224 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 224 Boulder Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,693 sqft · built 1969
Lot Size	0.174 acres (7,575 sqft)
Owner	Individual Name on Record
Last Sale	$471,000 (May 2020)
Tax Bill	$6,256 (2025)
Deeds & Mortgages	Nov 2021 Line of Credit May 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`072-042-006-6`

Property Details

APN / Parcel Number

Primary APN	`072-042-006-6`
Alternative APN	`072-042-006`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,693 sqft Living Area
1st Floor Area	1,693 sqft

Exterior

Year Built	Built 1969
Effective Year Built	Effective 1970
Lot Area	7,575 sqft (0.174 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	224 BOULDER DR
City	ANTIOCH
State	CA
Zip	94509-6206
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 3596 LOT 57 EX MR
Legal Subdivision	UBDIVISION 3596 RIDGEROCK PARK
Legal Tract	3596
Legal Lot Number	57
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1004
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	Individual Name on Record
Mailing Address	224 BOULDER DR, ANTIOCH, CA 94509-6206
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 16, 2021	Deed of Trust, Mortgage · Line of Credit UNITED WHOLESALE MORTGAGE
May 8, 2020	Grant Deed, Transfer · FHA Mortgage MASON MCDUFFIE MORTGAGE CORP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 8, 2020 · Amount on Record
Deed Sale	May 8, 2020 · Amount on Record
Prior Sale	Jun 1, 2016 · Amount on Record
Deed Document Number	202087821
Prior Transfer Date	Jan 25, 2011
Prior Transfer Doc	0000024729
Record Updated	Oct 29, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	224 BOULDER DR, ANTIOCH, CA 94509-6206
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PACIFIC COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	224 BOULDER DR, ANTIOCH, CA 94509-6206

Mortgage

Document Number	0000316747
Date	Nov 16, 2021
Instrument	2021-316747

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 8, 2020
Property Address	224 BOULDER DR, ANTIOCH, CA 94509-6206
Document Number	0000087821
Map Reference	MB 112 PG 27
Instrument Date	Apr 22, 2020
Instrument	2020-087821
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	224 BOULDER DR, ANTIOCH, CA 94509-6206

Mortgage

Document Number	0000087822
Date	May 8, 2020
Instrument	2020-087822

Lender

Name	MASON MCDUFFIE MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2050

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		$525,404 (+2%) Land $217,524 Building $307,880
2025	$6,256.00 (+5.11%) Homeowner's exemption	$515,103 (+4.04%) Land $213,259 Building $301,844
2023	$5,952.00 (+1.62%) Homeowner's exemption	$495,103 Land $204,979 Building $290,124
2022	$5,857.00

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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