Alameda County property record for 20864 Wilbeam Ave, Castro Valley, CA 94546
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 6 ba · 4,050 sqft · built 1963 |
| Lot Size | 0.18 acres (7,843 sqft) |
| Owner | Company Name on File |
| Last Sale | $580,000 (Aug 1999) |
| Tax Bill | $14,941 (2025) |
| Deeds & Mortgages | May 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-60-12-2 |
| Primary APN | 84A-60-12-2 |
|---|---|
| Alternative APN |
|
| Full Baths | 6 Baths |
|---|---|
| Units | 6 Units |
| Stories | 2 Stories |
| Building Area | 4,050 sqft Living Area |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Construction Type | Wood |
| Lot Area | 7,843 sqft (0.18 acres) |
| Street Address | 20864 WILBEAM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5824 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT: 00002 BLK: 0012 AR: 084A PAGE: 0060 |
| Legal Subdivision | CASTRO VLY GARDENS |
| Legal Block | C |
| Legal Lot Number | 1&2 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 431000 |
Source: Alameda County records · APN 84A-60-12-2
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3350 OAKES DR, HAYWARD, CA 94542-1240 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 06, 1999 · Amount on Record |
| Deed Sale | Aug 06, 1999 · Amount on Record |
| Deed Document Number | 1999298893 |
| Last Transfer Date | Apr 30, 2021 |
| Transfer Doc | 0000179876 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 11, 2021 |
| Property Address | 20864 WILBEAM AVE, CASTRO VALLEY, CA 94546-5824 |
| Document Number | 0000179876 |
| Map Reference | MB 28 PG 57 |
| Instrument Date | Apr 30, 2021 |
| Instrument | 2021179876 |
| Transaction Type | Transfer |
| Record Updated | May 31, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3350 OAKES DR, HAYWARD, CA 94542-1240 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $909,218 (+2%) Land $272,765 Building $636,453 | |
| 2025 | $14,941.00 (+5.57%) | $891,395 (+4.04%) Land $267,418 Building $623,977 |
| 2023 | $14,153.00 | $856,787 Land $257,036 Building $599,751 |
Source: FEMA National Flood Hazard Layer as of May 25, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 13 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 1 (1993) |
| Most Recent Claim | Jan 1993 · other causes |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Unwired.
Based on FCC filings for 499 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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