142 Agate Way, Hercules, CA 94547 Property Records

Contra Costa County property record for 142 Agate Way, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,945 sqft · built 1989
Lot Size	0.145 acres (6,300 sqft)
Owner	2 Company Names on File
Tax Bill	$7,468 (2025)
Deeds & Mortgages	Aug 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`407-081-006-6`

Property Details

APN / Parcel Number

Primary APN	`407-081-006-6`
Alternative APN	`407-081-006`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	1,945 sqft Living Area
1st Floor Area	1,209 sqft
2nd Floor Area	736 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Architectural Style	Ranch
Exterior Material	Wood Siding
Roof Material	Tile
Lot Area	6,300 sqft (0.145 acres)
Lot Dimensions	100 ft deep x 63 ft wide
Garage Type	Attached
Garage Area	507 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	142 AGATE WAY
City	HERCULES
State	CA
Zip	94547-1747
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T06157 L0077 B
Legal Subdivision	SUBDIVISION 6157
Legal Tract	06157
Legal Lot Number	77
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	3
Census Block	3002
Census Tract	359204

Owner

Source: Contra Costa County assessment roll, APN 407-081-006-6, as of 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	2 Company Names on File
Mailing Address	142 AGATE WAY, HERCULES, CA 94547-1747
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	May 31, 2012
Deed Sale	May 31, 2012
Prior Sale	May 06, 2011 · Amount on Record
Deed Document Number	2012128351
Last Transfer Date	Aug 20, 2020
Transfer Doc	0000186051
Record Updated	Sep 20, 2026

August 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 28, 2020
Property Address	142 AGATE WAY, HERCULES, CA 94547-1747
Document Number	0000186051
Map Reference	MB 278 PG 30
Instrument Date	Aug 20, 2020
Instrument	2020-186051
Transaction Type	Transfer
Record Updated	Jul 27, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

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	Family Trust
Address	142 AGATE WAY, HERCULES, CA 94547-1747
Investor	Possibly a Property Investor

Mortgage

Document Number	0000186052
Date	Aug 28, 2020
Instrument	2020-186052

Lender

Name	CMG MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Sep 01, 2035

Tax Assessment & Valuation

Source: Contra Costa County assessment roll as of 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		$457,232 (+2%) Land $215,614 Building $241,618
2025	$7,468.00 (+6.31%) Homeowner's exemption	$448,268 (+4.04%) Land $211,387 Building $236,881
2023	$7,025.00 (+1.17%) Homeowner's exemption	$430,864 Land $203,180 Building $227,684
2022	$6,944.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133592043, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.03% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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, 403 locations within half a mile, 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 DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile USA, Unwired.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA0110005, 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.