Santa Clara County property record for 642 Hollenbeck Ave, Sunnyvale, CA 94087
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 2,974 sqft · built 1964 |
| Lot Size | 0.139 acres (6,060 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $950,000 (Aug 2012) |
| Tax Bill | $13,977 (2025) |
| Deeds & Mortgages | Dec 2023 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 201-23-023 |
| Primary APN | 201-23-023 |
|---|
| Units | 3 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,974 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Spanish |
| Construction Type | Wood |
| Lot Area | 6,060 sqft (0.139 acres) |
| Lot Dimensions | 101 ft deep x 60 ft wide |
| Garage Type | Attached |
| Cooling System | None |
|---|
| Street Address | 642 HOLLENBECK AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94087-1291 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | R3 |
| Legal Description | TRACT 3582 STILL BROOK BOOK 166 PAGE 19 LOT 5 |
| Legal Subdivision | STILL BROOK |
| Legal Tract | 3582 |
| Legal Lot Number | 5 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 508404 |
642 Hollenbeck Ave, a residential property, is owned by a company that acquired it in November 2023.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 28 EUCLID AVE, LOS GATOS, CA 95030-7012 |
| Owner Type | Company |
| Vesting | Life Tenant |
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 Sale | Aug 31, 2012 · Amount on File |
| Deed Sale | Aug 31, 2012 · Amount on File |
| Prior Sale | May 18, 2007 · Amount on File |
| Deed Document Number | 201221833498 |
| Last Transfer Date | Nov 1, 2023 |
| Transfer Doc | 0025571272 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Dec 5, 2023 |
| Property Address | 642 HOLLENBECK AVE, SUNNYVALE, CA 94087-1291 |
| Document Number | 0025571272 |
| Map Reference | MB 166 PG 19 |
| Instrument Date | Nov 1, 2023 |
| Instrument | 25571272 |
| Transaction Type | Transfer |
| Record Updated | Dec 13, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 28 EUCLID AVE, LOS GATOS, CA 95030-7012 |
The 2025 property tax bill for 642 Hollenbeck Ave was $13,977, up 3.7% from the year before.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Sunnyvale City |
| Secondary School District | Fremont Union High School District (09 - 12) |
| Elementary School District | Sunnyvale Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,192,988 (+2%) Land $690,823 Building $502,165 | |
| 2025 | $13,977.00 (+3.72%) | $1,169,597 Land $677,278 Building $492,319 |
| 2024 | $13,476.00 (+1.17%) | |
| 2023 | $13,320.00 (+1.94%) | $1,124,182 Land $650,980 Building $473,202 |
| 2022 | $13,067.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 642 Hollenbeck 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 642 Hollenbeck 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 |
| 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 713 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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