18921 Patton Dr
Castro Valley, CA 94546
2 bd 1 ba 860 sqft Built 1949 Lot 4,374 sqft single_family
Most recent sale
$916,000
Mar 21, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 21, 2022 | Sold | $916,000 | MLS #40982514 |
| Feb 24, 2022 | Listed | $749,950 | MLS #40982514 |
| Dec 3, 1976 | Sold | $43,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $644,000 | $276,000 | $920,000 | $11,642 |
| 2024 | $644,000 | $276,000 | $920,000 | $11,422 |
| 2023 | $589,400 | $252,600 | $842,000 | $10,707 |
| 2022 | $29,534 | $67,063 | $96,597 | $1,825 |
| 2021 | $28,955 | $65,748 | $94,703 | $1,771 |
| 2020 | $28,658 | $65,074 | $93,732 | $1,727 |
| 2019 | $28,096 | $63,798 | $91,894 | $1,744 |
| 2018 | $27,545 | $62,547 | $90,092 | $1,692 |
| 2017 | $27,005 | $61,321 | $88,326 | $1,644 |
| 2016 | $26,476 | $60,119 | $86,595 | $1,563 |
| 2015 | $26,078 | $59,216 | $85,294 | $1,460 |
| 2014 | $25,567 | $58,056 | $83,623 | $1,415 |
| 2013 | $25,452 | $57,794 | $83,246 | $1,379 |
| 2012 | $24,953 | $56,661 | $81,614 | $1,340 |
| 2010 | $24,281 | $55,135 | $79,416 | $1,306 |
| 2009 | $24,281 | $55,135 | $79,416 | $1,298 |
| 2008 | $23,862 | $54,183 | $78,045 | $1,218 |
| 2007 | $23,394 | $53,120 | $76,514 | $1,182 |
Property facts
Year built
1949
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
860 sqft
Lot size
4,374 sqft
ZIP code
94546
City
Castro Valley
Street
Patton Dr
Coordinates
37.70913, -122.07741
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$2,752
Gross rental yield
3.61%
Implied cap rate
2.34%
Trend-extrapolated value
—
Frequently asked questions
When did 18921 Patton Dr last sell?
18921 Patton Dr most recently sold on Mar 21, 2022 for $916,000.
What is the current tax assessment for 18921 Patton Dr?
The most recent total assessment for 18921 Patton Dr (year 2025) is $920,000 with $11,642 in property tax.
How does 18921 Patton Dr's assessment compare to its last sale price?
The current assessment is 0.4% above the last sale price of $916,000.
When was 18921 Patton Dr built?
18921 Patton Dr was built in 1949.
How does 18921 Patton Dr compare to others on Patton Dr?
We do not currently track other properties on Patton Dr.
What are the property facts for 18921 Patton Dr?
18921 Patton Dr is a 2 bed, 1 bath, 860 sqft, 4,374 sqft lot single_family.
Is 18921 Patton Dr a flip candidate?
No — 18921 Patton Dr does not appear in our flips dataset.
Is 18921 Patton Dr a tax-appeal candidate?
No — 18921 Patton Dr 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