregular Lot, Level
Zoning: 1001
Utilities
Utility Information
Water Source: Public
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Forced Air
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,607
Stories: 1.5
Lot Size: 10,682 square feet
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1953
County: Alameda County
APN: 084D116001900
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.7mi
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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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2016. This data may not match public records. Learn more.