Santa Clara County  »  95014  »  Castleton St  »  21573 Castleton St

21573 Castleton Street, Cupertino, CA 95014 - Property report

Also known as: 21573 Castleton St

Property image for 21573 Castleton Street, Cupertino, CA 95014
static Mapbox map

Property type

Single Family (01)

Acreage

0.179

Sale price

$725,000

General Information

Address
Primary address
21573 Castleton St
Cupertino, CA 95014
Zip code
95014
County
Santa Clara
Municipality
Cupertino
Parcel ID
356-18-057
Tract
4103

Owner

Find out who owns 21573 Castleton Street, Cupertino, CA 95014. Uncover corporate and individual owners with a free account.

Sales
Sale date
09/16/1998
Sale price
$725,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$13,225
Current property tax
$13,144
Building
Property type
Single Family
Lot
Acreage
0.179
Zoning & use
Zoning
Single Family Residential (R1)

Area overview

Walk score
16 /100.  Car-Dependent
Transit score
22 /100.  Minimal Transit
Bike score
33 /100.  Somewhat Bikeable
School district
13016
Ownership

Ownership information for 21573 Castleton Street, Cupertino, CA

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

Sales history for 21573 Castleton Street, Cupertino, CA 95014

Sale date Sale price Buyer name Seller name
09/16/1998 $725,000 XXXX, XXXXX-XX XXXXXXXX, XXXXXXX & XXX X

*Most recent sale on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
12/15/2015 Amend Deed of Trust XXXXX, XXX XX XXXXX XXXXX XXXX, X.X.
12/15/2015 Deed of Trust/Mortgage/Securit XXXXX, XXXXX XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX, XXX. XXXXXXX
12/15/2015 Subordination Agreement (Deed XXXX, XXXXX XX XXXX XX XXXXXXX, X.X.
07/16/2015 Deed of Trust/Mortgage/Securit XXXX, XXXXX XX XXXXX XXXXX XXXX, X.X.
02/18/2013 Amend Deed of Trust XXXXX, XXX XX XXXXX XXXXX XX
11/30/2012 Deed of Trust/Mortgage/Securit XXXXX, XXXXX XXXX XXXXXXX XXX
11/30/2012 Subordination Agreement (Deed XXXXX, XXXXX XXXX XXXXXXX
11/30/2012 Grant Deed XXXXX, XXX XX XXXXX, XXXXX
12/08/2011 Deed of Trust/Mortgage/Securit XXXX, XXXXX XX XXXX XXXXXXX XXX
12/08/2011 Subordination Agreement (Deed XXXXX XXXXX XX XXXXX XXXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21573 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
2025-2026
Base tax
$13,225
Current property tax
$13,144
Recent tax assessments
Market value
$1,136,581
Land value
$862,239
Building value
$274,342

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 $1,136,581 1.1636 $13,225 +2.79%
2024-2025 $1,114,296 1.1547 $12,867 +0.74%
2023-2024 $1,092,448 1.1691 $12,772 +2.18%
2022-2023 $1,071,028 1.167 $12,499 +0.94%
2021-2022 $1,050,028 1.1793 $12,383 +1.16%
2020-2021 $1,039,263 1.1778 $12,240 +2.33%
2019-2020 $1,018,886 1.174 $11,962 +2.41%
2018-2019 $998,909 1.1693 $11,680 +0.47%
2017-2018 $979,324 1.1872 $11,626 +3.18%
2016-2017 $960,122 1.1736 $11,268 +0.56%
Permits

Permit information for 21573 Castleton Street, Cupertino, CA

No recently recorded permits for this property.

Neighborhood

Risk

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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 21573 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 0.47
William Faria Elementary School 9 Public K-5 632 1.10
R. I. Meyerholz Elementary School NR Public K-5 699 1.38
Happy Days CDC NR Private K 0 1.40
C. B. Eaton Elementary School 9 Public K-5 470 1.45
Villa Montessori NR Private PK-K 37 1.47
Villa Montessori NR Private PK-K 37 1.47
Stevens Creek Elementary School 8 Public K-5 389 1.49
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.64
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.64
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
John F. Kennedy Middle School 9 Public 6-8 930 0.24
Legend College Preparatory NR Private 6-12 553 0.76
The Academy for Educational Excellence NR Private 6-12 0 1.06
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.64
Sam H. Lawson Middle School 9 Public 6-8 816 2.02
Futures Academy - Cupertino NR Private 7-12 55 2.13
Joaquin Miller Middle School 9 Public 6-8 1,078 2.18
Warren E. Hyde Middle School 7 Public 6-8 778 2.25
Cupertino Middle School 7 Public 6-8 1,099 2.35
Creative Learning Center NR Private K-12 26 2.47
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Monta Vista High School 9 Public 9-12 1,751 0.59
Legend College Preparatory NR Private 6-12 553 0.76
Legend College Preparatory NR Private 9-12 50 0.76
The Academy for Educational Excellence NR Private 6-12 0 1.06
Homestead High School 8 Public 9-12 2,311 2.00
Futures Academy - Cupertino NR Private 7-12 55 2.13
Cupertino High School 9 Public 9-12 1,997 2.45
Creative Learning Center NR Private K-12 26 2.47
Lynbrook High School 10 Public 9-12 1,741 2.61
Prospect High School 7 Public 9-12 1,459 2.97

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

Neighbors for 21573 Castleton Street, Cupertino, CA

11053 Bel Aire CT, Cupertino 11160 Santa Teresa Dr, Cupertino 21613 Castleton St, Cupertino 11150 Santa Teresa Dr, Cupertino 11166 Linda Vista Dr, Cupertino 21753 Castleton St, Cupertino 11075 LA Paloma Dr, Cupertino 11051 Santa Teresa Dr, Cupertino 21827 Terrace Dr, Cupertino 21583 Castleton St, Cupertino 21592 Columbus Ave, Cupertino 21742 Columbus Ave, Cupertino 11180 Santa Teresa Dr, Cupertino 21623 Castleton St, Cupertino 21723 Castleton St, Cupertino 11092 Bel Aire CT, Cupertino 10883 Leavesley Pl, Cupertino 21682 Columbus Ave, Cupertino 21702 Columbus Ave, Cupertino 21602 Columbus Ave, Cupertino

Nearby ZIP codes for 21573 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 21573 Castleton Street, Cupertino, CA 95014 last sold and what was the sale price?

21573 Castleton Street, Cupertino, CA 95014 was last sold on 09/16/1998 for $725,000.

What is the assessed value of 21573 Castleton Street, Cupertino, CA 95014?

21573 Castleton Street, Cupertino, CA 95014 is currently assessed at $1,136,581.

What are the property taxes for 21573 Castleton Street, Cupertino, CA 95014?

The property taxes for 21573 Castleton Street, Cupertino, CA 95014 total $13,225.

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