Please see pages 191-195 (section 15-2354) for the proposed regs to allow accesssory dwelling units and “backyard cottages” –

http://www.fresno.gov/NR/rdonlyres/F3D104E1-F6A2-499F-B6F1-B4852293B172/0/PartIIIRegulationsApplyingtoSomeorAllDistricts.pdf