3133 Ash St, Antioch, CA 94509 Property Records

Contra Costa County property record for 3133 Ash St, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,058 sqft · built 1977
Lot Size	0.072 acres (3,120 sqft)
Owner	2 Individual Names on Record
Last Sale	$480,000 (May 2021)
Tax Bill	$6,377 (2025)
Deeds & Mortgages	May 2021 Sale & Mortgage Aug 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`076-421-024-1`

Property Details

APN / Parcel Number

Primary APN	`076-421-024-1`
Alternative APN	`076-421-024`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,058 sqft Living Area
Gross Area	1,497 sqft
1st Floor Area	1,058 sqft

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1990
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	3,120 sqft (0.072 acres)
Garage Type	Attached
Garage Area	439 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	3133 ASH ST
City	ANTIOCH
State	CA
Zip	94509-5205
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T04252 L0219 B EX MR&FEE BLW 500FT
Legal Subdivision	SUBDIVISION 4252
Legal Tract	04252
Legal Lot Number	219
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2013
Census Tract	307205

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	3133 ASH ST, ANTIOCH, CA 94509-5205
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
May 11, 2021	Grant Deed, Transfer · Conventional Mortgage US BANK NA
Aug 25, 2017	Intrafamily Transfer, Transfer · ARM FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 11, 2021 · Amount on Record
Deed Sale	May 11, 2021 · Amount on Record
Prior Sale	Jul 20, 2009 · Amount on Record
Deed Document Number	2021140454
Prior Transfer Date	Jul 28, 2017
Prior Transfer Doc	0000155204
Record Updated	Oct 29, 2026

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 11, 2021
Property Address	3133 ASH ST, ANTIOCH, CA 94509-5205
Document Number	0000140454
Map Reference	MB 145 PG 7-10
Instrument Date	Apr 6, 2021
Instrument	2021-140454
Transaction Type	Transfer
Record Updated	Nov 3, 2022
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
Relationship	Joint Tenants
Address	3133 ASH ST, ANTIOCH, CA 94509-5205

Mortgage

Document Number	0000140455
Date	May 11, 2021
Instrument	2021-140455

Lender

Name	US BANK NA
Type	Bank

Agreement

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

August 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 25, 2017
Property Address	3133 ASH ST, ANTIOCH, CA 94509-5205
Document Number	0000155204
Map Reference	MB145 PG7-10
Instrument Date	Jul 28, 2017
Instrument	2017-155204
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	501 RAILROAD AVE, PITTSBURG, CA 94565-2304

Mortgage

Document Number	0000155205
Date	Aug 25, 2017
Instrument	2017-155205

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.95%
Type Change Date	Sep 1, 2027
Change Frequency	Monthly
Index	1-Month LIBOR
Max Rate	9.95%

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		$529,957 (+2%) Land $253,937 Building $276,020
2025	$6,377.00 (+5.04%)	$519,566 (+4.04%) Land $248,958 Building $270,608
2023	$6,071.00 (+1.61%)	$499,392 Land $239,292 Building $260,100
2022	$5,975.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 342 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile, Verizon.

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