331 C St, Martinez, CA 94553 Property Records

Contra Costa County property record for 331 C St, Martinez, CA 94553 · Last verified July 2026

Property Highlights

Property Type	Public Works > Federal Property (Exempt)
Bedrooms	4 Beds
Bathrooms	2 Baths
Year Built	Built 1984
Square Footage	2,833 sqft Gross Area
Lot Size	9,500 sqft (0.218 acres)

Primary APN	`372-191-025-9`
Alternative APN	`372-191-025`

Street Address	331 C ST
City	MARTINEZ
State	CA
Zip	94553-3137
Property Usage	Land which may be one of the following: Public spaces (i.e. parks and beaches), public buildings (i.e. schools, hospitals, courthouse), public services (i.e. water treatment, electrical grid/product, dams) Property Usage
Type	Public Works > Federal Property (Exempt)
Legal Description	PCL MAP 145 PG 26 PCL A
Legal Subdivision	TOWN MARTINEZ
Legal Tract	145PM26
Jurisdiction	CONTRA COSTA CA
Minor Civil Division	CENTRAL CONTRA COSTA
Census Blockgroup	2
Census Block	2015
Census Tract	318000

Source: Contra Costa County records · APN 372-191-025-9

Assessment roll updated July 14, 2026 · Last verified July 2026

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Deed Names	Verified Name on Deed
Record Refreshed	Sep 20, 2026

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

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

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

Year	Assessed Value
2026	$612,284 (+6.12%) Land $112,572 Building $499,712
2023	$576,971 Land $106,080 Building $470,891