It is one of the largest master planned developments in the U.S. Several times it has won "Safest City" awards due to its extremely low crime rate. Saddleback College is a local community college. Donald Bren, an urban planner at the Irvine Company created a master plan which placed roads in the valleys and houses on the hills, contoured to the geography of the area. m=Much of the city of Mission Viejo was completed by 1980. The houses and shopping centers in the city are almost uniformly designed in a Spanish mission style, with "adobe"-like stucco walls and barrel-tile roofs. Lake Mission Viejo is a private lake with boating, beaches, and fishing. Many homes and condos are built on the lake.