21427 Rizzo Ave
Castro Valley, CA 94546
3 bd 2 ba 1,706 sqft Built 1966 Lot 6,993 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 | $263,958 | $113,124 | $377,082 | $5,295 |
| 2024 | $263,958 | $113,124 | $377,082 | $5,157 |
| 2023 | $253,710 | $108,732 | $362,442 | $5,050 |
| 2022 | $248,736 | $106,600 | $355,336 | $4,927 |
| 2021 | $243,859 | $104,510 | $348,369 | $4,865 |
| 2020 | $241,360 | $103,439 | $344,799 | $4,797 |
| 2019 | $236,629 | $101,411 | $338,040 | $4,830 |
| 2018 | $231,989 | $99,423 | $331,412 | $4,628 |
| 2017 | $109,131 | $68,832 | $177,963 | $2,789 |
| 2016 | $106,991 | $67,482 | $174,473 | $2,619 |
| 2015 | $105,384 | $66,469 | $171,853 | $2,537 |
| 2014 | $103,320 | $65,167 | $168,487 | $2,398 |
| 2013 | $102,854 | $64,873 | $167,727 | $2,354 |
| 2012 | $100,837 | $63,601 | $164,438 | $2,298 |
| 2010 | $98,861 | $62,354 | $161,215 | $2,179 |
| 2009 | $98,122 | $61,888 | $160,010 | $2,198 |
| 2008 | $96,427 | $60,819 | $157,246 | $2,089 |
| 2007 | $94,537 | $59,627 | $154,164 | $1,944 |
Property facts
Year built
1966
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,706 sqft
Lot size
6,993 sqft
ZIP code
94546
City
Castro Valley
Street
Rizzo Ave
Coordinates
37.68889, -122.08109
Comparable properties nearby
Frequently asked questions
When did 21427 Rizzo Ave last sell?
No public-record sale is on file for 21427 Rizzo Ave.
What is the current tax assessment for 21427 Rizzo Ave?
The most recent total assessment for 21427 Rizzo Ave (year 2025) is $377,082 with $5,295 in property tax.
When was 21427 Rizzo Ave built?
21427 Rizzo Ave was built in 1966.
How does 21427 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 21427 Rizzo Ave?
21427 Rizzo Ave is a 3 bed, 2 bath, 1,706 sqft, 6,993 sqft lot single_family.
Is 21427 Rizzo Ave a flip candidate?
No — 21427 Rizzo Ave does not appear in our flips dataset.
Is 21427 Rizzo Ave a tax-appeal candidate?
No — 21427 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