Brewery Profile

Metabolic Brewing Co.

A visitor arriving at this Ontario brewery encounters a taproom shaped by a science and science-fiction theme rather than a generic neighborhood-bar look. The concept influences both the visual setting and the way the brewery presents itself, including its naming conventions. In the city’s beer scene, that gives Metabolic Brewing Co. a defined identity: it is a place where the atmosphere is part of the visit, not just a backdrop for ordering a pint. The brewery was established by Fresko and Kathryn Fresquez, a husband-and-wife ownership team whose professional histories sit partly outside the brewing world. Fresko previously worked in Respiratory Therapy before moving into brewing through several roles at a local brewery, while Kathryn’s background is in Nursing.

Travelers moving through this part of Southern California often use brewery visits as flexible stops: a place to sample what is pouring that day, compare local interpretations of familiar craft beer categories, or spend an hour in a casual setting between other plans. Metabolic fits that pattern while adding a more specific point of interest for visitors who like themed taprooms or breweries with an unusual organizing idea. The science and science-fiction framework is the clearest known through-line, so it is best understood as a brewery whose personality comes from concept and setting as much as from any one listed beer. Specific house styles, core beers, and seasonal offerings are not confirmed here, so visitors should treat the draft list as something to check directly.

For practical planning, the taproom is the place to confirm the day’s pours, current hours, and any service details that may change. Publicly confirmed amenities beyond the taproom itself are not part of the available information, so travelers should avoid assuming food service, outdoor seating, events, reservations, or family- and dog-related policies without checking ahead. The same applies to packaged beer availability and to-go options. A visit is most straightforward for someone already in Ontario or passing through the area who wants a local craft beer stop with a defined visual and naming theme. If the science-fiction angle is part of the draw, allow enough time to look around rather than treating it only as a quick pickup point.

Metabolic Brewing Co., located in Ontario, California, operates under a distinct science and science-fiction thematic umbrella. Established by the husband-and-wife team Fresko and Kathryn Fresquez, the brewery reflects their diverse professional backgrounds. Fresko, who previously worked in Respiratory Therapy, transitioned into the brewing industry after gaining experience in various roles at a local brewery. Kathryn maintains a background in Nursing, contributing to the ownership structure. The thematic focus influences the naming conventions and taproom aesthetic, differentiating it within the local market.

Website available

1609 S Grove Ave unit 109, Ontario, CA 91761, USA, Ontario, California, 91761

Website: http://www.metabolicbrewing.com/

Hours: Sunday: CLOSED Monday: CLOSED Tuesday: CLOSED Wednesday: 5 PM – 11 PM Thursday: 5 PM – 11 PM Friday: 5 PM – 12 PM Saturday: 1 PM – 12 PM CHINO: COMING SOON

Popular Beers

A quick look at notable pours currently tied to Metabolic Brewing Co..

Beer Styles at Metabolic Brewing Co.

Metabolic Brewing Co. brews across a range of styles. The current lineup includes MÄRZEN LAGER, GERMAN PILSNER, BRUT DIPA, SMASH PALE ALE, HAZY IPA, BLACKCURRANT AMBER LAGER ON NITRO, and West Coast IPA. Specific pours rotate over time — check the taproom board on the day of your visit for what is currently available on tap.

Upcoming Events

Upcoming public events currently attached to this brewery.

  • Trivia Night at Ontario Location

    Aug 26, 2026

    Test your knowledge every Thursday with Tipzy Entertainment's Trivia night at our Ontario location. Gather your team and compete for prizes!

  • Weekly Trivia at Ontario Location

    Aug 27, 2026

    Every Thursday, challenge your knowledge with trivia nights hosted by Tipzy Entertainment at our Ontario location. Great prizes and great beer await!

  • Trivia Night at Metabolic Brewing Ontario

    Aug 27, 2026

    Test your knowledge every Thursday with Tipzy Entertainment's trivia night at our Ontario location. Bring your friends and have fun while enjoying great beer starting at 6 PM.

  • Friday Live Music at Ontario Location

    Aug 27, 2026

    Enjoy live music every Friday at our Ontario taproom. Experience great performances alongside our crafted beers for a perfect night out.

  • Live Music Friday at Ontario Location

    Aug 27, 2026

    Enjoy live music every Friday at our Ontario location. Details for upcoming performers will be announced soon. Come for the tunes and stay for the craft beer.

  • Live Music at Ontario Location - Friday

    Aug 28, 2026

    Enjoy live music every Friday at our Ontario location. The lineup is being finalized, but it’s a great way to unwind and enjoy great tunes with friends.

  • Saturday Live Music at Ontario Location

    Aug 28, 2026

    Join us every Saturday for live music at the Ontario location. Unwind with friends and the best brews to set your weekend right.

  • Live Music Saturday at Ontario Location

    Aug 28, 2026

    Join us every Saturday night for live music at our Ontario location. A great way to spend the evening with friends and amazing craft beer.

  • Sunday Game Night at Ontario Location

    Aug 29, 2026

    Cap your weekend with Game Night every Sunday hosted by Tipzy Entertainment at our Ontario location. Enjoy games, laughs, and local craft beers.

  • Weekly Karaoke at Ontario Location

    Sep 1, 2026

    Join us every Wednesday at our Ontario location for karaoke hosted by Tipzy Entertainment. Bring your voice and enjoy a fun night out with friends and fellow beer lovers.

Frequently Asked Questions

Where is Metabolic Brewing Co. located?
Metabolic Brewing Co. is located at 1609 S Grove Ave unit 109, Ontario, CA 91761, USA, Ontario, California, 91761. Use the map and directions on this page to plan your visit.
What are Metabolic Brewing Co.'s hours?
Current hours are: Sunday: CLOSED Monday: CLOSED Tuesday: CLOSED Wednesday: 5 PM – 11 PM Thursday: 5 PM – 11 PM Friday: 5 PM – 12 PM Saturday: 1 PM – 12 PM CHINO: COMING SOON. Hours can change on holidays and during private events — call ahead if your visit is time-sensitive.
How can I learn more about Metabolic Brewing Co.?
Visit http://www.metabolicbrewing.com/ for the brewery's own information about beers, events, and operations. Beer.Social aggregates public data and visitor-facing details to help with planning a stop.