Award-winning homebuilder Riverside Homes Custom, building homes as unique as you are in Riverside at RiverTown. New St. Johns county homes, nestled quietly on the banks of the St. Johns River, Riverside is an exclusive community that elegantly combines expansive custom homes with stunning preserve views. Are you a boater? Riverside at Rivertown is the perfect place for you, with boat slips available, a short walk from your home. Our estate interior homesites will surround you with the natural beauty you’ve come to expect from St. Johns County. Let Riverside Homes Custom build you a custom home in Riverside at Rivertown. Riverside Homes Custom is the official builder of the Southern Living Idea House.