Today san dieguito union, Rancho Santa Fe CA is count around 190 homes for sale at current average listing price of $4,504,299. Nearby neighborhoods of san dieguito union are Covenant, 92024 - Encinitas, 92009 - Carlsbad, Olivenhain, 92067 - Rancho Santa Fe, Fairbanks Ranch, 92091 - Rancho Santa Fe, High Country Villas, La Costa, La Costa Hills. Most of san dieguito union homes are 4 bedrooms with 4 bathrooms.