Contra Costa County property record for 5173 Lone Tree Way, Antioch, CA 94531
| Property Type | Condominium |
|---|---|
| Details | 2,173 sqft · built 2006 |
| Lot Size | 0.034 acres (1,498 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $278,000 (May 2016) |
| Tax Bill | $4,006 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-460-009-6 |
| Primary APN | 056-460-009-6 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,173 sqft Living Area |
| 1st Floor Area | 2,173 sqft |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | Condo/Apartment |
| Lot Area | 1,498 sqft (0.034 acres) |
| Street Address | 5173 LONE TREE WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8689 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | T197PM28 PCL1 BA U109 |
| Legal Tract | 197PM28 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 302009 |
5173 Lone Tree Way, a condominium, is held in a trust since May 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 501 PASO NOGAL RD, PLEASANT HILL, CA 94523-1632 |
| Owner Type | Company |
| Vesting | Trust |
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 | May 9, 2016 · Amount on File |
| Deed Sale | May 9, 2016 · Amount on File |
| Prior Sale | Dec 13, 2012 · Amount on File |
| Deed Document Number | 201686356 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5173 Lone Tree Way was $4,006.
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 | $335,669 (+2%) Land $100,699 Building $234,970 | |
| 2025 | $4,006.00 | $329,088 Land $98,725 Building $230,363 |
| 2023 | $3,754.00 (+1.54%) | $316,312 Land $94,893 Building $221,419 |
| 2022 | $3,697.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5173 Lone Tree Way in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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 5173 Lone Tree Way 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 | 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 611 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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