Santa Clara County property record for 511 Humber Ct, Sunnyvale, CA 94087
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,864 sqft · built 1963 |
| Lot Size | 0.141 acres (6,120 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $775,000 (Mar 2002) |
| Tax Bill | $14,253 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Oct 2018 Transfer + 1 more |
| Flood Zone | Zone X (moderate risk) |
| APN | 309-38-018 |
| Primary APN | 309-38-018 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,864 sqft Living Area |
| 1st Floor Area | 1,112 sqft |
| 2nd Floor Area | 752 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Custom Design |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 6,120 sqft (0.141 acres) |
| Lot Dimensions | 102 ft deep x 60 ft wide |
| Garage Area | 456 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 511 HUMBER CT |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94087-3362 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R0 |
| Legal Description | TRACT 3233 SUBURBAN ESTATES BOOK 153 PAGE 32 LOT 18 |
| Legal Subdivision | SUBURBAN ESTATES |
| Legal Tract | 3233 |
| Legal Lot Number | 18 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 508203 |
511 Humber Ct is owned and occupied by two individuals who acquired it in February 2021.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 511 HUMBER CT, SUNNYVALE, CA 94087-3362 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 25, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage CITADEL SERVICING CORPORATION |
| Oct 9, 2018 | Quit Claim Deed, Transfer COMMONWEALTH LAND TITLE INSURANCE |
| Oct 9, 2018 | Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 29, 2002 · Amount on File |
| Deed Sale | Mar 29, 2002 · Amount on File |
| Deed Document Number | 200216184456 |
| Last Transfer Date | Feb 23, 2021 |
| Transfer Doc | 0024891554 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Mar 25, 2021 |
| Property Address | 511 HUMBER CT, SUNNYVALE, CA 94087-3362 |
| Document Number | 0024891554 |
| Map Reference | MB 153 PG 32 |
| Instrument Date | Feb 23, 2021 |
| Instrument | 24891554 |
| Transaction Type | Transfer |
| Record Updated | Oct 13, 2022 |
| Title Company | NOT AVAILABLE, FNTG LENDERS DIRECT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 511 HUMBER CT, SUNNYVALE, CA 94087-3362 |
| Document Number | 0024891555 |
|---|---|
| Date | Mar 25, 2021 |
| Instrument | 24891555 |
| Name | CITADEL SERVICING CORPORATION |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Oct 9, 2018 |
| Property Address | 511 HUMBER CT, SUNNYVALE, CA 94087-3362 |
| Document Number | 0024039005 |
| Instrument Date | Oct 5, 2018 |
| Instrument | 24039005 |
| Transaction Type | Transfer |
| Record Updated | Oct 23, 2018 |
| Title Company | COMMONWEALTH LAND TITLE INSURANCE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 511 HUMBER CT SUNNYVALE CA 940873362, SUNNYVALE, CA 94087-3362 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Oct 9, 2018 |
| Property Address | 511 HUMBER CT, SUNNYVALE, CA 94087-3362 |
| Document Number | 0024039006 |
| Instrument Date | Oct 5, 2018 |
| Instrument | 24039006 |
| Transaction Type | Transfer |
| Record Updated | Oct 23, 2018 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 511 HUMBER CT SUNNYVALE CA 940873362, SUNNYVALE, CA 94087-3362 |
The 2025 property tax bill for 511 Humber Ct was $14,253.
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 | $1,233,606 (+2%) Land $820,632 Building $412,974 | |
| 2025 | $14,253.00 | $1,209,419 Land $804,542 Building $404,877 |
| 2023 | $13,767.00 (+0.26%) | $1,162,457 Land $773,301 Building $389,156 |
| 2022 | $13,731.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 511 Humber Ct 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.
Wildfire risk around 511 Humber Ct is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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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