Alameda County property record for 307 Castro St, San Leandro, CA 94577
| Property Type | Duplex |
|---|---|
| Details | 8 bd · 6 ba · 4,026 sqft · built 1993 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $9,100 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 75-73-19 |
| Primary APN | 75-73-19 |
|---|---|
| Alternative APN |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 6 Baths |
| Total Rooms | 14 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 4,026 sqft Living Area |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Construction Type | Wood |
| Lot Area | 7,500 sqft (0.172 acres) |
| View / Lot | Average |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 307 CASTRO ST |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94577-5814 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT: 00019 BLK: AR: 0075 PAGE: 0073 |
| Legal Subdivision | HEMME |
| Legal Lot Number | 24 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 432601 |
307 Castro St, a duplex, is owner-occupied and held in a trust since April 2014.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 307 CASTRO ST, SAN LEANDRO, CA 94577-5814 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 26, 2014 |
| Transfer Doc | 0000104904 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 307 Castro St was $9,100 with a homeowner's exemption.
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 | $601,920 (-0.32%) Land $140,970 Building $474,950 | |
| 2025 | $9,100.00 Homeowner's exemption | $603,843 Land $138,206 Building $465,637 |
| 2023 | $8,613.00 | $580,398 Land $132,840 Building $447,558 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 307 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.
The area around 307 Castro St 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 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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