According to our records, this business is located at 662 Arimo Ave. in Oakland (in Alameda County), California 94610, the location GPS coordinates are: 37.815244 (latitude), -122.236831 (longitude). Callahan Design Group is categorized under Hand Painted Textiles (SIC code 7389). Known organization owner is Nancy Callahan. Current estimates show that the unit has a sales volume of $94,000 and staff of approximately 1 worker. You can contact the company by phone at (510) 547-8000.