Santa Clara County  »  517 Westside Ave

517 Westside Avenue, Sunnyvale, CA 94087 - Property report

Also known as: 517 Westside Ave

Property image for 517 Westside Avenue, Sunnyvale, CA 94087
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Property type

Single Family (01)

Acreage

0.124

Sale price

$2,450,000

General Information

Address
Primary address
517 Westside Ave
Sunnyvale, CA 94087
Zip code
94087
County
Santa Clara
Municipality
Sunnyvale
Parcel ID
202-04-018
Tract
8282

Owner

Find out who owns 517 Westside Avenue, Sunnyvale, CA 94087. Uncover corporate and individual owners with a free account.

Sales
Sale date
03/10/2023
Sale price
$2,450,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$29,845
Building
Property type
Single Family
Lot
Acreage
0.124
Zoning & use
Zoning
Low Medium Density Residential (R2)

Area overview

Walk score
66 /100.  Somewhat Walkable
Transit score
43 /100.  Some Transit
Bike score
86 /100.  Very Bikeable
School district
09000
Ownership

Ownership information for 517 Westside Avenue, Sunnyvale, CA

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

Sales history for 517 Westside Avenue, Sunnyvale, CA 94087

Sale date Sale price Buyer name Seller name
03/10/2023 $2,450,000 XXXX, XXXXXXXX; XX, XXXXXX XXXXXXXXX, XXXXX X XXXXXXXXX XXXXX; XXXXXXXXX, XXXXX X XXXXXXXXX XXXXX; XXXXXXXXX, XXXXXX X XXXXXXX
12/29/1993 $384,000 XXXXXXXXX, XXXXX X XX XXXXXXX, XXXXXXXX

*Most recent sales on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
03/21/2023 Reconveyance XXXXXXXXX, XXXXX X XXXXXXXXX XXXXX
03/10/2023 Deed of Trust XX, XXXXXX XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XXX
03/10/2023 Grant Deed XXXXXXXXX, XXXXXX X XXXXXXX XXXX, XXXXXXXX
09/16/2021 Affidavit of Death XXXXXXXXX, XXXXX X
11/21/2012 Deed of Trust/Mortgage/Securit XXXXXXXXX, XXXXX X XXX/XX/XX XXXX X X X
06/27/2007 Deed XXXXXXXXX, XXXXX X XXXXXXXXX XXXXX X XXXXX
06/27/2007 Deed XXXXXXXXX XXXXX X XXXXX XXXXXXXXX, XXXXX X
12/31/2002 Deed XXXXXXXXX, X XXXXXXXXX, XX
12/24/2002 Deed XXXXXXXXX, XX XXXXXXXXX, X
12/29/1993 Deed XXXXXXX, XXXXXXXX XXXXXXXXX, XXXXX X XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 517 Westside Avenue, 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
Property tax
$29,845
Recent tax assessments
Market value
$2,548,719
Land value
$2,293,769
Building value
$254,950

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 $2,548,719 1.171 $29,845 +3.78%
2024-2025 $2,498,745 1.1509 $28,758 +295.13%
2023-2024 $627,311 1.1602 $7,278 +2.01%
2022-2023 $615,012 1.1601 $7,135 +1.20%
2021-2022 $602,954 1.1692 $7,050 +1.10%
2020-2021 $596,772 1.1685 $6,973 +2.34%
2019-2020 $585,072 1.1646 $6,814 +2.05%
2018-2019 $573,600 1.164 $6,677 +1.31%
2017-2018 $562,354 1.172 $6,591 +7.91%
2016-2017 $551,328 1.1078 $6,108 -4.00%
Permits

Permit information for 517 Westside Avenue, Sunnyvale, CA

No recently recorded permits 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 517 Westside Avenue, 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)
Champion Kinder International School NR Private K 10 0.17
Adult And Community Education NR Public 0 0.27
Amrita Academy NR Private 5-12 0 0.45
Challenger - Sunnyvale NR Private PK, K-8 554 0.50
Challenger - Sunnyvale NR Private PK, K-8 554 0.50
Chester W. Nimitz Elementary School 6 Public K-5 419 0.61
Resurrection Elementary School NR Private PK, K-8 221 0.68
Louis E. Stocklmeir Elementary School 8 Public K-5 822 0.82
Cumberland Elementary School 8 Public K-5 608 0.99
Braly Elementary School 5 Public K-5 352 1.00
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Adult And Community Education NR Public 0 0.27
Amrita Academy NR Private 5-12 0 0.45
Challenger - Sunnyvale NR Private PK, K-8 554 0.50
Resurrection Elementary School NR Private PK, K-8 221 0.68
Helios School NR Private K-8 28 0.96
Sunnyvale Middle School 6 Public 6-8 962 1.12
South Peninsula Hebrew Day School NR Private PK-8 247 1.40
Marian A. Peterson Middle School 6 Public 6-8 729 1.41
Cupertino Middle School 7 Public 6-8 1,099 1.74
Sam H. Lawson Middle School 9 Public 6-8 816 1.84
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Fremont High School 7 Public 9-12 2,171 0.20
Adult And Community Education NR Public 0 0.27
North County Regional Occupational Program School NR Public 9-12 0 0.30
Community Day School NR Public 9-12 7 0.30
Amrita Academy NR Private 5-12 0 0.45
Homestead High School 8 Public 9-12 2,311 1.58
Alta Vista High School 4 Public 9-12 69 1.71
Silicon Valley Academy NR Private K-12 121 1.73
School of Choice NR Private 6-12 0 1.78
Mountain View High School 8 Public 9-12 2,220 1.94

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

Neighbors for 517 Westside Avenue, Sunnyvale, CA

1196 E Vanderbilt CT, Sunnyvale 1180 Hollenbeck Ave, Sunnyvale 570 Tioga CT, Sunnyvale 570 Rockport Dr, Sunnyvale 1282 Sunnyvale Saratoga Rd, Sunnyvale 682 Vanderbilt Dr, Sunnyvale 1232 Hollenbeck Ave, Sunnyvale 1230 Hollenbeck Ave, Sunnyvale 1039 Sunnyvale Saratoga Rd, Sunnyvale 696 Vanderbilt Dr, Sunnyvale 1195 W Vanderbilt CT, Sunnyvale 662 Winggate Dr, Sunnyvale 1160 Regia CT, Sunnyvale 580 Utica Dr, Sunnyvale 1233 Sesame CT, Sunnyvale 588 Utica CT, Sunnyvale 676 Conway Rd, Sunnyvale 1170 Ribier CT, Sunnyvale 688 Vanderbilt Dr, Sunnyvale 1054 Tilton Dr, Sunnyvale

Nearby ZIP codes for 517 Westside Avenue, 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

When was 517 Westside Avenue, Sunnyvale, CA 94087 last sold and what was the sale price?

517 Westside Avenue, Sunnyvale, CA 94087 was last sold on 03/10/2023 for $2,450,000.

What is the assessed value of 517 Westside Avenue, Sunnyvale, CA 94087?

517 Westside Avenue, Sunnyvale, CA 94087 is currently assessed at $2,548,719.

What are the property taxes for 517 Westside Avenue, Sunnyvale, CA 94087?

The property taxes for 517 Westside Avenue, Sunnyvale, CA 94087 total $29,845.

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