Santa Clara County property record for 646 Derby Ct, Sunnyvale, CA 94087
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,836 sqft · built 1961 |
| Lot Size | 0.164 acres (7,140 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,175,000 (Nov 2013) |
| Tax Bill | $17,033 (2025) |
| Deeds & Mortgages | Nov 2021 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 309-15-026 |
| Primary APN | 309-15-026 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,836 sqft Living Area |
| Gross Area | 1,762 sqft |
| 1st Floor Area | 1,762 sqft |
| Family Room | Family Room |
| Utility Room | Utility Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 7,140 sqft (0.164 acres) |
| Lot Dimensions | 102 ft deep x 70 ft wide |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 3,550 sqft |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 646 DERBY CT |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94087-3435 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R0 |
| Legal Description | TRACT 2748 COUNTRY LANE BOOK 128 PAGE 5 LOT 213 |
| Legal Subdivision | COUNTRY LANE |
| Legal Tract | 2748 |
| Legal Lot Number | 213 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 508203 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 646 DERBY CT, SUNNYVALE, CA 94087-3435 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 22, 2013 · Amount on Record |
| Deed Sale | Nov 22, 2013 · Amount on Record |
| Deed Document Number | 201322451168 |
| Last Transfer Date | Jul 17, 2024 |
| Transfer Doc | 0025682574 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Property Address | 646 DERBY CT, SUNNYVALE, CA 94087-3435 |
| Transaction Type | Mortgage |
| Record Updated | Nov 22, 2021 |
| Title Company | BOSTON NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 646 DERBY CT, SUNNYVALE, CA 94087-3435 |
| Document Number | 0025160309 |
|---|---|
| Date | Nov 10, 2021 |
| Instrument | 25160309 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.25% |
| Type Change Date | Dec 1, 2028 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 7.25% |
| Index | Other |
| Max Rate | 7.25% |
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 | $1,484,879 (+2%) Land $954,908 Building $529,971 | |
| 2025 | $17,033.00 (+3.56%) Homeowner's exemption | $1,455,765 (+4.04%) Land $936,185 Building $519,580 |
| 2023 | $16,448.00 (+0.57%) Homeowner's exemption | $1,399,238 Land $899,833 Building $499,405 |
| 2022 | $16,354.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 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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