21971 Orange Ave
Castro Valley, CA 94546
3 bd 2 ba 1,753 sqft Built 1941 Lot 7,500 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 | $620,775 | $266,046 | $886,821 | $11,441 |
| 2024 | $620,775 | $266,046 | $886,821 | $11,163 |
| 2023 | $596,673 | $255,717 | $852,390 | $10,966 |
| 2022 | $584,976 | $250,704 | $835,680 | $10,725 |
| 2021 | $573,506 | $245,788 | $819,294 | $10,618 |
| 2020 | $567,630 | $243,270 | $810,900 | $10,484 |
| 2019 | $511,000 | $219,000 | $730,000 | $9,849 |
| 2018 | $229,440 | $65,698 | $295,138 | $4,200 |
| 2017 | $224,942 | $64,410 | $289,352 | $4,095 |
| 2016 | $220,533 | $63,148 | $283,681 | $3,856 |
| 2015 | $217,222 | $62,199 | $279,421 | $3,748 |
| 2014 | $212,968 | $60,981 | $273,949 | $3,545 |
| 2013 | $212,006 | $60,706 | $272,712 | $3,493 |
| 2012 | $207,849 | $59,516 | $267,365 | $3,417 |
| 2010 | $203,774 | $58,349 | $262,123 | $3,270 |
| 2009 | $202,252 | $57,913 | $260,165 | $3,309 |
| 2008 | $198,758 | $56,912 | $255,670 | $3,169 |
| 2007 | $194,862 | $55,797 | $250,659 | $2,939 |
Property facts
Year built
1941
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,753 sqft
Lot size
7,500 sqft
ZIP code
94546
City
Castro Valley
Street
Orange Ave
Coordinates
37.68478, -122.08025
Comparable properties nearby
Frequently asked questions
When did 21971 Orange Ave last sell?
No public-record sale is on file for 21971 Orange Ave.
What is the current tax assessment for 21971 Orange Ave?
The most recent total assessment for 21971 Orange Ave (year 2025) is $886,821 with $11,441 in property tax.
When was 21971 Orange Ave built?
21971 Orange Ave was built in 1941.
How does 21971 Orange Ave compare to others on Orange Ave?
We track 8 other properties on Orange Ave. Browse the list under "Other properties on Orange Ave" to compare beds, baths, and sale history.
What are the property facts for 21971 Orange Ave?
21971 Orange Ave is a 3 bed, 2 bath, 1,753 sqft, 7,500 sqft lot single_family.
Is 21971 Orange Ave a flip candidate?
No — 21971 Orange Ave does not appear in our flips dataset.
Is 21971 Orange Ave a tax-appeal candidate?
No — 21971 Orange 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 Orange Ave