Santa Clara County property record for 974 Helen Ave, Sunnyvale, CA 94086
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 2,764 sqft · built 1961 |
| Lot Size | 0.194 acres (8,442 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $5,471 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 213-35-023 |
| Primary APN | 213-35-023 |
|---|
| Units | 4 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,764 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Spanish |
| Construction Type | Wood |
| Lot Area | 8,442 sqft (0.194 acres) |
| Lot Dimensions | 134 ft deep x 63 ft wide |
| Garage Type | Attached |
| Cooling System | None |
|---|
| Street Address | 974 HELEN AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94086-9278 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | R3 |
| Legal Description | TRACT 2384 HELEN PARK BOOK 117 PAGE 15 LOT 10 |
| Legal Subdivision | HELEN PARK |
| Legal Tract | 2384 |
| Legal Lot Number | 10 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 508508 |
974 Helen Ave, a residential property, is held in a trust since January 1998.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 1700 LARKELLEN LN, LOS ALTOS, CA 94024-5827 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 27, 1998 |
| Transfer Doc | 0014029565 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 974 Helen Ave was $5,471.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Sunnyvale City |
| Unified School District | Santa Clara Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $471,745 (+2%) Land $199,281 Building $272,464 | |
| 2025 | $5,471.00 | $462,496 Land $195,374 Building $267,122 |
| 2023 | $5,342.00 (+1.66%) | $444,539 Land $187,789 Building $256,750 |
| 2022 | $5,255.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 974 Helen Ave in Zone X, an area of moderate flood risk.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 974 Helen Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF SUNNYVALE serves 157,566 people · EPA ID CA4310014 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2024 |
| Also Mapped Here | CITY OF SANTA CLARA |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 63 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 820 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
May also be available: AT&T, GeoLinks, Sail Internet, T-Mobile.
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