Contra Costa County property record for 4014 Cinnabar St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,046 sqft · built 1986 |
| Lot Size | 0.299 acres (13,035 sqft) |
| Owner | Trust Name on File |
| Last Sale | $165,000 (Aug 1996) |
| Tax Bill | $3,597 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 072-221-014-3 |
| Primary APN | 072-221-014-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,046 sqft Living Area |
| 1st Floor Area | 1,064 sqft |
| 2nd Floor Area | 982 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 13,035 sqft (0.299 acres) |
| Garage Type | Attached |
| Garage Area | 663 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4014 CINNABAR ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6247 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T05614 L0014 B EX MR |
| Legal Tract | 05614 |
| Legal Lot Number | 14 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 355109 |
4014 Cinnabar St is owner-occupied and held in a trust since August 2007.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4014 CINNABAR ST, ANTIOCH, CA 94509-6247 |
| Occupancy | Owner Occupied |
| 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 | Name on Deed |
|---|---|
| Last Sale | Aug 23, 1996 · Amount on File |
| Deed Sale | Aug 23, 1996 · Amount on File |
| Deed Document Number | 1996158380 |
| Last Transfer Date | Aug 15, 2007 |
| Transfer Doc | 0000248212 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4014 Cinnabar St was $3,597 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 | $279,543 (+2%) Land $54,802 Building $224,741 | |
| 2025 | $3,597.00 Homeowner's exemption | $274,063 Land $53,728 Building $220,335 |
| 2023 | $3,405.00 (+1.52%) Homeowner's exemption | $263,423 Land $51,643 Building $211,780 |
| 2022 | $3,354.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4014 Cinnabar St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 4014 Cinnabar St 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 645 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 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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