218 Grissom St, Hercules, CA 94547 Property Records

Contra Costa County property record for 218 Grissom St, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,598 sqft · built 1989
Lot Size	0.165 acres (7,200 sqft)
Owner	Individual Name on Record
Tax Bill	$7,547 (2025)
Deeds & Mortgages	Jan 2020 Mortgage Apr 2021 Transfer + 4 more
Flood Zone	Zone X (minimal risk)
APN	`362-371-009-6`

Property Details

APN / Parcel Number

Primary APN	`362-371-009-6`
Alternative APN	`362-371-009`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 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 1989
Effective Year Built	Effective 1989
Lot Area	7,200 sqft (0.165 acres)
Garage Type	Attached
Garage Area	709 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	218 GRISSOM ST
City	HERCULES
State	CA
Zip	94547-1047
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6722 L48
Legal Subdivision	SUBDIVISION 6722
Legal Tract	6722
Legal Lot Number	48
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	BRIONES
Census Block Group	2
Census Block	2001
Census Tract	356002

Owner

Source: Contra Costa County records, as of July 14, 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	218 GRISSOM ST, HERCULES, CA 94547-1047
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 8, 2020	Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK
Apr 29, 2021	Intrafamily Transfer, Transfer
Apr 29, 2021	Intrafamily Transfer, Transfer
Apr 29, 2021	Intrafamily Transfer, Transfer
Apr 29, 2021	Intrafamily Transfer, Transfer
Oct 18, 2019	Affidavit of Death, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Apr 12, 2021
Transfer Doc	0000129966
Record Updated	Oct 29, 2026

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	218 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

Mortgage

Document Number	0000003227
Date	Jan 8, 2020
Instrument	2020-003227

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2050

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 29, 2021
Property Address	218 GRISSOM ST, HERCULES, CA 94547-1047
Document Number	0000129968
Map Reference	MB 326 PG 9
Instrument Date	Apr 12, 2021
Instrument	2021-129968
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
Address	218 GRISSOM STREET #410 # 410, 410, BERKELEY, CA 94704

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 29, 2021
Property Address	218 GRISSOM ST, HERCULES, CA 94547-1047
Document Number	0000129969
Map Reference	MB 326 PG 9
Instrument Date	Apr 12, 2021
Instrument	2021-129969
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
Address	2140 SHATTUCK AVE STE 410, 410, BERKELEY, CA 94704-1214

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 29, 2021
Property Address	218 GRISSOM ST, HERCULES, CA 94547-1047
Document Number	0000129967
Map Reference	MB 326 PG 9
Instrument Date	Apr 12, 2021
Instrument	2021-129967
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
Address	218 GRISSOM ST, HERCULES, CA 94547-1047

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 29, 2021
Property Address	218 GRISSOM ST, HERCULES, CA 94547-1047
Document Number	0000129966
Map Reference	MB 326 PG 9
Instrument Date	Apr 12, 2021
Instrument	2021-129966
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
Address	218 GRISSOM ST, HERCULES, CA 94547-1047

October 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 18, 2019
Property Address	218 GRISSOM ST, HERCULES, CA 94547-1047
Document Number	0000178107
Instrument Date	Oct 4, 2019
Instrument	178107
Transaction Type	Transfer
Record Updated	Nov 1, 2019
Title Company	NOT AVAILABLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	218 GRISSOM ST HERCULES CA 945471047, HERCULES, CA 94547-1047

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		$451,695 (+2%) Land $114,828 Building $336,867
2025	$7,547.00 (+6.24%)	$442,839 (+4.04%) Land $112,577 Building $330,262
2023	$7,104.00 (+1.18%)	$425,645 Land $108,206 Building $317,439
2022	$7,021.00

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 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

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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