Alameda County property record for 18418 Joseph Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,268 sqft · built 1955 |
| Lot Size | 0.122 acres (5,292 sqft) |
| Owner | Individual Name on File |
| Last Sale | $550,000 (Apr 2014) |
| Tax Bill | $8,824 (2025) |
| Deeds & Mortgages | Aug 2021 Line of Credit Apr 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1208-27-4 |
| Primary APN | 84D-1208-27-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,268 sqft Living Area |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,292 sqft (0.122 acres) |
| Street Address | 18418 JOSEPH DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2206 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 0003 TR: 1236 ;LOT: 00002 BLK: 0003 TR: 1236 ;LOT: 00003 BLK: 0003 TR: 1236 |
| Legal Subdivision | 1236 RHO SAN LORENZO |
| Legal Tract | 1236 |
| Legal Block | 3 |
| Legal Lot Number | 1-3 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 430300 |
18418 Joseph Dr is owned and occupied by an individual who bought it in April 2014.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 18418 JOSEPH DR, CASTRO VALLEY, CA 94546-2206 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Aug 30, 2021 | Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND |
| Apr 7, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 4, 2014 · Amount on File |
| Deed Sale | Apr 4, 2014 · Amount on File |
| Prior Sale | Apr 4, 2014 |
| Deed Document Number | 201483631 |
| Prior Transfer Date | Oct 15, 1996 |
| Prior Transfer Doc | 0000293616 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 18418 JOSEPH DR, CASTRO VALLEY, CA 94546-2206 |
| Transaction Type | Mortgage |
| Record Updated | Sep 20, 2021 |
| Title Company | TITLE 365, TITLE365 |
| Name | Verified Name |
|---|---|
| Address | 18418 JOSEPH DR, CASTRO VALLEY, CA 94546-2206 |
| Document Number | 0000293533 |
|---|---|
| Date | Aug 30, 2021 |
| Instrument | 2021293533 |
| Name | THIRD FSLA OF CLEVELAND |
|---|---|
| Type | Bank |
| Address | CLEVELAND, OH 44105 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 18, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 18418 JOSEPH DR, CASTRO VALLEY, CA 94546-2206 |
| Transaction Type | Mortgage |
| Record Updated | Apr 28, 2021 |
| Name | Verified Name |
|---|---|
| Address | 18418 JOSEPH DR, CASTRO VALLEY, CA 94546-2206 |
| Document Number | 0000139054 |
|---|---|
| Date | Apr 7, 2021 |
| Instrument | 2021139054 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2051 |
The 2025 property tax bill for 18418 Joseph Dr was $8,824.
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 | $687,675 (+2%) Land $206,302 Building $481,373 | ||
| 2025 | $8,824.00 | $674,194 Land $202,258 Building $471,936 | |
| 2023 | $8,488.00 | $648,020 Land $194,406 Building $453,614 | $1,043,190 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18418 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 18418 Joseph Dr is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 724 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 · Fixed Wireless, 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, GeoLinks, T-Mobile.
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