515 Arch St, Martinez, CA 94553 Property Records

Contra Costa County property record for 515 Arch St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,243 sqft · built 1927
Lot Size	0.087 acres (3,780 sqft)
Owner	2 Individual Names on File
Last Sale	$159,000 (Jun 1998)
Tax Bill	$3,857 (2025)
Flood Zone	Zone AO (high risk)
APN	`372-211-004`

Property Details

APN / Parcel Number

Primary APN	`372-211-004`
Alternative APN	`372-211-004-0`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,243 sqft Living Area
1st Floor Area	1,243 sqft

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1940
Lot Area	3,780 sqft (0.087 acres)
Garage Type	Attached
Garage Area	220 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	515 ARCH ST
City	MARTINEZ
State	CA
Zip	94553-3240
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	HIGGINS TRACT LOT 7
Legal Subdivision	HIGGINS
Legal Lot Number	7
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3003
Census Tract	318000

Owner

Source: Contra Costa County records · APN 372-211-004

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	515 ARCH ST, MARTINEZ, CA 94553-3240
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 11, 1998 · Amount on Record
Deed Sale	Jun 11, 1998 · Amount on Record
Deed Document Number	1998132023
Record Updated	Sep 20, 2026

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		$258,932 (+2%) Land $127,025 Building $131,907
2025	$3,857.00 (+6.52%) Homeowner's exemption	$253,856 (+4.04%) Land $124,535 Building $129,321
2023	$3,621.00 (+1.57%) Homeowner's exemption	$244,000 Land $119,700 Building $124,300
2022	$3,565.00

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 060133180003, 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 AO sheet flow 1–3 ft
Special Flood Hazard Area	Yes
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required (federally backed mortgages)
Flood Insurance Cost	Premium on Record median of 109 individual NFIP policies nearby
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 Storm	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 44% of the US · above 26% of California
Wildfire Likelihood	About 1 in 1,316 per year
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, availability as of December 31, 2025 · Published October 2026 · based on 358 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 250
Radiate Holdings	Fiber	1,500 / 1,500
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20
AT&T	Fixed Wireless	100 / 20
AT&T	DSL	100 / 20

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