Alameda County property record for 21898 Hoffman Way, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,267 sqft · built 1959 |
| Lot Size | 0.136 acres (5,940 sqft) |
| Owner | Individual Name on File |
| Last Sale | $81,000 (Apr 2001) |
| Tax Bill | $9,833 (2025) |
| Deeds & Mortgages | Apr 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 416-60-16 |
| Primary APN | 416-60-16 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,267 sqft Living Area |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,940 sqft (0.136 acres) |
| Street Address | 21898 HOFFMAN WAY |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-6542 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00002 BLK: 0002 TR: 1988 |
| Legal Subdivision | MAP OF KEY ROUTE HEIGHTS |
| Legal Tract | 1988 |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 431100 |
21898 Hoffman Way is owned and occupied by an individual who bought it in April 2001.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21898 HOFFMAN WAY, CASTRO VALLEY, CA 94546-6542 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 Sale | Apr 20, 2001 · Amount on File |
| Deed Sale | Apr 20, 2001 · Amount on File |
| Deed Document Number | 2001132761 |
| Prior Transfer Date | Aug 20, 1997 |
| Prior Transfer Doc | 0000267857 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 30, 2018 |
| Property Address | 21898 HOFFMAN WAY, CASTRO VALLEY, CA 94546-6542 |
| Document Number | 0000085719 |
| Instrument Date | Apr 30, 2018 |
| Instrument | 85719 |
| Transaction Type | Transfer |
| Record Updated | May 15, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21898 HOFFMAN WAY CASTRO VALLEY CA 945466542, CASTRO VALLEY, CA 94546-6542 |
The 2025 property tax bill for 21898 Hoffman Way was $9,833 with a homeowner's exemption.
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 | $759,579 (+1.07%) Land $348,445 Building $418,134 | ||
| 2025 | $9,833.00 Homeowner's exemption | $751,553 Land $341,615 Building $409,938 | |
| 2023 | $9,420.00 Homeowner's exemption | $722,375 Land $328,352 Building $394,023 | $835,290 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21898 Hoffman Way in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1989.
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 |
| Flood Insurance Cost | Premium on File 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.
Wildfire risk around 21898 Hoffman Way 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 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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