21487 Rizzo Ave
Castro Valley, CA 94546
3 bd 1 ba 1,118 sqft Built 1942 Lot 8,175 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $321,300 | $137,700 | $459,000 | $7,023 |
| 2024 | $321,300 | $137,700 | $459,000 | $7,560 |
| 2023 | $321,917 | $225,342 | $547,259 | $7,420 |
| 2022 | $315,607 | $220,925 | $536,532 | $7,252 |
| 2021 | $309,420 | $216,594 | $526,014 | $7,174 |
| 2020 | $306,247 | $214,373 | $520,620 | $7,081 |
| 2019 | $300,245 | $210,171 | $510,416 | $7,135 |
| 2018 | $294,360 | $206,052 | $500,412 | $6,703 |
| 2017 | $288,590 | $202,013 | $490,603 | $6,538 |
| 2016 | $282,932 | $198,052 | $480,984 | $6,171 |
| 2015 | $301,000 | $129,000 | $430,000 | $5,523 |
| 2014 | $287,000 | $123,000 | $410,000 | $5,101 |
| 2013 | $241,500 | $103,500 | $345,000 | $4,354 |
| 2012 | $220,500 | $94,500 | $315,000 | $4,010 |
| 2010 | $203,000 | $87,000 | $290,000 | $4,161 |
| 2009 | $234,500 | $100,500 | $335,000 | $4,175 |
| 2008 | $255,000 | $178,500 | $433,500 | $5,198 |
| 2007 | $18,300 | $28,548 | $46,848 | $836 |
Property facts
Year built
1942
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,118 sqft
Lot size
8,175 sqft
ZIP code
94546
City
Castro Valley
Street
Rizzo Ave
Coordinates
37.68765, -122.08007
Comparable properties nearby
Frequently asked questions
When did 21487 Rizzo Ave last sell?
No public-record sale is on file for 21487 Rizzo Ave.
What is the current tax assessment for 21487 Rizzo Ave?
The most recent total assessment for 21487 Rizzo Ave (year 2025) is $459,000 with $7,023 in property tax.
When was 21487 Rizzo Ave built?
21487 Rizzo Ave was built in 1942.
How does 21487 Rizzo Ave compare to others on Rizzo Ave?
We track 5 other properties on Rizzo Ave. Browse the list under "Other properties on Rizzo Ave" to compare beds, baths, and sale history.
What are the property facts for 21487 Rizzo Ave?
21487 Rizzo Ave is a 3 bed, 1 bath, 1,118 sqft, 8,175 sqft lot single_family.
Is 21487 Rizzo Ave a flip candidate?
No — 21487 Rizzo Ave does not appear in our flips dataset.
Is 21487 Rizzo Ave a tax-appeal candidate?
No — 21487 Rizzo Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.1%
Implied 1-yr
-8.4%
2026 Q3
$875.4K
2026 Q4
$875.4K
ZIP 94546 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Rizzo Ave