City Of Tustin
Incorporated in 1927, the City of Tustin is located in central Orange County and encompasses an area of 11.08 square miles. Tustin is bounded on the south by the cities of Irvine and Santa Ana, on the north by the unincorporated portions of the County of Orange and the City of Orange, and on the east by unincorporated County territory and the City of Irvine. Within the context of the larger Southern California region, Tustin is located approximately two miles north of Orange County's John Wayne Airport and is transected by two major regional freeways: the I-5 (Santa Ana) Freeway, divides the City into north and south; and the SR-55 (Costa Mesa) Freeway, divides westerly portions of the City.