Alameda County property record for 320 Hampton Rd, Piedmont, CA 94611
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 5,273 sqft · built 1929 |
| Lot Size | 0.551 acres (23,994 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,767,500 (Sep 1998) |
| Tax Bill | $41,747 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 51-4790-1-1 |
| Primary APN | 51-4790-1-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 5,273 sqft Living Area |
| Year Built | Built 1929 |
|---|---|
| Effective Year Built | Effective 1936 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 23,994 sqft (0.551 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 320 HAMPTON RD |
|---|---|
| City | PIEDMONT |
| State | CA |
| Zip | 94611-3554 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 0001 AR: 0051 PAGE: 4790 |
| Legal Subdivision | MAP OF THE CROCKER TRACT |
| Legal Lot Number | 41,44 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 426100 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 320 HAMPTON RD, PIEDMONT, CA 94611-3554 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 4, 1998 · Amount on Record |
| Deed Sale | Sep 4, 1998 · Amount on Record |
| Deed Document Number | 1998308875 |
| Prior Transfer Date | Jul 13, 1994 |
| Prior Transfer Doc | 0000286242 |
| 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 | $2,826,178 (+2%) Land $847,933 Building $1,978,245 | ||
| 2025 | $41,747.00 (+6.55%) | $2,770,767 (+4.04%) Land $831,308 Building $1,939,459 | |
| 2023 | $39,179.00 | $2,663,197 Land $799,034 Building $1,864,163 | $5,929,290 |
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 97% of the US · lower than 97.8% 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 384 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 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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