21528 Rosario Ave
Cupertino, CA 95014
4 bd 3 ba 2,248 sqft Built 1972 Lot 7,673 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 | $128,555 | $2,441,234 | $2,569,789 | $30,926 |
| 2024 | $128,555 | $2,441,234 | $2,569,789 | $30,082 |
| 2023 | $123,564 | $2,346,439 | $2,470,003 | $29,826 |
| 2022 | $121,142 | $2,300,431 | $2,421,573 | $29,427 |
| 2021 | $118,767 | $2,255,325 | $2,374,092 | $29,126 |
| 2020 | $210,405 | $72,464 | $282,869 | $4,181 |
| 2019 | $206,280 | $71,044 | $277,324 | $4,048 |
| 2018 | $202,236 | $69,651 | $271,887 | $3,863 |
| 2017 | $198,271 | $68,286 | $266,557 | $3,807 |
| 2016 | $194,384 | $66,948 | $261,332 | $3,661 |
| 2015 | $191,465 | $65,943 | $257,408 | $3,608 |
| 2014 | $187,715 | $64,652 | $252,367 | $3,501 |
| 2013 | $186,867 | $64,360 | $251,227 | $3,457 |
| 2012 | $183,203 | $63,099 | $246,302 | $3,384 |
| 2010 | $179,611 | $61,862 | $241,473 | $3,207 |
| 2009 | $178,269 | $61,400 | $239,669 | $3,205 |
| 2008 | $175,190 | $60,340 | $235,530 | $3,043 |
| 2007 | $171,755 | $59,157 | $230,912 | $2,974 |
Property facts
Year built
1972
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,248 sqft
Lot size
7,673 sqft
ZIP code
95014
City
Cupertino
Street
Rosario Ave
Coordinates
37.30913, -122.05068
Comparable properties nearby
Frequently asked questions
When did 21528 Rosario Ave last sell?
No public-record sale is on file for 21528 Rosario Ave.
What is the current tax assessment for 21528 Rosario Ave?
The most recent total assessment for 21528 Rosario Ave (year 2025) is $2,569,789 with $30,926 in property tax.
When was 21528 Rosario Ave built?
21528 Rosario Ave was built in 1972.
How does 21528 Rosario Ave compare to others on Rosario Ave?
We track 2 other properties on Rosario Ave. Browse the list under "Other properties on Rosario Ave" to compare beds, baths, and sale history.
What are the property facts for 21528 Rosario Ave?
21528 Rosario Ave is a 4 bed, 3 bath, 2,248 sqft, 7,673 sqft lot single_family.
Is 21528 Rosario Ave a flip candidate?
No — 21528 Rosario Ave does not appear in our flips dataset.
Is 21528 Rosario Ave a tax-appeal candidate?
No — 21528 Rosario 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
-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 Rosario Ave