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217 Flagstone Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 217 Flagstone Dr, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,690 sqft · built 1969
Lot Size0.186 acres (8,112 sqft)
Owner2 Individual Names on File
Last Sale$475,000 (Jun 2019)
Tax Bill$6,420 (2025)
Deeds & MortgagesJun 2019 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN072-043-001-6

Property Details

APN / Parcel Number

Primary APN072-043-001-6
Alternative APN
  • 072-043-001

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,690 sqft Living Area
Gross Area2,127 sqft
1st Floor Area1,690 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1969
Effective Year BuiltEffective 1985
Architectural StyleTraditional
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area8,112 sqft (0.186 acres)
Garage TypeAttached
Garage Area437 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address217 FLAGSTONE DR
CityANTIOCH
StateCA
Zip94509-6211
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionTRACT 3596 LOT 87 EX MR
Legal SubdivisionSUBDIVISION 3596
Legal Tract3596
Legal Lot Number87
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1005
Census Tract355109

Owner

217 Flagstone Dr is owned and occupied by two individuals who bought it in June 2019.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on File
Mailing Address217 FLAGSTONE DR, ANTIOCH, CA 94509-6211
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 13, 2019 · Amount on File
Deed SaleJun 13, 2019 · Amount on File
Prior SaleAug 13, 1998 · Amount on File
Deed Document Number201989171
Record UpdatedOct 29, 2026

June 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 13, 2019
Property Address217 FLAGSTONE DR, ANTIOCH, CA 94509-6211
Document Number0000089171
Instrument DateJun 10, 2019
Instrument89171
Transaction TypeTransfer
Record UpdatedJun 25, 2019
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$522.50
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address217 FLAGSTONE DR ANTIOCH CA 945096211, ANTIOCH, CA 94509-6211

Mortgage

Document Number89174
DateJun 13, 2019
Instrument89174
Lender
NameGUARANTEED RATE
AddressCHICAGO, IL 60613
Agreement
TypeConventional Mortgage
AmountAmount on Record

Mortgage

Document Number89173,
DateJun 13, 2019
Instrument89173
Lender
NameGUARANTEED RATE
AddressCHICAGO, IL 60613
Agreement
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 217 Flagstone Dr was $6,420 with a homeowner's exemption.

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$540,462 (+2%) Land $170,671 Building $369,791
2025$6,420.00 Homeowner's exemption$529,866 Land $167,325 Building $362,541
2023$6,109.00 (+1.63%) Homeowner's exemption$509,293 Land $160,829 Building $348,464
2022$6,011.00

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

Flood

FEMA maps place 217 Flagstone Dr 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 217 Flagstone Dr is low, with a 0.01% annual chance of 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

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 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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