Sweet Maria’s Coffee Warehouse: A Hub for Green Coffee Enthusiasts in San Francisco

Since its founding in 1997, Sweet Maria’s Coffee Warehouse has been a trusted name in the specialty coffee industry, providing high-quality green coffee beans to home roasters and coffee professionals. With a dedication to sourcing the best unroasted coffee from around the world, Sweet Maria’s is a go-to destination for those who seek freshness, quality, and transparency in their coffee.

Founded by Thompson Owen and Maria Troy, Sweet Maria’s began as a passion project that quickly grew into a renowned coffee-sourcing business. Thompson, an expert in green coffee, evaluates incoming samples, travels to coffee farms worldwide, and curates an exceptional selection of unroasted beans. While Maria has since retired, her contributions to the business helped shape it into the respected company it is today.

Sourcing the Finest Green Coffee from Around the World

At Sweet Maria’s Coffee Warehouse, every green coffee bean is carefully selected through direct relationships with coffee producers. By visiting farms in Latin America, Africa, and Asia, the company ensures that its offerings meet the highest standards of quality, sustainability, and ethical sourcing.

The selection at Sweet Maria’s includes a diverse range of coffee profiles, from bright and fruity Ethiopian beans to rich, full-bodied Sumatran varieties. Each batch is graded and tested for quality, allowing home roasters and coffee businesses to explore unique flavor notes and roast their coffee to perfection.

A Resource for Home Roasters and Coffee Professionals

Sweet Maria’s Coffee Warehouse is more than just a supplier—it’s a resource for those passionate about coffee roasting. Their expertise in green coffee sourcing and extensive knowledge of the roasting process makes them a valuable partner for coffee enthusiasts of all levels.

• Single-Origin Green Coffee – Unroasted beans sourced directly from farms in Ethiopia, Colombia, Guatemala, and more.

• Custom Blends – Hand-selected combinations of green coffee beans designed for balanced and flavorful roasting.

• Educational Resources – Guides on roasting techniques, coffee grading, and the science behind coffee processing.

With a commitment to education and transparency, Sweet Maria’s provides coffee lovers with the tools they need to create the perfect roast at home or in a professional setting.

A Legacy of Quality and Passion for Coffee

For over two decades, Sweet Maria’s has played a crucial role in shaping the home roasting movement in the U.S. By making high-quality green coffee accessible and providing in-depth knowledge on the roasting process, they have empowered coffee lovers to take control of their coffee experience.

Whether you’re a seasoned roaster looking for rare single-origin beans or a beginner eager to explore the art of coffee roasting, Sweet Maria’s Coffee Warehouse offers an unmatched selection and expertise.