296 Grissom St, Hercules, CA 94547 Property Records

Contra Costa County property record for 296 Grissom St, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,598 sqft · built 1988
Lot Size	0.161 acres (7,000 sqft)
Owner	Trust Name on File
Tax Bill	$8,541 (2025)
Deeds & Mortgages	Feb 2022 Mortgage Aug 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`362-372-002`

Property Details

APN / Parcel Number

Primary APN	`362-372-002`
Alternative APN	`362-372-002-0`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,598 sqft Living Area
1st Floor Area	1,455 sqft
2nd Floor Area	1,143 sqft

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Lot Area	7,000 sqft (0.161 acres)
Garage Type	Attached
Garage Area	709 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	296 GRISSOM ST
City	HERCULES
State	CA
Zip	94547-1047
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6722 L37
Legal Subdivision	SUBDIVISION 6722
Legal Tract	6722
Legal Lot Number	37
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	BRIONES
Census Block Group	2
Census Block	2000
Census Tract	356002

Owner

296 Grissom St is owner-occupied and held in a trust since May 2021.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	Trust Name on File
Mailing Address	296 GRISSOM ST, HERCULES, CA 94547-1047
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Feb 9, 2022	Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK
Aug 11, 2021	Intrafamily Transfer, Transfer
Aug 11, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	May 12, 2021
Transfer Doc	0000223339
Record Updated	Sep 20, 2026

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	296 GRISSOM ST, HERCULES, CA 94547-1047
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	296 GRISSOM ST, HERCULES, CA 94547-1047

Mortgage

Document Number	0000025298
Date	Feb 9, 2022
Instrument	2022-025298

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	121 Months
Due	Mar 1, 2032

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 11, 2021
Property Address	296 GRISSOM ST, HERCULES, CA 94547-1047
Document Number	0000223340
Map Reference	MB 326 PG 9
Instrument Date	May 12, 2021
Instrument	2021-223340
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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	296 GRISSOM ST, HERCULES, CA 94547-1047
Investor	Possibly a Property Investor

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 11, 2021
Property Address	296 GRISSOM ST, HERCULES, CA 94547-1047
Document Number	0000223339
Map Reference	MB 326 PG 9
Instrument Date	May 12, 2021
Instrument	2021-223339
Transaction Type	Transfer
Record Updated	Nov 3, 2022

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	Community Property
Address	296 GRISSOM ST, HERCULES, CA 94547-1047
Investor	Possibly a Property Investor

Tax Assessment & Valuation

The 2025 property tax bill for 296 Grissom St was $8,541 with a homeowner's exemption.

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		$537,828 (+2%) Land $137,797 Building $400,031
2025	$8,541.00 Homeowner's exemption	$527,284 Land $135,096 Building $392,188
2023	$8,054.00 (+1.19%) Homeowner's exemption	$506,811 Land $129,851 Building $376,960
2022	$7,959.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 296 Grissom St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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 A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	7 (1993–2017)
Claims Outside the SFHA	2 of 7
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, And Mudslides

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

Wildfire risk around 296 Grissom St is high, ranking above 74% of the US, with a 0.5% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	High above 74% of the US · above 50% of California
Wildfire Likelihood	0.5% 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 216 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

May also be available: Unwired.

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