Santa Clara County property record for 1637 Bittern Dr, Sunnyvale, CA 94087
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,736 sqft · built 1964 |
| Lot Size | 0.153 acres (6,666 sqft) |
| Owner | Trust Name on File |
| Last Sale | $650,000 (Nov 2002) |
| Tax Bill | $11,141 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 309-40-047 |
| Primary APN | 309-40-047 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,736 sqft Living Area |
| 1st Floor Area | 1,736 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,666 sqft (0.153 acres) |
| Lot Dimensions | 101 ft deep x 66 ft wide |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 1637 BITTERN DR |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94087-4605 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R0 |
| Legal Description | TRACT 3575 BERKELEY ESTATES BOOK 167 PAGE 54 LOT 60 |
| Legal Subdivision | BERKELEY ESTATES |
| Legal Tract | 3575 |
| Legal Lot Number | 60 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 508203 |
1637 Bittern Dr is held in a trust since November 2016.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 1642 BITTERN DR, SUNNYVALE, CA 94087-4604 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Nov 26, 2002 · Amount on File |
| Deed Sale | Nov 26, 2002 · Amount on File |
| Deed Document Number | 200216642086 |
| Last Transfer Date | Nov 28, 2016 |
| Transfer Doc | 0023536503 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1637 Bittern Dr was $11,141.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Sunnyvale City |
| Elementary School District | Cupertino Union Elementary School District (KG - 08) |
| Secondary School District | Fremont Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $960,222 (+2%) Land $624,150 Building $336,072 | |
| 2025 | $11,141.00 | $941,395 Land $611,912 Building $329,483 |
| 2023 | $10,762.00 (-0.26%) | $904,841 Land $588,151 Building $316,690 |
| 2022 | $10,790.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1637 Bittern Dr in Zone X, an area of moderate flood risk.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 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.
The area around 1637 Bittern Dr 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 705 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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