Beautiful 4 bed / 2 bath Castro Valley/Baywood Home! Completely remodeled!! Granite counter tops, Hardwood floors, crown molding, remodeled backyard with built-in BBQ & fire pit! Walking distance to Trader Joe's grocery and BART! This property will not last!
Single-familyProperty Type
1946Year Built
8,092 sq ftLot Size
$699Est. Price/Sq.Ft.
2 car garageParking
Listed by Anthony Arsondi•DRE #01739552• Keller Williams Tri Valley
Listed by Pamela Ann Northup•DRE #01517489• Keller Williams Tri Valley
Bought with Christina Reyes•DRE #01733729• New Cal Realty
bridgeMLS, Bay East AOR, or Contra Costa AOR #40739773
Jul 7, 2016
Sold
$675,000
$425/sq ft
May 18, 2016
Pending
—
May 10, 2016
Listed
$675,000
$425/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40162090
Feb 17, 2015
Listing Removed
—
Public Records
Dec 7, 2012
Sold
$440,000
$277/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40591368
Dec 17, 2012
Listing Removed
—
Dec 17, 2012
Sold
$440,000
$277/sq ft
Oct 9, 2012
Pending
—
Oct 2, 2012
Listed
$425,000
$268/sq ft
+25
Beautiful 4 bed / 2 bath Castro Valley/Baywood Home! Completely remodeled!! Granite counter tops, Hardwood floors, crown molding, new AC, remodeled backyard with built-in BBQ & fire pit! Walking distance to Trader Joe's grocery and BART! This property will not last! NOT a SHORT SALE or FORECLOSURE!!
bridgeMLS, Bay East AOR, or Contra Costa AOR #40468323
Jun 16, 2010
Listing Removed
—
May 25, 2010
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40400479
Jun 5, 2009
Sold
$425,000
$268/sq ft
Mar 31, 2009
Listing Removed
—
Mar 17, 2009
Listed
$434,900
$274/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40334456
Feb 26, 2009
Listing Removed
—
Jul 24, 2008
Price Changed
*
Jul 24, 2008
Relisted
—
Apr 8, 2008
Listing Removed
—
Apr 7, 2008
Contingent
—
Apr 5, 2008
Listed
*
Public Records
Sep 22, 2006
Sold
$685,000
$432/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40194493
Aug 8, 2006
Listing Removed
—
Aug 4, 2006
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40185018
Aug 2, 2006
Listing Removed
—
Jul 7, 2006
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40166145
Jul 7, 2006
Listing Removed
—
May 11, 2006
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40130625
Jan 26, 2006
Sold
$550,000
$347/sq ft
Dec 30, 2005
Listing Removed
—
Dec 12, 2005
Listed
$575,000
$362/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$11,210 (+2.5%)
$278,051 + $582,323
$860,374
2024
$10,939 (+10.9%)
$278,051 + $582,323
$860,374
2023
$9,867 (+2.2%)
$272,600 + $570,906
$843,506
2022
$9,650 (+1.0%)
$221,460 + $516,740
$738,200
2021
$9,553 (+1.3%)
$221,460 + $516,740
$738,200
2020
$9,432 (−0.8%)
$217,118 + $506,609
$723,727
2019
$9,506 (+6.6%)
$214,893 + $501,417
$716,310
2018
$8,920 (+2.5%)
$210,681 + $491,589
$702,270
2017
$8,701 (+49.3%)
$202,500 + $472,500
$675,000
2016
$5,828 (+2.6%)
$202,500 + $472,500
$675,000
2015
$5,678 (+5.7%)
$137,310 + $320,390
$457,700
2014
$5,372 (+1.2%)
$132,599 + $309,398
$441,997
2013
$5,309 (−0.2%)
$132,599 + $309,398
$441,997
2012
$5,323 (+1.5%)
$132,000 + $308,000
$440,000
2011
$5,245 (+2.2%)
$130,718 + $305,008
$435,726
2010
$5,131 (+3.4%)
$128,155 + $299,029
$427,184
2009
$4,962 (−30.4%)
$127,197 + $296,794
$423,991
2008
$7,130
$123,000 + $287,000
$410,000
Tax history for 21415 Rizzo Ave
Year
Property tax
Land + Additions
Assessment*
2025
$11,210 (+2.5%)
$278,051 + $582,323
$860,374
2024
$10,939 (+10.9%)
$278,051 + $582,323
$860,374
2023
$9,867 (+2.2%)
$272,600 + $570,906
$843,506
2022
$9,650 (+1.0%)
$221,460 + $516,740
$738,200
2021
$9,553 (+1.3%)
$221,460 + $516,740
$738,200
2020
$9,432 (−0.8%)
$217,118 + $506,609
$723,727
2019
$9,506 (+6.6%)
$214,893 + $501,417
$716,310
2018
$8,920 (+2.5%)
$210,681 + $491,589
$702,270
2017
$8,701 (+49.3%)
$202,500 + $472,500
$675,000
2016
$5,828 (+2.6%)
$202,500 + $472,500
$675,000
2015
$5,678 (+5.7%)
$137,310 + $320,390
$457,700
2014
$5,372 (+1.2%)
$132,599 + $309,398
$441,997
2013
$5,309 (−0.2%)
$132,599 + $309,398
$441,997
2012
$5,323 (+1.5%)
$132,000 + $308,000
$440,000
2011
$5,245 (+2.2%)
$130,718 + $305,008
$435,726
2010
$5,131 (+3.4%)
$128,155 + $299,029
$427,184
2009
$4,962 (−30.4%)
$127,197 + $296,794
$423,991
2008
$7,130
$123,000 + $287,000
$410,000
*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
2
Stories
1
Lot width
—
Lot depth
—
Lot size
8,092 Sq. Ft.
Year renovated
1963
Sq. Ft.
1,587
Year built
1946
Style
Single Family Residential
County
Alameda County
APN
415 006006100
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
Jun 9, 2009 • Final
Building
Reline a chimney with a stainless steel liner. Repair the chimney from the roof line up.
Roofing
Feb 7, 2007 • Final
Building
Apply stucco to the exterior walls of a home.
Remodel
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, Workshop in Garage
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Shower Over Tub, Updated Baths
Primary Bathroom Included Features: Stall Shower, Updated Baths
Interior Features
Interior Features: Bonus/Plus Room, Dining Area, Family Room, Rec/Rumpus Room, Storage, Workshop, Stone Counters
Appliances: Gas Range, Microwave
Laundry Features: In Garage
Street Level Features: 4 Bedrooms, 2 Baths, Main Entry
Exterior Features: Back Yard, Front Yard, Garden/Play, Side Yard, Storage
Fencing: Fenced
Roof: Shingle
Property Information
Living Area: 1587
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1946
Lot Information
Lot Size Square Feet: 8092
Lot Size Area: 0.185767
Lot Size Units: Acres
Lot Size Acres: 0.185767
Lot Features: Regular
Zoning: 1001
Utilities
Utility Information
Water Source: Public
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Ceiling Fan(s), Central Air
Location
School Information
High School District: Hayward (510) 784-2600
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,587
Stories: 1.0
Lot Size: 8,092 square feet
Style: Single Family Residential
Year Built: 1946
Year Renovated: 1963
County: Alameda County
APN: 415 006006100
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Fairview Elementary School
Public K-6 • Assigned • 1.7mi
2/10
Bret Harte Middle School
Public 7-8 • Assigned • 1.4mi
4/10
Hayward High School
Public 9-12 • Assigned • 1.4mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley is moving at a brisk pace this summer! Median prices are holding steady around $1.2M, but well-priced, turnkey homes are flying off the market in under 15 days, often over asking. Inventory is moving fast, so buyers must come prepared...
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 2016. This data may not match public records. Learn more.