Contra Costa County property record for 5516 Shell Ridge Way, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 3,143 sqft · built 2021 |
| Lot Size | 0.175 acres (7,632 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $882,500 (Dec 2021) |
| Tax Bill | $13,370 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 053-820-027 |
| Primary APN | 053-820-027 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 3,143 sqft Living Area |
| 1st Floor Area | 3,143 sqft |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2021 |
| Lot Area | 7,632 sqft (0.175 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5516 SHELL RIDGE WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8700 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9490 L269 |
| Legal Tract | 9490 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 302009 |
5516 Shell Ridge Way is owned and occupied by two individuals who bought it in December 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5516 SHELL RIDGE WAY, ANTIOCH, CA 94531-8700 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Dec 15, 2021 · Amount on File |
| Deed Sale | Dec 15, 2021 · Amount on File |
| Deed Document Number | 2021338769 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 5516 Shell Ridge Way was $13,370 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $935,002 (+2%) Land $205,661 Building $729,341 | |
| 2025 | $13,370.00 Homeowner's exemption | $916,670 Land $201,629 Building $715,041 |
| 2023 | $12,094.00 (+28.56%) Homeowner's exemption | $881,076 Land $193,800 Building $687,276 |
| 2022 | $9,407.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5516 Shell Ridge Way in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 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 6 (20% premium discount) |
| Nearby Flood Policies | 2 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 5516 Shell Ridge Way is low, with less than 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 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 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 | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| 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.
Source: FCC Broadband Data Collection, based on 286 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
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