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512 Athena, Apt 3, Hercules, CA 94547 Property Records

Contra Costa County property record for 512 Athena, Apt 3, Hercules, CA 94547

Property Summary

Property TypeCondominium
Details2 bd · 2 ba · 1,115 sqft · built 1988
Lot Size0.018 acres (762 sqft)
Owner2 Company Names on Record
Last Sale$103,000 (Jul 1996)
Tax Bill$3,486 (2025)
Deeds & MortgagesJan 2023 Transfer
Flood ZoneZone X (minimal risk)
APN404-150-031-7

Property Details

APN / Parcel Number

Primary APN404-150-031-7
Alternative APN
  • 404-150-031

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,115 sqft Living Area
1st Floor Area1,031 sqft
Basement Area84 sqft

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Architectural StyleCondo/Apartment
Lot Area762 sqft (0.018 acres)
Garage TypeAttached
Garage Area410 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address512 ATHENA, 3
CityHERCULES
StateCA
Zip94547-1949
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Local Zoning CodePD
Legal DescriptionT06234 L B BG0043 U0003
Legal SubdivisionSUBDIVISION 6234
Legal Tract6234
Legal Lot NumberB
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group1
Census Block1012
Census Tract359105

Owner

Source: Contra Costa County records, as of July 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on Record
Mailing Address512 ATHENA, 3, HERCULES, CA 94547-1949
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 12, 1996 · Amount on Record
Deed SaleJul 12, 1996 · Amount on Record
Deed Document Number1996130397
Last Transfer DateJan 12, 2023
Transfer Doc0000004429
Record UpdatedSep 20, 2026

January 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJan 18, 2023
Property Address512 ATHENA APT 3, 3, HERCULES, CA 94547-1949
Document Number0000004429
Map ReferenceMB 270 PG 47
Instrument DateJan 12, 2023
Instrument2023-004429
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address512 ATHENA APT 3, 3, HERCULES, CA 94547-1949

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityHercules City
Unified School DistrictWest Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$171,081 (+2%) Land $59,791 Building $111,290
2025$3,486.00 (+5.32%) Homeowner's exemption$167,727 (+4.04%) Land $58,619 Building $109,108
2023$3,310.00 (+1.25%) Homeowner's exemption$161,216 Land $56,344 Building $104,872
2022$3,269.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 672 locations within half a mile, as of December 31, 2025

ProviderMax 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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