112 Bay St, Hercules, CA 94547 Property Records

Contra Costa County property record for 112 Bay St, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,570 sqft · built 1900
Lot Size	0.131 acres (5,720 sqft)
Owner	Individual Name on Record
Last Sale	$708,000 (Dec 2025)
Tax Bill	$7,084 (2025)
Deeds & Mortgages	Dec 2023 Mortgage Dec 2025 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`404-170-011-5`

Property Details

APN / Parcel Number

Primary APN	`404-170-011-5`
Alternative APN	`404-170-011`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,570 sqft Living Area
1st Floor Area	1,064 sqft
2nd Floor Area	506 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1985
Lot Area	5,720 sqft (0.131 acres)
Garage Type	Attached
Garage Area	299 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	112 BAY ST
City	HERCULES
State	CA
Zip	94547-3717
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	H
Legal Description	T06102 L0011 B
Legal Subdivision	SUBDIVISION 6102
Legal Tract	06102
Legal Lot Number	11
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1001
Census Tract	359105

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 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.

Owner

Source: Contra Costa County records, as of October 19, 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 Record
Mailing Address	112 BAY ST, HERCULES, CA 94547-3717
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried Woman

Deeds, Mortgages & Sale History

Date	Document
Dec 1, 2023	Deed of Trust, Mortgage · FHA Mortgage UNITED WHOLESALE MORTGAGE
Dec 23, 2025	Grant Deed, Transfer · Conventional Mortgage MASON MCDUFFIE MORTGAGE CORP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 23, 2025 · Amount on Record
Deed Sale	Dec 23, 2025 · Amount on Record
Deed Document Number	2025143127
Prior Transfer Date	Jan 14, 2003
Prior Transfer Doc	0000033316
Record Updated	Oct 29, 2026

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	112 BAY ST, HERCULES, CA 94547-3717
Transaction Type	Mortgage
Record Updated	Jan 1, 2026
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	112 BAY ST, HERCULES, CA 94547-3717

Mortgage

Document Number	0000127950
Date	Dec 1, 2023
Instrument	2023-127950

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2054

December 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 23, 2025
Property Address	112 BAY ST, HERCULES, CA 94547-3717
Document Number	0000143127
Map Reference	MB 257 PG 32
Instrument Date	Dec 17, 2025
Instrument	2025- 143127
Transaction Type	Transfer
Record Updated	Jan 1, 2026
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	112 BAY ST, HERCULES, CA 94547-3717

Mortgage

Document Number	0000143128
Date	Dec 23, 2025
Instrument	2025- 143128

Lender

Name	MASON MCDUFFIE MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2056

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		$708,000 (+85.16%) Land $338,000 Building $370,000
2025	$7,084.00 (+12.78%)	$382,380 (+4.04%) Land $118,971 Building $263,409
2023	$6,281.00 (+1.22%)	$367,534 Land $114,352 Building $253,182
2022	$6,205.00

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
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	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 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 505 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
AT&T Fixed Wireless · DSL	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Sonic Telecom, Unwired.

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