4285 Arthur Rd, Martinez, CA 94553 Property Records

Contra Costa County property record for 4285 Arthur Rd, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,422 sqft · built 1941
Lot Size	0.42 acres (18,295 sqft)
Owner	2 Individual Names on File
Last Sale	$925,000 (Jun 2021)
Tax Bill	$2,536 (2025)
Deeds & Mortgages	Nov 2021 Mortgage Jun 2021 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`380-120-030-8`

Property Details

APN / Parcel Number

Primary APN	`380-120-030-8`
Alternative APN	`380-120-030`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,422 sqft Living Area
1st Floor Area	1,469 sqft
2nd Floor Area	953 sqft

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1996
Lot Area	18,295 sqft (0.42 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4285 ARTHUR RD
City	MARTINEZ
State	CA
Zip	94553-1405
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	POR RO LAS JUNTAS
Legal Subdivision	LAS JUNTAS RHO
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1015
Census Tract	320001

Owner

Source: Contra Costa County records · APN 380-120-030-8

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address	4285 ARTHUR RD, MARTINEZ, CA 94553-1405
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Nov 18, 2021	Deed of Trust, Mortgage · VA Mortgage LAKEVIEW COMMUNITY CAPITAL LLC
Jun 02, 2021	Affidavit of Death of Joint Tenant, Transfer CHICAGO TITLE COMPANY
Jun 02, 2021	Grant Deed, Transfer · Conventional Mortgage NATIONWIDE MORTGAGE BANKERS INC
Aug 29, 2017	Grant Deed, Transfer · VA Mortgage AMERICAN PACIFIC MORTGAGE

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 02, 2021 · Amount on Record
Deed Sale	Jun 02, 2021 · Amount on Record
Prior Sale	Aug 29, 2017 · Amount on Record
Deed Document Number	2021161904
Prior Transfer Date	Nov 17, 2005
Prior Transfer Doc	0000485427
Record Updated	Sep 20, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4285 ARTHUR RD, MARTINEZ, CA 94553-1405
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	WESTCOR LAND TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4285 ARTHUR RD, MARTINEZ, CA 94553-1405

Mortgage

Document Number	0000320012
Date	Nov 18, 2021
Instrument	2021-320012

Lender

Name	LAKEVIEW COMMUNITY CAPITAL LLC
Type	Mortgage Company
Address	HORSHAM, PA 19044

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	352 Months
Due	Mar 01, 2051

June 2021: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 02, 2021
Property Address	4285 ARTHUR RD, MARTINEZ, CA 94553-1405
Document Number	0000161903
Instrument Date	May 27, 2021
Instrument	2021-161903
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	CHICAGO TITLE COMPANY

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
Address	PO BOX 2446, MARTINEZ, CA 94553-7446

June 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 02, 2021
Property Address	4285 ARTHUR RD, MARTINEZ, CA 94553-1405
Document Number	0000161904
Instrument Date	May 27, 2021
Instrument	2021-161904
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	4285 ARTHUR RD, MARTINEZ, CA 94553-1405

Mortgage

Document Number	0000161905
Date	Jun 02, 2021
Instrument	2021-161905

Lender

Name	NATIONWIDE MORTGAGE BANKERS INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 01, 2051

August 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 29, 2017
Property Address	4285 ARTHUR RD, MARTINEZ, CA 94553-1405
Document Number	0000157165
Map Reference	MB25 PG830&619
Instrument Date	Aug 21, 2017
Instrument	2017-157165
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	LAWYERS TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	4285 ARTHUR RD, MARTINEZ, CA 94553-1405

Mortgage

Document Number	0000157166
Date	Aug 29, 2017
Instrument	2017-157166

Lender

Name	AMERICAN PACIFIC MORTGAGE
Type	Mortgage Company
Address	ROSEVILLE, CA 95661

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 01, 2047

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

Year	Tax Bill	Assessed Value
2026		$129,380 (+2%) Land $18,668 Building $110,712
2025	$2,536.00 (-78.59%) Homeowner's exemption	$126,844 (-86.82%) Land $18,302 Building $108,542
2023	$11,846.00 (+1.75%) Homeowner's exemption	$962,370 Land $442,170 Building $520,200
2022	$11,642.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133200011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1998, rainfall accumulation

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 497 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Unwired	Fixed Wireless	300 / 25
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20

May also be available at this address: AT&T, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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