Alameda County property record for 4432 James Ave, Castro Valley, CA 94546
| Property Type | Public Hospital |
|---|---|
| Details | 9,730 sqft · built 1972 |
| Lot Size | 0.718 acres (31,279 sqft) |
| Owner | Company Name on File |
| Tax Bill | $8,626 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-820-7-2 |
| Primary APN | 84C-820-7-2 |
|---|---|
| Alternative APN |
|
| Units | 37 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 9,730 sqft Total Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 31,279 sqft (0.718 acres) |
| Street Address | 4432 JAMES AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3533 |
| Property Category | Public Works |
| Property Type | Public Works > Public Hospital |
| Legal Description | LOT: BLK: TR: 0577 |
| Legal Tract | 0577 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 430200 |
4432 James Ave, a public works property, is owned by a company.
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4432 JAMES AVE, CASTRO VALLEY, CA 94546-3533 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4432 James Ave was $8,626.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $844,716 (-25.7%) Land $232,296 Building $612,420 | |
| 2025 | $8,626.00 | $1,136,872 Land $227,741 Building $909,131 |
| 2023 | $6,592.00 | $1,127,569 Land $218,898 Building $908,671 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4432 James Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 in force |
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.
Wildfire risk around 4432 James Ave is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 724 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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