Contra Costa County property record for 311 Sunset Dr, Antioch, CA 94509
| Property Type | Light Industrial |
|---|---|
| Details | 7,942 sqft · built 2002 |
| Lot Size | 0.63 acres (27,442 sqft) |
| Owner | Company Name on Record |
| Last Sale | $320,000 (May 2011) |
| Tax Bill | $14,962 (2025) |
| Deeds & Mortgages | Aug 2017 Construction Loan |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-100-045-1 |
| Primary APN | 068-100-045-1 |
|---|---|
| Alternative APN |
|
| Total Rooms | 3 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 7,942 sqft Gross Area |
| 1st Floor Area | 7,942 sqft |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2003 |
| Lot Area | 27,442 sqft (0.63 acres) |
| Street Address | 311 SUNSET DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2870 |
| Property Category | Industrial |
| Property Type | Industrial > Light Industrial |
| Local Zoning Code | M-1 |
| Legal Description | PCL MAP 145 PG 1 PCL B & POR PCL C |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 308001 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 311 SUNSET DR, ANTIOCH, CA 94509-2870 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 6, 2011 · Amount on Record |
| Deed Sale | May 6, 2011 · Amount on Record |
| Prior Sale | Mar 2, 2010 · Amount on Record |
| Deed Document Number | 201191932 |
| Last Transfer Date | Aug 1, 2017 |
| Transfer Doc | 0000140421 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 4, 2017 |
| Property Address | 311 SUNSET DR, ANTIOCH, CA 94509-2870 |
| Document Number | 0000140421 |
| Map Reference | PM145 PG1 |
| Instrument Date | Aug 1, 2017 |
| Instrument | 2017-140421 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 311 SUNSET DR, ANTIOCH, CA 94509-2870 |
| Document Number | 0000140423 |
|---|---|
| Date | Aug 4, 2017 |
| Instrument | 2017-140423 |
| Name | SEACOAST COMMERCE BANK |
|---|---|
| Type | Bank |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | $1,180,376 (+2%) Land $511,804 Building $668,572 | |
| 2025 | $14,962.00 (+6.91%) | $1,157,232 (+4.04%) Land $501,769 Building $655,463 |
| 2023 | $13,995.00 (-3.49%) | $1,112,297 Land $482,286 Building $630,011 |
| 2022 | $14,501.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1998–2004) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Nov 2004 · rainfall accumulation |
| Claims by Event |
|
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 597 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures