Santa Clara County  »  543 Castlerock CT

543 Castlerock Court, Sunnyvale, CA 94087 - Property report

Also known as: 543 Castlerock CT

Property image for 543 Castlerock Court, Sunnyvale, CA 94087
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General Information

Address
Primary address
543 Castlerock Ct
Sunnyvale, CA 94087
Zip code
94087
County
Santa Clara
Municipality
Sunnyvale
Parcel ID
323-12-020
Tract
4766

Owner

Find out who owns 543 Castlerock Court, Sunnyvale, CA 94087. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Base tax
$4,341
Current property tax
$4,260
Building
Property type
Single Family
Lot
Acreage
0.109
Zoning & use
Zoning
Low Medium Density Residential (R2)

Area overview

Walk score
52 /100.  Somewhat Walkable
Transit score
34 /100.  Some Transit
Bike score
75 /100.  Very Bikeable
School district
09009
Ownership

Ownership information for 543 Castlerock Court, Sunnyvale, CA

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

Sales history for 543 Castlerock Court, Sunnyvale, CA 94087

No recently recorded sales for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
08/07/2023 Reconveyance XXXXXXX, XXXXX X
08/07/2023 Substitution Trustee XXXXXXX, XXXXX X XXXXX XXXXXXXX XXXXX XXXXXXXXX XXXXXXX
07/24/2008 Deed XXXXXXX, XXXXX X XXXXXXX XXXXXX XXXXXX XXXXX
07/24/2008 Deed XXXXXXX XXXXXX XXXXXX XXXXX XXXXXXX, XXXXX X
03/27/2002 Deed XXXXXXX, XXXXX X XXXXXXX XXXXX
03/25/2002 Deed XXXXXXX XXXXX XXXXXXX, XXXXX X
06/04/1998 Deed XXXXXXX, XXXXX X XXXXXXX XXXXX
05/28/1998 Deed XXXXXXX XXXXX XXXXXXX, XXXXX X
02/23/1996 Deed XXXXXXX, XXXXX X XXXXXX XXXXX
02/12/1996 Deed XXXXXXX, XXXXX X & XXXX X XXXXXXX, XXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 543 Castlerock Court, Sunnyvale, 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
$4,341
Current property tax
$4,260
Recent tax assessments
Market value
$373,235
Land value
$124,290
Building value
$248,945

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 $373,235 1.1632 $4,341 +2.79%
2024-2025 $365,917 1.1543 $4,224 +0.49%
2023-2024 $358,743 1.1717 $4,203 +1.83%
2022-2023 $351,710 1.1736 $4,128 +0.85%
2021-2022 $344,815 1.1869 $4,093 +1.17%
2020-2021 $341,280 1.1854 $4,046 +2.33%
2019-2020 $334,589 1.1816 $3,954 +2.41%
2018-2019 $328,030 1.1769 $3,861 +0.47%
2017-2018 $321,599 1.1948 $3,842 +2.92%
2016-2017 $315,295 1.1841 $3,733 +0.56%
Permits

Permit information for 543 Castlerock Court, Sunnyvale, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
07/20/2025
05/01/2025

*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 543 Castlerock Court, Sunnyvale, CA 94087 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)
Chester W. Nimitz Elementary School 6 Public K-5 419 0.08
Amrita Academy NR Private 5-12 0 0.22
Louis E. Stocklmeir Elementary School 8 Public K-5 822 0.39
Resurrection Elementary School NR Private PK, K-8 221 0.42
Resurrection Elementary School NR Private PK, K-8 221 0.42
Adult And Community Education NR Public 0 0.49
French American School Of Silicon Valley NR Private PK-5 162 0.59
French American School Of Silicon Valley NR Private PK-5 162 0.59
Garden Gate Elementary School 8 Public K-5 517 1.26
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Amrita Academy NR Private 5-12 0 0.22
Resurrection Elementary School NR Private PK, K-8 221 0.42
Adult And Community Education NR Public 0 0.49
Challenger - Sunnyvale NR Private PK, K-8 554 0.70
South Peninsula Hebrew Day School NR Private PK-8 247 1.29
Sam H. Lawson Middle School 9 Public 6-8 816 1.31
Sunnyvale Middle School 6 Public 6-8 962 1.39
Cupertino Middle School 7 Public 6-8 1,099 1.42
Marian A. Peterson Middle School 6 Public 6-8 729 1.42
Stratford Middle School NR Private 6-8 443 1.51
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Amrita Academy NR Private 5-12 0 0.22
Fremont High School 7 Public 9-12 2,171 0.37
North County Regional Occupational Program School NR Public 9-12 0 0.42
Community Day School NR Public 9-12 7 0.42
Adult And Community Education NR Public 0 0.49
Homestead High School 8 Public 9-12 2,311 1.09
Silicon Valley Academy NR Private K-12 121 1.69
School of Choice NR Private 6-12 0 1.71
Alta Vista High School 4 Public 9-12 69 1.84
Futures Academy - Cupertino NR Private 7-12 55 1.93

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

Neighbors for 543 Castlerock Court, Sunnyvale, CA

544 Castlerock CT, Sunnyvale 536 Castlerock CT, Sunnyvale 1397 Yukon Dr, Sunnyvale 1393 Yukon Dr, Sunnyvale 547 Cashmere CT, Sunnyvale 532 Cascade Dr, Sunnyvale 540 Cascade Dr, Sunnyvale 539 Castlerock CT, Sunnyvale 535 Castlerock CT, Sunnyvale 540 Castlerock CT, Sunnyvale 1398 Sydney Dr, Sunnyvale 1432 Hollenbeck Ave, Sunnyvale 544 Cascade Dr, Sunnyvale 1394 Sydney Dr, Sunnyvale 1389 Yukon Dr, Sunnyvale 515 N Cascade Trl, Sunnyvale 507 N Cascade Trl, Sunnyvale 532 Castlerock CT, Sunnyvale 548 Cashmere CT, Sunnyvale 531 Cashmere CT, Sunnyvale

Nearby ZIP codes for 543 Castlerock Court, Sunnyvale, CA

94022, Santa Clara County, CA 94024, Santa Clara County, CA 94041, Santa Clara County, CA 94043, Santa Clara County, CA 95002, Santa Clara County, CA 95014, 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

What is the assessed value of 543 Castlerock Court, Sunnyvale, CA 94087?

543 Castlerock Court, Sunnyvale, CA 94087 is currently assessed at $373,235.

What are the property taxes for 543 Castlerock Court, Sunnyvale, CA 94087?

The property taxes for 543 Castlerock Court, Sunnyvale, CA 94087 total $4,341.

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