1027 Main St, Hercules, CA 94547 Property Records

Contra Costa County property record for 1027 Main St, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,321 sqft · built 2003
Lot Size	0.148 acres (6,448 sqft)
Owner	2 Individual Names on File
Last Sale	$440,000 (Feb 2012)
Tax Bill	$9,847 (2025)
Deeds & Mortgages	Dec 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`404-480-070-6`

Property Details

APN / Parcel Number

Primary APN	`404-480-070-6`
Alternative APN	`404-480-070`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	14 Rooms
Stories	2 Stories
Building Area	3,321 sqft Living Area
Gross Area	2,681 sqft
1st Floor Area	1,372 sqft
2nd Floor Area	1,309 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Lot Area	6,448 sqft (0.148 acres)
Garage Type	Attached
Garage Area	640 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1027 MAIN ST
City	HERCULES
State	CA
Zip	94547-2725
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8407 L70
Legal Subdivision	SUBDIVISION MAP 8407
Legal Tract	8407
Legal Lot Number	70
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1004
Census Tract	359105

Owner

Source: Contra Costa County records · APN 404-480-070-6

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	2 Individual Names on File
Mailing Address	1027 MAIN ST, HERCULES, CA 94547-2725
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Feb 08, 2012 · Amount on Record
Deed Sale	Feb 08, 2012 · Amount on Record
Prior Sale	Dec 19, 2003 · Amount on Record
Deed Document Number	201229375
Last Transfer Date	Dec 10, 2021
Transfer Doc	0000346314
Record Updated	Sep 20, 2026

December 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 27, 2021
Property Address	1027 MAIN ST, HERCULES, CA 94547-2725
Document Number	0000346314
Map Reference	MB 437 PG 31
Instrument Date	Dec 10, 2021
Instrument	2021-346314
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	NORTH AMERICAN TITLE COMPANY, NORTH AMERICAN TITLE CO INC

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	Joint Tenants
Address	1027 MAIN ST, HERCULES, CA 94547-2725

Mortgage

Document Number	0000346315
Date	Dec 27, 2021
Instrument	2021-346315

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 01, 2052

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		$563,705 (+2%) Land $153,734 Building $409,971
2025	$9,847.00 (+5.72%)	$552,653 (+4.04%) Land $150,720 Building $401,933
2023	$9,314.00 (+1.53%)	$531,194 Land $144,868 Building $386,326
2022	$9,174.00

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Low lower than 93% of the US · lower than 96% of California
Wildfire Likelihood	Under 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.

Historic Designation

Source: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026

Historic District	Within the Hercules Village listed 1980 · 40 contributing resources · NRIS 80000799

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

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.