520 Arch St, Martinez, CA 94553 Property Records

Contra Costa County property record for 520 Arch St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,919 sqft · built 1927
Lot Size	0.103 acres (4,500 sqft)
Owner	Individual Name on Record
Tax Bill	$1,663 (2025)
Deeds & Mortgages	Jun 2020 Mortgage Jan 2017 Mortgage
Flood Zone	Zone A (high risk)
APN	`372-212-009-8`

Property Details

APN / Parcel Number

Primary APN	`372-212-009-8`
Alternative APN	`372-212-009`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,919 sqft Living Area
1st Floor Area	1,149 sqft
2nd Floor Area	770 sqft

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1940
Lot Area	4,500 sqft (0.103 acres)
Garage Type	Attached
Garage Area	288 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	520 ARCH ST
City	MARTINEZ
State	CA
Zip	94553-3241
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	HIGGENS TRACT LOT 13
Legal Subdivision	HIGGINS
Legal Lot Number	13
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3004
Census Tract	318000

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	Individual Name on Record
Mailing Address	520 ARCH ST, MARTINEZ, CA 94553-3241
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Deeds, Mortgages & Sale History

Date	Document
Jun 16, 2020	Deed of Trust, Mortgage · VA Mortgage SOVEREIGN LNDG
Jan 25, 2017	Deed of Trust, Mortgage · VA Mortgage SOVEREIGN LNDG

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Sep 30, 2002
Transfer Doc	0000361605
Record Updated	Sep 20, 2026

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	520 ARCH ST, MARTINEZ, CA 94553-3241
Document Number	0000168257
Instrument Date	Jun 16, 2020
Transaction Type	Mortgage
Record Updated	Sep 1, 2020
Title Company	UNISOURCE TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	520 ARCH ST MARTINEZ CA 945533241, MARTINEZ, CA 94553-3241

Mortgage

Document Number	0000168257
Date	Aug 12, 2020
Instrument	168257

Lender

Name	SOVEREIGN LNDG
Address	COSTA MESA, CA 92626

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 11, 2050

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	520 ARCH ST, MARTINEZ, CA 94553-3241
Document Number	0000020281
Instrument Date	Jan 25, 2017
Transaction Type	Mortgage
Record Updated	Feb 7, 2017
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	520 ARCH ST MARTINEZ CA 945533241, MARTINEZ, CA 94553-3241

Mortgage

Document Number	0000020281
Date	Feb 1, 2017
Instrument	20281

Lender

Name	SOVEREIGN LNDG
Address	COSTA MESA, CA 92626

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 31, 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
Municipality	Martinez City
Unified School District	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$68,162 (+2%) Land $20,566 Building $47,596
2025	$1,663.00 (+6.6%) Homeowner's exemption	$66,826 (+4.04%) Land $20,163 Building $46,663
2023	$1,560.00 (+1.3%) Homeowner's exemption	$64,233 Land $19,381 Building $44,852
2022	$1,540.00

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 A high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Not determined for this zone
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 109 policies
Nearby Flood Policies	109 in force
Nearby Flood Claims	32 (1980–2019)
Claims Outside the SFHA	3 of 32
Most Recent Claim	Feb 2019
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 12 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 6 claims

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	Moderate above 43% of the US · lower than 74% of California
Wildfire Likelihood	0.08% annual chance
Exposure	Direct burnable vegetation

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 MARTINEZ serves 31,015 people · EPA ID CA0710006
Water Source	Purchased surface water from CONTRA COSTA WATER DISTRICT
Last State Inspection	Oct 2025
Lead	Under 1 ppb (2023–2025) 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 358 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Fiber · Cable in parts of the area	1,500 / 1,500
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Unwired.

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