504 Athena, Apt 4, Hercules, CA 94547 Property Records

Contra Costa County property record for 504 Athena, Apt 4, Hercules, CA 94547

Property Summary

Property Type	Condominium
Details	2 bd · 2.5 ba · 1,180 sqft · built 1988
Lot Size	0.014 acres (615 sqft)
Owner	2 Company Names on Record
Last Sale	$440,000 (Aug 2006)
Tax Bill	$8,031 (2025)
Deeds & Mortgages	Oct 2026 Sale Oct 2026 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`404-150-004-4`

Property Details

APN / Parcel Number

Primary APN	`404-150-004-4`
Alternative APN	`404-150-004`

Interior

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

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Architectural Style	Condo/Apartment
Lot Area	615 sqft (0.014 acres)
Garage Type	Attached
Garage Area	410 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	504 ATHENA, 4
City	HERCULES
State	CA
Zip	94547-1945
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	PD
Legal Description	T06234 L B BG0039 U0004
Legal Subdivision	SUBDIVISION 6234
Legal Tract	6234
Legal Lot Number	B
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1012
Census Tract	359105

Owner

Source: Contra Costa County records, as of October 21, 2026

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

Owner of Record	2 Company Names on Record
Mailing Address	504 ATHENA, 4, HERCULES, CA 94547-1945
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Date	Document
Oct 9, 2026	Grant Deed, Transfer NONE LISTED ON DOCUMENT
Oct 9, 2026	Affidavit, Transfer
Jul 12, 2018	Deed of Trust, Mortgage · Line of Credit INOVA FCU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 1, 2006 · Amount on Record
Deed Sale	Aug 1, 2006 · Amount on Record
Prior Sale	Aug 17, 2004 · Amount on Record
Deed Document Number	2006242955
Last Transfer Date	Oct 2, 2026
Transfer Doc	0000109187
Record Updated	Oct 29, 2026

October 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 9, 2026
Property Address	504 ATHENA, 4, HERCULES, CA 94547-1945
Document Number	0000109188
Instrument Date	Oct 5, 2026
Instrument	2026109188
Transaction Type	Transfer
Record Updated	Oct 20, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Life Tenant
Address	504 ATHENA, 4, HERCULES, CA 94547-1945

October 2026: Affidavit, Transfer

Document Type	Affidavit
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 9, 2026
Property Address	504 ATHENA, 4, HERCULES, CA 94547-1945
Document Number	0000109187
Instrument Date	Oct 2, 2026
Instrument	2026109187
Transaction Type	Transfer
Record Updated	Oct 20, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	504 ATHENA, 4, HERCULES, CA 94547-1945

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	504 ATHENA APT 4, 4, HERCULES, CA 94547-1945
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000110578
Date	Jul 12, 2018
Instrument	2018-110578

Lender

Name	INOVA FCU
Type	Credit Union
Address	ELKHART, IN 46516

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	180 Months
Due	Jul 11, 2033

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Hercules City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$504,000 (-2.14%) Land $227,000 Building $277,000
2025	$8,031.00 (+8.18%) Homeowner's exemption	$515,000 (+8.19%) Land $231,750 Building $283,250
2023	$7,424.00 (+4.46%) Homeowner's exemption	$476,000 Land $214,199 Building $261,801
2022	$7,107.00

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 Zone	Zone X minimal risk
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

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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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