236 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 236 Boulder Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,690 sqft · built 1971
Lot Size	0.189 acres (8,250 sqft)
Owner	2 Individual Names on Record
Last Sale	$319,000 (Feb 2014)
Tax Bill	$4,946 (2025)
Deeds & Mortgages	Dec 2018 Mortgage Aug 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`072-042-003-3`

Property Details

APN / Parcel Number

Primary APN	`072-042-003-3`
Alternative APN	`072-042-003`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,690 sqft Living Area
1st Floor Area	1,690 sqft

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1980
Lot Area	8,250 sqft (0.189 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	236 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 54 EX MR
Legal Subdivision	SUBDIVISION 3596
Legal Tract	3596
Legal Lot Number	54
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	2 Individual Names on Record
Mailing Address	236 BOULDER DR, ANTIOCH, CA 94509-6206
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Dec 28, 2018	Deed of Trust, Mortgage · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC
Aug 25, 2021	Deed of Trust, Mortgage · Conventional Mortgage NATIONS LENDING CORP
Aug 17, 2019	Deed of Trust, Mortgage · Conventional Mortgage FIRST CHOICE LN SVCS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 5, 2014 · Amount on Record
Deed Sale	Feb 5, 2014 · Amount on Record
Prior Sale	Apr 8, 2011 · Amount on Record
Deed Document Number	201418866
Prior Transfer Date	Oct 9, 2006
Prior Transfer Doc	0000100502
Record Updated	Oct 29, 2026

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	236 BOULDER DR, ANTIOCH, CA 94509-6206
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000206963
Date	Dec 28, 2018
Instrument	2018-206963

Lender

Name	SIERRA PACIFIC MORTGAGE CO INC
Type	Mortgage Company
Address	FOLSOM, CA 95630

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2049

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	236 BOULDER DR, ANTIOCH, CA 94509-6206
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	236 BOULDER DR, ANTIOCH, CA 94509-6206

Mortgage

Document Number	0000238003
Date	Aug 25, 2021
Instrument	2021-238003

Lender

Name	NATIONS LENDING CORP
Type	Mortgage Company
Address	INDEPENDENCE, OH 44131

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2051

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	236 BOULDER DR, ANTIOCH, CA 94509-6206
Document Number	0000135472
Instrument Date	Aug 17, 2019
Transaction Type	Mortgage
Record Updated	Sep 2, 2019
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	236 BOULDER DR ANTIOCH CA 945096206, ANTIOCH, CA 94509-6206

Mortgage

Document Number	0000135472
Date	Aug 23, 2019
Instrument	135472

Lender

Name	FIRST CHOICE LN SVCS
Type	Funding / Finance Company
Address	EAST BRUNSWICK, NJ 08816

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 22, 2049

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		$398,861 (+2%) Land $106,277 Building $292,584
2025	$4,946.00 (+5.23%)	$391,042 (+4.04%) Land $104,194 Building $286,848
2023	$4,700.00 (+1.56%)	$375,859 Land $100,149 Building $275,710
2022	$4,628.00

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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