Habitat for Humanity of Merced County will hold a volunteer orientation at 7 p.m. today at 2916 N. McKee Road. Volunteers can be from any church and areas of need will be discussed. Board members and committee members also are needed. Call (209) 769-1884 for details. Volunteers are working at 195 S. T St. today, Thursday and Saturday from 8 a.m. to noon. For more information, call (209) 723-2371.