About us. For nearly 50 years, Peppercorn has been a locally and family owned and operated retail shop on the Pearl Street Mall in beautiful downtown Boulder Colorado. We specialize in kitchen supplies, housewares, home décor, gifts, gourmet foods, cookbooks and so much more. Peppercorn has been a staple in the Boulder community, and people come to the store for the unique experience. We offer customer service, products and knowledge which cannot...