Alameda County property record for 21473 Gary Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,330 sqft · built 1949 |
| Lot Size | 0.233 acres (10,133 sqft) |
| Owner | Company Name on Record |
| Last Sale | $250,000 (Mar 2013) |
| Tax Bill | $4,900 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 415-160-25 |
| Primary APN | 415-160-25 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,330 sqft Living Area |
| 1st Floor Area | 1,330 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 10,133 sqft (0.233 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 21473 GARY DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-6813 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00004 BLK: 0001 TR: 0699 |
| Legal Tract | 0699 |
| Legal Block | 1 |
| Legal Lot Number | 4 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3019 |
| Census Tract | 431200 |
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 Record |
|---|---|
| Mailing Address | 21473 GARY DR, CASTRO VALLEY, CA 94546-6813 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 5, 2013 · Amount on Record |
| Deed Sale | Mar 5, 2013 · Amount on Record |
| Deed Document Number | 201385026 |
| Last Transfer Date | Dec 23, 2016 |
| Transfer Doc | 0000336179 |
| Record Updated | Oct 29, 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 | $307,000 (-0.27%) Land $94,200 Building $219,800 | ||
| 2025 | $4,900.00 (+18.59%) Homeowner's exemption | $307,844 (+4.04%) Land $92,353 Building $215,491 | |
| 2023 | $4,132.00 Homeowner's exemption | $295,891 Land $88,767 Building $207,124 | $826,830 |
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 X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 31 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 31 in force |
| Nearby Flood Claims | 1 (2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 549 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 |
| Starlink Satellite | 280 / 30 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, T-Mobile, Unwired.
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