3105 Brook Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 3105 Brook Ct, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,241 sqft · built 1975
Lot Size	0.142 acres (6,200 sqft)
Owner	Individual Name on Record
Last Sale	$600,000 (Jun 2022)
Tax Bill	$6,736 (2025)
Deeds & Mortgages	Jun 2022 Sale & Mortgage Jan 2020 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`071-341-019-9`

Property Details

APN / Parcel Number

Primary APN	`071-341-019-9`
Alternative APN	`071-341-019`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,241 sqft Living Area
1st Floor Area	1,241 sqft

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1980
Lot Area	6,200 sqft (0.142 acres)
Garage Type	Attached
Garage Area	462 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	3105 BROOK CT
City	ANTIOCH
State	CA
Zip	94509-5915
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T04304 L0627 B EX MR
Legal Subdivision	SUBDIVISION 4304
Legal Tract	04304
Legal Lot Number	627
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	3
Census Block	3001
Census Tract	307101

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	3105 BROOK CT, ANTIOCH, CA 94509-5915
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 16, 2022	Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Jan 13, 2020	Grant Deed, Transfer · Conventional Mortgage SUMMIT FUNDING INC
Jan 13, 2020	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Oct 26, 2017	Deed of Trust, Mortgage · Conventional Mortgage REFI.COM

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 16, 2022 · Amount on Record
Deed Sale	Jun 16, 2022 · Amount on Record
Prior Sale	Jan 13, 2020 · Amount on Record
Deed Document Number	202299837
Prior Transfer Date	Jan 9, 2020
Prior Transfer Doc	0000006651
Record Updated	Oct 29, 2026

June 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 16, 2022
Property Address	3105 BROOK CT, ANTIOCH, CA 94509-5915
Document Number	0000099837
Map Reference	MB 167 PG 1
Instrument Date	Jun 13, 2022
Instrument	2022-099837
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
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
Address	3105 BROOK CT, ANTIOCH, CA 94509-5915

Mortgage

Document Number	0000099838
Date	Jun 16, 2022
Instrument	2022-099838

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2052

January 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 13, 2020
Property Address	3105 BROOK CT, ANTIOCH, CA 94509-5915
Document Number	0000006652
Map Reference	MB 167 PG 1
Instrument Date	Jan 9, 2020
Instrument	2020-006652
Transaction Type	Transfer
Record Updated	Jul 27, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
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
Address	3105 BROOK CT, ANTIOCH, CA 94509-5915

Mortgage

Document Number	0000006653
Date	Jan 13, 2020
Instrument	2020-006653

Lender

Name	SUMMIT FUNDING INC
Type	Mortgage Company

Agreement

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

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 13, 2020
Property Address	3105 BROOK CT, ANTIOCH, CA 94509-5915
Document Number	0000006651
Instrument Date	Jan 9, 2020
Instrument	6651
Transaction Type	Transfer
Record Updated	Jan 24, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	3105 BROOK CT ANTIOCH CA 945095915, ANTIOCH, CA 94509-5915

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3105 BROOK CT, ANTIOCH, CA 94509-5915
Document Number	0000206976
Instrument Date	Oct 26, 2017
Transaction Type	Mortgage
Record Updated	Nov 7, 2017
Title Company	TIMIOS INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	3105 BROOK CT ANTIOCH CA 945095915, ANTIOCH, CA 94509-5915

Mortgage

Document Number	0000206976
Date	Nov 2, 2017
Instrument	206976

Lender

Name	REFI.COM
Address	IRVINE, CA 92618

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2047

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		$540,000 (-2%) Land $234,001 Building $305,999
2025	$6,736.00 (-0.27%)	$551,000 (-1.61%) Land $238,767 Building $312,233
2023	$6,754.00 (+23.63%)	$560,000 Land $243,000 Building $317,000
2022	$5,463.00

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

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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 582 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: AT&T.

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