| Primary address | 21577 Rosario Avenue, Cupertino |
| Zip code | 95014 |
| County | Santa Clara |
| Tract | 5004 |
| Parcel ID | 356-19-030 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $4,399 |
| Building class | Single Family (01) |
| Acreage | 0.171
|
| Zoning district | Single Family Residential (R1) |
| School district | 13016 |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
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Assessed at $385,012, the tax amount paid for 21577 Rosario Avenue, Cupertino, CA 95014 is $4,479.
When was 21577 Rosario Avenue, Cupertino, CA 95014 last sold?21577 Rosario Avenue, Cupertino, CA 95014 was last sold in 09/09/2003.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 21577 Rosario Avenue, Cupertino, including title documents, transfer conditions, mortgages and liens.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 21577 Rosario Avenue, Cupertino, CA 95014. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $4,480 |
| Current property tax | $4,399 |
| Market value | $385,012 |
Here's the assessment & property tax history for 21577 Rosario Avenue, Cupertino, including the evolution of the total tax rate and corresponding property tax.
| Year | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|
| 2025-2026 | $385,012 | 1.1636 | $4,480 | +2.79% |
| 2024-2025 | $377,464 | 1.1547 | $4,359 | +0.74% |
| 2023-2024 | $370,063 | 1.1691 | $4,326 | +2.18% |
| 2022-2023 | $362,808 | 1.167 | $4,234 | +0.93% |
| 2021-2022 | $355,695 | 1.1793 | $4,195 | +1.17% |
The complete history of permits filed for 21577 Rosario Avenue, Cupertino, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Create a free account to unlock extended information for 21577 Rosario Avenue, Cupertino, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | 0.2 (See more on map) |
| Fire hazard zone | See more on map |
| Faults and tsunami inundation zone map | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 21577 Rosario Avenue, Cupertino to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Abraham Lincoln Elementary School | 8 | Public | K-5 | 665 | 0.32 |
| William Faria Elementary School | 9 | Public | K-5 | 632 | 1.00 |
| Happy Days CDC | NR | Private | K | 0 | 1.29 |
| Stevens Creek Elementary School | 8 | Public | K-5 | 389 | 1.34 |
| Villa Montessori | NR | Private | PK-K | 37 | 1.41 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| John F. Kennedy Middle School | 9 | Public | 6-8 | 930 | 0.09 |
| Legend College Preparatory | NR | Private | 6-12 | 553 | 0.68 |
| The Academy for Educational Excellence | NR | Private | 6-12 | 0 | 0.98 |
| St. Joseph of Cupertino Elementary School | NR | Private | PK-8 | 243 | 1.55 |
| Sam H. Lawson Middle School | 9 | Public | 6-8 | 816 | 1.93 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Monta Vista High School | 9 | Public | 9-12 | 1,751 | 0.45 |
| Legend College Preparatory | NR | Private | 6-12 | 553 | 0.68 |
| Legend College Preparatory | NR | Private | 9-12 | 50 | 0.68 |
| The Academy for Educational Excellence | NR | Private | 6-12 | 0 | 0.98 |
| Homestead High School | 8 | Public | 9-12 | 2,311 | 1.85 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21577 Rosario Avenue, Cupertino.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 21594 Castleton St, Cupertino | 11/12/2009 | ||
| 21618 Flintshire St, Cupertino | 08/24/2022 | $3,380,000 | |
| 21681 Columbus Ave, Cupertino | 01/23/2020 | ||
| 21597 Rosario Ave, Cupertino | 12/23/2025 | ||
| 11092 Clarkston Ave, Cupertino | 07/24/2014 | ||
| 21613 Terrace Dr, Cupertino | |||
| 21629 Terrace Dr, Cupertino | 02/18/2025 | ||
| 21568 Rosario Ave, Cupertino | 07/10/2002 | ||
| 10949 Maria Rosa Way, Cupertino | 06/03/2008 | ||
| 21584 Castleton St, Cupertino | 10/07/2015 | ||
| 21543 Terrace Dr, Cupertino | 09/19/2007 | $1,427,000 | |
| 21642 Columbus Ave, Cupertino | |||
| 11062 Clarkston Ave, Cupertino | 08/17/2006 | ||
| 21587 Rosario Ave, Cupertino | 10/18/2024 | $3,528,000 | |
| 21578 Rosario Ave, Cupertino | |||
| 11171 Bubb Rd, Cupertino | 05/04/2011 | ||
| 11122 Clarkston Ave, Cupertino | 06/25/2013 | ||
| 11102 Clarkston Ave, Cupertino | 06/09/2015 | ||
| 21527 Rosario Ave, Cupertino | 12/01/2025 | ||
| 10959 Maria Rosa Way, Cupertino | 03/16/1990 | $717,500 |