City of Zachary

City Prosecutor

City Hall

City Prosecutor

David Conachen

City Prosecutor


David Conachen grew up in Baker, La. and graduated in 1991 from Baker High School.  He attended Louisiana State University (LSU) where he received his undergraduate degree and masters in business administration (MBA).  While studying for his MBA, he began his career in real estate, becoming a licensed real estate agent and certified real estate appraiser.  After 10 years in real estate, David attended law school at LSU, receiving his Juris Doctorate and bachelor’s degree in Civil Law in 2009. He has practiced law at The Law Offices of Ossie Brown since 2010, specializing in criminal law and personal injury law.  David, his wife Jodi, and their three children moved to Zachary in 2013 and have become active in the community.

City Prosecutor

L.T. Dupre

Asst. Prosecutor

L.T. Dupre, III has served as an attorney for the City of Zachary in various capacities for over ten years.  In 2020, he was appointed Assistant City Attorney.  As Assistant City Attorney, he is the named attorney for the ABC Board, the Fire & Police Civil Service Board, the Municipal Employees Civil Service Board, and the Planning and Zoning Commission.  He also provides support for (and stands in for) the City Attorney and City Prosecutor, in their absence or unavailability.

L.T. is an honorably discharged veteran of the U.S. Navy, a former master-level teacher and high school coach and graduate of L.S.U. (Bachelor of Science), Southern University (Master of Education) and L.S.U.'s Paul M. Hebert Law Center (Bachelor of Civil Law and Juris Doctorate). 

L.T. married Stacey L. Dupre in 1997 and they have lived in Zachary since.

L.T. was licensed to practice law in 2005 and since then, he has maintained a private practice in Zachary.

Contact Us:
4510 Main Street
Zachary, LA 70791
(225) 570-4644
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Fax #: (225) 654-6569