Contra Costa County property record for 351 Sunset Dr, Antioch, CA 94509
| Property Type | Industrial Park |
|---|---|
| Details | 34,560 sqft · built 1978 |
| Lot Size | 2.81 acres (122,839 sqft) |
| Owner | Company Name on File |
| Last Sale | $5,950,000 (Dec 2017) |
| Tax Bill | $70,022 (2025) |
| Deeds & Mortgages | Dec 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-100-041 |
| Primary APN | 068-100-041 |
|---|---|
| Alternative APN |
|
| Total Rooms | 12 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 34,560 sqft Gross Area |
| 1st Floor Area | 34,560 sqft |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1991 |
| Lot Area | 122,839 sqft |
| Street Address | 351 SUNSET DR, 401 |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2851 |
| Property Category | Industrial |
| Property Type | Industrial > Industrial Park |
| Legal Description | PCL MAP 145 PG 1 PCL A |
| Legal Subdivision | SUBDIVISION MS 1-89 |
| Legal Tract | 145PM1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 308001 |
351 Sunset Dr is owned by a company that bought it in December 2017.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 370 CIVIC DR, PLEASANT HILL, CA 94523-1921 |
| Owner Type | Company |
| Vesting | Company |
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 | Dec 13, 2017 · Amount on File |
| Deed Sale | Dec 13, 2017 · Amount on File |
| Prior Sale | Jul 24, 2013 · Amount on File |
| Deed Document Number | 2017233545 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 13, 2017 |
| Property Address | 351 SUNSET DR # 401, 401, ANTIOCH, CA 94509-2851 |
| Document Number | 0000233545 |
| Map Reference | PM145 PG1 |
| Instrument Date | Dec 6, 2017 |
| Instrument | 2017-233545 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2230 DAVIS CT, HAYWARD, CA 94545-1114 |
| Document Number | 0000233546 |
|---|---|
| Date | Dec 13, 2017 |
| Instrument | 2017-233546 |
| Name | BAC COMMUNITY BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 351 Sunset Dr was $70,022.
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 | $5,855,148 (+2%) Land $2,138,956 Building $3,716,192 | |
| 2025 | $70,022.00 | $5,740,342 Land $2,097,016 Building $3,643,326 |
| 2023 | $66,662.00 (+1.62%) | $5,517,440 (+2%) Land $2,015,588 Building $3,501,852 |
| 2022 | $65,599.00 | $5,409,256 Land $1,976,067 Building $3,433,189 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 351 Sunset Dr in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1998.
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.
The area around 351 Sunset Dr has no burnable land within ember reach, so its wildfire risk is not rated.
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.
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