Santa Clara County  »  95014  »  Castleton St  »  21604 Castleton St

21604 Castleton Street, Cupertino, CA 95014 - Property report

Also known as: 21604 Castleton St

Property image for 21604 Castleton Street, Cupertino, CA 95014
static Mapbox map

Property type

Single Family (01)

Acreage

0.209

Sale price

$1,477,000

General Information

Address
Primary address
21604 Castleton St
Cupertino, CA 95014
Zip code
95014
County
Santa Clara
Municipality
Cupertino
Parcel ID
356-20-045
Tract
5081

Owner

Find out who owns 21604 Castleton Street, Cupertino, CA 95014. Uncover corporate and individual owners with a free account.

Sales
Sale date
05/22/2012
Sale price
$1,477,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$21,587
Current property tax
$21,505
Building
Property type
Single Family
Lot
Acreage
0.209
Zoning & use
Zoning
Single Family Residential (R1)

Area overview

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

Ownership information for 21604 Castleton Street, Cupertino, CA

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

Sales history for 21604 Castleton Street, Cupertino, CA 95014

Sale date Sale price Buyer name Seller name
05/22/2012 $1,477,000 XXXXXXXX, XXXXXX X; XXXXXXXX, XXXXXXX XXXXXXXX XXXXX; XXXXXXXX, XXXXX XX; XXXXXXXX, XXXXXX XX
05/17/2002 $1,110,000 XXXXXXXX XXXXXX XXXXX XXXX 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
12/06/2021 Grant Deed XXXXXXXX, XXXXXX X XXXXXXXX, XXXXXXX XXXXXXX
03/06/2015 Deed of Trust/Mortgage/Securit XXXXXXXX, XXXXXX X XXXXX XXXXX XXXX, X.X.
03/06/2015 Deed of Trust/Mortgage/Securit XXXXXXXX, XXXXXX X XXXXX XXXXX XXXX, X.X.
05/23/2012 Assignment Deed of Trust/Mortg XXXXXXX XXXXXXXX XXXX XXX XXXXX XXXXX XX
05/22/2012 Deed of Trust/Mortgage/Securit XXXXXXXX, XXXXXX X XXXXXXX XXXXXXXX XXXX XXX
05/22/2012 Grant Deed XXXXXXXX XXXXX XXXXXXXX, XXXXXX X
05/17/2002 Deed XXXX XXXXX XXXXXXXX XXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21604 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
$21,587
Current property tax
$21,505
Recent tax assessments
Market value
$1,855,184
Land value
$1,484,152
Building value
$371,032

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 $1,855,184 1.1636 $21,587 +2.79%
2024-2025 $1,818,808 1.1547 $21,002 +0.74%
2023-2024 $1,783,146 1.1691 $20,847 +2.18%
2022-2023 $1,748,183 1.167 $20,401 +0.94%
2021-2022 $1,713,906 1.1793 $20,212 +1.16%
2020-2021 $1,696,333 1.1778 $19,979 +2.33%
2019-2020 $1,663,072 1.174 $19,524 +2.41%
2018-2019 $1,630,464 1.1693 $19,065 +0.47%
2017-2018 $1,598,496 1.1872 $18,977 +3.18%
2016-2017 $1,567,154 1.1736 $18,392 +0.56%
Permits

Permit information for 21604 Castleton Street, Cupertino, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
01/26/2023
09/04/2015
09/08/2014
06/30/2014

*Most recent permits on record 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 21604 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 0.49
William Faria Elementary School 9 Public K-5 632 1.16
R. I. Meyerholz Elementary School NR Public K-5 699 1.42
Happy Days CDC NR Private K 0 1.45
Stevens Creek Elementary School 8 Public K-5 389 1.50
C. B. Eaton Elementary School 9 Public K-5 470 1.51
Villa Montessori NR Private PK-K 37 1.53
Villa Montessori NR Private PK-K 37 1.53
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.69
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.69
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
John F. Kennedy Middle School 9 Public 6-8 930 0.27
Legend College Preparatory NR Private 6-12 553 0.82
The Academy for Educational Excellence NR Private 6-12 0 1.04
St. Joseph of Cupertino Elementary School NR Private PK-8 243 1.69
Sam H. Lawson Middle School 9 Public 6-8 816 2.08
Futures Academy - Cupertino NR Private 7-12 55 2.19
Joaquin Miller Middle School 9 Public 6-8 1,078 2.22
Warren E. Hyde Middle School 7 Public 6-8 778 2.29
Cupertino Middle School 7 Public 6-8 1,099 2.37
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 0.60
Legend College Preparatory NR Private 6-12 553 0.82
Legend College Preparatory NR Private 9-12 50 0.82
The Academy for Educational Excellence NR Private 6-12 0 1.04
Homestead High School 8 Public 9-12 2,311 2.04
Futures Academy - Cupertino NR Private 7-12 55 2.19
Creative Learning Center NR Private K-12 26 2.47
Cupertino High School 9 Public 9-12 1,997 2.51
Lynbrook High School 10 Public 9-12 1,741 2.65
Prospect High School 7 Public 9-12 1,459 3.00

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

Neighbors for 21604 Castleton Street, Cupertino, CA

21722 Columbus Ave, Cupertino 21582 Columbus Ave, Cupertino 11256 Palos Verdes CT, Cupertino 11238 Redondo CT, Cupertino 11121 Clarkston Ave, Cupertino 21578 Flintshire St, Cupertino 21588 Flintshire St, Cupertino 11258 Terra Bella Dr, Cupertino 21572 Columbus Ave, Cupertino 11246 Monterey CT, Cupertino 11266 Monterey CT, Cupertino 10999 Ronald Way, Cupertino 21557 Terrace Dr, Cupertino 21622 Columbus Ave, Cupertino 11233 Palos Verdes CT, Cupertino 11238 Terra Bella Dr, Cupertino 11247 Catalina CT, Cupertino 21587 Flintshire St, Cupertino 11132 Clarkston Ave, Cupertino 21571 Terrace Dr, Cupertino

Nearby ZIP codes for 21604 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 21604 Castleton Street, Cupertino, CA 95014 last sold and what was the sale price?

21604 Castleton Street, Cupertino, CA 95014 was last sold on 05/22/2012 for $1,477,000.

What is the assessed value of 21604 Castleton Street, Cupertino, CA 95014?

21604 Castleton Street, Cupertino, CA 95014 is currently assessed at $1,855,184.

What are the property taxes for 21604 Castleton Street, Cupertino, CA 95014?

The property taxes for 21604 Castleton Street, Cupertino, CA 95014 total $21,586.

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