328 Oneil Cir, Hercules, CA 94547 Property Records

Contra Costa County property record for 328 Oneil Cir, Hercules, CA 94547

Property Summary

Property TypeTownhouse
Details4 bd · 3 ba · 1,538 sqft · built 1988
Lot Size0.061 acres (2,640 sqft)
OwnerIndividual Name on Record
Last Sale$436,500 (Aug 2004)
Tax Bill$9,413 (2025)
Deeds & MortgagesApr 2024 Line of Credit
Aug 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN404-351-076-9

Property Details

APN / Parcel Number

Primary APN404-351-076-9
Alternative APN
  • 404-351-076

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area1,538 sqft Living Area
1st Floor Area871 sqft
2nd Floor Area667 sqft

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Architectural StyleTownhouse
Lot Area2,640 sqft (0.061 acres)
Garage TypeAttached
Garage Area403 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address328 ONEIL CIR
CityHERCULES
StateCA
Zip94547-3747
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionT6773 L76
Legal SubdivisionSUBDIVISION 6773
Legal Tract6773
Legal Lot Number76
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group2
Census Block2027
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 RecordIndividual Name on Record
Mailing Address328 ONEIL CIR, HERCULES, CA 94547-3747
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Person

Deeds, Mortgages & Sale History

DateDocument
Apr 8, 2024Deed of Trust, Mortgage · Line of Credit
BOEING EMPLOYEES CU
Aug 6, 2021Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT COM LLC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 11, 2004 · Amount on Record
Deed SaleAug 11, 2004 · Amount on Record
Prior SaleJul 31, 2002 · Amount on Record
Deed Document Number2004309315
Prior Transfer DateAug 3, 2004
Prior Transfer Doc0000309314
Record UpdatedSep 20, 2026

April 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address328 ONEIL CIR, HERCULES, CA 94547-3747
Transaction TypeMortgage
Record UpdatedApr 17, 2024

Transferred To (Grantee/Buyer)

NameVerified Name
Address328 ONEIL CIR, HERCULES, CA 94547-3747

Mortgage

Document Number0000031830
DateApr 8, 2024
Instrument2024-031830
Lender
NameBOEING EMPLOYEES CU
TypeCredit Union
Address98214
Agreement
TypeLine of Credit
AmountAmount Recorded
Term300 Months
DueApr 1, 2049
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address328 ONEIL CIR, HERCULES, CA 94547-3747
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyLENNAR TITLE INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address328 ONEIL CIR, HERCULES, CA 94547-3747

Mortgage

Document Number0000220401
DateAug 6, 2021
Instrument2021-220401
Lender
NameLOANDEPOT COM LLC
TypeMortgage Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2051

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$620,587 (+2%) Land $341,218 Building $279,369
2025$9,413.00 (+5.93%) Homeowner's exemption$608,420 (+4.04%) Land $334,528 Building $273,892
2023$8,886.00 (+1.14%) Homeowner's exemption$584,796 Land $321,539 Building $263,257
2022$8,786.00

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 Policies5 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 505 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
AT&T
Fixed Wireless · DSL
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Sonic Telecom, Unwired.

Nearby Properties on Oneil Cir

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