Where is Plenty based? Elaine October 03, 2018 00:02 Updated Follow Our HQ is right next to our first farm in South San Francisco, CA. We also have a farms in Seattle, WA and Laramie, WY. Related articles When was Plenty founded? How many people does a Plenty farm employ? How many people work at Plenty? When will Plenty be available in my city? Where is Plenty building the next farm? Comments 0 comments Article is closed for comments.