The Foothill Communities Association (FCA) is a nonprofit corporation located in the unincorporated area known as North Tustin, California. The community includes the unincorporated parts of zip code 92705 with postal name Santa Ana and zip code 92780 with postal name Tustin. Since 1964, FCA has strived to preserve and enhance our highly-valued living environment. Over 10,000 homes are within the charter area. North Tustin is the largest unincorporated community in Orange County, California.

The census names the area Tustin Foothills. It is a census-designated place. The population was 24,044 at the 2000 census. It is Orange County’s largest Census Designated Place.

See the list of Directors if you need help with a community issue.