Santa Clara County  »  95014  »  Castleton St  »  21643 Castleton St

21643 Castleton Street, Cupertino, CA 95014 - Property report

Also known as: 21643 Castleton St

Property image for 21643 Castleton Street, Cupertino, CA 95014
static Mapbox map

Property type

Single Family (01)

Acreage

0.165

Sale price

$940,000

General Information

Address
Primary address
21643 Castleton St
Cupertino, CA 95014
Zip code
95014
County
Santa Clara
Municipality
Cupertino
Parcel ID
356-18-063
Tract
4103

Owner

Find out who owns 21643 Castleton Street, Cupertino, CA 95014. Uncover corporate and individual owners with a free account.

Sales
Sale date
12/23/2002
Sale price
$940,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$18,127
Building
Property type
Single Family
Lot
Acreage
0.165
Zoning & use
Zoning
Single Family Residential (R1)

Area overview

Walk score
17 /100.  Car-Dependent
Transit score
18 /100.  Minimal Transit
Bike score
32 /100.  Somewhat Bikeable
School district
13016
Ownership

Ownership information for 21643 Castleton Street, Cupertino, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 21643 Castleton Street, Cupertino, CA 95014

Sale date Sale price Buyer name Seller name
12/23/2002 $940,000 XXX, XXX XX XXXXX, XXXXXX & XXXXXXXX X
07/05/2001 $950,909 XX XXXXX, XXXXXX & XXXXXXXX X XXXXXX XXXXX

*Most recent sales on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
12/09/2021 Reconveyance
Substitution Trustee		 XXXX, XXXXXXX XXXXXXXXX XXXXXXXXX XXX
11/10/2021 Deed of Trust XXXX, XXXXXXX XXXXXXXXX XXXXXXX
11/10/2021 Grant Deed XXXX, XXXXXXX XXXX, XXXXXXX
02/24/2021 Reconveyance XXX, XXX
02/01/2021 Deed of Trust XXX, XXX XXXXX XXXXXXXXX XXXXXXXX XXXXXXXXXXX
01/08/2013 Subordination Agreement (Deed XXX, XXX XXXXXXXXX XXXXXXX XXXXX XX
01/08/2013 Deed of Trust/Mortgage/Securit XXX, XXX XXXXXXXX XXXXXXXXXX XXX XXXXX XXX XXX
01/08/2013 Grant Deed XXX, XXX XXX, XXX
05/10/2012 Subordination Agreement (Deed XXXX, XXXXXXX XXXXXXXX XXXX
05/10/2012 Deed of Trust/Mortgage/Securit XXXX, XXXXXXX XXXXXXXX XXXXXXXXXX XXX XXXXX XXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21643 Castleton Street, Cupertino, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Property tax
$18,127
Recent tax assessments
Market value
$1,557,819
Land value
$1,034,106
Building value
$523,713

More about Santa Clara County Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $1,527,275 1.1636 $17,771 +2.79%
2024-2025 $1,497,329 1.1547 $17,290 +0.74%
2023-2024 $1,467,970 1.1691 $17,162 +2.18%
2022-2023 $1,439,187 1.167 $16,795 +0.93%
2021-2022 $1,410,969 1.1793 $16,640 +1.17%
2020-2021 $1,396,503 1.1778 $16,448 +2.33%
2019-2020 $1,369,122 1.174 $16,073 +2.41%
2018-2019 $1,342,277 1.1693 $15,695 +0.47%
2017-2018 $1,315,958 1.1872 $15,623 +3.18%
2016-2017 $1,290,156 1.1736 $15,141 +0.56%
Permits

Permit information for 21643 Castleton Street, Cupertino, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
11/25/2019
11/25/2019
08/30/2013

*Most recent permits on record for this property.

Neighborhood

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
0.2
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 21643 Castleton Street, Cupertino, CA 95014 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Abraham Lincoln Elementary School 8 Public K-5 665 0.45
William Faria Elementary School 9 Public K-5 632 1.16
Stevens Creek Elementary School 8 Public K-5 389 1.45
Happy Days CDC NR Private K 0 1.45
R. I. Meyerholz Elementary School NR Public K-5 699 1.47
C. B. Eaton Elementary School 9 Public K-5 470 1.53
Villa Montessori NR Private PK-K 37 1.54
Villa Montessori NR Private PK-K 37 1.54
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.70
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.70
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
John F. Kennedy Middle School 9 Public 6-8 930 0.25
Legend College Preparatory NR Private 6-12 553 0.82
The Academy for Educational Excellence NR Private 6-12 0 0.99
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.70
Sam H. Lawson Middle School 9 Public 6-8 816 2.08
Futures Academy - Cupertino NR Private 7-12 55 2.21
Joaquin Miller Middle School 9 Public 6-8 1,078 2.26
Warren E. Hyde Middle School 7 Public 6-8 778 2.33
Cupertino Middle School 7 Public 6-8 1,099 2.33
Creative Learning Center NR Private K-12 26 2.42
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Monta Vista High School 9 Public 9-12 1,751 0.55
Legend College Preparatory NR Private 6-12 553 0.82
Legend College Preparatory NR Private 9-12 50 0.83
The Academy for Educational Excellence NR Private 6-12 0 0.99
Homestead High School 8 Public 9-12 2,311 2.01
Futures Academy - Cupertino NR Private 7-12 55 2.21
Creative Learning Center NR Private K-12 26 2.42
Cupertino High School 9 Public 9-12 1,997 2.53
Lynbrook High School 10 Public 9-12 1,741 2.70
Prospect High School 7 Public 9-12 1,459 3.05

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 21643 Castleton Street, Cupertino, CA

21549 Edward Way, Cupertino 21721 Columbus Ave, Cupertino 21712 Columbus Ave, Cupertino 11118 Sutherland Ave, Cupertino 21762 Columbus Ave, Cupertino 21663 Castleton St, Cupertino 21713 Castleton St, Cupertino 21539 Edward Way, Cupertino 21589 Edward Way, Cupertino 21662 Columbus Ave, Cupertino 21772 Columbus Ave, Cupertino 21691 Columbus Ave, Cupertino 21703 Castleton St, Cupertino 21731 Columbus Ave, Cupertino 21599 Edward Way, Cupertino 21612 Columbus Ave, Cupertino 21673 Castleton St, Cupertino 21559 Edward Way, Cupertino 21603 Castleton St, Cupertino 21692 Columbus Ave, Cupertino

Nearby ZIP codes for 21643 Castleton Street, Cupertino, CA

94022, Santa Clara County, CA 94024, Santa Clara County, CA 94041, Santa Clara County, CA 94043, Santa Clara County, CA 95033, Santa Clara County, CA 95070, Santa Clara County, CA 95117, Santa Clara County, CA 95128, Santa Clara County, CA 95129, Santa Clara County, CA 95130, Santa Clara County, CA

Frequently asked questions

When was 21643 Castleton Street, Cupertino, CA 95014 last sold and what was the sale price?

21643 Castleton Street, Cupertino, CA 95014 was last sold on 12/23/2002 for $940,000.

What is the assessed value of 21643 Castleton Street, Cupertino, CA 95014?

21643 Castleton Street, Cupertino, CA 95014 is currently assessed at $1,527,275.

What are the property taxes for 21643 Castleton Street, Cupertino, CA 95014?

The property taxes for 21643 Castleton Street, Cupertino, CA 95014 total $17,771.

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