4201 Arthur Rd, Martinez, CA 94553 Property Records

Contra Costa County property record for 4201 Arthur Rd, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,283 sqft · built 1954
Lot Size	0.32 acres (13,939 sqft)
Owner	2 Individual Names on Record
Last Sale	$458,000 (Mar 2017)
Tax Bill	$7,301 (2025)
Deeds & Mortgages	Feb 2022 Line of Credit May 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`380-120-042-3`

Property Details

APN / Parcel Number

Primary APN	`380-120-042-3`
Alternative APN	`380-120-042`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,283 sqft Living Area
1st Floor Area	1,283 sqft

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1960
Architectural Style	Contemporary
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	13,939 sqft (0.32 acres)
Lot Dimensions	100 ft deep x 100 ft wide
Garage Type	Detached

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4201 ARTHUR RD
City	MARTINEZ
State	CA
Zip	94553-1405
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
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, as of July 14, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	4201 ARTHUR RD, MARTINEZ, CA 94553-1405
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Feb 4, 2022	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA NA
May 14, 2021	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE AFFINITY LLC
Mar 22, 2017	Grant Deed, Transfer · FHA Mortgage OPES ADVISORS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 22, 2017 · Amount on Record
Deed Sale	Mar 22, 2017 · Amount on Record
Prior Sale	Sep 1, 2006 · Amount on Record
Deed Document Number	201749206
Prior Transfer Date	May 1, 1998
Prior Transfer Doc	0000187071
Record Updated	Oct 29, 2026

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4201 ARTHUR RD, MARTINEZ, CA 94553-1405
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	WFG LENDER SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4201 ARTHUR RD, MARTINEZ, CA 94553-1405

Mortgage

Document Number	0000022430
Date	Feb 4, 2022
Instrument	2022-022430

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4201 ARTHUR RD, MARTINEZ, CA 94553-1405
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4201 ARTHUR RD, MARTINEZ, CA 94553-1405

Mortgage

Document Number	0000144713
Date	May 14, 2021
Instrument	2021-144713

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

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

March 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 22, 2017
Property Address	4201 ARTHUR RD, MARTINEZ, CA 94553-1405
Document Number	0000049206
Instrument Date	Mar 10, 2017
Instrument	49206
Transaction Type	Transfer
Record Updated	Mar 29, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$503.80
Amount Accuracy	Full Value
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4201 ARTHUR RD MARTINEZ CA 945531405, MARTINEZ, CA 94553-1405

Mortgage

Document Number	49207
Date	Mar 22, 2017
Instrument	49207

Lender

Name	OPES ADVISORS
Address	CUPERTINO, CA 95014

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 21, 2047

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	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$542,172 (+2%) Land $390,650 Building $151,522
2025	$7,301.00 (+7.16%)	$531,542 (+4.04%) Land $382,991 Building $148,551
2023	$6,813.00 (+2.65%)	$510,904 Land $368,120 Building $142,784
2022	$6,637.00

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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
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

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 94% of the US · lower than 96% of California
Wildfire Likelihood	0.03% 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	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 497 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband.

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