103 Onyx Ct, Hercules, CA 94547 Property Records

Contra Costa County property record for 103 Onyx Ct, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,809 sqft · built 1997
Lot Size	0.193 acres (8,400 sqft)
Owner	2 Company Names on Record
Last Sale	$320,000 (Jan 1998)
Tax Bill	$8,848 (2025)
Deeds & Mortgages	Apr 2024 Transfer Apr 2021 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`407-113-002-7`

Property Details

APN / Parcel Number

Primary APN	`407-113-002-7`
Alternative APN	`407-113-002`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,809 sqft Living Area
1st Floor Area	1,462 sqft
2nd Floor Area	1,347 sqft

Exterior

Year Built	Built 1997
Effective Year Built	Effective 1997
Lot Area	8,400 sqft (0.193 acres)
Garage Type	Attached
Garage Area	703 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	103 ONYX CT
City	HERCULES
State	CA
Zip	94547-1761
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T06157 L0124 B
Legal Subdivision	SUBDIVISION 6157
Legal Tract	06157
Legal Lot Number	124
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	3
Census Block	3008
Census Tract	359204

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 Record	2 Company Names on Record
Mailing Address	813 READING WAY, VACAVILLE, CA 95687-4361
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Date	Document
Apr 25, 2024	Intrafamily Transfer, Transfer
Apr 16, 2021	Deed of Trust, Mortgage · Line of Credit FIGURE LENDING LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 20, 1998 · Amount on Record
Deed Sale	Jan 20, 1998 · Amount on Record
Deed Document Number	199810398
Last Transfer Date	Dec 27, 2024
Transfer Doc	0000000412
Record Updated	Sep 20, 2026

April 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 25, 2024
Property Address	103 ONYX CT, HERCULES, CA 94547-1761
Document Number	0000038919
Map Reference	MB 278 PG 30
Instrument Date	Apr 17, 2024
Instrument	2024-038919
Transaction Type	Transfer
Record Updated	May 7, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	813 READING WAY, VACAVILLE, CA 95687-4361

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	103 ONYX CT, HERCULES, CA 94547-1761
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	103 ONYX CT, HERCULES, CA 94547-1761

Mortgage

Document Number	0000114762
Date	Apr 16, 2021
Instrument	2021-114762

Lender

Name	FIGURE LENDING LLC
Type	Mortgage Company
Address	CHARLOTTE, NC 28277

Agreement

Type	Line of Credit
Amount	Amount Recorded

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		$554,804 (+2%) Land $148,320 Building $406,484
2025	$8,848.00 (+8.93%)	$543,926 (+7.76%) Land $145,412 Building $398,514
2023	$8,123.00 (+1.12%)	$504,769 Land $132,590 Building $372,179
2022	$8,033.00

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	Moderate above 45% of the US · lower than 73% of California
Wildfire Likelihood	0.09% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 244 locations within half a mile, as of December 31, 2025

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

May also be available: Unwired.

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