Alameda County property record for 3220 Thompson Ave, Alameda, CA 94501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,934 sqft · built 1924 |
| Lot Size | 0.128 acres (5,560 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,725,000 (Nov 2020) |
| Tax Bill | $23,109 (2025) |
| Deeds & Mortgages | Nov 2020 Sale Sep 2020 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 69-104-11 |
| Primary APN | 69-104-11 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,934 sqft Living Area |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1928 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,560 sqft (0.128 acres) |
| Street Address | 3220 THOMPSON AVE |
|---|---|
| City | ALAMEDA |
| State | CA |
| Zip | 94501-1730 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00011 BLK: AR: 0069 PAGE: 0104 |
| Legal Subdivision | THOMPSON PARK |
| Legal Lot Number | 51 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | ALAMEDA |
| Census Block Group | 3 |
| Census Block | 3021 |
| Census Tract | 427100 |
3220 Thompson Ave is owner-occupied and 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 | 3220 THOMPSON AVE, ALAMEDA, CA 94501-1730 |
| Occupancy | Owner Occupied |
| 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 |
|---|---|
| Nov 12, 2020 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Sep 15, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Sep 15, 2020 | Affidavit of Death, Transfer NOT AVAILABLE |
| Sep 17, 2018 | Affidavit of Death, Transfer NOT AVAILABLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 12, 2020 · Amount on File |
| Deed Sale | Nov 12, 2020 · Amount on File |
| Deed Document Number | 2020307003 |
| Prior Transfer Date | Sep 14, 2020 |
| Prior Transfer Doc | 0000233282 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Nov 12, 2020 |
| Property Address | 3220 THOMPSON AVE, ALAMEDA, CA 94501-1730 |
| Document Number | 0000307003 |
| Instrument Date | Nov 3, 2020 |
| Instrument | 307003 |
| Transaction Type | Transfer |
| Record Updated | Jan 29, 2021 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount on Record |
|---|---|
| Tax | $1,898.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 3220 THOMPSON AVE ALAMEDA CA 945011730, ALAMEDA, CA 94501-1730 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 15, 2020 |
| Property Address | 3220 THOMPSON AVE, ALAMEDA, CA 94501-1730 |
| Document Number | 0000233282 |
| Instrument Date | Sep 14, 2020 |
| Instrument | 233282 |
| Transaction Type | Transfer |
| Record Updated | Nov 18, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3220 THOMPSON AVE ALAMEDA CA 945011730, ALAMEDA, CA 94501-1730 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 15, 2020 |
| Property Address | 3220 THOMPSON AVE, ALAMEDA, CA 94501-1730 |
| Document Number | 0000233281 |
| Instrument Date | Jun 20, 2020 |
| Instrument | 233281 |
| Transaction Type | Transfer |
| Record Updated | Nov 18, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 3220 THOMPSON AVE ALAMEDA CA 945011730, ALAMEDA, CA 94501-1730 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 17, 2018 |
| Property Address | 3220 THOMPSON AVE, ALAMEDA, CA 94501-1730 |
| Document Number | 0000180853 |
| Instrument Date | Sep 12, 2018 |
| Instrument | 180853 |
| Transaction Type | Transfer |
| Record Updated | Mar 26, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 3220 THOMPSON AVE ALAMEDA CA 945011730, ALAMEDA, CA 94501-1730 |
The 2025 property tax bill for 3220 Thompson Ave was $23,109 with a homeowner's exemption.
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 | $1,567,000 (-8.36%) Land $472,200 Building $1,101,800 | ||
| 2025 | $23,109.00 Homeowner's exemption | $1,710,000 Land $513,000 Building $1,197,000 | |
| 2023 | $23,461.00 Homeowner's exemption | $1,794,690 Land $717,876 Building $1,076,814 | $1,714,590 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3220 Thompson Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2026.
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 |
| 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 3220 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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