“As District Attorney, I am committed to continuing Warren Montgomery’s legacy of leading an office of true public servants. Your trust we will never betray and justice we will always seek.”
– J. Collin Sims
D.A. Collin Sims 2024 Update:
New Programs & Top Priorities in the 22nd Judicial District
District Attorney Warren Montgomery
January 2015 – November 2023
District Attorney J. Collin Sims
Sworn in November 2023
The partnership that built an office you can trust.
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About Us
Our main office is located on the Second Floor of The St. Tammany Parish Justice Center in downtown Covington. We also have offices in Washington Parish (Franklinton) and Slidell. Our office hours are from 8:00 a.m. to 4:30 p.m. Monday through Friday (for the Misdemeanor Window, you must arrive before 4 p.m.). We follow the holiday schedule of the 22nd Judicial District Court, which closes for all federal and state holidays.
Appointments to meet with the District Attorney or any individual prosecutor may be made directly with that individual. Please understand that prosecutors can arrange meetings only when they are not required to be present in court. All media inquiries should go through our Communications Division. Please see our news page for additional information.
Contact Us
More detailed contact information can be found here.
St. Tammany Parish Office
Criminal Division
701 N. Columbia Street
Covington, LA 70433
Phone: 985-809-8383 Fax: 985-809-8365 Email: communicate@22da.com
Civil Division
21454 Koop Drive, 2G
Mandeville, LA 70448
Telephone: 985-898-3427
Fax: 985-867-5124
Email: communicate@22da.com
Slidell Office
520 Old Spanish Trail
Slidell, LA 70458
Phone: 985-646-4110
Fax: 985-646-4104
Email: communicate@22da.com
Washington Parish Office
Franklinton District Attorney’s Office
905 Pearl Street
Franklinton, LA 70438
Phone: 985-839-6711
Fax: 985-839-7860
Email: communicate@22da.com
News
Bank Robbery Nets Slidell Man 45 Years in Prison
FOR IMMEDIATE RELEASE Bank Robbery Nets Slidell Man 45 Years in Prison July 3, 2025 District Attorney Collin Sims reports that on July 2, 2025, 50-year-old Herbert Davis of Slidell pled guilty to armed robbery with a firearm and was sentenced by Judge Vincent Lobello...
Bogalusa Man Convicted of Murder In Drive-by Shooting Faces Life Sentence
FOR IMMEDIATE RELEASE Bogalusa Man Convicted of Murder In Drive-by Shooting Faces Life Sentence June 29, 2025 District Attorney Collin Sims reports that on June 25, 2025, a Washington Parish jury deliberated for an hour before returning a guilty verdict against...
63-year-old Mandeville Man Convicted of Sexually Assaulting 8-year-old Girl
FOR IMMEDIATE RELEASE 63-year-old Mandeville Man Convicted of Sexually Assaulting 8-year-old Girl June 27, 2025 District Attorney Collin Sims reports that on June 26, 2025, a St. Tammany Parish jury deliberated for less than an hour before finding 63-year-old Oscar...