20073 Diamond Ct
Castro Valley, CA 94546
3 bd 1 ba 1,276 sqft Built 1949 Lot 7,669 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 | $681,800 | $292,200 | $974,000 | $12,280 |
| 2024 | $681,800 | $292,200 | $974,000 | $12,012 |
| 2023 | $756,840 | $324,360 | $1,081,200 | $13,547 |
| 2022 | $742,000 | $318,000 | $1,060,000 | $13,297 |
| 2021 | $582,884 | $249,807 | $832,691 | $10,514 |
| 2020 | $576,912 | $247,248 | $824,160 | $10,275 |
| 2019 | $307,692 | $131,868 | $439,560 | $5,978 |
| 2018 | $301,660 | $129,283 | $430,943 | $5,808 |
| 2017 | $295,747 | $126,748 | $422,495 | $5,654 |
| 2016 | $289,948 | $124,263 | $414,211 | $5,379 |
| 2015 | $285,594 | $122,397 | $407,991 | $5,027 |
| 2014 | $280,000 | $120,000 | $400,000 | $4,957 |
| 2013 | $282,030 | $120,870 | $402,900 | $4,965 |
| 2012 | $38,012 | $74,256 | $112,268 | $1,684 |
| 2010 | $37,266 | $72,800 | $110,066 | $1,643 |
| 2009 | $36,988 | $72,256 | $109,244 | $1,639 |
| 2008 | $36,349 | $71,008 | $107,357 | $1,550 |
| 2007 | $35,636 | $69,615 | $105,251 | $1,506 |
Property facts
Year built
1949
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,276 sqft
Lot size
7,669 sqft
ZIP code
94546
City
Castro Valley
Street
Diamond Ct
Coordinates
37.69739, -122.06112
Comparable properties nearby
Frequently asked questions
When did 20073 Diamond Ct last sell?
No public-record sale is on file for 20073 Diamond Ct.
What is the current tax assessment for 20073 Diamond Ct?
The most recent total assessment for 20073 Diamond Ct (year 2025) is $974,000 with $12,280 in property tax.
When was 20073 Diamond Ct built?
20073 Diamond Ct was built in 1949.
How does 20073 Diamond Ct compare to others on Diamond Ct?
We do not currently track other properties on Diamond Ct.
What are the property facts for 20073 Diamond Ct?
20073 Diamond Ct is a 3 bed, 1 bath, 1,276 sqft, 7,669 sqft lot single_family.
Is 20073 Diamond Ct a flip candidate?
No — 20073 Diamond Ct does not appear in our flips dataset.
Is 20073 Diamond Ct a tax-appeal candidate?
No — 20073 Diamond Ct 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
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Geography