Businesses in San Carlos, California

As of October 12, 2026, ListRiver's records show 3,458 active registered businesses in San Carlos, California. 53% are LLCs.

From official California registry records, updated weekly. Most San Carlos businesses are in San Mateo County. Look up a California business by name.

Businesses on record
3,458
Formed in the last 12 months
230
Formed in September
0
With a registered agent
98%
3,387 records

New San Carlos businesses per month

0200400Oct 2024: 0Oct 24Nov 2024: 1Dec 2024: 0Jan 2025: 3492025Feb 2025: 1Mar 2025: 2Apr 2025: 3May 2025: 4Jun 2025: 4Jul 2025: 1Aug 2025: 1Sep 2025: 5Oct 2025: 2Nov 2025: 4Dec 2025: 1Jan 2026: 1952026Feb 2026: 2Mar 2026: 3Apr 2026: 7May 2026: 7Jun 2026: 1Jul 2026: 0Aug 2026: 8Sep 2026: 0

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

Entity types

  • LLCs1,848 · 53%
  • Corporations1,120 · 32%
  • Other338 · 10%
  • Limited partnerships146 · 4%
  • Nonprofits5 · 0%
  • LLPs1 · 0%

Top ZIP codes

Newest business names registered in San Carlos

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BusinessCityTypeFormed
Name hiddenSan CarlosCorporationOct 2026
Name hiddenSan CarlosLLCAug 2026
Name hiddenSan CarlosLLCAug 2026
Name hiddenSan CarlosLLCAug 2026
Name hiddenSan CarlosCorporationAug 2026
Name hiddenSan CarlosLLCAug 2026
Name hiddenSan CarlosLLCAug 2026
Name hiddenSan CarlosLLCAug 2026
Name hiddenSan CarlosCorporationAug 2026
Name hiddenSan CarlosLLCJun 2026
Name hiddenSan CarlosNonprofitMay 2026
Name hiddenSan CarlosLLCMay 2026
Name hiddenSan CarlosCorporationMay 2026
Name hiddenSan CarlosLLCMay 2026
Name hiddenSan CarlosLLCMay 2026
Name hiddenSan CarlosCorporationMay 2026
Name hiddenSan CarlosOtherMay 2026
Name hiddenSan CarlosNonprofitApr 2026
Name hiddenSan CarlosLLCApr 2026
Name hiddenSan CarlosLLCApr 2026
Name hiddenSan CarlosCorporationApr 2026
Name hiddenSan CarlosCorporationApr 2026
Name hiddenSan CarlosLLCApr 2026
Name hiddenSan CarlosLLCApr 2026
Name hiddenSan CarlosCorporationMar 2026

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Common questions about San Carlos businesses

How many businesses are registered in San Carlos, California?

ListRiver has 3,458 active registered businesses in San Carlos, 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 San Carlos, California in September 2026?

0 businesses on record in San Carlos, California were formed in September 2026.

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

230 businesses on record in San Carlos, California were formed in the 12 months through September 2026.

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

LLCs are the most common: 1,848 of 3,458 businesses on record (53%), followed by Corporations with 1,120 (32%).

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 San Carlos, California?

Use ListRiver's list builder to filter San Carlos, 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 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.