21583 Castleton St
Cupertino, CA 95014
4 bd 3 ba 2,102 sqft Built 1966 Lot 7,500 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 | $806,771 | $2,184,629 | $2,991,400 | $35,832 |
| 2024 | $806,771 | $2,184,629 | $2,991,400 | $31,756 |
| 2023 | $415,583 | $2,099,799 | $2,515,382 | $30,357 |
| 2022 | $407,435 | $2,058,627 | $2,466,062 | $29,946 |
| 2021 | $399,447 | $2,018,262 | $2,417,709 | $29,641 |
| 2020 | $395,352 | $1,997,568 | $2,392,920 | $29,283 |
| 2019 | $387,600 | $1,958,400 | $2,346,000 | $28,585 |
| 2018 | $380,000 | $1,920,000 | $2,300,000 | $27,828 |
| 2017 | $232,505 | $619,118 | $851,623 | $11,003 |
| 2016 | $227,947 | $606,979 | $834,926 | $10,643 |
| 2015 | $224,524 | $597,862 | $822,386 | $10,553 |
| 2014 | $220,126 | $586,151 | $806,277 | $10,276 |
| 2013 | $219,132 | $583,502 | $802,634 | $10,179 |
| 2012 | $214,836 | $572,061 | $786,897 | $10,017 |
| 2010 | $210,624 | $560,845 | $771,469 | $9,421 |
| 2009 | $209,050 | $556,654 | $765,704 | $9,417 |
| 2008 | $205,439 | $547,037 | $752,476 | $8,853 |
| 2007 | $201,411 | $536,311 | $737,722 | $8,635 |
Property facts
Year built
1966
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,102 sqft
Lot size
7,500 sqft
ZIP code
95014
City
Cupertino
Street
Castleton St
Coordinates
37.30739, -122.05184
Comparable properties nearby
Frequently asked questions
When did 21583 Castleton St last sell?
No public-record sale is on file for 21583 Castleton St.
What is the current tax assessment for 21583 Castleton St?
The most recent total assessment for 21583 Castleton St (year 2025) is $2,991,400 with $35,832 in property tax.
When was 21583 Castleton St built?
21583 Castleton St was built in 1966.
How does 21583 Castleton St compare to others on Castleton St?
We track 1 other property on Castleton St. Browse the list under "Other properties on Castleton St" to compare beds, baths, and sale history.
What are the property facts for 21583 Castleton St?
21583 Castleton St is a 4 bed, 3 bath, 2,102 sqft, 7,500 sqft lot single_family.
Is 21583 Castleton St a flip candidate?
No — 21583 Castleton St does not appear in our flips dataset.
Is 21583 Castleton St a tax-appeal candidate?
No — 21583 Castleton St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-1.6%
Implied 1-yr
-6.2%
2026 Q2
$2.39M
2026 Q3
$2.35M
ZIP 95014 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Castleton St