Alameda County property record for 991 Castro St, San Leandro, CA 94577
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,308 sqft · built 1900 |
| Lot Size | 0.193 acres (8,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $360,000 (Nov 2002) |
| Tax Bill | $8,249 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 75-104-15 |
| Primary APN | 75-104-15 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,308 sqft Living Area |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 8,400 sqft (0.193 acres) |
| Street Address | 991 CASTRO ST |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94577-3433 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT: 00015 BLK: AR: 0075 PAGE: 0104 |
| Legal Subdivision | HARDS ADD |
| Legal Block | 4 |
| Legal Lot Number | 12 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 432501 |
991 Castro St, a duplex, is owned and occupied by two individuals who bought it in November 2002.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 991 CASTRO ST, SAN LEANDRO, CA 94577-3433 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Nov 22, 2002 · Amount on File |
| Deed Sale | Nov 22, 2002 · Amount on File |
| Deed Document Number | 2002547284 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 991 Castro St was $8,249.
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 | $531,777 (+2%) Land $159,533 Building $372,244 | |
| 2025 | $8,249.00 | $521,351 Land $156,405 Building $364,946 |
| 2023 | $7,797.00 | $501,111 Land $150,333 Building $350,778 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 991 Castro 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 991 Castro 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 538 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 · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Verizon.
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