Alameda County property record for 2526 Watson St, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 905 sqft · built 1948 |
| Lot Size | 0.124 acres (5,408 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $4,586 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 416-10-44 |
| Primary APN | 416-10-44 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 905 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,408 sqft (0.124 acres) |
| Street Address | 2526 WATSON ST |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-6420 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 0001 TR: 0875 |
| Legal Tract | 0875 |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 431100 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 2526 WATSON ST, CASTRO VALLEY, CA 94546-6420 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Hayward Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $309,070 (+2%) Land $92,721 Building $216,349 | ||
| 2025 | $4,586.00 (+4.82%) | $303,011 (+4.04%) Land $90,903 Building $212,108 | |
| 2023 | $4,375.00 | $291,245 Land $87,373 Building $203,872 | $708,840 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 14 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 7 (1989–1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| Claims by Event |
|
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.
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 732 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom, Unwired.
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