5131 Dumas Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 5131 Dumas Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,477 sqft · built 2002
Lot Size	0.276 acres (12,000 sqft)
Owner	2 Individual Names on File
Last Sale	$908,000 (Jul 2023)
Tax Bill	$8,674 (2025)
Deeds & Mortgages	Jun 2026 Mortgage Jul 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`075-570-014-3`

Property Details

APN / Parcel Number

Primary APN	`075-570-014-3`
Alternative APN	`075-570-014`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	1 Story
Building Area	3,477 sqft Living Area
1st Floor Area	3,477 sqft

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2003
Lot Area	12,000 sqft (0.276 acres)
Garage Type	Attached
Garage Area	616 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	5131 DUMAS CT
City	ANTIOCH
State	CA
Zip	94531-8572
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A-2
Legal Description	T8319 L388
Legal Subdivision	BLACK DIAMOND ESTATES SUB 8319
Legal Tract	8319
Legal Lot Number	388
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	2
Census Block	2005
Census Tract	355118

Owner

5131 Dumas Ct is owned and occupied by two individuals who bought it in July 2023.

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

Owner of Record	2 Individual Names on File
Mailing Address	5131 DUMAS CT, ANTIOCH, CA 94531-8572
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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
Jun 29, 2026	Deed of Trust, Mortgage · VA Mortgage MORTGAGE CENTER LLC
Jul 20, 2023	Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 20, 2023 · Amount on File
Deed Sale	Jul 20, 2023 · Amount on File
Prior Sale	Jan 15, 2003 · Amount on File
Deed Document Number	202369100
Prior Transfer Date	Jul 14, 2023
Prior Transfer Doc	0000069099
Record Updated	Sep 20, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 29, 2026
Property Address	5131 DUMAS CT, ANTIOCH, CA 94531-8572
Document Number	0000068082
Instrument Date	Nov 21, 2025
Instrument	202668082
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	COAST TITLE, ORANGE COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5131 DUMAS CT, ANTIOCH, CA 94531-8572

Mortgage

Document Number	0000068082,
Date	Jun 29, 2026
Instrument	202668082

Lender

Name	MORTGAGE CENTER LLC

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2055

Interest

Rate	6.19%
Max Rate	-1%

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 20, 2023
Property Address	5131 DUMAS CT, ANTIOCH, CA 94531-8572
Document Number	0000069100
Map Reference	MB 431 PG 1-6
Instrument Date	Jul 18, 2023
Instrument	2023-069100
Transaction Type	Transfer
Record Updated	Jul 31, 2023
Title Company	TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO

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

Mortgage

Document Number	0000069101
Date	Jul 20, 2023
Instrument	2023-069101

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2053

Tax Assessment & Valuation

The 2025 property tax bill for 5131 Dumas Ct was $8,674 with a veteran's exemption.

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		$944,683 (+2%) Land $187,272 Building $757,411
2025	$8,674.00 Disabled Person's exemption Veteran's exemption	$926,160 Land $183,600 Building $742,560
2023	$8,734.00 (+1.64%) Homeowner's exemption	$781,225 Land $146,159 Building $635,066
2022	$8,593.00

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

Flood

FEMA maps place 5131 Dumas Ct in Zone X, an area of minimal flood risk.

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 Policies	1 in force

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 5131 Dumas Ct is moderate, ranking above 69% 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 69% of the US · above 44% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within 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 260 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20

May also be available: Unwired, Verizon.

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