Rizzo Ave, Castro Valley, CA Property Records

Alameda County property records for 43 addresses on Rizzo Ave, Castro Valley, CA · Last verified August 2026

Rizzo Ave Highlights

Properties 43
Median Sale Price $765,000
Deeds and Mortgages on File 81
Median Price per Sqft $674
Owner Occupied 88%
Median Annual Tax Bill $7,407
Median Year Built 1946
Median Ownership Tenure 11 years

Properties on Rizzo Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

21306 Rizzo Ave

2 bd · 5 ba · 2,986 sqft · built 1952 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Sep 2014 $13,9272025 Amount on Record Sep 2004 1 Name on Record AssessorUpdated Aug 2026

21318 Rizzo Ave

3 bd · 1 ba · 1,828 sqft · built 1947 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$357,000Feb 2010 $6,3782025 Amount on Record Nov 2009 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

21319 Rizzo Ave

3 bd · 1 ba · 1,100 sqft · built 1946 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$172,500Aug 1990 $5,0382025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

21324 Rizzo Ave

3 bd · 1 ba · 1,210 sqft · built 1947 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$695,000Sep 2018 $10,1982025 —Dec 1998 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

21325 Rizzo Ave

3 bd · 1 ba · 1,100 sqft · built 1946 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2006 $6,1302025 —Oct 1998 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

21330 Rizzo Ave

3 bd · 1 ba · 1,450 sqft · built 1947 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,000Oct 1995 $3,8232025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21331 Rizzo Ave

4 bd · 2 ba · 2,224 sqft · built 1946 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$510,000May 2013 $8,4482025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

21336 Rizzo Ave

2 bd · 2 ba · 1,100 sqft · built 1947 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$429,000Sep 2004 $8,0082025 —Oct 2020 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

21337 Rizzo Ave

3 bd · 1 ba · 1,100 sqft · built 1946 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$179,000Aug 1996 $4,8902025 —Aug 1996 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

21342 Rizzo Ave

2 bd · 1 ba · 1,100 sqft · built 1947 · 0.118 acres

Last Sale Tax Bill Prior Sale Owner Records
$558,000Jan 2018 $9,2102025 Amount on Record Feb 2021 1 Name on Record Assessor + 3 DocumentsUpdated Nov 2025

21343 Rizzo Ave

2 bd · 1 ba · 1,100 sqft · built 1946 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,2802025 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

21348 Rizzo Ave

2 bd · 1 ba · 1,100 sqft · built 1947 · 0.12 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Aug 2018 $9,4692025 Amount on Record Dec 2017 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

21349 Rizzo Ave

2 bd · 1 ba · 1,075 sqft · built 1946 · 0.118 acres

Last Sale Tax Bill Prior Sale Owner Records
$499,000Aug 2015 $8,7372025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

21354 Rizzo Ave

2 bd · 2 ba · 1,455 sqft · built 1947 · 0.211 acres

Last Sale Tax Bill Prior Sale Owner Records
$780,000Dec 2022 $10,6292025 —Jun 2019 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Oct 2025

21360 Rizzo Ave

3 bd · 1 ba · 1,371 sqft · built 1947 · 0.294 acres

Last Sale Tax Bill Prior Sale Owner Records
$605,000Aug 2016 $9,2462025 —Oct 2012 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

21366 Rizzo Ave

3 bd · 1 ba · 1,531 sqft · built 1946 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,5742025 —Aug 2023 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

21367 Rizzo Ave

3 bd · 1 ba · 1,245 sqft · built 1946 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Sep 2021 $11,7052025 —Sep 2003 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

21372 Rizzo Ave

3 bd · 1 ba · 1,237 sqft · built 1946 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2001 $1,7982025 —Jul 1997 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

21378 Rizzo Ave

3 bd · 2 ba · 1,300 sqft · built 1946 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$407,500Jan 2008 $7,2622025 —Mar 2014 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

21384 Rizzo Ave

2 bd · 1 ba · 1,100 sqft · built 1946 · 0.158 acres

Last Sale Tax Bill Prior Sale Owner Records
$128,000Apr 1994 $6,8982025 —Oct 2003 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

21403 Rizzo Ave

3 bd · 1 ba · 1,245 sqft · built 1946 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$127,500Aug 2014 $7,9132025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

21409 Rizzo Ave

3 bd · 2 ba · 1,633 sqft · built 1946 · 0.208 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Oct 2016 $9,8672025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

21410 Rizzo Ave

4 bd · 2 ba · 1,865 sqft · built 1946 · 0.19 acres

Last Sale Tax Bill Prior Sale Owner Records
$226,000Nov 1998 $5,1932025 —Dec 2002 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21415 Rizzo Ave

4 bd · 2 ba · 1,587 sqft · built 1946 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2024 $11,2102025 Amount on Record Jul 2016 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

21421 Rizzo Ave

2 bd · 1 ba · 1,122 sqft · built 1946 · 0.132 acres

Last Sale Tax Bill Prior Sale Owner Records
$730,000Jun 2024 $9,8342025 Amount on Record May 1999 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

21422 Rizzo Ave

3 bd · 2 ba · 1,764 sqft · built 1945 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Apr 2014 $8,3882025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

21427 Rizzo Ave

3 bd · 2 ba · 1,706 sqft · built 1942 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$730,000Jul 2017 $5,2952025 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2025

21428 Rizzo Ave

3 bd · 1.5 ba · 1,664 sqft · built 1951 · 0.247 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Jan 1984 $3,3642025 —Oct 2014 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

21433 Rizzo Ave

4 bd · 1.5 ba · 1,327 sqft · built 1942 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$670,000Nov 2018 $11,4502025 Amount on Record Aug 2018 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

21439 Rizzo Ave

3 bd · 2 ba · 1,134 sqft · built 1942 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$765,000Apr 2019 $11,1262025 Amount on Record Dec 2018 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

21440 Rizzo Ave

2 bd · 1 ba · 834 sqft · built 1943 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$301,000May 2015 $6,9722025 Amount on Record Nov 2013 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

21445 Rizzo Ave

2 bd · 1 ba · 1,356 sqft · built 1942 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,7232025 —Dec 2007 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21446 Rizzo Ave

3 bd · 2 ba · 1,552 sqft · built 1943 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,7232025 —Jun 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

21451 Rizzo Ave

3 bd · 2 ba · 1,650 sqft · built 1973 · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Jan 1996 $4,6532025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

21452 Rizzo Ave

3 bd · 1 ba · 1,104 sqft · built 1941 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$685,000Feb 2018 $10,1642025 Amount on Record Oct 2015 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

21457 Rizzo Ave

2 bd · 1 ba · 1,104 sqft · built 1942 · 0.157 acres

Last Sale Tax Bill Prior Sale Owner Records
$567,000Oct 2017 $8,5692025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

21460 Rizzo Ave

2 bd · 1 ba · 1,104 sqft · built 1942 · 0.134 acres

Last Sale Tax Bill Prior Sale Owner Records
$283,000Jun 2000 $6,0712025 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

21463 Rizzo Ave

2 bd · 1 ba · 1,070 sqft · built 1942 · 0.153 acres

Last Sale Tax Bill Prior Sale Owner Records
$740,000May 2025 $5,2312025 Amount on Record Feb 2009 2 Names on Record Owner Occupied AssessorUpdated May 2026

21469 Rizzo Ave

2 bd · 1 ba · 834 sqft · built 1942 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5692025 —Apr 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21470 Rizzo Ave

3 bd · 2 ba · 1,072 sqft · built 1958 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$385,000Feb 2004 $7,4072025 Amount on Record Oct 1999 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

21475 Rizzo Ave

2 bd · 1 ba · 1,146 sqft · built 1942 · 0.228 acres

Last Sale Tax Bill Prior Sale Owner Records
$955,000Jun 2024 $12,5612025 Amount on Record Jan 2024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

21487 Rizzo Ave

3 bd · 1 ba · 1,118 sqft · built 1942 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Jun 2024 $7,0232025 Amount on Record Jun 2007 1 Name on Record AssessorUpdated Oct 2025

21488 Rizzo Ave

2 bd · 1 ba · 834 sqft · built 1941 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Dec 2004 $8,3552025 —Apr 2020 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

Wildfire Risk on Rizzo Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Property Records in Nearby Streets