206 Grissom St, Hercules, CA 94547 Property Records

Contra Costa County property record for 206 Grissom St, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,519 sqft · built 1989
Lot Size	0.161 acres (7,000 sqft)
Owner	2 Individual Names on File
Last Sale	$1,025,000 (Dec 2021)
Tax Bill	$14,029 (2025)
Deeds & Mortgages	Dec 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`362-371-011-2`

Property Details

APN / Parcel Number

Primary APN	`362-371-011-2`
Alternative APN	`362-371-011`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,519 sqft Living Area
1st Floor Area	1,416 sqft
2nd Floor Area	1,103 sqft

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Lot Area	7,000 sqft (0.161 acres)
Garage Type	Attached
Garage Area	708 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	206 GRISSOM ST
City	HERCULES
State	CA
Zip	94547-1047
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6722 L50
Legal Subdivision	SUBDIVISION 6722
Legal Tract	6722
Legal Lot Number	50
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	BRIONES
Census Block Group	2
Census Block	2001
Census Tract	356002

Owner

206 Grissom St is owned and occupied by two individuals who bought it in December 2021.

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

Owner of Record	2 Individual Names on File
Mailing Address	206 GRISSOM ST, HERCULES, CA 94547-1047
Occupancy	Owner Occupied
Owner Type	Individual

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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 6, 2021 · Amount on File
Deed Sale	Dec 6, 2021 · Amount on File
Deed Document Number	2021331876
Record Updated	Oct 29, 2026

December 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 6, 2021
Property Address	206 GRISSOM ST, HERCULES, CA 94547-1047
Document Number	0000331876
Map Reference	MB 326 PG 9
Instrument Date	Nov 23, 2021
Instrument	2021-331876
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	206 GRISSOM ST, HERCULES, CA 94547-1047

Mortgage

Document Number	0000331877
Date	Dec 6, 2021
Instrument	2021-331877

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 206 Grissom St was $14,029 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		$955,000 (-) Land $465,854 Building $489,146
2025	$14,029.00 Homeowner's exemption	$955,000 Land $465,854 Building $489,146
2023	$13,785.00 (-6.73%) Homeowner's exemption	$955,000 Land $466,000 Building $489,000
2022	$14,779.00

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

Flood

FEMA maps place 206 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 206 Grissom St is moderate, ranking above 64% of the US, with a 0.3% annual chance of wildfire.

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

Wildfire Risk	Moderate above 64% of the US · lower than 61% of California
Wildfire Likelihood	0.3% 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 245 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20