221 Flagstone Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 221 Flagstone Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,608 sqft · built 1968
Lot Size	0.162 acres (7,055 sqft)
Owner	Company Name on Record
Tax Bill	$3,074 (2025)
Deeds & Mortgages	Nov 2023 Transfer Nov 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`072-043-002-4`

Property Details

APN / Parcel Number

Primary APN	`072-043-002-4`
Alternative APN	`072-043-002`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,608 sqft Living Area
1st Floor Area	1,608 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1968
Effective Year Built	Effective 1969
Lot Area	7,055 sqft (0.162 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Street Address	221 FLAGSTONE DR
City	ANTIOCH
State	CA
Zip	94509-6211
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 3596 LOT 88 EX MR
Legal Subdivision	SUBDIVISION 3596
Legal Tract	3596
Legal Lot Number	88
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1005
Census Tract	355109

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 Record	Company Name on Record
Mailing Address	221 FLAGSTONE DR, ANTIOCH, CA 94509-6211
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Nov 21, 2023	Intrafamily Transfer, Transfer
Nov 21, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Nov 10, 2023
Transfer Doc	0000124706
Record Updated	Sep 20, 2026

November 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 21, 2023
Property Address	221 FLAGSTONE DR, ANTIOCH, CA 94509-6211
Document Number	0000124707
Map Reference	MB 112 PG 27
Instrument Date	Nov 15, 2023
Instrument	2023-124707
Transaction Type	Transfer
Record Updated	Dec 5, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	221 FLAGSTONE DR, ANTIOCH, CA 94509-6211

November 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 21, 2023
Property Address	221 FLAGSTONE DR, ANTIOCH, CA 94509-6211
Document Number	0000124706
Map Reference	MB 112 PG 27
Instrument Date	Nov 10, 2023
Instrument	2023-124706
Transaction Type	Transfer
Record Updated	Dec 5, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	221 FLAGSTONE DR, ANTIOCH, CA 94509-6211

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Antioch City
Unified School District	Antioch Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$227,976 (+2%) Land $61,714 Building $166,262
2025	$3,074.00 (+8.7%)	$223,506 (+4.04%) Land $60,504 Building $163,002
2023	$2,828.00 (+1.51%) Homeowner's exemption	$214,828 Land $58,155 Building $156,673
2022	$2,786.00

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not 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 Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None 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 System	CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001
Water Source	Surface water
Last State Inspection	Jan 2024
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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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