Businesses in San Leandro, California

As of October 12, 2026, ListRiver's records show 7,062 active registered businesses in San Leandro, California. 56% are LLCs. 1 were formed in September 2026.

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

Businesses on record
7,062
Formed in the last 12 months
511
Formed in September
1
With a registered agent
97%
6,883 records

New San Leandro businesses per month

0400800Oct 2024: 0Oct 24Nov 2024: 4Dec 2024: 3Jan 2025: 7752025Feb 2025: 0Mar 2025: 1Apr 2025: 5May 2025: 3Jun 2025: 1Jul 2025: 2Aug 2025: 6Sep 2025: 2Oct 2025: 2Nov 2025: 1Dec 2025: 2Jan 2026: 4712026Feb 2026: 2Mar 2026: 2Apr 2026: 5May 2026: 4Jun 2026: 5Jul 2026: 1Aug 2026: 15Sep 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

  • LLCs3,924 · 56%
  • Corporations2,158 · 31%
  • Other872 · 12%
  • Limited partnerships105 · 1%
  • Nonprofits3 · 0%

Top ZIP codes

Newest business names registered in San Leandro

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BusinessCityTypeFormed
Name hiddenSan LeandroLLCSep 2026
Name hiddenSan LeandroOtherAug 2026
Name hiddenSan LeandroOtherAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroCorporationAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroCorporationAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCAug 2026
Name hiddenSan LeandroLLCJul 2026
Name hiddenSan LeandroOtherJun 2026
Name hiddenSan LeandroLLCJun 2026
Name hiddenSan LeandroLLCJun 2026
Name hiddenSan LeandroLLCJun 2026
Name hiddenSan LeandroLLCJun 2026
Name hiddenSan LeandroCorporationMay 2026
Name hiddenSan LeandroLLCMay 2026
Name hiddenSan LeandroOtherMay 2026

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Common questions about San Leandro businesses

How many businesses are registered in San Leandro, California?

ListRiver has 7,062 active registered businesses in San Leandro, 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 Leandro, California in September 2026?

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

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

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

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

LLCs are the most common: 3,924 of 7,062 businesses on record (56%), followed by Corporations with 2,158 (31%).

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 Leandro, California?

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