4019 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 4019 Boulder Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,113 sqft · built 1978
Lot Size	0.383 acres (16,660 sqft)
Owner	Company Name on Record
Tax Bill	$3,329 (2025)
Deeds & Mortgages	Nov 2021 Reverse Mortgage Jan 2017 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`072-103-006-2`

Property Details

APN / Parcel Number

Primary APN	`072-103-006-2`
Alternative APN	`072-103-006`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,113 sqft Living Area
Gross Area	2,554 sqft
1st Floor Area	2,113 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1988
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	16,660 sqft (0.383 acres)
Garage Type	Attached
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	4019 BOULDER DR
City	ANTIOCH
State	CA
Zip	94509-6234
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 4693 LOT 177 EX 1/4 MR
Legal Subdivision	SUBDIVISION 4693
Legal Tract	4693
Legal Lot Number	177
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1011
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	4019 BOULDER DR, ANTIOCH, CA 94509-6234
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Nov 15, 2021	Deed of Trust, Mortgage · Reverse Mortgage LONGBRIDGE FINANCIAL LLC
Jan 2, 2017	Deed of Trust, Mortgage · FHA Mortgage AMERICAN ADVISORS
Jan 2, 2017	Deed of Trust, Mortgage · FHA Mortgage HUD-HOUSING/URBAN DEV

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	May 20, 2005
Transfer Doc	0000262163
Record Updated	Sep 20, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4019 BOULDER DR, ANTIOCH, CA 94509-6234
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4019 BOULDER DR, ANTIOCH, CA 94509-6234

Mortgage

Document Number	0000316450
Date	Nov 15, 2021
Instrument	2021-316450

Lender

Name	LONGBRIDGE FINANCIAL LLC
Type	Reverse Mortgage Lender
Address	MAHWAH, NJ 07495

Agreement

Type	Reverse Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	2.15%
Type Change Date	Jan 1, 2022
Change Frequency	Monthly
Index	1-Year CMT

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4019 BOULDER DR, ANTIOCH, CA 94509-6234
Document Number	0000003717
Instrument Date	Jan 2, 2017
Transaction Type	Mortgage
Record Updated	Nov 16, 2018
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	4019 BOULDER DR ANTIOCH CA 945096234, ANTIOCH, CA 94509-6234

Mortgage

Document Number	0000003717
Date	Jan 6, 2017
Instrument	3717

Lender

Name	AMERICAN ADVISORS
Address	ORANGE, CA 92868

Agreement

Type	FHA Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	4.56%

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4019 BOULDER DR, ANTIOCH, CA 94509-6234
Document Number	0000003716
Instrument Date	Jan 2, 2017
Transaction Type	Mortgage
Record Updated	Jan 16, 2017
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	4019 BOULDER DR ANTIOCH CA 945096234, ANTIOCH, CA 94509-6234

Mortgage

Document Number	0000003716
Date	Jan 6, 2017
Instrument	3716

Lender

Name	HUD-HOUSING/URBAN DEV

Agreement

Type	FHA Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	4.56%

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		$258,406 (+2%) Land $36,208 Building $222,198
2025	$3,329.00 (+5.82%) Homeowner's exemption	$253,341 (+4.04%) Land $35,499 Building $217,842
2023	$3,146.00 (+1.52%) Homeowner's exemption	$243,505 Land $34,121 Building $209,384
2022	$3,099.00

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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