2475 Grimsby Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 2475 Grimsby Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,624 sqft · built 1980
Lot Size	0.201 acres (8,760 sqft)
Owner	Individual Name on Record
Last Sale	$415,000 (Sep 2013)
Tax Bill	$6,261 (2025)
Deeds & Mortgages	Feb 2026 Transfer Feb 2026 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`075-324-001-9`

Property Details

APN / Parcel Number

Primary APN	`075-324-001-9`
Alternative APN	`075-324-001`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,624 sqft Living Area
1st Floor Area	1,762 sqft
2nd Floor Area	862 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Wood
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	8,760 sqft (0.201 acres)
Garage Type	Attached
Garage Area	473 sqft
Parking Spaces	2 Parking Spaces

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	2475 GRIMSBY DR
City	ANTIOCH
State	CA
Zip	94509-5867
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T05372 L0523 B EX 1/2 MR
Legal Subdivision	SUBDIVISION 5372
Legal Tract	05372
Legal Lot Number	523
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1009
Census Tract	355107

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	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Widow or Widower

Deeds, Mortgages & Sale History

Date	Document
Feb 18, 2026	Affidavit of Death of Joint Tenant, Transfer
Feb 18, 2026	Intrafamily Transfer, Transfer
Sep 27, 2017	Deed of Trust, Mortgage · Conventional Mortgage CATALYST MORTGAGE
Apr 20, 2020	Deed of Trust, Mortgage · Conventional Mortgage CATALYST MORTGAGE
Mar 16, 2021	Deed of Trust, Mortgage · Conventional Mortgage CATALYST MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 6, 2013 · Amount on Record
Deed Sale	Sep 6, 2013 · Amount on Record
Prior Sale	Jun 17, 2004 · Amount on Record
Deed Document Number	2013219585
Prior Transfer Date	Jun 30, 2005
Prior Transfer Doc	0000255477
Record Updated	Oct 29, 2026

February 2026: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 18, 2026
Property Address	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867
Document Number	0000016234
Map Reference	MB 235 PG 1
Instrument Date	Feb 18, 2026
Instrument	2026- 016234
Transaction Type	Transfer
Record Updated	Feb 27, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867

February 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 18, 2026
Property Address	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867
Document Number	0000016235
Map Reference	MB 235 PG 1
Instrument Date	Feb 18, 2026
Instrument	2026- 016235
Transaction Type	Transfer
Record Updated	Feb 27, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000176993
Date	Sep 27, 2017
Instrument	2017-176993

Lender

Name	CATALYST MORTGAGE
Type	Mortgage Company
Address	SACRAMENTO, CA 95815

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2047

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000074822
Date	Apr 20, 2020
Instrument	2020-074822

Lender

Name	CATALYST MORTGAGE
Type	Mortgage Company
Address	ROSEVILLE, CA 95661

Agreement

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

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2475 GRIMSBY DR, ANTIOCH, CA 94509-5867

Mortgage

Document Number	0000079263
Date	Mar 16, 2021
Instrument	2021-079263

Lender

Name	CATALYST MORTGAGE
Type	Mortgage Company
Address	ROSEVILLE, CA 95661

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

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	Antioch City
Unified School District	Antioch Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$518,895 (+2%) Land $112,529 Building $406,366
2025	$6,261.00 (+5.05%)	$508,722 (+4.04%) Land $110,323 Building $398,399
2023	$5,960.00 (+1.6%)	$488,970 Land $106,040 Building $382,930
2022	$5,866.00

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1983)
Most Recent Claim	Feb 1983 · Coastal Storms, Floods, Slides & Tornadoes

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 77% of the US · above 54% 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	CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001
Water Source	Surface water
Last State Inspection	Jan 2024
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 74 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250

May also be available: Verizon.

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