Santa Clara County  »  866 Helena Dr

866 Helena Drive, Sunnyvale, CA 94087 Property Information

866 Helena Drive, Sunnyvale, CA 94087 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

866 Helena Drive, Sunnyvale, CA 94087
static Mapbox map

Address

Primary address 866 Helena Drive, Sunnyvale
Zip code 94087
County Santa Clara
Tract 2019
Parcel ID 323-24-057

Sales & Tax Overview for 866 Helena Drive, Sunnyvale

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 05/31/1991
Sale price $425,000
Arm's length
Current property tax $9,226

Lot & Building Information for 866 Helena Drive, Sunnyvale

Building class Single Family (01)
Acreage 0.203
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


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.

Other Property Data for 866 Helena Drive, Sunnyvale

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 866 Helena Drive, Sunnyvale , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 866 Helena Drive, Sunnyvale

What is the assessed value of 866 Helena Drive, Sunnyvale, CA 94087 and the property tax paid?

Assessed at $800,158, the tax amount paid for 866 Helena Drive, Sunnyvale, CA 94087 is $9,307.

When was 866 Helena Drive, Sunnyvale, CA 94087 last sold?

866 Helena Drive, Sunnyvale, CA 94087 was last sold in 12/01/2015.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 866 Helena Drive, Sunnyvale

Create a free account to view the complete sales history for 866 Helena Drive, Sunnyvale, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
05/31/1991 $425,000

Title Documents for 866 Helena Drive, Sunnyvale

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.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
05/30/2025 Ucc - Financing Statement - Termination
07/18/2016 Deed Trust/Assignment & Fixtur
12/01/2015 Trust Transfer Deed
03/06/2002 Deed
06/19/1998 Deed
05/31/1991 Deed
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 866 Helena Drive, Sunnyvale

Access detailed property tax data for 866 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 $9,307
Current property tax $9,226
Market value $800,158

Assessment History for 866 Helena Drive, Sunnyvale

Here's the assessment & property tax history for 866 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 $800,158 1.1632 $9,307 +2.79%
2024-2025 $784,470 1.1543 $9,055 +0.49%
2023-2024 $769,089 1.1717 $9,011 +1.83%
2022-2023 $754,009 1.1736 $8,849 +0.86%
2021-2022 $739,225 1.1869 $8,774 +1.17%

Permits for 866 Helena Drive, Sunnyvale

The complete history of permits filed for 866 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.

Issued Permit Type Status
11/13/2025
02/11/2025
12/06/2024
10/21/2009
       
Unlock the permit history for 866 Helena Drive, Sunnyvale with a free account.
Sign up

Risk

Create a free account to unlock extended information for 866 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
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 866 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

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
French American School Of Silicon Valley NR Private K-5 121 0.12
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 0.48
Resurrection Elementary School NR Private PK, K-8 221 0.48

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Resurrection Elementary School NR Private PK, K-8 221 0.48
Cupertino Middle School 7 Public 6-8 1,099 0.68
Amrita Academy NR Private 5-12 0 0.72
South Peninsula Hebrew Day School NR Private PK-8 247 0.77
Challenger - Sunnyvale NR Private PK, K-8 554 0.89

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Homestead High School 8 Public 9-12 2,311 0.46
Amrita Academy NR Private 5-12 0 0.72
North County Regional Occupational Program School NR Public 9-12 0 0.86
Community Day School NR Public 9-12 7 0.86
Adult And Community Education NR Public 0 0.91

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 866 Helena Drive, Sunnyvale

Here are the neighbors for 866 Helena Drive, Sunnyvale.

Address Square feet Purchase date Purchase price
1658 Manitoba Dr, Sunnyvale 08/26/1997 $480,000
1537 Lewiston Dr, Sunnyvale 09/26/2000
831 Nisqually Dr, Sunnyvale 10/02/2020 $2,135,000
1585 Klamath Dr, Sunnyvale 11/16/2020
1573 Klamath Dr, Sunnyvale 01/21/2010
1669 Lachine Dr, Sunnyvale 07/12/2023
868 Helena Dr, Sunnyvale 05/04/2018 $2,528,000
1502 Kingsgate Dr, Sunnyvale 08/05/2019 $2,285,000
842 The Dalles, Sunnyvale 10/27/2014
864 The Dalles, Sunnyvale 07/08/2013
1553 Klamath Dr, Sunnyvale 06/16/2004 $991,000
1511 Lewiston Dr, Sunnyvale 02/09/2024
834 The Dalles, Sunnyvale
1562 Lewiston Dr, Sunnyvale 10/30/1998 $490,000
823 Nisqually Dr, Sunnyvale 06/11/2014
810 Logan CT, Sunnyvale 04/14/2021
1626 Kennewick Dr, Sunnyvale 06/22/2016 $1,826,000
1521 Lewiston Dr, Sunnyvale 12/05/2019
1634 Kennewick Dr, Sunnyvale 07/15/2008
839 Nisqually Dr, Sunnyvale 10/23/2008 $1,254,000

Nearby ZIP Codes for 866 Helena Drive, Sunnyvale

Not sure if we cover all the data-points you need? View sample full report View sample full report