190 Oneil Cir, Hercules, CA 94547 Property Records

Contra Costa County property record for 190 Oneil Cir, Hercules, CA 94547

Property Summary

Property Type	Townhouse
Details	4 bd · 3 ba · 1,538 sqft · built 1988
Lot Size	0.06 acres (2,600 sqft)
Owner	Individual Name on File
Last Sale	$422,000 (Apr 2005)
Tax Bill	$10,479 (2025)
Deeds & Mortgages	Nov 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`404-351-022-3`

Property Details

APN / Parcel Number

Primary APN	`404-351-022-3`
Alternative APN	`404-351-022`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,538 sqft Living Area
1st Floor Area	871 sqft
2nd Floor Area	667 sqft

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Architectural Style	Townhouse
Lot Area	2,600 sqft (0.06 acres)
Garage Type	Attached
Garage Area	403 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	190 ONEIL CIR
City	HERCULES
State	CA
Zip	94547-3743
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	T6773 L22
Legal Subdivision	CHELSEA BY THE BAY
Legal Tract	6773
Legal Lot Number	22
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	2
Census Block	2026
Census Tract	359105

Owner

Source: Contra Costa County records · APN 404-351-022-3

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	PO BOX 5134, HERCULES, CA 94547-5134
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 27, 2005 · Amount on Record
Deed Sale	Apr 27, 2005 · Amount on Record
Prior Sale	May 09, 2003 · Amount on Record
Deed Document Number	2005147496
Prior Transfer Date	Dec 13, 1996
Prior Transfer Doc	0000240132
Record Updated	Sep 20, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	190 ONEIL CIR, HERCULES, CA 94547-3743
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	SOLIDIFI TITLE & CLOSING

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 5134, HERCULES, CA 94547-5134

Mortgage

Document Number	0000271188
Date	Nov 12, 2020
Instrument	2020-271188

Lender

Name	STRONG HOME MORTGAGE LLC
Type	Mortgage Company
Address	MANASSAS, VA 20110

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 01, 2050

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$705,188 (+2%) Land $355,438 Building $349,750
2025	$10,479.00 (+5.78%) Homeowner's exemption	$691,362 (+4.04%) Land $348,469 Building $342,893
2023	$9,906.00 (+1.11%) Homeowner's exemption	$664,518 Land $334,939 Building $329,579
2022	$9,797.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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	5 in force

Wildfire

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 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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: Sonic Telecom, Unwired.

Based on FCC filings for 505 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	EAST BAY MUD serves 1,468,000 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.