3647 Mallard Way, Antioch, CA 94509 Property Records

Contra Costa County property record for 3647 Mallard Way, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.5 ba · 3,518 sqft · built 2010
Lot Size	0.173 acres (7,540 sqft)
Owner	2 Individual Names on File
Last Sale	$345,500 (Nov 2010)
Tax Bill	$5,360 (2025)
Deeds & Mortgages	Jan 2019 Transfer Jun 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`075-442-024-8`

Property Details

APN / Parcel Number

Primary APN	`075-442-024-8`
Alternative APN	`075-442-024`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,518 sqft Living Area
1st Floor Area	1,870 sqft
2nd Floor Area	1,648 sqft

Exterior

Year Built	Built 2010
Effective Year Built	Effective 2010
Lot Area	7,540 sqft (0.173 acres)
Garage Type	Attached
Garage Area	651 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	3647 MALLARD WAY
City	ANTIOCH
State	CA
Zip	94509-6470
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6921 L1250
Legal Subdivision	SUBDIVISION 6921
Legal Tract	6921
Legal Lot Number	1250
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	3
Census Block	3006
Census Tract	355107

Owner

3647 Mallard Way is owned and occupied by two individuals who acquired it in October 2024.

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

Owner of Record	2 Individual Names on File
Mailing Address	3647 MALLARD WAY, ANTIOCH, CA 94509-6470
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
Jan 3, 2019	Quit Claim Deed, Transfer Quitclaim
Jun 28, 2017	Intrafamily Transfer, Transfer · Conventional Mortgage HOME MORTGAGE ALLIANCE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 4, 2010 · Amount on File
Deed Sale	Nov 4, 2010 · Amount on File
Deed Document Number	2010246946
Last Transfer Date	Oct 14, 2024
Transfer Doc	0000107638
Record Updated	Sep 20, 2026

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 3, 2019
Property Address	3647 MALLARD WAY, ANTIOCH, CA 94509-6470
Document Number	0000000941
Instrument Date	Nov 8, 2018
Instrument	941
Transaction Type	Transfer
Record Updated	Jan 14, 2019

Transaction

Tax	$0.00
Additional	Quitclaim Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3562 MALLARD WAY ANTIOCH CA 945096467, ANTIOCH, CA 94509-6467

June 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 28, 2017
Property Address	3647 MALLARD WAY, ANTIOCH, CA 94509-6470
Document Number	0000115551
Map Reference	MAP327 PG27
Instrument Date	Jun 19, 2017
Instrument	2017-115551
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	TITLE 365 GLENDALE

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
Relationship	Community Property
Address	3647 MALLARD WAY, ANTIOCH, CA 94509-6470

Mortgage

Document Number	0000115552
Date	Jun 28, 2017
Instrument	2017-115552

Lender

Name	HOME MORTGAGE ALLIANCE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 3647 Mallard Way was $5,360 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	Antioch City
Unified School District	Antioch Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$451,094 (+2%) Land $52,264 Building $398,830
2025	$5,360.00 Homeowner's exemption	$442,250 Land $51,240 Building $391,010
2023	$5,050.00 (+1.53%) Homeowner's exemption	$425,079 Land $49,251 Building $375,828
2022	$4,974.00

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

Flood

FEMA maps place 3647 Mallard Way in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Wildfire risk around 3647 Mallard Way is high, ranking above 77% of the US, with a 0.4% annual chance of wildfire.

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

Wildfire Risk	High above 77% of the US · above 53% of California
Wildfire Likelihood	0.4% 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 474 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

May also be available: AT&T, Verizon.

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