Crittenton has served children and adolescents since 1966. The Harbor Campus in Fullerton, California provides a variety of treatment services for up to 40 boys and girls that include: early substance abuse prevention; sexual abuse treatment; anger management and assertion skills programs; and a variety of recreation options including extensive use of expressive therapies.

The campus consists of four residential cottages, a counseling center, media center (set up for arts, crafts, music, and computer labs), and an on-grounds park complete with a vegetable garden, sensory garden, and lots of play equipment. Castle and Brookdale are both 8-bed houses serving boys. Hope Counseling Center provides individual, group and family sessions, along with arts, crafts and fun. Harbor House provides residential treatment for up to 24 girls ages 11-13.

Thanks to the generosity of the community, the campus provides a rich and varied program of recreational activity, art, music, and sports. Volunteers of all ages provide story hours, cookie baking classes, and gardening!