Culhane Premier Properties is now Cornerstone Partners Realty We are a real estate sales company focusing on Homes, Ranches and Waterfront property. We have an extensive and professional Land & Ranch division, a Waterfront division, and a Project Marketing division working on builder and developer sales, currently from 27 units to 213 units. It is because of our high-quality, professional people that we are able to perform in these niches at a high level. That is really what separates us from the traditional real estate agencies.