RJA Heating and Air proudly serves the following areas and zip codes: Rancho Cordova, Citrus Heights, Carmichael, Fair Oaks, Natomas, North Sacramento, East Sacramento, South Sacramento, Folsom, Orangevale, Gold River, Sacramento, Roseville, Rocklin, West Sacramento, City of Sacramento, Galt, Wilton, El Dorado Hills, Auburn, Granite Bay, Loomis, Placer County, Sacramento County, El Dorado County, Placerville, Diamond Springs, Shingle Springs, Elk Grove, 95608, 95609, 95624, 95638, 95661, 95670, 95678, 95758, 95759, 95691, 95693, 95814, 95815, 95816, 95817, 95818, 95819, 95820, 95821, 95822, 95823, 95824, 95825, 95826, 95831, 95833, 95834, 95838, 95841, 95842, 95864, 95660, 95610, 95628, 95630, 95763