Businesses in Colusa County, California

As of October 5, 2026, ListRiver's records show 1,132 active registered businesses in Colusa County, California. 58% are LLCs.

From official California registry records, updated weekly. Look up a California business by name.

Businesses on record
1,132
Formed in the last 12 months
78
Formed in September
0
With a registered agent
100%
1,128 records

New Colusa County businesses per month

050100Oct 2024: 0Oct 24Nov 2024: 0Dec 2024: 0Jan 2025: 842025Feb 2025: 0Mar 2025: 1Apr 2025: 0May 2025: 0Jun 2025: 0Jul 2025: 0Aug 2025: 0Sep 2025: 3Oct 2025: 0Nov 2025: 0Dec 2025: 1Jan 2026: 712026Feb 2026: 0Mar 2026: 0Apr 2026: 1May 2026: 3Jun 2026: 0Jul 2026: 0Aug 2026: 2Sep 2026: 0

Businesses on record by formation month, through September 2026. Monthly California new-business reports

Entity types

  • LLCs660 · 58%
  • Corporations306 · 27%
  • Other122 · 11%
  • Limited partnerships44 · 4%

Top cities

Top ZIP codes

Newest business names registered in Colusa County

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BusinessCityTypeFormed
Name hiddenArbuckleLLCAug 2026
Name hiddenColusaLLCAug 2026
Name hiddenArbuckleLLCMay 2026
Name hiddenArbuckleLLCMay 2026
Name hiddenArbuckleCorporationMay 2026
Name hiddenColusaCorporationApr 2026
Name hiddenArbuckleLLCJan 2026
Name hiddenArbuckleLLCJan 2026
Name hiddenArbuckleLLCJan 2026
Name hiddenMaxwellLLCJan 2026
Name hiddenCollege CityCorporationJan 2026
Name hiddenColusaCorporationJan 2026
Name hiddenArbuckleLLCJan 2026
Name hiddenArbuckleOtherJan 2026
Name hiddenWilliamsOtherJan 2026
Name hiddenArbuckleLLCJan 2026
Name hiddenColusaLLCJan 2026
Name hiddenColusaLLCJan 2026
Name hiddenWilliamsCorporationJan 2026
Name hiddenArbuckleLLCJan 2026
Name hiddenWilliamsLLCJan 2026
Name hiddenWilliamsLLCJan 2026
Name hiddenArbuckleLLCJan 2026
Name hiddenWilliamsLLCJan 2026
Name hiddenArbuckleLLCJan 2026

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Common questions about Colusa County businesses

How many businesses are registered in Colusa County, California?

ListRiver has 1,132 active registered businesses in Colusa County, 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 Colusa County, California in September 2026?

0 businesses on record in Colusa County, California were formed in September 2026.

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

78 businesses on record in Colusa County, California were formed in the 12 months through September 2026.

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

LLCs are the most common: 660 of 1,132 businesses on record (58%), followed by Corporations with 306 (27%).

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 Colusa County, California?

Use ListRiver's list builder to filter Colusa County, 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.