21661 Justco Ln
Castro Valley, CA 94552
4 bd 3 ba 1,741 sqft Built 1989 Lot 3,986 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 | $864,500 | $370,500 | $1,235,000 | $15,359 |
| 2024 | $864,500 | $370,500 | $1,235,000 | $11,537 |
| 2023 | $627,743 | $269,032 | $896,775 | $11,357 |
| 2022 | $615,437 | $263,758 | $879,195 | $11,144 |
| 2021 | $603,371 | $258,587 | $861,958 | $10,861 |
| 2020 | $597,189 | $255,938 | $853,127 | $10,614 |
| 2019 | $585,480 | $250,920 | $836,400 | $10,812 |
| 2018 | $574,000 | $246,000 | $820,000 | $10,507 |
| 2017 | $581,066 | $249,028 | $830,094 | $10,629 |
| 2016 | $569,676 | $244,147 | $813,823 | $10,116 |
| 2015 | $480,200 | $205,800 | $686,000 | $8,177 |
| 2014 | $464,100 | $198,900 | $663,000 | $7,981 |
| 2013 | $350,000 | $150,000 | $500,000 | $6,133 |
| 2012 | $346,500 | $148,500 | $495,000 | $6,064 |
| 2010 | $361,200 | $154,800 | $516,000 | $6,727 |
| 2009 | $385,700 | $165,300 | $551,000 | $6,027 |
| 2008 | $469,000 | $201,000 | $670,000 | $8,011 |
| 2007 | $503,370 | $215,730 | $719,100 | $8,517 |
Property facts
Year built
1989
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
1,741 sqft
Lot size
3,986 sqft
ZIP code
94552
City
Castro Valley
Street
Justco Ln
Coordinates
37.69535, -122.05279
Comparable properties nearby
Frequently asked questions
When did 21661 Justco Ln last sell?
No public-record sale is on file for 21661 Justco Ln.
What is the current tax assessment for 21661 Justco Ln?
The most recent total assessment for 21661 Justco Ln (year 2025) is $1,235,000 with $15,359 in property tax.
When was 21661 Justco Ln built?
21661 Justco Ln was built in 1989.
How does 21661 Justco Ln compare to others on Justco Ln?
We do not currently track other properties on Justco Ln.
What are the property facts for 21661 Justco Ln?
21661 Justco Ln is a 4 bed, 3 bath, 1,741 sqft, 3,986 sqft lot single_family.
Is 21661 Justco Ln a flip candidate?
No — 21661 Justco Ln does not appear in our flips dataset.
Is 21661 Justco Ln a tax-appeal candidate?
No — 21661 Justco Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+8.0%
Implied 1-yr
+31.8%
2026 Q1
$3.7M
2026 Q2
$3.7M
ZIP 94552 — Median Price History + Forecast
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Geography