Contra Costa County property record for 512 Athena, Apt 7, Hercules, CA 94547
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,180 sqft · built 1988 |
| Lot Size | 0.013 acres (568 sqft) |
| Owner | Individual Name on File |
| Last Sale | $261,500 (Oct 2003) |
| Tax Bill | $6,493 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 404-150-035-8 |
| Primary APN | 404-150-035-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,180 sqft Living Area |
| 1st Floor Area | 576 sqft |
| 2nd Floor Area | 604 sqft |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Condo/Apartment |
| Lot Area | 568 sqft (0.013 acres) |
| Garage Type | Attached |
| Garage Area | 410 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 512 ATHENA, 7 |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-1949 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | PD |
| Legal Description | T06234 L B BG0043 U0007 |
| Legal Subdivision | OLYMPIAN HILLS |
| Legal Tract | 6234 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 359105 |
512 Athena, Apt 7 is owned and occupied by an individual who bought it in October 2003.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 512 ATHENA, 7, HERCULES, CA 94547-1949 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Oct 7, 2003 · Amount on File |
| Deed Sale | Oct 7, 2003 · Amount on File |
| Prior Sale | Dec 5, 1994 · Amount on File |
| Deed Document Number | 2003501423 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 512 Athena, Apt 7 was $6,493 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 | Hercules City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $403,141 (+2%) Land $124,708 Building $278,433 | |
| 2025 | $6,493.00 Homeowner's exemption | $395,237 Land $122,263 Building $272,974 |
| 2023 | $6,194.00 (+1.14%) Homeowner's exemption | $379,891 Land $117,516 Building $262,375 |
| 2022 | $6,124.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 512 Athena, Apt 7 in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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.
Wildfire risk around 512 Athena, Apt 7 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 672 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile, Unwired.
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