Alameda County property record for 520 Hampton Rd, Piedmont, CA 94611
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 3,958 sqft · built 1952 |
| Lot Size | 0.263 acres (11,438 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $17,427 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 51-4820-22 |
| Primary APN | 51-4820-22 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,958 sqft Living Area |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 11,438 sqft (0.263 acres) |
| Street Address | 520 HAMPTON RD |
|---|---|
| City | PIEDMONT |
| State | CA |
| Zip | 94611-3300 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00022 BLK: AR: 0051 PAGE: 4820 |
| Legal Subdivision | PIEDMONT ESTATES |
| Legal Lot Number | 187 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 3 |
| Census Block | 3028 |
| Census Tract | 426100 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 520 HAMPTON RD, PIEDMONT, CA 94611-3300 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 31, 2025 |
| Transfer Doc | 0000018153 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Piedmont City |
| Unified School District | Piedmont City Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $835,857 (+1.15%) Land $631,534 Building $211,323 | ||
| 2025 | $17,427.00 (+10.42%) Homeowner's exemption | $826,333 (+4.04%) Land $619,153 Building $207,180 | |
| 2023 | $15,782.00 Homeowner's exemption | $794,249 Land $595,113 Building $199,136 | $2,444,580 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 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 | Low lower than 99.1% of the US · lower than 99.2% 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 333 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, Sonic Telecom, T-Mobile.
5G (outdoors only) and 4G LTE
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