5437 Mazant Loop, Antioch, CA 94531 Property Records

Contra Costa County property record for 5437 Mazant Loop, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,627 sqft · built 2019
Lot Size	0.092 acres (4,018 sqft)
Owner	2 Company Names on Record
Last Sale	$572,500 (Dec 2019)
Tax Bill	$9,601 (2025)
Deeds & Mortgages	Dec 2019 Sale
Flood Zone	Zone X (minimal risk)
APN	`056-480-029`

Property Details

APN / Parcel Number

Primary APN	`056-480-029`
Alternative APN	`056-480-029-0`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,627 sqft Living Area
1st Floor Area	1,221 sqft
2nd Floor Area	1,406 sqft

Exterior

Year Built	Built 2019
Effective Year Built	Effective 2019
Lot Area	4,018 sqft (0.092 acres)
Garage Type	Attached
Garage Area	451 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	5437 MAZANT LOOP
City	ANTIOCH
State	CA
Zip	94531-8706
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9385 L29
Legal Subdivision	SUBDIVISION 9385
Legal Tract	9385
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	2
Census Block	2011
Census Tract	303207

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	2 Company Names on Record
Mailing Address	4523 MADOC WAY, SAN JOSE, CA 95130-2046
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 6, 2019 · Amount on Record
Deed Sale	Dec 6, 2019 · Amount on Record
Deed Document Number	2019219375
Record Updated	Sep 20, 2026

December 2019: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 6, 2019
Property Address	5437 MAZANT LOOP, ANTIOCH, CA 94531-8706
Document Number	0000219375
Instrument Date	Nov 12, 2019
Instrument	219375
Transaction Type	Subdivision Related Transfer
Record Updated	Dec 18, 2019
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$629.75
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	5437 MAZANT LOOP ANTIOCH CA 945318707, ANTIOCH, CA 94531-8707

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
Elementary School District	Brentwood Union Elementary School District (KG - 08)
Secondary School District	Liberty Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$638,070 (+2%) Land $167,325 Building $470,745
2025	$9,601.00 (+3.54%)	$625,560 (+4.04%) Land $164,045 Building $461,515
2023	$9,273.00 (+1.7%)	$601,271 Land $157,676 Building $443,595
2022	$9,118.00

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 Policies	2 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

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	0.02% 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 205 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
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20