Charming Castro Valley Home with Endless Potential! Nestled in the heart of Castro Valley, this inviting 2-bedroom, 2-bathroom home sits on an expansive, flat lot, offering possibilities for expansion or outdoor living. Featuring 2 large bedrooms upstairs, and an extra living area and bonus room downstairs in addition to the main-level living and dining areas, this home provides the perfect space for a home office, guest suite, or creative studio. Kitchen features a new stove and refrigerator, as well as a breakfast nook and stone countertops. With ample room to grow, this property is a rare find—whether you’re looking to add an ADU, build your dream backyard, or simply enjoy the open space. Backyard features cherry, almond, apricot, plum trees and more. Conveniently located in the top-rated Castro Valley School District, close to parks, shopping, BART, and easy freeway access. Don't miss this incredible opportunity!
Single-familyProperty Type
1936Year Built
10,170 sq ftLot Size
$820Est. Price/Sq.Ft.
2 car garageParking
Listed by Leslie Peterson•DRE #01452724• Evolve Real Estate
Listed by Kristen Bleth•DRE #02058725• Evolve Real Estate
Bought with Nuren Baral•DRE #02116981• Kingship Realty Group
bridgeMLS, Bay East AOR, or Contra Costa AOR #41091440
May 8, 2025
Sold
$990,000
$767/sq ft
Apr 11, 2025
Pending
—
Apr 1, 2025
Listed
$898,000
$696/sq ft
Public Records
Nov 29, 1994
Sold
$225,000
$174/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$5,246 (+2.5%)
$113,373 + $264,538
$377,911
2024
$5,120 (+1.9%)
$113,373 + $264,538
$377,911
2023
$5,024 (+2.2%)
$111,150 + $259,352
$370,502
2022
$4,916 (+2.7%)
$106,835 + $249,283
$356,118
2021
$4,785 (+2.4%)
$106,835 + $249,283
$356,118
2020
$4,674 (−1.6%)
$104,741 + $244,395
$349,136
2019
$4,751 (+3.0%)
$103,667 + $241,890
$345,557
2018
$4,615 (+2.8%)
$101,634 + $237,147
$338,781
2017
$4,492 (+5.1%)
$97,688 + $227,940
$325,628
2016
$4,272 (+7.0%)
$97,688 + $227,940
$325,628
2015
$3,993 (+1.6%)
$95,773 + $223,472
$319,245
2014
$3,930 (+1.1%)
$92,487 + $215,804
$308,291
2013
$3,888 (+0.1%)
$92,487 + $215,804
$308,291
2012
$3,883 (+1.4%)
$92,070 + $214,830
$306,900
2011
$3,831 (+0.7%)
$90,265 + $210,618
$300,883
2010
$3,802 (+1.8%)
$88,495 + $206,488
$294,983
2009
$3,733 (+3.8%)
$87,834 + $204,946
$292,780
2008
$3,596
$88,043 + $205,435
$293,478
Tax history for 18890 Redwood Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,246 (+2.5%)
$113,373 + $264,538
$377,911
2024
$5,120 (+1.9%)
$113,373 + $264,538
$377,911
2023
$5,024 (+2.2%)
$111,150 + $259,352
$370,502
2022
$4,916 (+2.7%)
$106,835 + $249,283
$356,118
2021
$4,785 (+2.4%)
$106,835 + $249,283
$356,118
2020
$4,674 (−1.6%)
$104,741 + $244,395
$349,136
2019
$4,751 (+3.0%)
$103,667 + $241,890
$345,557
2018
$4,615 (+2.8%)
$101,634 + $237,147
$338,781
2017
$4,492 (+5.1%)
$97,688 + $227,940
$325,628
2016
$4,272 (+7.0%)
$97,688 + $227,940
$325,628
2015
$3,993 (+1.6%)
$95,773 + $223,472
$319,245
2014
$3,930 (+1.1%)
$92,487 + $215,804
$308,291
2013
$3,888 (+0.1%)
$92,487 + $215,804
$308,291
2012
$3,883 (+1.4%)
$92,070 + $214,830
$306,900
2011
$3,831 (+0.7%)
$90,265 + $210,618
$300,883
2010
$3,802 (+1.8%)
$88,495 + $206,488
$294,983
2009
$3,733 (+3.8%)
$87,834 + $204,946
$292,780
2008
$3,596
$88,043 + $205,435
$293,478
*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
2
Baths
1
Stories
1
Lot width
—
Lot depth
—
Lot size
10,170 Sq. Ft.
Year renovated
1936
Sq. Ft.
1,290
Year built
1936
Style
Single Family Residential
County
Alameda County
APN
084C082500403
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 4, 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 30, 2017 • Final
Building
Tear off existing concrete tile roofing and install new composition asphalt shingles on a residential building. The project will utilize the existing roof deck.
Roofing
Jun 12, 2002 • Final
Building
Replace a water heater. No other changes are included.
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
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Detached
Interior
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Interior Features
Interior Features: Den, Office, Breakfast Nook, Stone Counters
Home facts updated by county records on Aug 4, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.6mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.0mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.3mi
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 2025. This data may not match public records. Learn more.