| Primary address | 509 Westside Avenue, Sunnyvale |
| Zip code | 94087 |
| County | Santa Clara |
| Tract | 8282 |
| Parcel ID | 202-04-016 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/17/2007 |
| Sale price | $1,115,500 |
| Arm's length | Register |
| Property tax | $17,493 |
| Building class | Single Family (01) |
| Acreage | 0.133
|
| Zoning district | Low Medium Density Residential (R2) |
| School district | 09000 |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
Assessed at $1,493,852, the tax amount paid for 509 Westside Avenue, Sunnyvale, CA 94087 is $17,493.
When was 509 Westside Avenue, Sunnyvale, CA 94087 last sold?509 Westside Avenue, Sunnyvale, CA 94087 was last sold in 05/04/2023.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 509 Westside Avenue, Sunnyvale, including title documents, transfer conditions, mortgages and liens.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 509 Westside Avenue, Sunnyvale, CA 94087. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $17,493 |
| Market value | $1,493,852 |
Here's the assessment & property tax history for 509 Westside Avenue, Sunnyvale, including the evolution of the total tax rate and corresponding property tax.
| Year | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|
| 2025-2026 | $1,493,852 | 1.171 | $17,493 | +3.78% |
| 2024-2025 | $1,464,561 | 1.1509 | $16,856 | +1.18% |
| 2023-2024 | $1,435,845 | 1.1602 | $16,659 | +2.01% |
| 2022-2023 | $1,407,692 | 1.1601 | $16,331 | +1.21% |
| 2021-2022 | $1,380,091 | 1.1692 | $16,136 | +1.10% |
The complete history of permits filed for 509 Westside Avenue, Sunnyvale, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Create a free account to unlock extended information for 509 Westside Avenue, Sunnyvale, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | 0.2 (See more on map) |
| Fire hazard zone | See more on map |
| Faults and tsunami inundation zone map | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 509 Westside Avenue, Sunnyvale to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Champion Kinder International School | NR | Private | K | 10 | 0.17 |
| Adult And Community Education | NR | Public | 0 | 0.29 | |
| Amrita Academy | NR | Private | 5-12 | 0 | 0.46 |
| Challenger - Sunnyvale | NR | Private | PK, K-8 | 554 | 0.52 |
| Challenger - Sunnyvale | NR | Private | PK, K-8 | 554 | 0.52 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Adult And Community Education | NR | Public | 0 | 0.29 | |
| Amrita Academy | NR | Private | 5-12 | 0 | 0.46 |
| Challenger - Sunnyvale | NR | Private | PK, K-8 | 554 | 0.52 |
| Resurrection Elementary School | NR | Private | PK, K-8 | 221 | 0.69 |
| Helios School | NR | Private | K-8 | 28 | 0.95 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Fremont High School | 7 | Public | 9-12 | 2,171 | 0.21 |
| Adult And Community Education | NR | Public | 0 | 0.29 | |
| Community Day School | NR | Public | 9-12 | 7 | 0.32 |
| North County Regional Occupational Program School | NR | Public | 9-12 | 0 | 0.32 |
| Amrita Academy | NR | Private | 5-12 | 0 | 0.46 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 509 Westside Avenue, Sunnyvale.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1127 Reynella CT, Sunnyvale | 09/06/2024 | ||
| 1150 Pome Ave, Sunnyvale | 10/15/2021 | $2,360,000 | |
| 722 Saranac Dr, Sunnyvale | 08/20/2012 | ||
| 1159 Pomegranate CT, Sunnyvale | 04/13/2023 | ||
| 1131 Reinclaud CT, Sunnyvale | 03/25/2008 | ||
| 738 Saranac Dr, Sunnyvale | 04/19/2023 | ||
| 1127 Prunelle CT, Sunnyvale | |||
| 758 Saranac Dr, Sunnyvale | 04/25/2025 | $3,480,000 | |
| 513 Westside Ave, Sunnyvale | 03/18/2024 | ||
| 1132 Reinclaud CT, Sunnyvale | 02/19/2002 | ||
| 1128 Prunelle CT, Sunnyvale | 05/24/2002 | $812,000 | |
| 742 Saranac Dr, Sunnyvale | 08/12/2022 | $2,923,500 | |
| 1128 Pome Ave, Sunnyvale | 04/11/2019 | ||
| 710 Saranac Dr, Sunnyvale | 05/05/2006 | $849,000 | |
| 726 Saranac Dr, Sunnyvale | |||
| 750 Saranac Dr, Sunnyvale | 07/12/2002 | ||
| 706 Saranac Dr, Sunnyvale | 04/11/2025 | $3,300,000 | |
| 1158 Pome Ave, Sunnyvale | 04/14/2017 | ||
| 1151 Pomegranate CT, Sunnyvale | |||
| 1163 Pomegranate CT, Sunnyvale | 07/10/2024 | $3,075,000 |