![John Langill, Real Estate Agent at Cowan and Zellers Real Estate in Concord NH](https://cowanandzellers.com/wp-content/uploads/2020/03/john-langill-team.jpg)
John Langill
John Langill became a member of the National Association of Realtors in 1986. He obtained his New Hampshire brokers license in 1987. In September of 1987 John founded Real Estate Stop North, a Concord based real estate brokerage firm specializing in residential home sales and new construction.