Businesses in Los Osos, California

As of October 12, 2026, ListRiver's records show 647 active registered businesses in Los Osos, California. 54% are LLCs. 1 were formed in September 2026.

From official California registry records, updated weekly. Most Los Osos businesses are in San Luis Obispo County. Look up a California business by name.

Businesses on record

647

Formed in the last 12 months

Formed in September

With a registered agent

98%

633 records

New Los Osos businesses per month

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

LLCs350 · 54%
Corporations187 · 29%
Other96 · 15%
Limited partnerships14 · 2%

Top ZIP codes

ZIP 93402643 · 99%
ZIP 934122 · 0%
ZIP 944021 · 0%
ZIP 934061 · 0%

Newest business names registered in Los Osos

Get all 647 Los Osos businesses · see price Just the 2 formed in the last 90 days · see price

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

Business	City	Type	Formed
Name hidden	Los Osos	LLC	Sep 2026
Name hidden	Los Osos	Corporation	Aug 2026
Name hidden	Los Osos	LLC	Jul 2026
Name hidden	Los Osos	Corporation	Mar 2026
Name hidden	Los Osos	Corporation	Feb 2026
Name hidden	Los Osos	Corporation	Feb 2026
Name hidden	Los Osos	Other	Jan 2026
Name hidden	Los Osos	Other	Jan 2026
Name hidden	Los Osos	Other	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	Other	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	Corporation	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	Corporation	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026
Name hidden	Los Osos	LLC	Jan 2026

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Common questions about Los Osos businesses

How many businesses are registered in Los Osos, California?

ListRiver has 647 active registered businesses in Los Osos, California on record as of October 12, 2026, from official California business registry data. Dissolved and defunct businesses are not counted.

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

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

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

43 businesses on record in Los Osos, California were formed in the 12 months through September 2026.

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

LLCs are the most common: 350 of 647 businesses on record (54%), followed by Corporations with 187 (29%).

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 Los Osos, California?

Use ListRiver's list builder to filter Los Osos, 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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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/california/los-osos" title="New businesses in Los Osos, California by month" width="100%" height="370" style="border:0" loading="lazy"></iframe><p style="font:13px sans-serif;margin:4px 0 0">Source: <a href="https://listriver.com/business-lists/california/los-osos">Businesses in Los Osos, California</a>, ListRiver</p></div>

About this data

Counts come from official California business registry records on file with ListRiver, current as of October 12, 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.