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Scout the DayOneLead fox with a California new business filings stampEvery new California filing, every day
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  3. Mad River

New Businesses Filed in Mad River, CA

1 newly registered businesses tracked in Mad River, California. Browse by category or see the latest filings below.

Updated July 28, 2026 · Most recent filing Jun 24, 2026

1
Total Filings
0
Last 30 Days
1
Categories
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About New Mad River Businesses

Mad River, CA has 1 newly registered businesses in our database. We refresh this page daily as new Mad River companies appear in the California Division of Corporations records.

The most active industries in Mad River are Gourmet Mushroom Farming (1). Use the category list below to narrow the results to a single industry, or scroll down for the most recent filings of any type.

Every entry shows the business name, filing date, and category, plus verified owner and contact information where we have it. The latest Mad River filing was on Jun 24, 2026. You can jump back to the full California view any time to compare Mad River against other markets.

Business Categories

Gourmet Mushroom Farming1
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Recent Filings

Mad Hatter MushroomsVerified
Gourmet Mushroom Farming·Mad River, CA
Jun 24, 2026
Get access to all 1 filings ›

Frequently Asked Questions

How many new businesses are registered in Mad River, CA?

DayOneLead tracks 1 newly registered businesses in Mad River, California.

How fresh is the Mad River business data?

We refresh this page every day from the California Division of Corporations. The latest Mad River filing we recorded was on Jun 24, 2026.

What are the most common new businesses in Mad River?

The most active industries among new Mad River registrations are Gourmet Mushroom Farming. You can filter by any category to narrow the list.

What information is included for each Mad River business?

Each entry shows the business name, filing date, and category, plus a verified owner name, phone, email, and website wherever we can confirm them.

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We’ll match verified Mad River contacts and write an outreach campaign for you to review before anything sends.

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Mad River at a Glance

Total filings1
Categories1
Last 30 days0

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