| Primary address | 21743 Castleton Street, Cupertino |
| Zip code | 95014 |
| County | Santa Clara |
| Tract | 4104 |
| Parcel ID | 356-18-070 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/26/2013 |
| Sale price | $180,000 |
| Arm's length | Register |
| Property tax | $25,792 |
| Building class | Single Family (01) |
| Acreage | 0.174
|
| 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).
Create a free account to access valuable data points such as:
Assessed at $2,216,559, the tax amount paid for 21743 Castleton Street, Cupertino, CA 95014 is $25,791.
When was 21743 Castleton Street, Cupertino, CA 95014 last sold?21743 Castleton Street, Cupertino, CA 95014 was last sold in 01/21/2021.
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 21743 Castleton Street, 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 21743 Castleton Street, Cupertino, CA 95014. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $25,792 |
| Market value | $2,216,559 |
Here's the assessment & property tax history for 21743 Castleton Street, 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 | $2,216,559 | 1.1636 | $25,792 | +2.79% |
| 2024-2025 | $2,173,098 | 1.1547 | $25,093 | +0.74% |
| 2023-2024 | $2,130,490 | 1.1691 | $24,908 | +2.18% |
| 2022-2023 | $2,088,717 | 1.167 | $24,375 | +0.94% |
| 2021-2022 | $2,047,762 | 1.1793 | $24,149 | +1.16% |
The complete history of permits filed for 21743 Castleton Street, 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 21743 Castleton Street, 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 21743 Castleton Street, 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 | 0.44 |
| William Faria Elementary School | 9 | Public | K-5 | 632 | 1.22 |
| Stevens Creek Elementary School | 8 | Public | K-5 | 389 | 1.41 |
| Happy Days CDC | NR | Private | K | 0 | 1.51 |
| R. I. Meyerholz Elementary School | NR | Public | K-5 | 699 | 1.56 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| John F. Kennedy Middle School | 9 | Public | 6-8 | 930 | 0.28 |
| Legend College Preparatory | NR | Private | 6-12 | 553 | 0.89 |
| The Academy for Educational Excellence | NR | Private | 6-12 | 0 | 0.90 |
| St. Joseph of Cupertino Elementary School | NR | Private | PK-8 | 243 | 1.77 |
| Sam H. Lawson Middle School | 9 | Public | 6-8 | 816 | 2.14 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Monta Vista High School | 9 | Public | 9-12 | 1,751 | 0.52 |
| Legend College Preparatory | NR | Private | 6-12 | 553 | 0.89 |
| Legend College Preparatory | NR | Private | 9-12 | 50 | 0.89 |
| The Academy for Educational Excellence | NR | Private | 6-12 | 0 | 0.90 |
| Homestead High School | 8 | Public | 9-12 | 2,311 | 2.02 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21743 Castleton Street, Cupertino.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 21761 Santa Bella Pl, Cupertino | 07/01/2013 | ||
| 21622 Regnart Rd, Cupertino | 07/29/2014 | ||
| 21582 Columbus Ave, Cupertino | 02/23/2024 | ||
| 21541 Regnart Rd, Cupertino | 03/26/2025 | ||
| 11262 Palos Verdes CT, Cupertino | |||
| 21601 Regnart Rd, Cupertino | 10/30/2019 | ||
| 21683 Castleton St, Cupertino | 07/11/2018 | $2,730,000 | |
| 11232 Monterey CT, Cupertino | 03/02/2022 | $3,888,000 | |
| 11244 Terra Bella Dr, Cupertino | 04/08/2025 | ||
| 11070 Wilkinson Ave, Cupertino | 08/10/2006 | ||
| 21572 Columbus Ave, Cupertino | 04/22/2026 | ||
| 11260 Monterey CT, Cupertino | 07/18/2019 | $2,140,000 | |
| 11261 Catalina CT, Cupertino | |||
| 21551 Regnart Rd, Cupertino | 01/09/2003 | ||
| 11220 LA Jolla CT, Cupertino | 04/05/2019 | $2,500,000 | |
| 21622 Columbus Ave, Cupertino | 06/07/2023 | ||
| 11220 Monterey CT, Cupertino | 10/03/2025 | ||
| 21525 Addington CT, Cupertino | 05/31/2013 | ||
| 21593 Castleton St, Cupertino | 04/19/2022 | ||
| 11129 Clarkston Ave, Cupertino | 04/16/2020 |