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8 Helmuth Ln, Antioch, CA 94509 Property Records

Contra Costa County property record for 8 Helmuth Ln, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 637 sqft · built 1941
Lot Size0.07 acres (3,049 sqft)
OwnerIndividual Name on Record
Last Sale$173,000 (Apr 2014)
Tax Bill$2,940 (2025)
Flood ZoneZone X (minimal risk)
APN068-041-029-7

Property Details

APN / Parcel Number

Primary APN068-041-029-7
Alternative APN
  • 068-041-029

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area637 sqft Living Area
1st Floor Area637 sqft

Exterior

Year BuiltBuilt 1941
Effective Year BuiltEffective 1965
Lot Area3,049 sqft (0.07 acres)
Garage TypeAttached
Garage Area441 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address8 HELMUTH LN
CityANTIOCH
StateCA
Zip94509-2638
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionPCL MAP 144 PG 41 PCL A
Legal SubdivisionMINOR SUBDIVISION 13-89
Legal Tract144PM41
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group2
Census Block2007
Census Tract306003

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 RecordIndividual Name on Record
Mailing Address8 HELMUTH LN, ANTIOCH, CA 94509-2638
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Person

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 18, 2014 · Amount on Record
Deed SaleApr 18, 2014 · Amount on Record
Prior SaleAug 10, 2010 · Amount on Record
Deed Document Number201460131
Prior Transfer DateApr 14, 2014
Prior Transfer Doc0000060132
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$216,302 (+2%) Land $137,536 Building $78,766
2025$2,940.00 (+5.87%)$212,062 (+4.04%) Land $134,840 Building $77,222
2023$2,777.00 (+1.42%)$203,829 Land $129,605 Building $74,224
2022$2,738.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

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

Wildfire RiskNot 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 SystemCITY OF ANTIOCH
serves 116,781 people · EPA ID CA0710001
Water SourceSurface water
Last State InspectionJan 2024
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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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