Kappel & Kappel Realtors 1285 Stratford Ave, Dixon, CA95620 Voted No. 1 for five years in a row in Solano County, Kappel & Kappel Realtors is owned by a husband and wife who…More are longtime Vacaville residents and train their agents personally. Kappel & Kappel, which serves Solano and Yolo counties, sponsors many youth sports teams locally. There are four locations: Vacaville, Fairfield, Sacramento and Dixon. Dixon's office is located at 1285 Stratford Ave, Suite C.