21st Amendment Brewery Email Format

Food and Beverage ServicesCalifornia, United States11-50 Employees

21st Amendment Brewery is a craft beer producer and brewpub originally established in San Francisco in 2000 by Nico Freccia and Shaun O'Sullivan. Since 2015, its production and tasting operations have been based in San Leandro, California, where most beers are brewed and canned.

The brand offers year-round beers alongside seasonal releases and a small-batch line known as the Insurrection Series, with packaging that features distinctive artwork. It distributes to 28 states and is regarded as one of the top 50 craft breweries in the United States. In April 2026, Evil Genius Beer Company announced its acquisition of the 21st Amendment brand, with reports that the San Francisco brewery shut down the prior year.

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