3909 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 3909 Boulder Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,608 sqft · built 1970
Lot Size	0.171 acres (7,440 sqft)
Owner	Individual Name on Record
Last Sale	$475,000 (Nov 2019)
Tax Bill	$9,037 (2025)
Deeds & Mortgages	May 2021 Mortgage Jul 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`072-042-013-2`

Property Details

APN / Parcel Number

Primary APN	`072-042-013-2`
Alternative APN	`072-042-013`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,608 sqft Living Area
Gross Area	2,045 sqft
1st Floor Area	1,608 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1985
Architectural Style	Ranch
Roof Material	Wood Shingle
Lot Area	7,440 sqft (0.171 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	3909 BOULDER DR
City	ANTIOCH
State	CA
Zip	94509-6236
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 3596 LOT 64 EX MR
Legal Subdivision	SUBDIVISION 3596
Legal Tract	3596
Legal Lot Number	64
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	3909 BOULDER DR, ANTIOCH, CA 94509-6236
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 14, 2021	Deed of Trust, Mortgage · FHA Mortgage HOME APPROVALS DIRECT INC
Jul 14, 2020	Deed of Trust, Mortgage · FHA Mortgage HOME APPROVALS DIRECT INC
Nov 15, 2019	Grant Deed, Transfer · FHA Mortgage HOME APPROVALS DIRECT INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 15, 2019 · Amount on Record
Deed Sale	Nov 15, 2019 · Amount on Record
Prior Sale	Feb 27, 2004 · Amount on Record
Deed Document Number	2019204976
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3909 BOULDER DR, ANTIOCH, CA 94509-6236
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PACIFIC COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3909 BOULDER DR, ANTIOCH, CA 94509-6236

Mortgage

Document Number	0000145031
Date	May 14, 2021
Instrument	2021-145031

Lender

Name	HOME APPROVALS DIRECT INC
Type	Non-Lending Institution
Address	IRVINE, CA 92612

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2051

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3909 BOULDER DR, ANTIOCH, CA 94509-6236
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PROVIDENT TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000140302
Date	Jul 14, 2020
Instrument	2020-140302

Lender

Name	HOME APPROVALS DIRECT INC
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

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

November 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 15, 2019
Property Address	3909 BOULDER DR, ANTIOCH, CA 94509-6236
Document Number	0000204976
Map Reference	MB 112 PG 27
Instrument Date	Nov 13, 2019
Instrument	2019-204976
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO 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	3909 BOULDER DR, ANTIOCH, CA 94509-6236

Mortgage

Document Number	0000204977
Date	Nov 15, 2019
Instrument	2019-204977

Lender

Name	HOME APPROVALS DIRECT INC
Type	Non-Lending Institution

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 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		$529,867 (+2%) Land $223,101 Building $306,766
2025	$9,037.00 (+3.5%) Homeowner's exemption	$519,478 (+4.04%) Land $218,727 Building $300,751
2023	$8,731.00 (+1.11%) Homeowner's exemption	$499,308 Land $210,235 Building $289,073
2022	$8,635.00

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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