In 1975, the largest fire in Petaluma's history occurred, causing some destruction to the dairy cooperative, destroying the processing and bottling line along with the cooler.

'Clover Promise of Excellence' is a set of criteria each of Clover Sonoma's family farms must adhere to in the areas of animal welfare, environmental stewardship, and milk quality.

In 2016, Clover Sonoma became a Certified B Corporation,[3] committing to performance assessment in five categories: governance, workers, customers, community, and the environment.

In 2020, Clover Sonoma announced its B Corporation recertification[5] and unveiled the first fully renewable plant-based milk carton[6] in the United States as part of its continued focus on sustainability.

In December 2021, 70% of the shares of Clover Sonoma is acquired by Colombian dairy product company Alpina Productos Alimenticios.

[7] In 1969, Clo the Cow made her debut as the Clover Stornetta mascot when she started appearing on billboards across the Redwood Empire.

Clover Sonoma was the first dairy in the U.S. to become American Humane Certified, requiring adherence to rigorous quality standards.

With its Organic DHA Omega-3 + Choline Milk line, Clover Sonoma took their commitment a step further by partnering with 1% for the Planet to donate a portion of proceeds of the sale of the product to the non-profit Plastic Pollution Coalition.