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2216 Koa Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 2216 Koa Ct, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,545 sqft · built 1991
Lot Size0.137 acres (5,985 sqft)
Owner2 Individual Names on File
Last Sale$686,000 (Jun 2024)
Tax Bill$8,027 (2025)
Deeds & MortgagesNov 2025 Mortgage
Flood ZoneZone X (minimal risk)
APN072-360-020-1

Property Details

APN / Parcel Number

Primary APN072-360-020-1
Alternative APN
  • 072-360-020

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area2,545 sqft Living Area
1st Floor Area1,285 sqft
2nd Floor Area1,260 sqft

Exterior

Year BuiltBuilt 1991
Effective Year BuiltEffective 1991
Architectural StyleCluster
Lot Area5,985 sqft (0.137 acres)
Garage TypeAttached
Garage Area441 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address2216 KOA CT
CityANTIOCH
StateCA
Zip94509-7766
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT7079 L20
Legal SubdivisionLONE TREE ESTS-PH 1 SUB 7079
Legal Tract7079
Legal Lot Number20
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group4
Census Block4015
Census Tract355109

Owner

2216 Koa Ct is owned and occupied by two individuals who bought it in June 2024.

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

Owner of Record2 Individual Names on File
Mailing Address2216 KOA CT, ANTIOCH, CA 94509-7766
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 6, 2024 · Amount on File
Deed SaleJun 6, 2024 · Amount on File
Prior SaleFeb 14, 2003 · Amount on File
Deed Document Number202453399
Prior Transfer DateApr 29, 1997
Prior Transfer Doc0000076913
Record UpdatedOct 29, 2026

November 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address2216 KOA CT, ANTIOCH, CA 94509-7766
Transaction TypeMortgage
Record UpdatedNov 18, 2025
Title CompanyWFT NATIONAL TITLE, WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address1390 MOUNT SHASTA AVE, MILPITAS, CA 95035-6946

Mortgage

Document Number0000125596
DateNov 6, 2025
Instrument2025- 125596
Lender
NameOPTIMUM FIRST INC
TypeMortgage Company
Address7755 CENTER AVE STE 900, HUNTINGTON BEACH, CA 92647
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueDec 1, 2055
Interest
Rate TypeAdjustable Rate
Rate5.99%
AdjustableAdjustable Rate Rider
Type Change DateDec 1, 2032
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change10.9%
IndexOther
Max Rate10.9%

Tax Assessment & Valuation

The 2025 property tax bill for 2216 Koa Ct was $8,027.

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$713,610 (+2%) Land $182,070 Building $531,540
2025$8,027.00$699,618 Land $178,500 Building $521,118
2023$6,667.00 (+1.6%)$584,803 Land $160,779 Building $424,024
2022$6,562.00

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

Flood

FEMA maps place 2216 Koa Ct 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

Wildfire risk around 2216 Koa Ct is low, with less than a 0.01% annual chance of 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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