15 Helmuth Ln, Antioch, CA 94509 Property Records

Contra Costa County property record for 15 Helmuth Ln, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,650 sqft · built 1956
Lot Size	0.172 acres (7,500 sqft)
Owner	2 Individual Names on File
Last Sale	$440,000 (Mar 2021)
Tax Bill	$5,901 (2025)
Deeds & Mortgages	Nov 2020 Mortgage Mar 2021 Transfer + 4 more
Flood Zone	Zone X (minimal risk)
APN	`068-041-017-2`

Property Details

APN / Parcel Number

Primary APN	`068-041-017-2`
Alternative APN	`068-041-017`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,650 sqft Living Area
1st Floor Area	1,650 sqft

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Lot Area	7,500 sqft (0.172 acres)

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	15 HELMUTH LN
City	ANTIOCH
State	CA
Zip	94509-2637
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Description	CAKEBREAD SUBN W 100 FT OF LOT 1
Legal Subdivision	CAKEBREAD SUB
Legal Lot Number	1
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2007
Census Tract	306003

Owner

15 Helmuth Ln is owned and occupied by two individuals who bought it in March 2021.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Nov 25, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Mar 9, 2021	Quit Claim Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Mar 9, 2021	Grant Deed, Transfer · Conventional Mortgage FINANCE OF AMERICA MORTGAGE LLC
Sep 11, 2019	Deed of Trust, Mortgage · Conventional with PMI QUICKEN LNS
Dec 19, 2018	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Jul 6, 2018	Deed of Trust, Mortgage · Conventional with PMI QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 9, 2021 · Amount on File
Deed Sale	Mar 9, 2021 · Amount on File
Prior Sale	Jun 23, 2016 · Amount on File
Deed Document Number	202171729
Prior Transfer Date	Mar 4, 2021
Prior Transfer Doc	0000071728
Record Updated	Oct 29, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637

Mortgage

Document Number	0000288071
Date	Nov 25, 2020
Instrument	2020-288071

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	354 Months
Due	May 1, 2050

March 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 9, 2021
Property Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637
Document Number	0000071728
Map Reference	MB 25 PG 838
Instrument Date	Mar 4, 2021
Instrument	2021-071728
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637

March 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 9, 2021
Property Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637
Document Number	0000071729
Map Reference	MB 25 PG 838
Instrument Date	Feb 24, 2021
Instrument	2021-071729
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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	Joint Tenants
Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637

Mortgage

Document Number	0000071730
Date	Mar 9, 2021
Instrument	2021-071730

Lender

Name	FINANCE OF AMERICA MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2051

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637
Document Number	0000152484
Instrument Date	Sep 11, 2019
Transaction Type	Mortgage
Record Updated	Sep 25, 2019
Title Company	AMROCK TITLE CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	15 HELMUTH LN ANTIOCH CA 945092637, ANTIOCH, CA 94509-2637

Mortgage

Document Number	0000152484
Date	Sep 16, 2019
Instrument	152484

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	324 Months
Due	Sep 15, 2046

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637
Document Number	0000206145
Instrument Date	Dec 19, 2018
Transaction Type	Mortgage
Record Updated	Jan 7, 2019
Title Company	AMROCK TITLE CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	15 HELMUTH LN ANTIOCH CA 945092637, ANTIOCH, CA 94509-2637

Mortgage

Document Number	0000206145
Date	Dec 26, 2018
Instrument	206145

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 25, 2048

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	15 HELMUTH LN, ANTIOCH, CA 94509-2637
Document Number	0000111544
Instrument Date	Jul 6, 2018
Transaction Type	Mortgage
Record Updated	Jul 18, 2018
Title Company	TITLE SOURCE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	15 HELMUTH LN ANTIOCH CA 945092637, ANTIOCH, CA 94509-2637

Mortgage

Document Number	0000111544
Date	Jul 13, 2018
Instrument	111544

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	Jul 12, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 15 Helmuth Ln was $5,901.

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		$485,791 (+2%) Land $264,977 Building $220,814
2025	$5,901.00	$476,267 Land $259,782 Building $216,485
2023	$5,615.00 (+1.59%)	$457,776 Land $249,696 Building $208,080
2022	$5,527.00

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

Flood

FEMA maps place 15 Helmuth Ln 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

The area around 15 Helmuth Ln has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land 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 741 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
Unwired Fixed Wireless	300 / 25

May also be available: Verizon.

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