Slidell, LA - 2026 Building Permit Guide

Permit Authority

Covers properties within the City of Slidell. Unincorporated St. Tammany Parish remains under parish permitting.

Department

Building Safety, Permits, and Code Enforcement, City of Slidell

Address

250 Bouscaren St., Slidell, LA 70458; mailing address P.O. Box 828, Slidell, LA 70459

Phone

985-646-4323

Email

buildingsafety1@cityofslidell.org

Website

https://myslidell.com/departments/engineering/building-safety-permits-and-code-enforcement/

Online Permit Portal

Application Process

1. Confirm zoning, flood, site, and other development requirements. The city encourages a development meeting before opening a business, occupying a building, or starting development.
2. Create or log into the Tyler EnerGov portal or prepare a hardcopy application.
3. Submit the permit application identifying the work, deed or act of sale, intended use and occupancy, valuation, and detailed construction documents.
4. City staff reviews the application for compliance with building codes, zoning, and ordinances and issues written comments if corrections are needed.
5. Pay permit and plan review fees under Appendix F of the city code.
6. After permit issuance, complete required inspections and obtain certificate of occupancy where applicable.

Typical processing time: Administrative review can be completed in as little as one day or may take a few weeks depending on project complexity, workload, and responsiveness.

Source: Building Safety, Permits, and Code Enforcement, City of Slidell

General Requirements

City code requires a permit before constructing, placing, enlarging, altering, repairing, moving, demolishing, or changing occupancy of a building or structure, and before regulated electrical, gas, mechanical, or plumbing work.

Required Documents

• Written permit application
• Deed or act of sale
• Project description
• Use and occupancy information
• Valuation
• Detailed construction documents
• Any additional data needed to confirm compliance with building and zoning codes

Permit validity

Permits become invalid unless work begins within 180 days of issuance, or if work is suspended or abandoned for more than 180 days after commencement, unless extended in writing.

Building code

The city department page lists the 2021 IBC, 2021 IRC, 2021 IEBC, 2021 IFGC, 2021 IMC, 2021 IPC, 2020 NEC, NFPA 1 and 101, NFPA 13 and 13R, and 2010 ADA standards.

Owner-builder

Public city code allows an owner or authorized agent to apply.

Contractor requirements

Trade and construction work is regulated through the city permit system and Louisiana licensing law.

Fees

Minimum permit fee

Residential new construction, accessory structures, or additions have a $50 minimum; residential remodels have a $100 minimum; commercial new construction and additions have a $100 minimum.

Plan check fee

Residential plan review is 50 percent of permit fee up to $200. Commercial plan review is 50 percent of permit fee up to $500.

Permit fee formula

Mixed. Residential new construction, accessory structures, and additions are $0.30 per square foot under beam; residential remodels are $0.30 per square foot; commercial new construction and additions are $0.35 per square foot; many smaller permits are flat-fee.

Reinspection fee

First reinspection is included. Second reinspection is $100, third is $200, and fourth and later reinspections are $400. HDD reinspection is $150 after the initial failed inspection.

Payment note

City code states fees must be paid in full before permits are issued. Public-facing sources reviewed did not clearly post online payment processing surcharges.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

• Installation, alteration, or repair of generation, transmission, distribution, metering, or related equipment owned and controlled by public service agencies by established rights
• Antenna structures less than 10 feet in height

Important: No broader consolidated exempt-work list was clearly posted. Confirm any claimed exemption with the Building Safety Department before starting work.

Inspections

How to Schedule

• Tyler EnerGov portal (online)
• 985-646-4323 (phone)
• 250 Bouscaren St., Slidell, LA 70458 (in-person)

Time windows

Mechanical inspections are to occur within 48 hours after notice, excluding Saturdays, Sundays, and holidays.

Additional Resources

• Building code: The city department page lists the 2021 IBC, 2021 IRC, 2021 IEBC, 2021 IFGC, 2021 IMC, 2021 IPC, 2020 NEC, NFPA 1 and 101, NFPA 13 and 13R, and 2010 ADA standards.
• Verify contractor license: Louisiana State Licensing Board for Contractors
• Zoning information: View zoning info
• Development Process
• License lookup guide: Louisiana Contractor License Requirements
• Contract template: Louisiana Homeowner-Contractor Agreement
• Louisiana hub: Louisiana Contractor License & Permit Hub

Frequently Asked Questions

Slidell Building Permit FAQ

Do I need a building permit in Slidell, LA?

City code requires a permit before constructing, placing, enlarging, altering, repairing, moving, demolishing, or changing occupancy of a building or structure, and before regulated electrical, gas, mechanical, or plumbing work.

How much does a building permit cost in Slidell, LA?

The minimum permit fee is Residential new construction, accessory structures, or additions have a $50 minimum; residential remodels have a $100 minimum; commercial new construction and additions have a $100 minimum.. Fees are calculated as: Mixed. Residential new construction, accessory structures, and additions are $0.30 per square foot under beam; residential remodels are $0.30 per square foot; commercial new construction and additions are $0.35 per square foot; many smaller permits are flat-fee.. Plan check fee: Residential plan review is 50 percent of permit fee up to $200. Commercial plan review is 50 percent of permit fee up to $500..

How do I apply for a building permit in Slidell, LA?

1. Confirm zoning, flood, site, and other development requirements. The city encourages a development meeting before opening a business, occupying a building, or starting development. 2. Create or log into the Tyler EnerGov portal or prepare a hardcopy application. 3. Submit the permit application identifying the work, deed or act of sale, intended use and occupancy, valuation, and detailed construction documents. 4. City staff reviews the application for compliance with building codes, zoning, and ordinances and issues written comments if corrections are needed. 5. Pay permit and plan review fees under Appendix F of the city code. 6. After permit issuance, complete required inspections and obtain certificate of occupancy where applicable.

How long does it take to get a building permit in Slidell, LA?

Typical processing time is Administrative review can be completed in as little as one day or may take a few weeks depending on project complexity, workload, and responsiveness..

What work is exempt from building permits in Slidell, LA?

The following work is generally exempt: Installation, alteration, or repair of generation, transmission, distribution, metering, or related equipment owned and controlled by public service agencies by established rights; Antenna structures less than 10 feet in height. Note: No broader consolidated exempt-work list was clearly posted. Confirm any claimed exemption with the Building Safety Department before starting work.

How do I schedule a building inspection in Slidell, LA?

Inspections can be scheduled via: Tyler EnerGov portal, 985-646-4323, 250 Bouscaren St., Slidell, LA 70458.

Other cities in St. Tammany Parish