O'Fallon Brewery
O'Fallon Brewery is a Missouri craft brewery known for its seasonal pumpkin beers and flagship ales.
Last updated September 27, 2026
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Overview
O'Fallon Brewery is an American craft brewery based in O'Fallon, Missouri. Founded in 2000 by Tony Caradonna, the brewery began as a small operation and grew into a regional producer of seasonal and year-round craft beers. Its portfolio includes a range of styles, from pumpkin ales to IPAs and golden ales, with a particular emphasis on seasonal offerings. The brewery's most popular seasonal beer is its O'Fallon Pumpkin Beer, brewed with real pumpkin and spices like cinnamon, nutmeg, and clove, which the company describes as "Pumpkin Pie in a Bottle." A vanilla variant, O'Fallon Vanilla Pumpkin Beer, uses cold-pressed Madagascar vanilla. Among its flagship spring beverages are Knotty Pretzel Beer, a light golden ale with toasted bready notes and a touch of salt, and 5 Day IPA, one of its original flagship beers. The brewery distributes primarily in the United States and operates as a private company. Its official website highlights its seasonal collections and brewing philosophy, emphasizing quality and craftsmanship.
History
O'Fallon Brewery was founded in 2000 in O'Fallon, Missouri, by Tony Caradonna. It started as a small craft brewery and gradually expanded its distribution across Missouri and neighboring states. The brewery gained recognition for its seasonal pumpkin beer, which became a flagship product. Over the years, it introduced various year-round and seasonal offerings, including the 5 Day IPA and Knotty Pretzel Beer. The brewery has maintained a focus on quality and innovation, using real ingredients like fresh pumpkin and Madagascar vanilla in its seasonal brews. As of the 2020s, it remains an independent private company operating in the competitive American craft beer market.
- 2000
Founded by Tony Caradonna in O'Fallon, Missouri.
Introduced O'Fallon Pumpkin Beer, which became its most popular seasonal offering.
Launched O'Fallon Vanilla Pumpkin Beer using cold-pressed Madagascar vanilla.
Released Knotty Pretzel Beer as a flagship spring beverage.
5 Day IPA remains one of its original flagship beers.
Products and positioning
Premium craft brewery specializing in seasonal and innovative beer styles.
O'Fallon Pumpkin Beer
Seasonal pumpkin ale brewed with real pumpkin, cinnamon, nutmeg, and clove. ABV 5.6%, IBU 11.
O'Fallon Vanilla Pumpkin Beer
Pumpkin ale with cold-pressed Madagascar vanilla. ABV 5.6%, IBU 11.
Knotty Pretzel Beer
Light golden ale with toasted bready notes and a touch of salt. ABV 5.3%, IBU 15.
5 Day IPA
Original flagship IPA with a balanced malty profile. ABV 6.1%, IBU 60.
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