Tettra Foundation is a registered nonprofit based at 122 15th St #695, Del Mar, CA 92014, operating weekdays from 8 AM to 5 PM. The foundation maintains its administrative office in Del Mar's downtown area near the intersection of 15th Street and Camino Del Mar. As a small nonprofit organization filing under 501(c)(3) status, Tettra Foundation is part of the broader network of charitable organizations that call Del Mar home. The city officially recognizes more than a dozen nonprofit groups that contribute social, recreational, and educational services to residents, and the Del Mar Foundation on nearby 9th Street serves as the community's oldest such organization, managing grant programs that support fellow Del Mar nonprofits. Tettra Foundation's 15th Street location places it within walking distance of Del Mar's village core, where the San Diego County Library – Del Mar Branch provides additional community resources to residents and organizations throughout the area.