Alameda County property record for 100 Thornton St, San Leandro, CA 94577
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 20 bd · 20 ba · 22,916 sqft · built 1966 |
| Lot Size | 0.344 acres (15,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $53,304 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 77-545-49-1 |
| Primary APN | 77-545-49-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 20 Beds |
|---|---|
| Full Baths | 20 Baths |
| Total Rooms | 80 Rooms |
| Units | 27 Units |
| Stories | 3 Stories |
| Building Area | 22,916 sqft Living Area |
| Fireplaces | 1 Fireplace |
|---|---|
| Fireplace | Fireplace |
| Security Alarm | Security Alarm |
| Elevator | Elevator |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Flat |
| Roof Material | Built-Up Asphalt |
| Lot Area | 15,000 sqft (0.344 acres) |
| Lot Dimensions | 125 ft deep x 120 ft wide |
| View / Lot | Average |
| Parking Spaces | 21 Parking Spaces |
| Street Address | 100 THORNTON ST |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94577-4837 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT: 00001 BLK: 0049 AR: 0077 PAGE: 0545 ;RANCHO: MISC |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 432601 |
100 Thornton St, a residential property, is owned by a company.
Source: Alameda County records, as of September 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 314, SAN LORENZO, CA 94580-0314 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 100 Thornton St was $53,304.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | San Leandro City |
| Unified School District | San Leandro Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $3,059,112 (+1.99%) Land $632,548 Building $2,416,374 | |
| 2025 | $53,304.00 | $2,999,329 Land $620,145 Building $2,368,994 |
| 2023 | $49,209.00 | $2,883,416 Land $596,066 Building $2,287,350 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 100 Thornton St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 100 Thornton St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 792 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, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Starlink Satellite | 280 / 30 |
May also be available: GeoLinks, T-Mobile, Verizon.
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