Today san dieguito union, Rancho Santa Fe CA is count around 134 homes for sale at current average listing price of $4,277,969. Nearby neighborhoods of san dieguito union are 92014 - Del Mar, 92130 - Carmel Valley, Covenant, 92067 - Rancho Santa Fe, 92075 - Solana Beach, 92091 - Rancho Santa Fe, The Bridges, 92024 - Encinitas, Carmel Valley, Del Mar. Most of san dieguito union homes are 4 bedrooms with 4 bathrooms.