| Main Office | (845) 807-0261 Fax: (845) 791-8462 |
| Official Mailing Address | Sullivan County Division of Public Works 100 North St. P.O. Box 5012 Monticello, NY 12701 |
| Commissioner | Robert A. Meyer, P.E. | (845) 807-0267 |
| Executive Secretary to Commissioner | Darlene Haas | (845) 807-0267 |
| Deputy Commissioner / Engineering | Edward P. McAndrew, P.E. | (845) 807-0261 |
| Deputy Commissioner / Operations | | |
| Road Maintenance Superintendent | Tom Donnelly | (845) 807-0296 |
| Facilities Superintendent | Desi Wisniski | (845) 807-0303 Fax: (845) 796-4540 |
| Garage Superintendent | Glenn Darling | (845) 807-0304 Fax: (845) 796-4540 |
| Airport Superintendent | Michael Mullen | (845) 807-0273 |
Director of Parks, Recreation & Beautification Programs | Kristin Porter | (845) 807-0261 |
| Fiscal Administrative Officer | Melissa DeMarmels | (845) 807-0269 |
| Landfill & Transfer Stations | John Kehlenbeck | (845) 807-0290 Fax: (845) 791-8422 |
| Recycling Coordinator | Bill Cutler | (845) 807-0290 Fax: (845) 791-8422 |
| Director of Weights & Measures | Jerry Smith | (845) 807-0284 Fax: (845) 791-8462 |