New Orleans, Louisiana · Specialty Coffee Brand Deep Dive

Mammoth Espresso

IndependentRoasts its own coffeeSourcing: Limited public info

TagsMammoth Espresso Louisiana coffee roasters Independent Roasts in-house

Mammoth Espresso is a boutique specialty coffee shop and roastery located in New Orleans' Warehouse District. Founded in 2016, the business transitioned from a multi-roaster cafe to roasting its own coffee in 2021 to increase economic resilience and provide growth opportunities for its staff. The shop is known for its commitment to quality, precision brewing, and a welcoming atmosphere for coffee enthusiasts.

Ownership

Mammoth Espresso is an independent, family-owned business co-founded and operated by Jonathan and Darlene Riethmaier.

Founded

2016

Roasting

Reported to roast in-house.

What it's known for

Mammoth Espresso is highly regarded for its precision-focused espresso service, high-quality specialty coffee, and its evolution into a respected local roastery.

Farm-level sourcing

The brand emphasizes sourcing from reputable producers and importers that value transparency, though they do not consistently publish specific farm or producer names for all current offerings on their website. They focus on single-origin coffees and seasonal blends, aiming to highlight the unique terroir and characteristics of each coffee.

Sources used in this deep dive

Research disclosure — this profile was compiled from public online sources on 2026-10-21. This company overview is not a tasting review. Original tasting reviews are labeled separately when they exist. Ownership, roasting and sourcing details are attributed to documented sources. While the brand emphasizes transparency in its sourcing philosophy, specific current farm or producer names for their coffee lineup are not explicitly listed on their public website.

Mammoth Espresso

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