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2204 Koa Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 2204 Koa Ct, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,534 sqft · built 1991
Lot Size0.172 acres (7,488 sqft)
Owner2 Company Names on Record
Last Sale$405,000 (Jan 2015)
Tax Bill$5,719 (2025)
Deeds & MortgagesJan 2018 Mortgage
Flood ZoneZone X (minimal risk)
APN072-360-017-7

Property Details

APN / Parcel Number

Primary APN072-360-017-7
Alternative APN
  • 072-360-017

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area2,534 sqft Living Area
1st Floor Area1,302 sqft
2nd Floor Area1,232 sqft

Exterior

Year BuiltBuilt 1991
Effective Year BuiltEffective 1991
Architectural StyleCluster
Lot Area7,488 sqft (0.172 acres)
Garage TypeAttached
Garage Area464 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address2204 KOA CT
CityANTIOCH
StateCA
Zip94509-7766
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT7079 L17
Legal SubdivisionSUBDIVISION 7079
Legal Tract7079
Legal Lot Number17
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group4
Census Block4015
Census Tract355109

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 Record2 Company Names on Record
Mailing Address2204 KOA CT, ANTIOCH, CA 94509-7766
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 22, 2015 · Amount on Record
Deed SaleJan 22, 2015 · Amount on Record
Prior SaleMay 10, 2010 · Amount on Record
Deed Document Number201511031
Last Transfer DateMay 14, 2024
Transfer Doc0000046175
Record UpdatedOct 29, 2026

January 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address2204 KOA CT, ANTIOCH, CA 94509-7766
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyOLD REPUBLIC TITLE SF

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000015592
DateJan 31, 2018
Instrument2018-015592
Lender
NameSUMMIT FUNDING INC
TypeMortgage Company
AddressSACRAMENTO, CA 95815
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueFeb 1, 2033

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$496,470 (+2%) Land $96,531 Building $399,939
2025$5,719.00 (+6.22%) Homeowner's exemption$486,737 (+4.04%) Land $94,639 Building $392,098
2023$5,384.00 (+1.58%) Homeowner's exemption$467,838 Land $90,965 Building $376,873
2022$5,300.00

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 RiskLow
lower than 97% of the US · lower than 97.8% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 753 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: Verizon.

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