Contra Costa County property record for 4137 Amargosa Dr, Antioch, CA 94531 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,448 sqft · built 1994 |
| Lot Size | 0.179 acres (7,776 sqft) |
| Owner | Individual Name on File |
| Last Sale | $500,000 (Jul 2007) |
| Tax Bill | $7,614 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-430-008-4 |
| Primary APN | 052-430-008-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,448 sqft Living Area |
| 1st Floor Area | 1,325 sqft |
| 2nd Floor Area | 1,123 sqft |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 7,776 sqft (0.179 acres) |
| Garage Type | Attached |
| Garage Area | 626 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4137 AMARGOSA DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8243 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7181 L298 |
| Legal Tract | 7181 |
| Legal Lot Number | 298 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 308002 |
Source: Contra Costa County records · APN 052-430-008-4
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4137 AMARGOSA DR, ANTIOCH, CA 94531-8243 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 18, 2007 · Amount on Record |
| Deed Sale | Jul 18, 2007 · Amount on Record |
| Prior Sale | Mar 31, 1994 · Amount on Record |
| Deed Document Number | 2007207061 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $669,881 (+2%) Land $261,252 Building $408,629 | |
| 2025 | $7,614.00 (+5.97%) Homeowner's exemption | $656,747 (+4.04%) Land $256,130 Building $400,617 |
| 2023 | $7,185.00 (+1.6%) Homeowner's exemption | $631,246 Land $246,185 Building $385,061 |
| 2022 | $7,072.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133080021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low above 3% of the US · above 2% of California |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 204 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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