Alameda County property record for 17320 Cardinal Ct, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,835 sqft · built 2006 |
| Lot Size | 0.296 acres (12,880 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,160,000 (Sep 2006) |
| Tax Bill | $20,497 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1401-16 |
| Primary APN | 84D-1401-16 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,835 sqft Living Area |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 12,880 sqft (0.296 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 17320 CARDINAL CT |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1354 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00008 BLK: TR: 7425 |
| Legal Tract | 7425 |
| Legal Lot Number | 8 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 430300 |
17320 Cardinal Ct is owner-occupied and held in a trust since October 2013.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 17320 CARDINAL CT, CASTRO VALLEY, CA 94546-1354 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Sep 29, 2006 · Amount on File |
| Deed Sale | Sep 29, 2006 · Amount on File |
| Deed Document Number | 2006369000 |
| Last Transfer Date | Oct 7, 2013 |
| Transfer Doc | 0000332867 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 17320 Cardinal Ct was $20,497 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 | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,578,104 (+1.55%) Land $475,531 Building $1,109,573 | ||
| 2025 | $20,497.00 Homeowner's exemption | $1,554,028 Land $466,208 Building $1,087,820 | |
| 2023 | $19,817.00 Homeowner's exemption | $1,493,697 Land $448,109 Building $1,045,588 | $1,630,530 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 17320 Cardinal Ct 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 | 1 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 17320 Cardinal Ct is moderate, ranking above 65% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 65% of the US · above 40% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation |
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 293 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Sonic Telecom, T-Mobile.
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