4007 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 4007 Boulder Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,362 sqft · built 1966
Lot Size	0.177 acres (7,708 sqft)
Owner	Individual Name on Record
Last Sale	$550,000 (Mar 2023)
Tax Bill	$6,973 (2025)
Deeds & Mortgages	Mar 2023 Sale & Mortgage Mar 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`072-025-001-8`

Property Details

APN / Parcel Number

Primary APN	`072-025-001-8`
Alternative APN	`072-025-001`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,362 sqft Living Area
1st Floor Area	1,362 sqft

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1967
Lot Area	7,708 sqft (0.177 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4007 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 3435 LOT 24 EX MR
Legal Subdivision	SUBDIVISION 3435
Legal Tract	3435
Legal Lot Number	24
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	Individual Name on Record
Mailing Address	1037 E AIRWAY BLVD, 51, LIVERMORE, CA 94551-7452
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 21, 2023	Grant Deed, Transfer · Conventional Mortgage EAST WEST BANK
Mar 21, 2023	Quit Claim Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 21, 2023 · Amount on Record
Deed Sale	Mar 21, 2023 · Amount on Record
Deed Document Number	202326325
Prior Transfer Date	Mar 16, 2023
Prior Transfer Doc	0000026324
Record Updated	Oct 29, 2026

March 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 21, 2023
Property Address	4007 BOULDER DR, ANTIOCH, CA 94509-6234
Document Number	0000026325
Map Reference	MB 108 PG 23
Instrument Date	Mar 18, 2023
Instrument	2023-026325
Transaction Type	Transfer
Record Updated	Mar 29, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC 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	1037 E AIRWAY BLVD APT 51, 51, LIVERMORE, CA 94551-7452

Mortgage

Document Number	0000026326
Date	Mar 21, 2023
Instrument	2023-026326

Lender

Name	EAST WEST BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2053

March 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 21, 2023
Property Address	4007 BOULDER DR, ANTIOCH, CA 94509-6234
Document Number	0000026324
Map Reference	MB 108 PG 23
Instrument Date	Mar 16, 2023
Instrument	2023-026324
Transaction Type	Transfer
Record Updated	Mar 29, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4007 SOWLDER DRIVE, ANTIOCH, CA 94509

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		$583,663 (+2%) Land $244,077 Building $339,586
2025	$6,973.00 (+465.07%)	$572,220 (+697.11%) Land $239,292 Building $332,928
2023	$1,234.00 (+1.15%) Homeowner's exemption	$71,787 Land $24,701 Building $47,086
2022	$1,220.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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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