St. Tammany Parish

Contact Information

Physical Address:
300 Brownswitch Road
Slidell, LA 70458

Mailing Address:
P.O. Box 1189
Slidell, LA 70459

Phone: (985) 726-7777
Fax: (985) 726-7767
Email: Shawn McManus, Director
Website: St. Tammany Parish Sheriff’s Office

Parish Rates

Effective 1/1/2025: **The rate table below includes the tax rate increase in the City of Slidell, effective January 1, 2025.**

Effective 4/1/2023:

Effective 7/1/2018: **The rate table below includes the Louisiana State Rate decrease effective July 1, 2018.**

Effective 4/1/2018:

Effective 1/1/2018:

Effective 1/1/2017 through 12/31/2017:

Effective 1/1/2016 through 12/31/2016:

Office Hours & Holidays

Normal Business Hours: Monday through Friday, 8:00 am to 4:30 pm

Holidays (subject to change each year): New Year’s Day, Martin Luther King Day, Good Friday (Easter), Mardi Gras (Tuesday Only), Memorial Day, Independence Day, Labor Day, Thanksgiving, Day after Thanksgiving, Christmas Eve, Christmas Day

Notices

Effective 1/1/2025:

Effective January 1, 2025, the City of Slidell will increase their tax rate by .38%.

Effective 1/1/2018:

The Parish Government has repealed the sales tax of three quarters of one percent (0.75%) which was associated with the Hwy 1077 Economic Development District, Hwy 1088 Economic Development District, Hwy 434 Economic Development District, Hwy 59 Economic Development District, and Airport Road Economic Development District.  Effective January 1, 2018, the sales tax rate will be four and three quarters percent (4.75%). All sales previously delivered to and reported in the economic development district columns listed above should now be reported in the District 3 column.

Additionally, as governing authority for the Hwy 21 Economic Development District, the St. Tammany Parish Government has returned the boundaries of the district to the original coordinates.  This change will be effective January 1, 2018.  Sales made within the re-established boundaries will remain subject to the rate of five and one half percent (5.50%) and will be reported in the Hwy 21 EDD column (formerly “Nord Du Lac”).

Effective 1/1/2017:

The Parish Government created five (5) economic development districts along I-12. In addition, they extended the boundaries of the existing Nord Du Lac EDD and renamed it to Hwy 21 EDD. Tax rate for all EDD’s is 5.50%. Hwy 21 EDD (fka Nor Du Lac) files in column K, Hwy 59 EDD files in column O, Hwy 1077 EDD files in column P, Hwy 1088 EDD files in column Q, Hwy 434 EDD files in column R, Airport Rd EDD files in column S.

Effective 1/1/2016:

One half of a percent (0.50%) sales tax for the Village of Folsom will be added on January 1, 2016. On January 1, 2016 the rate will increase from 4.75% to 5.25%.

Forms

Multiple Jurisdiction Return (with Instructions): Effective 4/1/2023 (Revised Apr 13, 2023, Updated Oct 30, 2023) (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective 4/1/2023 (Revised Apr 13, 2023, Updated Oct 30, 2023) (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective 4/1/2023 (Updated Oct 30, 2023) (This return is for fixed locations inside St. Tammany)
Multiple Jurisdiction Return (with Instructions): Effective 1/1/2023 (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective 1/1/2023 (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective 1/1/2023 (This return is for fixed locations inside St. Tammany)
Multiple Jurisdiction Return (with Instructions): Effective 4/1/2018 (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective 4/1/2018 (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective 4/1/2018 (This return is for fixed locations inside St. Tammany)
Multiple Jurisdiction Return (with Instructions): Effective 1/1/2018 (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective 1/1/2018 (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective 1/1/2018 (This return is for fixed locations inside St. Tammany)
Multiple Jurisdiction Return (with Instructions): Effective 1/1/2017 through 12/31/2017 (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective 1/1/2017 through 12/31/2017 (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective 1/1/2017 through 12/31/2017 (This return is for fixed locations inside St. Tammany)
Multiple Jurisdiction Return (with Instructions): Effective 1/1/2016 through 12/31/2016 (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective 1/1/2016 through 12/31/2016 (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective 1/1/2016 through 12/31/2016 (This return is for fixed locations inside St. Tammany)
Multiple Jurisdiction Return (with Instructions): Effective 10/1/2015 through 12/31/2015 (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective 10/1/2015 through 12/31/2015 (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective 10/1/2015 through 12/31/2015 (This return is for fixed locations inside St. Tammany)
Multiple Jurisdiction Return (with Instructions): Effective 4/1/2015 through 9/30/2015 (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective 4/1/2015 through 9/30/2015 (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective 4/1/2015 through 9/30/2015 (This return is for fixed locations inside St. Tammany)
Multiple Jurisdiction Return (with Instructions): Effective through 3/31/2015 (This return is for businesses inside or outside St. Tammany who deliver to more than one jurisdiction)
Enhancement Return (with Instructions): Effective through 3/31/2015 (This is a double-sided return for businesses located in special tax enhancement areas inside St. Tammany Parish that make both on-site sales and delivered sales)
Single Jurisdiction Return (with Instructions): Effective through 3/31/2015 (This return is for fixed locations inside St. Tammany)

Parish Sales & Use Tax Ordinances

Please contact the parish for a copy of the sales & use tax ordinances.

Parish Optional Exemptions

Please contact the parish for information regarding optional exemptions.

Audit Information