4026 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 4026 Boulder Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,595 sqft · built 1978
Lot Size	0.176 acres (7,680 sqft)
Owner	2 Individual Names on Record
Last Sale	$679,000 (Sep 2022)
Tax Bill	$8,394 (2025)
Deeds & Mortgages	Sep 2022 Sale & Mortgage Feb 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`072-101-004-9`

Property Details

APN / Parcel Number

Primary APN	`072-101-004-9`
Alternative APN	`072-101-004`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,595 sqft Living Area
1st Floor Area	1,606 sqft
2nd Floor Area	989 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1999
Architectural Style	Contemporary
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	7,680 sqft (0.176 acres)
Garage Type	Attached
Garage Area	653 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	4026 BOULDER DR
City	ANTIOCH
State	CA
Zip	94509-6233
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 4693 LOT 159 EX 1/4 MR
Legal Subdivision	SUBDIVISION 4693
Legal Tract	4693
Legal Lot Number	159
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1008
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	4026 BOULDER DR, ANTIOCH, CA 94509-6233
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Sep 21, 2022	Grant Deed, Transfer · Conventional Mortgage CHURCHILL MORTGAGE CORP
Feb 20, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 21, 2022 · Amount on Record
Deed Sale	Sep 21, 2022 · Amount on Record
Prior Sale	Jun 26, 1997 · Amount on Record
Deed Document Number	2022142432
Prior Transfer Date	Jun 23, 2001
Prior Transfer Doc	0000193997
Record Updated	Oct 29, 2026

September 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 21, 2022
Property Address	4026 BOULDER DR, ANTIOCH, CA 94509-6233
Document Number	0000142432
Map Reference	MB 205 PG 19
Instrument Date	Sep 14, 2022
Instrument	2022-142432
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	Notice of Default Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4026 BOULDER DR, ANTIOCH, CA 94509-6233

Mortgage

Document Number	0000142433
Date	Sep 21, 2022
Instrument	2022-142433

Lender

Name	CHURCHILL MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Oct 1, 2037

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4026 BOULDER DR, ANTIOCH, CA 94509-6233
Document Number	0000034440
Instrument Date	Feb 20, 2020
Transaction Type	Mortgage
Record Updated	Mar 16, 2020
Title Company	AMROCK TITLE CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4026 BOULDER DR ANTIOCH CA 945096233, ANTIOCH, CA 94509-6233

Mortgage

Document Number	0000034440
Date	Feb 25, 2020
Instrument	34440

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 24, 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		$720,559 (+2%) Land $275,914 Building $444,645
2025	$8,394.00 (+4.9%) Homeowner's exemption	$706,431 (+4.04%) Land $270,504 Building $435,927
2023	$8,002.00 (+86.61%) Homeowner's exemption	$679,000 Land $260,000 Building $419,000
2022	$4,288.00

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	0.02% 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 376 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 · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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