Businesses in Pittsburg, California

As of October 5, 2026, ListRiver's records show 3,775 active registered businesses in Pittsburg, California. 65% are LLCs. 1 were formed in September 2026.

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

Businesses on record
3,775
Formed in the last 12 months
367
Formed in September
1
With a registered agent
98%
3,698 records

New Pittsburg businesses per month

0300600Oct 2024: 2Oct 24Nov 2024: 0Dec 2024: 1Jan 2025: 5152025Feb 2025: 1Mar 2025: 3Apr 2025: 0May 2025: 3Jun 2025: 2Jul 2025: 1Aug 2025: 3Sep 2025: 3Oct 2025: 4Nov 2025: 0Dec 2025: 0Jan 2026: 3152026Feb 2026: 1Mar 2026: 2Apr 2026: 0May 2026: 2Jun 2026: 1Jul 2026: 0Aug 2026: 41Sep 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

  • LLCs2,450 · 65%
  • Corporations864 · 23%
  • Other442 · 12%
  • Limited partnerships19 · 1%

Top ZIP codes

Newest business names registered in Pittsburg

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BusinessCityTypeFormed
Name hiddenPittsburgLLCSep 2026
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Name hiddenPittsburgCorporationAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026
Name hiddenPittsburgLLCAug 2026

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Common questions about Pittsburg businesses

How many businesses are registered in Pittsburg, California?

ListRiver has 3,775 active registered businesses in Pittsburg, California on record as of October 5, 2026, from official California business registry data. Dissolved and defunct businesses are not counted.

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

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

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

367 businesses on record in Pittsburg, California were formed in the 12 months through September 2026.

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

LLCs are the most common: 2,450 of 3,775 businesses on record (65%), followed by Corporations with 864 (23%).

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 Pittsburg, California?

Use ListRiver's list builder to filter Pittsburg, 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 5, 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.