Alameda County property record for 3275 Thompson Ave, Alameda, CA 94501
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,180 sqft · built 1930 |
| Lot Size | 0.129 acres (5,600 sqft) |
| Owner | Trust Name on File |
| Last Sale | $790,000 (Dec 2011) |
| Tax Bill | $14,633 (2025) |
| Deeds & Mortgages | Aug 2021 Line of Credit Nov 2020 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 69-109-34 |
| Primary APN | 69-109-34 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,180 sqft Living Area |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1932 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,600 sqft (0.129 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3275 THOMPSON AVE |
|---|---|
| City | ALAMEDA |
| State | CA |
| Zip | 94501-1729 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00034 BLK: AR: 0069 PAGE: 0109 |
| Legal Subdivision | THOMPSON PARK |
| Legal Lot Number | 24 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | ALAMEDA |
| Census Block Group | 3 |
| Census Block | 3020 |
| Census Tract | 427100 |
3275 Thompson Ave is held in a trust since November 2020.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3275 THOMPSON AVE, ALAMEDA, CA 94501-1729 |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Aug 5, 2021 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Nov 25, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage LOANDEPOT.COM LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 22, 2011 · Amount on File |
| Deed Sale | Dec 22, 2011 · Amount on File |
| Deed Document Number | 2011372194 |
| Last Transfer Date | Nov 17, 2020 |
| Transfer Doc | 0000325582 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3275 THOMPSON AVE, ALAMEDA, CA 94501-1729 |
| Transaction Type | Mortgage |
| Record Updated | Aug 27, 2021 |
| Title Company | RADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES |
| Name | Verified Name |
|---|---|
| Address | 3275 THOMPSON AVE, ALAMEDA, CA 94501-1729 |
| Document Number | 0000268603 |
|---|---|
| Date | Aug 5, 2021 |
| Instrument | 2021268603 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Jul 22, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Nov 25, 2020 |
| Property Address | 3275 THOMPSON AVE, ALAMEDA, CA 94501-1729 |
| Document Number | 0000325582 |
| Map Reference | MB 7 PG 16 |
| Instrument Date | Nov 17, 2020 |
| Instrument | 2020325582 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | NORTH AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Living Trust |
| Address | 3275 THOMPSON AVE, ALAMEDA, CA 94501-1729 |
| Document Number | 0000325583 |
|---|---|
| Date | Nov 25, 2020 |
| Instrument | 2020325583 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2050 |
The 2025 property tax bill for 3275 Thompson Ave was $14,633.
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 | $1,012,068 (+2%) Land $303,620 Building $708,448 | ||
| 2025 | $14,633.00 | $992,231 Land $297,669 Building $694,562 | |
| 2023 | $13,775.00 | $953,711 Land $286,113 Building $667,598 | $1,502,730 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3275 Thompson Ave in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
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 |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File 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.
The area around 3275 Thompson Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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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