Alameda County property record for 1403 Williams St, San Leandro, CA 94577
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,350 sqft · built 1911 |
| Lot Size | 0.242 acres (10,540 sqft) |
| Owner | Company Name on File |
| Last Sale | $25,000 (Apr 1997) |
| Tax Bill | $8,982 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 77A-729-3 |
| Primary APN | 77A-729-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,350 sqft Living Area |
| Year Built | Built 1911 |
|---|---|
| Effective Year Built | Effective 1914 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 10,540 sqft (0.242 acres) |
| Street Address | 1403 WILLIAMS ST |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94577-2402 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 432501 |
1403 Williams St is owned by a company that bought it in April 1997.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 21967 REDWOOD RD, CASTRO VALLEY, CA 94546-6437 |
| Owner Type | Company |
| Vesting | 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 |
|---|---|
| Last Sale | Apr 28, 1997 · Amount on File |
| Deed Sale | Apr 28, 1997 · Amount on File |
| Deed Document Number | 1997106364 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1403 Williams St was $8,982.
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $656,447 (+2%) Land $214,350 Building $442,097 | ||
| 2025 | $8,982.00 | $643,579 Land $210,148 Building $433,431 | |
| 2023 | $8,592.00 | $618,595 Land $201,990 Building $416,605 | $678,330 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1403 Williams 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 1403 Williams 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 98% of the US · lower than 98.4% 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 623 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 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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