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229 Flagstone Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 229 Flagstone Dr, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,608 sqft · built 1968
Lot Size0.162 acres (7,055 sqft)
Owner2 Individual Names on File
Last Sale$207,000 (Jun 2011)
Tax Bill$3,510 (2025)
Flood ZoneZone X (minimal risk)
APN072-043-004

Property Details

APN / Parcel Number

Primary APN072-043-004
Alternative APN
  • 072-043-004-0

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,608 sqft Living Area
1st Floor Area1,608 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1968
Effective Year BuiltEffective 1980
Architectural StyleRanch
Lot Area7,055 sqft (0.162 acres)
Garage TypeAttached
Garage Area437 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Street Address229 FLAGSTONE DR
CityANTIOCH
StateCA
Zip94509-6211
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionTRACT 3596 LOT 90 EX MR
Legal SubdivisionRIDGEROCK PARK
Legal Tract3596
Legal Lot Number90
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1005
Census Tract355109

Owner

Source: Contra Costa County assessment roll, 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 Individual Names on File
Mailing Address229 FLAGSTONE DR, ANTIOCH, CA 94509-6211
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJun 13, 2011 · Amount on Record
Deed SaleJun 13, 2011 · Amount on Record
Prior SaleJan 4, 2010 · Amount on Record
Deed Document Number2011116465
Last Transfer DateApr 9, 2014
Transfer Doc0000072521
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$274,906 (+2%) Land $52,264 Building $222,642
2025$3,510.00 (+5.72%) Homeowner's exemption$269,517 (+4.04%) Land $51,240 Building $218,277
2023$3,320.00 (+1.53%) Homeowner's exemption$259,053 Land $49,251 Building $209,802
2022$3,270.00

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 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

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 645 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		100 / 20

May also be available: Verizon.

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