Nob HIll Nob Hill is an age restricted 55+ Condominium Homeowners Associations in Southern California. Located in Vista and incorporated in 1974 it is made up of 67 attached units on private streets. This is a quiet community that offers amenities such as a swimming pool, spa, clubhouse and shuffleboard court. Nob Hill holds regularly scheduled community events such as monthly coffee meetings and pot lucks. A perfect community for the active senior.