Businesses in Martinez, California

As of October 16, 2026, ListRiver's records show 2,609 active registered businesses in Martinez, California. 56% are LLCs. 1 were formed in September 2026.

From official California registry records, updated weekly. Most Martinez businesses are in Contra Costa County. Look up a California business by name.

Businesses on record
2,609
Formed in the last 12 months
216
Formed in September
1
With a registered agent
98%
2,560 records

New Martinez businesses per month

0200400Oct 2024: 0Oct 24Nov 2024: 0Dec 2024: 5Jan 2025: 3132025Feb 2025: 1Mar 2025: 1Apr 2025: 0May 2025: 1Jun 2025: 1Jul 2025: 1Aug 2025: 0Sep 2025: 1Oct 2025: 1Nov 2025: 0Dec 2025: 1Jan 2026: 1972026Feb 2026: 1Mar 2026: 2Apr 2026: 0May 2026: 1Jun 2026: 3Jul 2026: 1Aug 2026: 8Sep 2026: 1

Businesses on record by formation month, through September 2026. Monthly California new-business reports · Get the list of 1 new businesses formed in September 2026

Entity types

  • LLCs1,472 · 56%
  • Corporations773 · 30%
  • Other311 · 12%
  • Limited partnerships53 · 2%

Top ZIP codes

Newest business names registered in Martinez

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BusinessCityTypeFormed
Name hiddenMartinezLLCSep 2026
Name hiddenMartinezLLCAug 2026
Name hiddenMartinezLLCAug 2026
Name hiddenMartinezLLCAug 2026
Name hiddenMartinezCorporationAug 2026
Name hiddenMartinezLLCAug 2026
Name hiddenMartinezOtherAug 2026
Name hiddenMartinezLLCAug 2026
Name hiddenMartinezLLCAug 2026
Name hiddenMartinezLLCJul 2026
Name hiddenMartinezLLCJun 2026
Name hiddenMartinezLLCJun 2026
Name hiddenMartinezLLCJun 2026
Name hiddenMartinezLLCMay 2026
Name hiddenMartinezLLCMar 2026
Name hiddenMartinezLLCMar 2026
Name hiddenMartinezLLCFeb 2026
Name hiddenMartinezLLCJan 2026
Name hiddenMartinezLLCJan 2026
Name hiddenMartinezLLCJan 2026
Name hiddenMartinezLLCJan 2026
Name hiddenMartinezLLCJan 2026
Name hiddenMartinezLLCJan 2026
Name hiddenMartinezLLCJan 2026
Name hiddenMartinezLLCJan 2026

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Common questions about Martinez businesses

How many businesses are registered in Martinez, California?

ListRiver has 2,609 active registered businesses in Martinez, California on record as of October 16, 2026, from official California business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Martinez, California in September 2026?

1 businesses on record in Martinez, California were formed in September 2026.

How many new businesses opened in Martinez, California in the last 12 months?

216 businesses on record in Martinez, California were formed in the 12 months through September 2026.

What is the most common type of business in Martinez, California?

LLCs are the most common: 1,472 of 2,609 businesses on record (56%), followed by Corporations with 773 (30%).

Where does this data come from?

From California's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in Martinez, California?

Use ListRiver's list builder to filter Martinez, California businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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About this data

Counts come from official California business registry records on file with ListRiver, current as of October 16, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.