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2105 L St, Antioch, CA 94509 Property Records

Contra Costa County property record for 2105 L St, Antioch, CA 94509

Property Summary

Property TypeDuplex
Details5 bd · 3 ba · 2,080 sqft · built 1978
Lot Size0.115 acres (5,000 sqft)
Owner2 Individual Names on File
Last Sale$152,000 (Feb 2010)
Tax Bill$3,310 (2025)
Deeds & MortgagesApr 2021 Mortgage
Dec 2019 Mortgage
Flood ZoneZone X (minimal risk)
APN067-333-076-7

Property Details

APN / Parcel Number

Primary APN067-333-076-7
Alternative APN
  • 067-333-076

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area2,080 sqft Living Area
1st Floor Area1,040 sqft
2nd Floor Area1,040 sqft

Exterior

Year BuiltBuilt 1978
Effective Year BuiltEffective 1979
Architectural StyleDuplex Single
Lot Area5,000 sqft (0.115 acres)
Garage TypeAttached
Garage Area740 sqft
Parking Spaces3 Parking Spaces

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address2105 L ST
CityANTIOCH
StateCA
Zip94509-3421
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR1
Legal DescriptionSYCAMORE PARK #3 POR LOTS 334,335 & 339
Legal SubdivisionSYCAMORE PARK 03
Legal Lot Number334
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group2
Census Block2004
Census Tract307102

Owner

2105 L St, a duplex, is owned by two individuals who bought it in February 2010.

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

Owner of Record2 Individual Names on File
Mailing Address608 BRADFORD PL, DANVILLE, CA 94526-2302
Owner TypeIndividual
VestingJoint Tenants

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

DateDocument
Apr 6, 2021Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC
Dec 30, 2019Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LNS

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 1, 2010 · Amount on File
Deed SaleFeb 1, 2010 · Amount on File
Prior SaleJan 21, 2009 · Amount on File
Deed Document Number201021072
Prior Transfer DateFeb 10, 2006
Prior Transfer Doc0000052407
Record UpdatedOct 29, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address2105 L ST, ANTIOCH, CA 94509-3421
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyCHICAGO TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address608 BRADFORD PL, DANVILLE, CA 94526-2302

Mortgage

Document Number0000102003
DateApr 6, 2021
Instrument2021-102003
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueMay 1, 2051

December 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address2105 L ST, ANTIOCH, CA 94509-3421
Document Number0000000343
Instrument DateDec 30, 2019
Transaction TypeMortgage
Record UpdatedJan 15, 2020
Title CompanyCHICAGO TITLE COMPANY CONCORD, CHICAGO TITLE CO CONCORD

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address608 BRADFORD PL DANVILLE CA 945262302, DANVILLE, CA 94526-2302

Mortgage

Document Number0000000343
DateJan 2, 2020
Instrument343
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueJan 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 2105 L St was $3,310.

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$200,112 (+2%) Land $39,491 Building $160,621
2025$3,310.00$196,189 Land $38,717 Building $157,472
2023$3,089.00 (+1.18%)$188,572 Land $37,214 Building $151,358
2022$3,053.00

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

Flood

FEMA maps place 2105 L St in Zone X, an area of minimal flood risk.

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

The area around 2105 L St 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 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 561 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, 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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