city · St. Tammany County · Louisiana

Slidell, Louisiana Building Permits & Zoning

Regulatory data for residential homebuilders and land developers

4.5

Friction Index Low Regulatory Environment

Permit Timeline

28 days

4 weeks

Total Fees Est.

$7,275

per residential lot

Impact Fees

$5,500

per lot

Permit Fee

$1,300

residential

Plan Review Fee

$475

per application

Delay Risk

18%

probability of delay

Zoning & Requirements

Permitting Requirements

✓ Building permit application
✓ Site plan with elevation certificate
✓ Flood zone compliance
✓ Foundation design meeting BFE
✓ Stormwater management plan
✓ Erosion control plan
✓ Fire department review
✓ Utility connection permits
✓ Tree survey (subdivisions)

Process Notes

Staffing & Operations

City of Slidell Building Department handles permits. North Shore community with strong residential growth. Efficient processing for standard residential. St. Tammany Parish coordination required for some subdivisions.

Recent Changes

August 2025: Updated flood zone maps for areas near Lake Pontchartrain. No major fee changes. City investing in drainage infrastructure improvements that may ease future development.

Rezone Probability

76%

Contact Information

Permit Office Phone

(985) 646-4280

Official Website

https://www.myslidell.com/departments/permits-inspections/

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