518 Arch St, Martinez, CA 94553 Property Records

Contra Costa County property record for 518 Arch St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,800 sqft · built 1927
Lot Size	0.093 acres (4,050 sqft)
Owner	Company Name on File
Tax Bill	$3,609 (2025)
Deeds & Mortgages	Jun 2018 Transfer
Flood Zone	Zone A (high risk)
APN	`372-212-008`

Property Details

APN / Parcel Number

Primary APN	`372-212-008`
Alternative APN	`372-212-008-0`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,800 sqft Living Area
Gross Area	1,196 sqft
1st Floor Area	1,196 sqft

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1940
Lot Area	4,050 sqft (0.093 acres)
Garage Area	399 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	518 ARCH ST
City	MARTINEZ
State	CA
Zip	94553-3241
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	HIGGINS TRACT LOT 14
Legal Subdivision	HIGGINS
Legal Lot Number	14
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 · APN 372-212-008

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	Company Name on File
Mailing Address	14300 HANSON CIR, MENDOCINO, CA 95460-9732
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Aug 07, 1998
Transfer Doc	0000198450
Record Updated	Sep 20, 2026

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 18, 2018
Property Address	518 ARCH ST, MARTINEZ, CA 94553-3241
Document Number	0000096490
Instrument Date	May 18, 2018
Instrument	96490
Transaction Type	Transfer
Record Updated	Jun 21, 2018

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	518 ARCH ST MARTINEZ CA 945533241, MARTINEZ, CA 94553-3241

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
Municipality	Martinez City
Unified School District	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$199,914 (+2%) Land $71,069 Building $128,845
2025	$3,609.00 (+5.65%)	$195,995 (+4.04%) Land $69,676 Building $126,319
2023	$3,416.00 (-7.33%)	$188,386 Land $66,971 Building $121,415
2022	$3,686.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

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

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 as of December 31, 2025 · Last verified October 2026

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

May also be available: Unwired.

Based on FCC filings for 358 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF MARTINEZ serves 31,015 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.