103 Bay St, Hercules, CA 94547 Property Records

Contra Costa County property record for 103 Bay St, Hercules, CA 94547 · Last verified August 2026

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,468 sqft · built 1900
Lot Size	0.132 acres (5,742 sqft)
Owner	Company Name on File
Last Sale	$607,000 (Oct 2019)
Tax Bill	$10,208 (2025)
Deeds & Mortgages	Apr 2022 Mortgage Oct 2019 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`404-170-014-9`

Property Details

APN / Parcel Number

Primary APN	`404-170-014-9`
Alternative APN	`404-170-014`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,468 sqft Living Area
1st Floor Area	896 sqft
2nd Floor Area	572 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1985
Exterior Material	Wood Siding
Roof Material	Composition Shingle
Lot Area	5,742 sqft (0.132 acres)
Lot Dimensions	102 ft deep x 55 ft wide
View / Lot	Bayou
Garage Type	Detached
Garage Area	299 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	103 BAY ST
City	HERCULES
State	CA
Zip	94547-3718
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T06102 L0014 B
Legal Subdivision	SUBDIVISION 6102
Legal Tract	06102
Legal Lot Number	14
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1000
Census Tract	359105

Owner

Source: Contra Costa County records · APN 404-170-014-9

Assessment roll updated July 14, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	103 BAY ST, HERCULES, CA 94547-3718
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 06, 2022	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Oct 18, 2019	Grant Deed, Transfer · Conventional Mortgage QUICKEN LNS
Jul 25, 2018	Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 18, 2019 · Amount on Record
Deed Sale	Oct 18, 2019 · Amount on Record
Prior Sale	Feb 05, 2003 · Amount on Record
Deed Document Number	2019177894
Last Transfer Date	May 10, 2024
Transfer Doc	0000045636
Record Updated	Sep 20, 2026

April 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	103 BAY ST, HERCULES, CA 94547-3718
Transaction Type	Mortgage
Record Updated	Nov 03, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	103 BAY ST, HERCULES, CA 94547-3718

Mortgage

Document Number	0000060403
Date	Apr 06, 2022
Instrument	2022-060403

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	144 Months
Due	Apr 01, 2034

October 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 18, 2019
Property Address	103 BAY ST, HERCULES, CA 94547-3718
Document Number	0000177894
Instrument Date	Oct 15, 2019
Instrument	177894
Transaction Type	Transfer
Record Updated	Oct 28, 2019
Title Company	NORTH AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$667.70
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	103 BAY ST HERCULES CA 945473718, HERCULES, CA 94547-3718

Mortgage

Document Number	177895
Date	Oct 18, 2019
Instrument	177895

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Oct 17, 2034

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	103 BAY ST, HERCULES, CA 94547-3718
Document Number	0000161313
Instrument Date	Jul 25, 2018
Transaction Type	Mortgage
Record Updated	Oct 19, 2018
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	103 BAY ST HERCULES CA 945473718, HERCULES, CA 94547-3718

Mortgage

Document Number	0000161313
Date	Oct 10, 2018
Instrument	161313

Lender

Name	BANK OF THE WEST
Type	Bank
Address	OMAHA, NE 68154

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Oct 09, 2048

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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		$677,114 (+2%) Land $379,272 Building $297,842
2025	$10,208.00 (+5.82%) Homeowner's exemption	$663,838 (+4.04%) Land $371,836 Building $292,002
2023	$9,647.00 (+1.17%) Homeowner's exemption	$638,063 Land $357,399 Building $280,664
2022	$9,535.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133591051, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
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 · August 1, 2026 release · 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, availability as of December 31, 2025 · Published October 2026 · based on 505 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 250
Verizon	Fixed Wireless	300 / 20
AT&T	Fixed Wireless	100 / 20
T-Mobile USA	Fixed Wireless	100 / 20
AT&T	DSL	100 / 20

May also be available at this address: Unwired, Sonic Telecom. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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