For those who want a 55+ active adult community in the Austin and Georgetown area on a smaller scale than Sun City Texas, Heritage Oaks offers an intimate age-restricted community in Georgetown. With just wooded lots, Heritage Oaks offers custom built single family homes and a well-equipped amenity center. 55+ / 60+ Active Adult Rental Communities in Austin Say hello to an exciting concept in active adult rental living right here in Austin, Texas! Overture has three new active adult communities coming to the Austin area. Overture Mueller is the first of three. It’s beautiful, brand-new luxury apartment community that has it all for modern. New Active Adult Communities | Senior Communities in Austin Texas TX. Use The New Homes Directory to find new homes, condos, townhomes, new home builders, master planned communities, golf course communities, .