Notice To St. Tammany Parish Property Owners

In accordance with Louisiana Revised Statute 47:1992 A (1)(a), notice is hereby given that the listings of all immovable and movable property in St. Tammany Parish and their respective assessments will be exposed for public inspection and exposure Monday, August 31, 2020 through Tuesday, September 15, 2020. Public inspection will occur during regular office hours, Monday through Friday, from 8:30 a.m. until 4:30 p.m., at the St Tammany Parish Assessor’s Offices, located at 701 N. Columbia Street in the Justice Center in Covington and at 520 Old Spanish Trail, Suite 2F, in the Towers Building in Slidell. The Slidell office is closed weekdays from 1:00 p.m. – 2:00 p.m. for lunch. Because of the COVID-19 crisis, our offices are currently open by advanced appointment only. To make an appointment please email: or call either of our offices: Covington (985) 809-8180 or Slidell (985) 646-1990. Public inspection can be viewed online on our website: under the “Check Your Assessment” tab. 

The assessment list shall be certified to the St. Tammany Parish Board of Review (Parish Council) on Friday, September 18, 2020. The St. Tammany Parish Council shall sit as Board of Review and convene appeal hearings within 10 days, in accordance with the rules and regulations of the Louisiana Tax Commission. Hearings will be held at the Parish Council Chambers located at 21490 Koop Drive in Mandeville.

A REVIEW with the St. Tammany Parish Assessor’s Office must first be filed before any APPEAL is filed with the Board of Review.  

The deadline to file a REVIEW with the Assessor’s Office is Tuesday, September 15, 2020 at 4:30pm. Assessment Review Applications are available online and can be submitted online at or by emailing .  Email or call either of office location listed above with any further REVIEW questions. We are currently open by appointment only.

The deadline to file an APPEAL with the Board of Review is Monday, September 28, 2020 at 4:30 pm. APPEAL Board of Review hearings are to commence on Monday, October 5, 2020. For any APPEAL questions go to: .