Alameda County property record for 18072 Joseph Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 2,578 sqft · built 1957 |
| Lot Size | 0.245 acres (10,664 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $650,000 (Jul 2013) |
| Tax Bill | $11,807 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1206-57 |
| Primary APN | 84D-1206-57 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,578 sqft Living Area |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 10,664 sqft (0.245 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 18072 JOSEPH DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1306 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00018 BLK: 000G TR: 1877 |
| Legal Tract | 1877 |
| Legal Block | G |
| Legal Lot Number | 18 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 430300 |
18072 Joseph Dr is owned and occupied by two individuals who bought it in July 2013.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18072 JOSEPH DR, CASTRO VALLEY, CA 94546-1306 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Jul 17, 2013 · Amount on File |
| Deed Sale | Jul 17, 2013 · Amount on File |
| Deed Document Number | 2013244460 |
| Prior Transfer Date | May 24, 2010 |
| Prior Transfer Doc | 0000161697 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 18072 JOSEPH DR, CASTRO VALLEY, CA 94546-1306 |
| Transaction Type | Mortgage |
| Record Updated | Feb 11, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | 18072 JOSEPH DR, CASTRO VALLEY, CA 94546-1306 |
| Document Number | 0000340176 |
|---|---|
| Date | Dec 8, 2020 |
| Instrument | 2020340176 |
| Name | GOOGAIN INC |
|---|---|
| Type | Mortgage Company |
| Address | SUNNYVALE, CA 94086 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 355 Months |
| Due | Jul 1, 2050 |
The 2025 property tax bill for 18072 Joseph Dr was $11,807 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 | $945,650 (+1.25%) Land $243,812 Building $708,838 | ||
| 2025 | $11,807.00 Homeowner's exemption | $933,974 Land $239,032 Building $694,942 | |
| 2023 | $11,369.00 Homeowner's exemption | $897,714 Land $229,752 Building $667,962 | $1,110,330 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18072 Joseph Dr 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 18072 Joseph Dr is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 666 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, T-Mobile, Unwired.
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