Due to the untimely passing of the Denning Code Enforcement Officer, Karl Von Hassel, we ask for your patience and understanding regarding Code Enforcement / Building Department applications and all other matters pertaining to that Department. We hope to appoint a replacement as soon as possible and apologize for any inconvenience.

About Denning

Denning is located in Ulster County, New York. Named after early landowner, William Denning, it is located in the western part of Ulster county within the Catskill Mountains.

Learn more about the Town of Denning: