Town Hall Address 300 N. Holly St. DeQuincy, LA 70633 United States- Calcasieu County Website https://dequincy.org Fire District 337-786-3076 300 N. Holly St. DeQuincy, LA 70633 United States Town Clerk 337-786-8211 300 N. Holly St. DeQuincy, LA 70633 United States Tax Collector 337-786-8211 300 N. Holly St. DeQuincy, LA 70633 United States County Calcasieu