| Primary address | 857 Helena Drive, Sunnyvale |
| Zip code | 94087 |
| County | Santa Clara |
| Tract | 2019 |
| Parcel ID | 323-25-026 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $8,150 |
| Building class | Single Family (01) |
| Acreage | 0.184
|
| Zoning district | Low Density Residential (R1) |
| School district | 09009 |
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 $707,621, the tax amount paid for 857 Helena Drive, Sunnyvale, CA 94087 is $8,231.
When was 857 Helena Drive, Sunnyvale, CA 94087 last sold?857 Helena Drive, Sunnyvale, CA 94087 was last sold in 07/01/1986.
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 857 Helena Drive, 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 857 Helena Drive, Sunnyvale, CA 94087. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $8,231 |
| Current property tax | $8,150 |
| Market value | $707,621 |
Here's the assessment & property tax history for 857 Helena Drive, 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 | $707,621 | 1.1632 | $8,231 | +2.79% |
| 2024-2025 | $693,747 | 1.1543 | $8,008 | +0.49% |
| 2023-2024 | $680,145 | 1.1717 | $7,969 | +1.83% |
| 2022-2023 | $666,809 | 1.1736 | $7,826 | +0.86% |
| 2021-2022 | $653,735 | 1.1869 | $7,759 | +1.16% |
The complete history of permits filed for 857 Helena Drive, 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 857 Helena Drive, 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 857 Helena Drive, 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) |
|---|---|---|---|---|---|
| French American School Of Silicon Valley | NR | Private | K-5 | 121 | 0.10 |
| French American School Of Silicon Valley | NR | Private | PK-5 | 162 | 0.16 |
| French American School Of Silicon Valley | NR | Private | PK-5 | 162 | 0.16 |
| Resurrection Elementary School | NR | Private | PK, K-8 | 221 | 0.40 |
| Resurrection Elementary School | NR | Private | PK, K-8 | 221 | 0.40 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Resurrection Elementary School | NR | Private | PK, K-8 | 221 | 0.40 |
| Amrita Academy | NR | Private | 5-12 | 0 | 0.67 |
| Cupertino Middle School | 7 | Public | 6-8 | 1,099 | 0.70 |
| South Peninsula Hebrew Day School | NR | Private | PK-8 | 247 | 0.70 |
| Challenger - Sunnyvale | NR | Private | PK, K-8 | 554 | 0.79 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Homestead High School | 8 | Public | 9-12 | 2,311 | 0.56 |
| Amrita Academy | NR | Private | 5-12 | 0 | 0.67 |
| North County Regional Occupational Program School | NR | Public | 9-12 | 0 | 0.78 |
| Community Day School | NR | Public | 9-12 | 7 | 0.78 |
| Adult And Community Education | NR | Public | 0 | 0.83 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 857 Helena Drive, Sunnyvale.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1498 Ormsby Dr, Sunnyvale | 11/15/2012 | ||
| 860 Helena Dr, Sunnyvale | 08/11/2025 | ||
| 1598 Lewiston Dr, Sunnyvale | 02/26/1997 | ||
| 1565 Klamath Dr, Sunnyvale | 05/03/2012 | ||
| 1599 Klamath Dr, Sunnyvale | 09/08/1998 | ||
| 1591 Klamath Dr, Sunnyvale | 09/12/1991 | $425,000 | |
| 1460 Prince Edward Way, Sunnyvale | 01/29/2015 | $1,780,000 | |
| 1460 Owen Sound Dr, Sunnyvale | 02/03/2010 | ||
| 1486 Ormsby Dr, Sunnyvale | 06/23/2005 | ||
| 1559 Klamath Dr, Sunnyvale | 05/20/2021 | ||
| 1452 Ormsby Dr, Sunnyvale | 10/23/2020 | ||
| 1461 Prince Edward Way, Sunnyvale | 09/03/2020 | ||
| 1491 Prince Edward Way, Sunnyvale | 04/09/2026 | ||
| 1579 Klamath Dr, Sunnyvale | 02/05/2021 | ||
| 789 Helena Dr, Sunnyvale | 12/16/2010 | ||
| 1455 Prince Edward Way, Sunnyvale | 11/24/1992 | ||
| 1470 Ormsby Dr, Sunnyvale | 11/12/2021 | $2,965,000 | |
| 1539 Klamath Dr, Sunnyvale | 04/06/2026 | $3,685,000 | |
| 1485 Prince Edward Way, Sunnyvale | 12/26/2024 | ||
| 1609 Hollenbeck Ave, Sunnyvale | 41,309 | 06/01/2016 | $20,000,000 |