340 4th Ave S, Pacheco (Martinez), CA 94553 Property Records

Contra Costa County property record for 340 4th Ave S, Pacheco, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,124 sqft · built 1938
Lot Size	0.32 acres (13,939 sqft)
Owner	Company Name on Record
Tax Bill	$2,819 (2025)
Deeds & Mortgages	Sep 2017 Transfer Sep 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`125-272-014-7`

Property Details

APN / Parcel Number

Primary APN	`125-272-014-7`
Alternative APN	`125-272-014`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,124 sqft Living Area
1st Floor Area	1,124 sqft

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1980
Lot Area	13,939 sqft (0.32 acres)
Garage Type	Attached
Garage Area	360 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	340 4TH AVE S
City	PACHECO
State	CA
Zip	94553-5523
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	POR RO LAS JUNTAS .320 AC
Legal Subdivision	LAS JUNTAS RHO
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	4
Census Block	4004
Census Tract	321102

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	340 4TH AVE S, PACHECO, CA 94553-5523
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 22, 2017	Affidavit of Death, Transfer
Sep 22, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jul 18, 2017
Transfer Doc	0000173695
Record Updated	Sep 20, 2026

September 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 22, 2017
Property Address	340 4TH AVE S, PACHECO, CA 94553-5523
Document Number	0000173694
Instrument Date	Jul 18, 2017
Instrument	173694
Transaction Type	Transfer
Record Updated	Sep 27, 2017

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	340 4TH AVE S PACHECO CA 945535523, PACHECO, CA 94553-5523

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 22, 2017
Property Address	340 4TH AVE S, PACHECO, CA 94553-5523
Document Number	0000173695
Instrument Date	Jul 18, 2017
Instrument	173695
Transaction Type	Transfer
Record Updated	Sep 27, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	340 4TH AVE S PACHECO CA 945535523, PACHECO, CA 94553-5523

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$175,992 (+2%) Land $63,420 Building $112,572
2025	$2,819.00 (+4.87%)	$172,542 (+4.04%) Land $62,177 Building $110,365
2023	$2,688.00 (+1.01%)	$165,843 Land $59,763 Building $106,080
2022	$2,661.00

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	2 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	Not rated no burnable land within 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	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) 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 735 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Astound Broadband.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on 4th Ave S

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