Contra Costa County property record for 1105 Buchanan Rd, Antioch, CA 94509
| Property Type | Commercial Office |
|---|---|
| Details | 4,396 sqft · built 1977 |
| Lot Size | 0.516 acres (22,476 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $7,409 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 076-192-023 |
| Primary APN | 076-192-023 |
|---|---|
| Alternative APNs |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 4,396 sqft Gross Area |
| 1st Floor Area | 4,396 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1979 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Wood Shingle |
| Lot Area | 22,476 sqft (0.516 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 1105 BUCHANAN RD |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4212 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | C-O |
| Legal Description | TRACT 3668 POR LOT 58 EX MR |
| Legal Subdivision | GENTRYTOWN UNIT #1 |
| Legal Tract | 3668 |
| Legal Lot Number | 58 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 307204 |
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 | 22500 MONTE VISTA DR, TOPANGA, CA 90290-3842 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Sep 12, 2013 |
| Transfer Doc | 0000230391 |
| Record Updated | Sep 20, 2026 |
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 | $590,953 (+2%) Land $209,022 Building $381,931 | |
| 2025 | $7,409.00 (-12.34%) | $579,367 (+4.04%) Land $204,924 Building $374,443 |
| 2023 | $8,452.00 (+24.61%) | $556,870 Land $196,967 Building $359,903 |
| 2022 | $6,783.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 561 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
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