Landmark centerpiece of the âThree Sistersâ mansions, presiding over spectacular views of Downtown, the harbor, Point Loma, sunsets, and beyond, this 1912 architectural masterpiece embodies the essence of old world craftsmanship richly updated with integrity to its heritage. One of the most prominent properties in San Diego, 3030 State is a rare opportunity to own something most people can only envy. Ron May said Mills Act designation "Positively Probable." XRM 1+2 = apartment. SEE SUPPLEMENT.