City Building Permits
Napoleonville, LA - 2026 Building Permit Guide
How to apply for a building permit in Napoleonville, Louisiana. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
City of Napoleonville, the only incorporated municipality in Assumption Parish.
- Department
- City of Napoleonville / Assumption Parish Permit Office
- Address
- 105 Martin Luther King Drive, Napoleonville, LA 70390
- Phone
- 985-369-7386
Application Process
- Obtain and complete the permit application.
- Submit the application with required documents in person at the permit office.
- Plan review is conducted by certified staff.
- Pay permit fees.
- Receive permit issuance upon approval.
- Schedule inspections as required by project type.
- Obtain final approval and occupancy certificate if required.
Source: City of Napoleonville / Assumption Parish Permit Office
General Requirements
State law requires permits for construction projects. Permitting for Napoleonville appears to be handled through the Assumption Parish Permit Office. If property is connected to city water, a perc test is needed before placing a septic system.
Required Documents
- Property survey by professional
- Building plans showing structure placement
- All documents required by the Assumption Parish Permit Office
- Perc test results if on-site septic system is proposed
- Building code
- 2021 International Building Code and 2021 International Residential Code per the Louisiana State Uniform Construction Code.
- Contractor requirements
- Same Louisiana State Contractor License thresholds apply for work above state thresholds. Trade licensing is governed by the Louisiana State Licensing Board for Contractors.
Work That Does NOT Require a Permit
Contact the City of Napoleonville / Assumption Parish Permit Office to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- Inspection hours
- Monday-Friday, 8:00 AM to 4:00 PM
Typical inspection sequence: Typical Louisiana inspection sequence includes foundation inspection, framing inspection, and completion or final inspection.
Additional Resources
- Building code: 2021 International Building Code and 2021 International Residential Code per the Louisiana State Uniform Construction Code.
- Verify contractor license: Louisiana State Licensing Board for Contractors
- Zoning information: View zoning info
- Assumption Parish Permit Office
- Assumption Parish FAQs
- Assumption Parish Code of Ordinances
- License lookup guide: Louisiana Contractor License Requirements
- Contract template: Louisiana Homeowner-Contractor Agreement
- Louisiana hub: Louisiana Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City of Napoleonville / Assumption Parish Permit Office before applying.
Frequently Asked Questions
Napoleonville Building Permit FAQ
- Do I need a building permit in Napoleonville, LA?
- State law requires permits for construction projects. Permitting for Napoleonville appears to be handled through the Assumption Parish Permit Office. If property is connected to city water, a perc test is needed before placing a septic system.
- How do I apply for a building permit in Napoleonville, LA?
- 1. Obtain and complete the permit application. 2. Submit the application with required documents in person at the permit office. 3. Plan review is conducted by certified staff. 4. Pay permit fees. 5. Receive permit issuance upon approval. 6. Schedule inspections as required by project type. 7. Obtain final approval and occupancy certificate if required.
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