Duncan Peak Vineyards actively supports with time, actual service, donations of wine, or direct financial contributions the following community service organizations:

• Mendocino Winegrowers Foundation - Scholarships for farm workers
• Hanna Boy's Center, Sonoma County
• Junior Diabetes Research Foundation
• Edgewood Center for Family and Children
• Children's Hospital and Research Center, Oakland
• East Bay Tumor Institute
• Lawrence Hall of Science
• Monument Crisis Center, Concord
• Contra Costa Food Bank
• Loaves and Fishes Soup kitchen, Concord
• Cancer Research Center, San Ramon
• Tony LaRussa's ARF, Walnut Creek
• Lafayette Library
• Campolindo High School Music
• Campolindo High School Football
• Miramonte High Schoold Sports Programs
• Acalanes High School Sports Programs
• Walnut Creek Aquanuts
• Save Mount Diablo
• California Shakespeare Festival