4015 Steffa St, Antioch, CA 94509 Property Records

Contra Costa County property record for 4015 Steffa St, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 4,334 sqft · built 2013
Lot Size	0.282 acres (12,303 sqft)
Owner	2 Individual Names on Record
Last Sale	$618,000 (Feb 2014)
Tax Bill	$10,855 (2025)
Deeds & Mortgages	Dec 2023 Mortgage Oct 2023 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`089-600-021-3`

Property Details

APN / Parcel Number

Primary APN	`089-600-021-3`
Alternative APN	`089-600-021`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	4,334 sqft Living Area
1st Floor Area	1,892 sqft
2nd Floor Area	2,442 sqft

Exterior

Year Built	Built 2013
Effective Year Built	Effective 2014
Lot Area	12,303 sqft (0.282 acres)
Garage Type	Attached
Garage Area	688 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4015 STEFFA ST
City	ANTIOCH
State	CA
Zip	94509-4374
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8586 L238
Legal Subdivision	BLACK DIAMOND RANCH 8586
Legal Tract	8586
Legal Lot Number	238
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2009
Census Tract	313106

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 Individual Names on Record
Mailing Address	4015 STEFFA ST, ANTIOCH, CA 94509-4374
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Dec 5, 2023	Deed of Trust, Mortgage · Commercial Mortgage RONALD PERLSTEIN IRA 00392
Oct 30, 2023	Deed of Trust, Mortgage · FHA Mortgage FREEDOM MORTGAGE CORP
May 19, 2017	Deed of Trust, Mortgage · FHA Mortgage FIRST GUARANTY MORTGAGE CORP
Jul 26, 2022	Deed of Trust, Mortgage · FHA Mortgage FREEDOM MORTGAGE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 14, 2014 · Amount on Record
Deed Sale	Feb 14, 2014 · Amount on Record
Deed Document Number	201424179
Record Updated	Sep 20, 2026

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4015 STEFFA ST, ANTIOCH, CA 94509-4374
Transaction Type	Mortgage
Record Updated	Dec 14, 2023
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4015 STEFFA ST, ANTIOCH, CA 94509-4374

Mortgage

Document Number	0000128870
Date	Dec 5, 2023
Instrument	2023-128870

Lender

Name	RONALD PERLSTEIN IRA 00392
Type	Non-Lending Institution
Address	LOS ANGELES, CA 90064

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

October 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4015 STEFFA ST, ANTIOCH, CA 94509-4374
Transaction Type	Mortgage
Record Updated	Nov 8, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4015 STEFFA ST, ANTIOCH, CA 94509-4374

Mortgage

Document Number	0000116687
Date	Oct 30, 2023
Instrument	2023-116687

Lender

Name	FREEDOM MORTGAGE CORP
Type	Subprime Lender
Address	BOCA RATON, FL 33431

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	353 Months
Due	Mar 1, 2053

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4015 STEFFA ST, ANTIOCH, CA 94509-4374
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SPL PLACER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000087670
Date	May 19, 2017
Instrument	2017-087670

Lender

Name	FIRST GUARANTY MORTGAGE CORP
Type	Mortgage Company
Address	VIENNA, VA 22182

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2047

July 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4015 STEFFA ST, ANTIOCH, CA 94509-4374
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4015 STEFFA ST, ANTIOCH, CA 94509-4374

Mortgage

Document Number	0000118378
Date	Jul 26, 2022
Instrument	2022-118378

Lender

Name	FREEDOM MORTGAGE CORP
Type	Subprime Lender
Address	MOUNT LAUREL, NJ 08054

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	358 Months
Due	May 1, 2052

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		$772,721 (+2%) Land $156,291 Building $616,430
2025	$10,855.00 (+3.23%)	$757,571 (+4.04%) Land $153,227 Building $604,344
2023	$10,515.00 (+1.63%)	$728,156 Land $147,278 Building $580,878
2022	$10,346.00

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	5 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	High above 84% of the US · above 63% of California
Wildfire Likelihood	0.7% annual chance
Exposure	Direct burnable vegetation

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

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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