OFFERS REVIEWED AS RECEIVED UPDATE DUE TO DEMAND Pride of Ownership Castro Valley 4 bed 3 bath 2600 sq. ft. home; Resides in a great Country Like neighborhood with one of the best elementary schools, a lake and a golf course , and shopping and Bart all within minutes from your front door. This 16,000 sq. ft. park-like back yard is great for garden and play. Just in time for Summer BBQ's. Lots of yard space both front and back; A Hollywood Driveway good for many cars and a 2-car garage. Dual Pane windows, A Kitchen built for a Gourmet Chef who loves to entertain and nice laminate floors throughout. This Pride of Ownership home is ready to move in and call your own. Too many upgrades to mention. Come see for yourself . Perfect Home for a combined family. The bedroom on the split level is like a self-contained area with its own entrance. A place to call home. See you this weekend.
Single-familyProperty Type
1951Year Built
0.38 acresLot Size
$628Est. Price/Sq.Ft.
2 car garageParking
Listed by Serean Kimmel•DRE #01770629• RE/MAX Accord
Bought with Vanessa Klein•DRE #01319331• Coldwell Banker Realty
bridgeMLS, Bay East AOR, or Contra Costa AOR #40822815
Jun 18, 2018
Sold
$1,200,000
$461/sq ft
Jun 1, 2018
Pending
—
May 21, 2018
Listed
$999,000
$384/sq ft
Public Records
Jul 10, 1987
Sold
$244,000
$94/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$16,898 (+2.2%)
$409,611 + $955,760
$1,365,371
2024
$16,535 (+1.5%)
$409,611 + $955,760
$1,365,371
2023
$16,291 (+1.8%)
$401,580 + $937,020
$1,338,600
2022
$15,997 (+2.6%)
$385,988 + $900,639
$1,286,627
2021
$15,594 (+2.3%)
$385,988 + $900,639
$1,286,627
2020
$15,241 (−1.9%)
$378,421 + $882,982
$1,261,403
2019
$15,534 (+151.1%)
$374,544 + $873,936
$1,248,480
2018
$6,187 (+2.7%)
$367,200 + $856,800
$1,224,000
2017
$6,023 (+6.2%)
$253,650 + $199,581
$453,231
2016
$5,673 (+7.0%)
$253,650 + $199,581
$453,231
2015
$5,302 (+1.4%)
$248,677 + $190,767
$439,444
2014
$5,231 (+0.9%)
$240,146 + $184,222
$424,368
2013
$5,185 (+2.1%)
$240,146 + $184,222
$424,368
2012
$5,078 (+1.4%)
$239,062 + $183,391
$422,453
2011
$5,008 (+0.7%)
$234,375 + $179,796
$414,171
2010
$4,972 (−2.1%)
$229,780 + $176,270
$406,050
2009
$5,078 (+16.3%)
$228,063 + $174,953
$403,016
2008
$4,366
$228,606 + $182,972
$411,578
Tax history for 18036 Walnut Rd
Year
Property tax
Land + Additions
Assessment*
2025
$16,898 (+2.2%)
$409,611 + $955,760
$1,365,371
2024
$16,535 (+1.5%)
$409,611 + $955,760
$1,365,371
2023
$16,291 (+1.8%)
$401,580 + $937,020
$1,338,600
2022
$15,997 (+2.6%)
$385,988 + $900,639
$1,286,627
2021
$15,594 (+2.3%)
$385,988 + $900,639
$1,286,627
2020
$15,241 (−1.9%)
$378,421 + $882,982
$1,261,403
2019
$15,534 (+151.1%)
$374,544 + $873,936
$1,248,480
2018
$6,187 (+2.7%)
$367,200 + $856,800
$1,224,000
2017
$6,023 (+6.2%)
$253,650 + $199,581
$453,231
2016
$5,673 (+7.0%)
$253,650 + $199,581
$453,231
2015
$5,302 (+1.4%)
$248,677 + $190,767
$439,444
2014
$5,231 (+0.9%)
$240,146 + $184,222
$424,368
2013
$5,185 (+2.1%)
$240,146 + $184,222
$424,368
2012
$5,078 (+1.4%)
$239,062 + $183,391
$422,453
2011
$5,008 (+0.7%)
$234,375 + $179,796
$414,171
2010
$4,972 (−2.1%)
$229,780 + $176,270
$406,050
2009
$5,078 (+16.3%)
$228,063 + $174,953
$403,016
2008
$4,366
$228,606 + $182,972
$411,578
*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
0.38 Acres
Year renovated
1976
Sq. Ft.
2,602
Year built
1951
Style
Single Family Residential
County
Alameda County
APN
084D116200500
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
Mar 1, 2023 • Final
Building
Install a roof-mounted solar photovoltaic system and energy storage system batteries. The project includes the installation of solar modules and two batteries. An electrical breaker update was performed on the hub.
Battery
Electrical
Solar
Oct 29, 2019 • Final
Building
Install a roof-mounted solar photovoltaic system and an energy storage 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
Parking
Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Off Street, Garage Door Opener
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Other Bathrooms Included Features: Solid Surface, Stall Shower
Interior Features: Dining Area, Family Room, Kitchen/Family Combo, Stone Counters, Kitchen Island, Updated Kitchen, Wet Bar
Appliances: Dishwasher, Double Oven, Gas Range, Free-Standing Range, Refrigerator, Dryer, Washer, Gas Water Heater
Laundry Features: 220 Volt Outlet, Dryer, Laundry Room, Washer
Street Level Features: 3 Bedrooms, 2 Baths
Fireplaces Total: 1
Has Fireplace
Flooring: Laminate
Room Information
Kitchen Features: 220 Volt Outlet,Counter - Stone,Dishwasher,Double Oven,Gas Range/Cooktop,Island,Range/Oven Free Standing,Refrigerator,Updated Kitchen,Wet Bar
Rooms Total: 9
Fireplace Features: Brick, Wood Burning
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 2,602
Exterior Features
Patio And Porch Features: Patio
Exterior Features: Back Yard, Front Yard, Garden/Play, Sprinklers Automatic, Sprinklers Back, Sprinklers Front, Storage
Fencing: Fenced
Roof: Composition
Property Information
Living Area: 2602
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1951
Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 16575
Lot Size Area: 0.38
Lot Size Units: Acres
Lot Size Acres: 0.38
Lot Features: Premium Lot
Utilities
Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Heating & Cooling
Has Heating
Heating: Forced Air, Natural Gas
Cooling: Ceiling Fan(s)
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,602
Stories: 1.5
Lot Size: 0.38 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1976
County: Alameda County
APN: 084D116200500
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.7mi
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 2018. This data may not match public records. Learn more.