Alameda County property record for 18983 Vaughn Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,706 sqft · built 1957 |
| Lot Size | 0.136 acres (5,922 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $555,000 (Jan 2013) |
| Tax Bill | $8,851 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1342-66 |
| Primary APN | 84D-1342-66 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,706 sqft Living Area |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,922 sqft (0.136 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 18983 VAUGHN AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3019 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 000A TR: 1591 ;LOT: 00002 BLK: 000A TR: 1591 |
| Legal Tract | 1591 |
| Legal Block | A |
| Legal Lot Number | 1,2 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 430700 |
18983 Vaughn Ave is owned and occupied by two individuals who bought it in January 2013.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18983 VAUGHN AVE, CASTRO VALLEY, CA 94546-3019 |
| 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 | Jan 29, 2013 · Amount on File |
| Deed Sale | Jan 29, 2013 · Amount on File |
| Prior Sale | Aug 29, 2003 · Amount on File |
| Deed Document Number | 201336776 |
| Prior Transfer Date | Sep 24, 2004 |
| Prior Transfer Doc | 0000434635 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18983 Vaughn Ave was $8,851 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 | $690,080 (+0.98%) Land $209,124 Building $487,956 | ||
| 2025 | $8,851.00 Homeowner's exemption | $683,415 Land $205,024 Building $478,391 | |
| 2023 | $8,510.00 Homeowner's exemption | $656,880 Land $197,064 Building $459,816 | $1,096,830 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18983 Vaughn Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 | 5 in force |
| Nearby Flood Claims | 1 (1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 18983 Vaughn Ave 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 938 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 in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile, Unwired, Verizon.
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