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3110 E 18th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 3110 E 18th St, Antioch, CA 94509 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms1 Baths
Year BuiltBuilt 1960
Square Footage1,025 sqft Living Area
Lot Size2.55 acres
GarageAttached, 320 sqft
Last Sale$850,000 (2025)
Tax Bill$5,537.00 (2025)

Property Details

APN / Parcel Number

Primary APN051-230-020-3
Alternative APN
  • 051-230-020

Interior

Bedrooms3 Beds
Full Baths1 Baths
Total Rooms6 Rooms
Building Area1,025 sqft Living Area
1st Floor1,025 sqft 1st Floor
Stories1 Stories

Exterior

Year BuiltBuilt 1960
Effective Year BuiltEffective 1960
Lot Area111,513 sqft
Parking Spaces1 Parking Spaces
Garage TypeAttached Garage
Garage Area320 sqft Garage

Location & Zoning

Street Address3110 E 18TH ST
CityANTIOCH
StateCA
Zip94509-8522
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionPEABODY SUBN POR LOTS 4 & 9
Legal SubdivisionPEABODY SUB
Legal Lot Number4,9
JurisdictionCONTRA COSTA CA
Minor Civil DivisionANTIOCH-PITTSBURG
Census Blockgroup2
Census Block2029
Census Tract306002

Owner

Source: Contra Costa County records · APN 051-230-020-3

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on File
Mailing Address420 BEATRICE CT, G, BRENTWOOD, CA 94513-7368
Owner TypeOwner is a Company
VestingOwner is a Trust, Family Trust

Deeds, Mortgages & Sale History

DateDocument
Oct 22, 2025Grant Deed, Transfer · Commercial Mortgage
SUSAN L WELSH, A MARRIED WOMAN
Mar 13, 2018Quit Claim Deed, Transfer
Quitclaim Document
Feb 27, 2018Quit Claim Deed, Transfer
Quitclaim Document

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 22, 2025 · Amount on Record
Deed SaleOct 22, 2025 · Amount on Record
Prior SaleMar 24, 2005 · Amount on Record
Deed Doc Number2025111004
Prior Transfer DateFeb 16, 2018
Prior Transfer Doc0000038777
Record RefreshedSep 20, 2026

October 2025: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateOct 22, 2025
Property Address3110 E 18TH ST, ANTIOCH, CA 94509-8522
Document Number0000111004
Map ReferenceVOL C PG 68
Instrument DateOct 09, 2025
Instrument2025- 111004
Transaction TypeTransfer
Record UpdatedNov 03, 2025
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction
  • Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address420 BEATRICE CT # G4, G4, BRENTWOOD, CA 94513-7369

Mortgage

Document Number0000111005
DateOct 22, 2025
Instrument2025- 111005
Lender
NameSUSAN L WELSH, A MARRIED WOMAN
TypePrivate Party
Address23 LA SALLE DR, MORAGA, CA 94556
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

March 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 13, 2018
Property Address3110 E 18TH ST, ANTIOCH, CA 94509-8522
Document Number0000038777
Instrument DateFeb 16, 2018
Instrument38777
Transaction TypeTransfer
Record UpdatedMar 20, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim Document

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address23 LA SALLE DR MORAGA CA 945561509, MORAGA, CA 94556-1509

February 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 27, 2018
Property Address3110 E 18TH ST, ANTIOCH, CA 94509-8522
Document Number0000030224
Instrument DateFeb 16, 2018
Instrument30224
Transaction TypeTransfer
Record UpdatedMar 07, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim Document

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address23 LA SALLE DR MORAGA CA 945561509, MORAGA, CA 94556-1509

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed Value
2026$400,000 (-18.01%) Land $350,000 Building $50,000
2025$5,537.00 (+4.26%)$487,850 (+4.04%) Land $418,166 Building $69,684
2023$5,311.00 (+1.72%)$468,908 Land $401,929 Building $66,979
2022$5,221.00

Flood & Wildfire

3110 E 18th St is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

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

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