Alameda County property record for 5470 Troost Ct, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,292 sqft · built 1978 |
| Lot Size | 0.445 acres (19,397 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $775,000 (Sep 2004) |
| Tax Bill | $13,533 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-6305-5 |
| Primary APN | 85-6305-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,292 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | L-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 19,397 sqft (0.445 acres) |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5470 TROOST CT |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-1723 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00031 BLK: 000B TR: 3814 |
| Legal Tract | 3814 |
| Legal Block | B |
| Legal Lot Number | 31 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 430102 |
5470 Troost Ct is owned and occupied by two individuals who bought it in September 2004.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 5470 TROOST CT, CASTRO VALLEY, CA 94552-1723 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 13, 2004 · Amount on File |
| Deed Sale | Sep 13, 2004 · Amount on File |
| Prior Sale | Jan 28, 2000 · Amount on File |
| Deed Document Number | 2004411477 |
| Prior Transfer Date | Aug 8, 2003 |
| Prior Transfer Doc | 0000530641 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5470 Troost Ct was $13,533 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 | $1,094,778 (+1.35%) Land $330,533 Building $771,245 | ||
| 2025 | $13,533.00 Homeowner's exemption | $1,080,178 Land $324,053 Building $756,125 | |
| 2023 | $13,037.00 Homeowner's exemption | $1,038,243 Land $311,473 Building $726,770 | $1,345,590 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 5470 Troost Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 5470 Troost Ct is moderate, ranking above 51% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 51% of the US · lower than 70% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 389 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · 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: Unwired.
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