The firm takes pride in its ability to successfully market properties providing exceptional, individualized service. We make the ultimate effort to develop a personal relationship, that allows you the highest level of confidentiality and discretion. We believe that all properties deserve individualized attention and will market your property accordingly.

Piping Rock Associates, Inc. is a member of the Long Island Board of Realtors, the Multiple Listing Service of Long Island as well as the New York State and National Boards of Realtors. We are especially proud to be the exclusive Nassau County affiliate of Christie's Great Estates, Inc., a subsidiary of Christie's auction house. Patrick Mackay, President, has been a member of the Board of Advisors of Christie's Great Estates for a number of years. As the local affiliate we are able to offer the unrivaled ability to market properties throughout the United States and the world.

Piping Rock Associates, Inc. believes that it is important for a buyer or seller to be fully prepared and educated when purchasing or selling a house. If you would like information regarding typical closing costs and issues to discuss with your attorney, please contact our office at the address

Patrick H. Mackay was born on his grandfather's 500+ acre estate, "Harbor Hill." His family sold the property, which is now the village of East Hills and moved to Locust Valley in the mid fifties. Patrick went to Green Vale School, boarding school and college, and then decided to move back to Locust Valley. He became a licensed agent at Piping Rock Associates in 1972 and purchased the firm in 1976 when he was 27 years old.

For the past 37 years Patrick has been involved in the acquisition of other high quality real estate firms with the intention of blending their agents into the Piping Rock mold. He has been extremely successful in matching personalities of agents with buyers and sellers, and also with having the agents remain at the firm during increasingly competitive times.

Patrick is deeply involved in the community, and over the years has been on the boards of numerous charities, various boys and girls clubs, a Brooklyn Charter school, local country clubs, as well as Christie's Great Estates.

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