325 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 325 Boulder Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,842 sqft · built 1973
Lot Size	0.198 acres (8,625 sqft)
Owner	2 Individual Names on Record
Last Sale	$534,500 (Sep 2020)
Tax Bill	$6,964 (2025)
Deeds & Mortgages	Mar 2021 Transfer Sep 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`072-051-007-2`

Property Details

APN / Parcel Number

Primary APN	`072-051-007-2`
Alternative APN	`072-051-007`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,842 sqft Living Area
Gross Area	2,220 sqft
1st Floor Area	1,842 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1983
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	8,625 sqft (0.198 acres)
Lot Dimensions	115 ft deep x 75 ft wide
View / Lot	River
Garage Type	Attached
Garage Area	378 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	325 BOULDER DR
City	ANTIOCH
State	CA
Zip	94509-6207
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 3899 POR LOT 103 EX MR
Legal Subdivision	SUBDIVISION #3899
Legal Tract	3899
Legal Lot Number	103
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1002
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	325 BOULDER DR, ANTIOCH, CA 94509-6207
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 4, 2021	Intrafamily Transfer, Transfer
Sep 14, 2020	Grant Deed, Transfer · Conventional Mortgage PLANET HOME LENDING LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 14, 2020 · Amount on Record
Deed Sale	Sep 14, 2020 · Amount on Record
Deed Document Number	2020203428
Last Transfer Date	Feb 23, 2021
Transfer Doc	0000066559
Record Updated	Oct 29, 2026

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 4, 2021
Property Address	325 BOULDER DR, ANTIOCH, CA 94509-6207
Document Number	0000066559
Map Reference	MB 135 PG 46
Instrument Date	Feb 23, 2021
Instrument	2021-066559
Transaction Type	Transfer
Record Updated	Nov 3, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	325 BOULDER DR, ANTIOCH, CA 94509-6207

September 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 14, 2020
Property Address	325 BOULDER DR, ANTIOCH, CA 94509-6207
Document Number	0000203428
Map Reference	MB 135 PG 46
Instrument Date	Sep 4, 2020
Instrument	2020-203428
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	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
Relationship	Community Property
Address	3542 ALLENDALE AVE, OAKLAND, CA 94619-1008

Mortgage

Document Number	0000203429
Date	Sep 14, 2020
Instrument	2020-203429

Lender

Name	PLANET HOME LENDING LLC
Type	Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 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		$590,127 (+2%) Land $165,611 Building $424,516
2025	$6,964.00 (+5.02%) Homeowner's exemption	$578,557 (+4.04%) Land $162,364 Building $416,193
2023	$6,631.00 (+1.66%) Homeowner's exemption	$556,093 Land $156,060 Building $400,033
2022	$6,523.00

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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