Contra Costa County property record for 280 Oneil Cir, Hercules, CA 94547 · Last verified July 2026
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,591 sqft · built 1987 |
| Lot Size | 0.062 acres (2,677 sqft) |
| Owner | Individual Name on File |
| Last Sale | $350,000 (Nov 2008) |
| Tax Bill | $7,365 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 404-351-055-3 |
| Primary APN | 404-351-055-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,591 sqft Living Area |
| 1st Floor Area | 858 sqft |
| 2nd Floor Area | 733 sqft |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Townhouse |
| Lot Area | 2,677 sqft (0.062 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 280 ONEIL CIR |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-3745 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | T6773 L55 |
| Legal Tract | 6773 |
| Legal Lot Number | 55 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2027 |
| Census Tract | 359105 |
Source: Contra Costa County records · APN 404-351-055-3
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 | Individual Name on File |
|---|---|
| Mailing Address | 280 ONEIL CIR, HERCULES, CA 94547-3745 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 10, 2008 · Amount on Record |
| Deed Sale | Nov 10, 2008 · Amount on Record |
| Prior Sale | May 12, 2008 · Amount on Record |
| Deed Document Number | 2008246189 |
| Prior Transfer Date | Mar 31, 1995 |
| Prior Transfer Doc | 0000062152 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Hercules City |
| Unified School District | West Contra Costa 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 | $459,582 (+2%) Land $177,315 Building $282,267 | |
| 2025 | $7,365.00 (+6.38%) | $450,572 (+4.04%) Land $173,839 Building $276,733 |
| 2023 | $6,923.00 (+1.15%) | $433,078 Land $167,090 Building $265,988 |
| 2022 | $6,844.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133591052, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Nearby Flood Policies | 5 in force |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 505 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Unwired, Sonic Telecom. Availability varies by address; speeds are provider-advertised maximums, not measured.
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