Alameda County property record for 866 Walnut St, Alameda, CA 94501 · Last verified August 2026
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 2,070 sqft · built 1900 |
| Lot Size | 0.092 acres (4,027 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,387 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 74-1230-35 |
| Primary APN | 74-1230-35 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,070 sqft Living Area |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1904 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,027 sqft (0.092 acres) |
| Street Address | 866 WALNUT ST |
|---|---|
| City | ALAMEDA |
| State | CA |
| Zip | 94501-4920 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT: 00035 BLK: AR: 0074 PAGE: 1230 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | ALAMEDA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 428400 |
Source: Alameda County records · APN 74-1230-35
Assessment roll updated August 5, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 866 WALNUT ST, ALAMEDA, CA 94501-4920 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Mar 04, 2002 |
| Transfer Doc | 0000159731 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Alameda City |
| Unified School District | Alameda City Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $67,274 (-7.61%) Land $52,517 Building $21,757 | |
| 2025 | $2,387.00 (+4.46%) Homeowner's exemption | $72,817 (+4.04%) Land $51,487 Building $21,330 |
| 2023 | $2,285.00 Homeowner's exemption | $69,990 Land $49,488 Building $20,502 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014284001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 490 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, California Internet, Google Fiber. Availability varies by address; speeds are provider-advertised maximums, not measured.
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