city · Ascension County · Louisiana

Prairieville, Louisiana Building Permits & Zoning

Regulatory data for residential homebuilders and land developers

4.2

Friction Index Low Regulatory Environment

Permit Timeline

25 days

3-4 weeks

Total Fees Est.

$6,350

per residential lot

Impact Fees

$4,800

per lot

Permit Fee

$1,150

residential

Plan Review Fee

$400

per application

Delay Risk

15%

probability of delay

Zoning & Requirements

Permitting Requirements

✓ Building permit application (Ascension Parish)
✓ Site plan with elevation certificate
✓ Flood zone compliance
✓ Drainage impact analysis (subdivisions 10+ lots)
✓ Stormwater detention plan
✓ Erosion & sediment control plan
✓ Fire department review
✓ Utility connection permits
✓ Parish road impact assessment (if applicable)

Process Notes

Staffing & Operations

Ascension Parish Department of Planning & Development handles permits for unincorporated Prairieville. One of the fastest-growing communities in Louisiana. Parish coordination may add slight processing time compared to incorporated cities.

Recent Changes

December 2025: Ascension Parish adopted new drainage impact requirements for subdivisions over 10 lots. October 2025: Updated flood zone maps for Bayou Manchac watershed area.

Rezone Probability

78%

Contact Information

Permit Office Phone

(225) 450-1200

Official Website

https://www.ascensionparish.net/departments/planning-development

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