The producer
Why it matters.
The historical sourcing relationship between Tomales Bay Oyster Company and Quince traces Pacific oysters to Marshall, California, United States, with oyster aquaculture recorded in the producer profile.
The origin.
The business traces its oyster-growing history to 1909. Heidi Gregory and Cathryn Irving took over in 2017 and continue its floating-farm methods with a long-serving multicultural crew.
Sources & verification
- Inside San Francisco's Michelin Star Dining With Chef Dominique Crenn — Made By Producer Research· Apr 2025
- Producer profile: Tomales Bay Oyster Company — Made By Producer Research· Jul 2026