20957 Ashfield Ave
Castro Valley, CA 94546
4 bd 4 ba 2,910 sqft Built 1956 Lot 5,300 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 | $776,555 | $332,809 | $1,109,364 | $13,877 |
| 2024 | $776,555 | $332,809 | $1,109,364 | $13,575 |
| 2023 | $746,402 | $319,886 | $1,066,288 | $13,370 |
| 2022 | $731,769 | $313,615 | $1,045,384 | $13,123 |
| 2021 | $717,423 | $307,467 | $1,024,890 | $12,874 |
| 2020 | $710,073 | $304,317 | $1,014,390 | $12,583 |
| 2019 | $696,150 | $298,350 | $994,500 | $12,823 |
| 2018 | $682,500 | $292,500 | $975,000 | $12,463 |
| 2017 | $481,335 | $78,202 | $559,537 | $7,298 |
| 2016 | $471,899 | $76,669 | $548,568 | $6,944 |
| 2015 | $464,814 | $75,517 | $540,331 | $6,490 |
| 2014 | $455,711 | $74,038 | $529,749 | $6,410 |
| 2013 | $453,654 | $73,704 | $527,358 | $6,361 |
| 2012 | $444,760 | $72,259 | $517,019 | $6,233 |
| 2010 | $436,041 | $70,842 | $506,883 | $6,105 |
| 2009 | $432,784 | $70,313 | $503,097 | $6,133 |
| 2008 | $425,309 | $69,099 | $494,408 | $5,940 |
| 2007 | $314,970 | $67,744 | $382,714 | $4,639 |
Property facts
Year built
1956
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
2,910 sqft
Lot size
5,300 sqft
ZIP code
94546
City
Castro Valley
Street
Ashfield Ave
Coordinates
37.69349, -122.07888
Comparable properties nearby
Frequently asked questions
When did 20957 Ashfield Ave last sell?
No public-record sale is on file for 20957 Ashfield Ave.
What is the current tax assessment for 20957 Ashfield Ave?
The most recent total assessment for 20957 Ashfield Ave (year 2025) is $1,109,364 with $13,877 in property tax.
When was 20957 Ashfield Ave built?
20957 Ashfield Ave was built in 1956.
How does 20957 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 20957 Ashfield Ave?
20957 Ashfield Ave is a 4 bed, 4 bath, 2,910 sqft, 5,300 sqft lot single_family.
Is 20957 Ashfield Ave a flip candidate?
No — 20957 Ashfield Ave does not appear in our flips dataset.
Is 20957 Ashfield Ave a tax-appeal candidate?
No — 20957 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