The Lompico Community Center (LCC) is a nonprofit organization that has dedicated its efforts to making Lompico the best community in all of Santa Cruz County. It is operated by a volunteer board of directors. Every year the LCC members (who are all Lompico residents) volunteer their time, materials and money to improving Lompico. Learn more.

The Lompico Watershed Conservancy is a nonprofit corporation organized as a land trust that protects Lompico Creek for all of its residents. It is operated by a volunteer board of directors. The principle goals of the organization are to place important land parcels in protected status through the use of conservation easements or through purchase, and to carry out restoration projects for native species habitat.

The Loch Lomond Celtic Society is a nonprofit organization whose purpose is to stimulate an appreciation of the Celtic culture and its history in the San Lorenzo Valley. The Loch Lomond Celtic Society embraces all who hold an interest in the heritage, culture, history, music and art of the Celtic nations: Scotland, Ireland, Wales, Brittany, Isle of Man, Cornwall, and Galicia.

The Valley Women's Club is dedicated to community action, awareness and leadership in environmental, educational, social and political concerns which affect the health and welfare of the San Lorenzo Valley and our community.