21143 Ashfield Ave
Castro Valley, CA 94546
3 bd 2 ba 1,314 sqft Built 1955 Lot 5,400 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 | $639,858 | $272,769 | $912,627 | $11,555 |
| 2024 | $639,858 | $272,769 | $912,627 | $11,301 |
| 2023 | $615,019 | $262,180 | $877,199 | $11,125 |
| 2022 | $599,760 | $257,040 | $856,800 | $10,877 |
| 2021 | $588,000 | $252,000 | $840,000 | $10,601 |
| 2020 | $158,206 | $67,455 | $225,661 | $3,352 |
| 2019 | $155,105 | $66,132 | $221,237 | $3,405 |
| 2018 | $152,064 | $64,836 | $216,900 | $3,307 |
| 2017 | $149,083 | $63,565 | $212,648 | $3,219 |
| 2016 | $146,160 | $62,319 | $208,479 | $3,064 |
| 2015 | $143,965 | $61,383 | $205,348 | $3,143 |
| 2014 | $141,145 | $60,180 | $201,325 | $2,811 |
| 2013 | $140,508 | $59,909 | $200,417 | $2,772 |
| 2012 | $137,753 | $58,734 | $196,487 | $2,709 |
| 2010 | $135,052 | $57,583 | $192,635 | $2,651 |
| 2009 | $134,044 | $57,153 | $191,197 | $2,653 |
| 2008 | $131,728 | $56,165 | $187,893 | $2,543 |
| 2007 | $129,146 | $55,064 | $184,210 | $2,477 |
Property facts
Year built
1955
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,314 sqft
Lot size
5,400 sqft
ZIP code
94546
City
Castro Valley
Street
Ashfield Ave
Coordinates
37.69189, -122.07885
Comparable properties nearby
Frequently asked questions
When did 21143 Ashfield Ave last sell?
No public-record sale is on file for 21143 Ashfield Ave.
What is the current tax assessment for 21143 Ashfield Ave?
The most recent total assessment for 21143 Ashfield Ave (year 2025) is $912,627 with $11,555 in property tax.
When was 21143 Ashfield Ave built?
21143 Ashfield Ave was built in 1955.
How does 21143 Ashfield Ave compare to others on Ashfield Ave?
We track 6 other properties on Ashfield Ave. Browse the list under "Other properties on Ashfield Ave" to compare beds, baths, and sale history.
What are the property facts for 21143 Ashfield Ave?
21143 Ashfield Ave is a 3 bed, 2 bath, 1,314 sqft, 5,400 sqft lot single_family.
Is 21143 Ashfield Ave a flip candidate?
No — 21143 Ashfield Ave does not appear in our flips dataset.
Is 21143 Ashfield Ave a tax-appeal candidate?
No — 21143 Ashfield 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 Ashfield Ave