Santa Clara County property record for 644 Bernal Ave, Sunnyvale, CA 94085
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 999 sqft · built 1953 |
| Lot Size | 0.139 acres (6,032 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $437,500 (May 2010) |
| Tax Bill | $6,893 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 205-17-043 |
| Primary APN | 205-17-043 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 999 sqft Living Area |
| 1st Floor Area | 999 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,032 sqft (0.139 acres) |
| Lot Dimensions | 116 ft deep x 52 ft wide |
| Garage Area | 330 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | None |
| Cooling System | None |
|---|
| Street Address | 644 BERNAL AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94085-3275 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R0 |
| Legal Description | TRACT 927 FAIR OAKS PARK BOOK 40 PAGE 6 PAGE 7 LOT 162 |
| Legal Subdivision | FAIR OAKS PARK |
| Legal Tract | 927 |
| Legal Lot Number | 162 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 508900 |
Source: Santa Clara County records, as of July 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 644 BERNAL AVE, SUNNYVALE, CA 94085-3275 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 27, 2010 · Amount on Record |
| Deed Sale | May 27, 2010 · Amount on Record |
| Deed Document Number | 201020723978 |
| Prior Transfer Date | Jul 24, 2003 |
| Prior Transfer Doc | 0017277115 |
| Record Updated | Oct 29, 2026 |
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 | $576,013 (+2%) Land $431,982 Building $144,031 | |
| 2025 | $6,893.00 (+4.61%) | $564,719 (+4.04%) Land $423,512 Building $141,207 |
| 2023 | $6,589.00 (+1.54%) | $542,792 Land $407,067 Building $135,725 |
| 2022 | $6,489.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X reduced by levee · depends on levee performance |
|---|---|
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 14 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 14 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
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 840 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, Sail Internet.
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