Amazing character! Upper Valley views from two decks. Cherry laminate firs, new carpet, granite kitchen, garden, 1/2 easily accessed basement for storage or parking. 1200sf PERMITTED shop. Master-suite/bath with permits. Metal roof. Shop/in-law unt has new roof/kitch/bath.2 drives. See docs!
Multi-familyProperty Type
1956Year Built
10,050 sq ftLot Size
$534Est. Price/Sq.Ft.
2 garage spacesParking
Listed by Natalie Swanson•DRE #01709115• Keller Williams Tri Valley
Bought with Natalie Swanson•DRE #01709115• Keller Williams Tri Valley
bridgeMLS, Bay East AOR, or Contra Costa AOR #40696224
Jun 2, 2015
Price Changed
$790,000
$292/sq ft
Jun 2, 2015
Sold
$790,000
$292/sq ft
May 8, 2015
Pending
—
May 8, 2015
Pending
—
Apr 26, 2015
Listed
$785,000
$290/sq ft
Public Records
Jul 6, 1979
Sold
$35,000
$13/sq ft
Public Records
Sep 1, 1977
Sold
$75,000
$28/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$12,729 (+2.4%)
$284,828 + $664,600
$949,428
2024
$12,431 (+1.8%)
$284,828 + $664,600
$949,428
2023
$12,211 (+2.1%)
$279,245 + $651,572
$930,817
2022
$11,958 (−5.8%)
$268,402 + $626,272
$894,674
2021
$12,691 (+17.6%)
$268,402 + $626,272
$894,674
2020
$10,790 (−1.8%)
$263,141 + $702,395
$965,536
2019
$10,992 (+2.9%)
$260,444 + $607,702
$868,146
2018
$10,681 (+2.7%)
$255,339 + $595,791
$851,130
2017
$10,402 (+5.1%)
$245,425 + $572,659
$818,084
2016
$9,897 (+276.0%)
$245,425 + $572,659
$818,084
2015
$2,632 (+2.1%)
$240,614 + $561,433
$802,047
2014
$2,579 (+1.5%)
$72,910 + $114,688
$187,598
2013
$2,541 (+2.4%)
$72,910 + $114,688
$187,598
2012
$2,481 (+1.5%)
$72,581 + $114,170
$186,751
2011
$2,445 (+0.8%)
$71,158 + $111,932
$183,090
2010
$2,424
$69,763 + $109,737
$179,500
2009
$2,426 (+4.6%)
$69,242 + $108,917
$178,159
2008
$2,318
$69,406 + $109,176
$178,582
Tax history for 18726 Walnut Rd
Year
Property tax
Land + Additions
Assessment*
2025
$12,729 (+2.4%)
$284,828 + $664,600
$949,428
2024
$12,431 (+1.8%)
$284,828 + $664,600
$949,428
2023
$12,211 (+2.1%)
$279,245 + $651,572
$930,817
2022
$11,958 (−5.8%)
$268,402 + $626,272
$894,674
2021
$12,691 (+17.6%)
$268,402 + $626,272
$894,674
2020
$10,790 (−1.8%)
$263,141 + $702,395
$965,536
2019
$10,992 (+2.9%)
$260,444 + $607,702
$868,146
2018
$10,681 (+2.7%)
$255,339 + $595,791
$851,130
2017
$10,402 (+5.1%)
$245,425 + $572,659
$818,084
2016
$9,897 (+276.0%)
$245,425 + $572,659
$818,084
2015
$2,632 (+2.1%)
$240,614 + $561,433
$802,047
2014
$2,579 (+1.5%)
$72,910 + $114,688
$187,598
2013
$2,541 (+2.4%)
$72,910 + $114,688
$187,598
2012
$2,481 (+1.5%)
$72,581 + $114,170
$186,751
2011
$2,445 (+0.8%)
$71,158 + $111,932
$183,090
2010
$2,424
$69,763 + $109,737
$179,500
2009
$2,426 (+4.6%)
$69,242 + $108,917
$178,159
2008
$2,318
$69,406 + $109,176
$178,582
*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
5
Baths
3
Stories
1
Lot width
—
Lot depth
—
Lot size
10,050
Year renovated
2021
Sq. Ft.
2,704
Year built
1956
Style
Multi-Family (2-4 Unit)
County
Alameda County
APN
084D116803003
Parking Spaces
8
Basement
Yes
Accessible
Yes
HOA Dues
—
Garage
Yes
Features
Views, Green
Last updated by owner on Jan 1, 2024.
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
Dec 21, 2022 • Final
Building
HVAC
Feb 22, 2021 • Final
Building
Legalize and upgrade an existing detached accessory dwelling unit to current building codes. The unit includes a bedroom, bathroom, laundry area, and a living, dining, and kitchen space.
ADU
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, RV/Boat Parking, Side Yard Access, Workshop in Garage, Guest, Garage Door Opener
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Skylight, Tile, Updated Baths
Primary Bathroom Included Features: Stall Shower, Tile, Updated Baths
Interior Features
Interior Features: Workshop, Stone Counters, Eat-in Kitchen, Updated Kitchen
Street Level Features: 3 Bedrooms, 2 Baths, Primary Bedrm Suite - 1, Laundry Facility, Main Entry
Window Features: Double Pane Windows, Skylight(s)
Has Fireplace
Flooring: Laminate, Tile, Carpet
Room Information
Kitchen Features: Counter - Stone,Dishwasher,Eat In Kitchen,Microwave,Refrigerator,Skylight(s),Updated Kitchen
Rooms Total: 6
Fireplace Features: Decorative, Family Room
Basement: Partial
Exterior
Building Information
Building Area Total: 1,956
Exterior Features
Patio And Porch Features: Deck, Patio
Exterior Features: Back Yard, Side Yard
Mobile Home Information
Model: custom
Property Information
Living Area: 1956
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1956
Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 9800
Lot Size Area: 0.224977
Lot Size Units: Acres
Lot Size Acres: 0.224977
Lot Features: Sloped Up
Waterfront Features: Pond
Utilities
Utility Information
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Central Air
Location
School Information
High School District: Castro Valley (510) 537-3000
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,704
Stories: 1.0
Parking Spaces: 8
Basement: Yes
Accessible: Yes
Lot Size: 10,050 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1956
Year Renovated: 2021
County: Alameda County
APN: 084D116803003
HOA Dues: —
Garage: Yes
Features: Views, Green
Home facts updated by owner on Jan 1, 2024
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.5mi
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
Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
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 show owner updates. Learn more.