Contra Costa County property record for 3901 Lone Tree Way, Antioch, CA 94509 · Last verified July 2026
| Property Type | Public Works > Public Hospital |
|---|---|
| Year Built | Built 1992 |
| Square Footage | 109,536 sqft Gross Area |
| Lot Size | 24.9 acres |
| Tax Bill | $128,377.00 (2025) |
| Primary APN | 068-270-046-3 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Rooms |
|---|---|
| Building Area | 109,536 sqft Gross Area |
| 1st Floor | 109,536 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1992 |
| Lot Area | 1,085,950 sqft |
| View | Canal View |
| Street Address | 3901 LONE TREE WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6200 |
| Property Usage | Land which may be one of the following: Public spaces (i.e. parks and beaches), public buildings (i.e. schools, hospitals, courthouse), public services (i.e. water treatment, electrical grid/product, dams) Property Usage |
| Type | Public Works > Public Hospital |
| Legal Description | POR SEC 30 T2N R2E & PCL C 31LSM40 |
| Legal Range | 02E |
| Legal Township | 02N |
| Legal Section | 30 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 1 |
| Census Block | 1002 |
| Census Tract | 355109 |
Source: Contra Costa County records · APN 068-270-046-3
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 | Company Name on File |
|---|---|
| Mailing Address | PO BOX 619051, ROSEVILLE, CA 95661-9051 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Mar 13, 2018 |
| Transfer Doc | 0000045825 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 26, 2018 |
| Property Address | 3901 LONE TREE WAY, ANTIOCH, CA 94509-6200 |
| Document Number | 0000045825 |
| Instrument Date | Mar 13, 2018 |
| Instrument | 45825 |
| Transaction Type | Transfer |
| Record Updated | Apr 03, 2018 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
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 | $156,104,694 (+4.5%) Land $779,451 Building $155,325,243 | |
| 2025 | $128,377.00 (+17.35%) Additional exemption filed | $149,379,004 (+3.03%) Land $764,168 Building $148,614,836 |
| 2023 | $109,395.00 (-7.58%) Additional exemption filed | $144,989,498 Land $734,496 Building $144,255,002 |
| 2022 | $118,373.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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