Alameda County property record for 3255 Thompson Ave, Alameda, CA 94501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,482 sqft · built 1918 |
| Lot Size | 0.129 acres (5,600 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $360,000 (Jun 1999) |
| Tax Bill | $9,484 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 69-109-40 |
| Primary APN | 69-109-40 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,482 sqft Living Area |
| Year Built | Built 1918 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,600 sqft (0.129 acres) |
| Street Address | 3255 THOMPSON AVE |
|---|---|
| City | ALAMEDA |
| State | CA |
| Zip | 94501-1729 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00040 BLK: AR: 0069 PAGE: 0109 |
| Legal Subdivision | THOMPSON PARK |
| Legal Lot Number | 18 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | ALAMEDA |
| Census Block Group | 3 |
| Census Block | 3020 |
| Census Tract | 427100 |
Source: Alameda County records, as of August 26, 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 | 3255 THOMPSON AVE, ALAMEDA, CA 94501-1729 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 29, 1999 · Amount on Record |
| Deed Sale | Jun 29, 1999 · Amount on Record |
| Deed Document Number | 1999240225 |
| Last Transfer Date | Dec 22, 2009 |
| Transfer Doc | 0000397554 |
| Record Updated | Oct 29, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Alameda City |
| Unified School District | Alameda City Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $613,448 (+0.85%) Land $172,688 Building $447,760 | ||
| 2025 | $9,484.00 (+6.14%) Homeowner's exemption | $608,283 (+4.04%) Land $169,302 Building $438,981 | |
| 2023 | $8,935.00 Homeowner's exemption | $584,669 Land $162,730 Building $421,939 | $1,018,080 |
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 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 26 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 26 in force |
| Nearby Flood Claims | 1 (2026) |
| Most Recent Claim | Jan 2026 · tidal / storm surge |
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 | 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 398 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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