Open House Saturday, Aug. 11th 12-2PM & Sunday, Aug. 12th 1:30-4PM. Welcome Home! Great opportunity to own a gem and live in desirable Castro Valley Hills. This gorgeous home is sure to delight with a spacious and open concept floor plan anchored by a fully remodeled kitchen with granite countertops, glass backsplash, designer finishes and high-end appliances. New, oversized french-style sliding doors are all that separate the living room from the tranquil back yard setting. Enjoy an over-sized bonus/family room with separate entrance and attached bathroom on lower level. Possible small RV/Boat parking or space for additional vehicle. Home has been outfitted with a new roof, paint, refinished hardwood floors, light fixtures, fencing, updated electrical and so much more. Walk to Castro Valley Community Center and Park. Close to Lake Chabot, BART, HWY 580/880, Shopping. Must see!
Single-familyProperty Type
1955Year Built
9,984 sq ftLot Size
$763Est. Price/Sq.Ft.
1 car garageParking
Listed by Orlando Guillory•DRE #01912949• Realty ONE Group Future
Bought with Chin Fong•DRE #01425114• Cornerstone Realty and Mortgage
Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40833726
Redfin Estimate
$1,299,763
$445K since sold in March 2019$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.8% higher than the average sale price ($1.29M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40855279
Mar 4, 2019
Listing Removed
—
Mar 2, 2019
Listed
*
MLSListings #ML81718597
Sep 10, 2018
Sold
$868,000
$509/sq ft
Sep 10, 2018
Sold
$868,000
$509/sq ft
Aug 17, 2018
Pending
—
Aug 11, 2018
Listed
$799,990
$469/sq ft
Aug 11, 2018
Listed
$799,990
$469/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40833726
Sep 13, 2018
Sold
$868,000
$509/sq ft
Aug 17, 2018
Pending
—
Aug 9, 2018
Listed
$799,990
$469/sq ft
+17
Open House Saturday, Aug. 11th 12-2PM & Sunday, Aug. 12th 1:30-4PM. Welcome Home! Great opportunity to own a gem and live in desirable Castro Valley Hills. This gorgeous home is sure to delight with a spacious and open concept floor plan anchored by a fully remodeled kitchen with granite countertops, glass backsplash, designer finishes and high-end appliances. New, oversized french-style sliding doors are all that separate the living room from the tranquil back yard setting. Enjoy an over-sized bonus/family room with separate entrance and attached bathroom on lower level. Possible small RV/Boat parking or space for additional vehicle. Home has been outfitted with a new roof, paint, refinished hardwood floors, light fixtures, fencing, updated electrical and so much more. Walk to Castro Valley Community Center and Park. Close to Lake Chabot, BART, HWY 580/880, Shopping. Must see!
bridgeMLS, Bay East AOR, or Contra Costa AOR #40719135
Dec 27, 2015
Sold
$640,000
$376/sq ft
Nov 4, 2015
Pending
—
Oct 13, 2015
Listed
$650,000
$381/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40014753
Jul 14, 2004
Sold
$520,000
$305/sq ft
May 27, 2004
Listing Removed
—
May 10, 2004
Listed
$549,950
$323/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$12,124 (+2.2%)
$286,125 + $667,626
$953,751
2024
$11,859 (+1.6%)
$286,125 + $667,626
$953,751
2023
$11,678 (+1.9%)
$280,516 + $654,537
$935,053
2022
$11,461 (+2.6%)
$269,625 + $629,125
$898,750
2021
$11,171 (+2.3%)
$269,625 + $629,125
$898,750
2020
$10,918 (−3.2%)
$264,338 + $616,790
$881,128
2019
$11,283 (+29.2%)
$261,630 + $610,470
$872,100
2018
$8,730 (+2.7%)
$262,000 + $606,000
$868,000
2017
$8,502 (+5.1%)
$195,840 + $456,960
$652,800
2016
$8,091 (+11.4%)
$195,840 + $456,960
$652,800
2015
$7,261 (+9.8%)
$192,000 + $448,000
$640,000
2014
$6,615 (+9.9%)
$162,300 + $378,700
$541,000
2013
$6,021 (+11.2%)
$162,300 + $378,700
$541,000
2012
$5,413 (−5.0%)
$170,000 + $320,000
$490,000
2011
$5,698
$131,100 + $305,900
$437,000
2010
$5,697 (+7.3%)
$138,000 + $322,000
$460,000
2009
$5,310 (−20.4%)
$138,000 + $322,000
$460,000
2008
$6,671
$127,500 + $297,500
$425,000
Tax history for 18901 Walnut Rd
Year
Property tax
Land + Additions
Assessment*
2025
$12,124 (+2.2%)
$286,125 + $667,626
$953,751
2024
$11,859 (+1.6%)
$286,125 + $667,626
$953,751
2023
$11,678 (+1.9%)
$280,516 + $654,537
$935,053
2022
$11,461 (+2.6%)
$269,625 + $629,125
$898,750
2021
$11,171 (+2.3%)
$269,625 + $629,125
$898,750
2020
$10,918 (−3.2%)
$264,338 + $616,790
$881,128
2019
$11,283 (+29.2%)
$261,630 + $610,470
$872,100
2018
$8,730 (+2.7%)
$262,000 + $606,000
$868,000
2017
$8,502 (+5.1%)
$195,840 + $456,960
$652,800
2016
$8,091 (+11.4%)
$195,840 + $456,960
$652,800
2015
$7,261 (+9.8%)
$192,000 + $448,000
$640,000
2014
$6,615 (+9.9%)
$162,300 + $378,700
$541,000
2013
$6,021 (+11.2%)
$162,300 + $378,700
$541,000
2012
$5,413 (−5.0%)
$170,000 + $320,000
$490,000
2011
$5,698
$131,100 + $305,900
$437,000
2010
$5,697 (+7.3%)
$138,000 + $322,000
$460,000
2009
$5,310 (−20.4%)
$138,000 + $322,000
$460,000
2008
$6,671
$127,500 + $297,500
$425,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
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
Apr 18, 2018 • Final
Building
Tear off the existing roof and install new composition shingles with sheet metal flashing on a residential building.
Roofing
Dec 28, 2004 • Final
Building
Replace the forced air unit and rewire one electrical circuit.
Electrical
HVAC
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
Interior
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: A REMO RUTI
Living Sq. Ft: 1,704
Building Sq. Ft: 1,704
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,984
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.2292
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,704
Stories: 2.0
Lot Size: 9,984 square feet
Style: Single Family Residential
Year Built: 1955
Year Renovated: 1980
County: Alameda County
APN: 084D110704500
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.3mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.8mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.8mi
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...