County Building Permits

Plaquemines Parish, LA - 2026 Building Permit Guide

How to apply for a building permit in unincorporated Plaquemines Parish, Louisiana. Permit authority, application steps, fees, and inspection requirements.

Louisiana Updated March 2026

Permit Authority

Parish-wide permitting for Plaquemines Parish, including unincorporated areas and the parish seat.

Department
Plaquemines Parish Permits, Planning and Zoning Department
Address
333 F. Edward Hebert Blvd., Building 300, Belle Chasse, LA 70037; 28028 Hwy 23, Port Sulphur, LA 70083
Phone
504-934-6195; 504-934-3610

Online Permit Portal

Application Process

  1. Submit the permit application with required attachments.
  2. Ensure all information is entered into the parish permit system and staff database.
  3. If needed, route the permit to additional departments or council for review and approval.
  4. Review starts when all required information is received by the permit technician.
  5. Building Official approves the permit after required reviews and approvals are complete.
  6. Applicant is contacted to pick up permit when plans are involved, or permit is mailed when applicable.
  7. Keep placard visible at the job site and keep reviewed plans on-site.
  8. Issue certificate of occupancy after final inspection when required documentation is complete.

Typical processing time: 5 to 7 working days if no additional reviews or approvals are needed; certificate of occupancy within 10 working days of final inspection when complete.

Source: Plaquemines Parish Permits, Planning and Zoning Department

General Requirements

Permits are reviewed for residential renovations and repairs, new residential and commercial construction, electrical, mechanical, gas, RV, and temporary RV park permits.

Required Documents

  • Plaquemines Parish Building Application (carbon copy form)
  • Applicant signature on both forms
  • Louisiana State Contractor License and signed contract by both parties
  • Owner-builder affidavit when applicable
  • Letter from an authorized person for agents handling permit affairs
  • Two complete sets of stamped plans for applicable projects
  • Site plan on 8.5 x 14 legal size paper, legible
  • Construction benchmark for elevation certificate package
  • Tops of forms certificate and survey before pre-pour inspection for foundation
  • Final elevation certificate with pictures before final inspection
  • Copy of cash sale
  • Current survey showing servitudes, rights-of-way, and easements
  • Homeowners association approval when applicable
  • Army Corps approval when driving piling within 1,500 feet of the Mississippi River levee or 300 feet of the NOV back levee canal
  • For modular homes, third-party inspection review with ICC certification number and LSUCCC registration number
Building code
2021 IRC and IBC including design for high wind regions, effective January 1, 2023
Owner-builder
Owner-builders must submit the parish affidavit claiming exemption from licensure when acting as builder.
Contractor requirements
Subcontractors must be licensed and file all required permits before doing work. A Louisiana State Contractor License and a signed contract by both parties are required for permit submission.

Fees

Payment note
Online permit payment service fees are 2.60% for Visa, MasterCard, Discover, and American Express with a $2.00 minimum; $2.00 for electronic check/ACH.

Work That Does NOT Require a Permit

Contact the Plaquemines Parish Permits, Planning and Zoning Department to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

  • MGO Connect (online)
  • Belle Chasse Office (phone)
  • Port Sulphur Office (phone)
Scheduling deadline
Certificate of occupancy within 10 working days after final inspection when file is complete.

Typical inspection sequence: Permit review begins after all information is received; pre-pour inspection requires elevation-related documentation; final elevation certificate is required before final inspection; certificate of occupancy follows final inspection when complete.

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Plaquemines Parish Permits, Planning and Zoning Department before applying.

Frequently Asked Questions

Plaquemines Parish Building Permit FAQ

Do I need a building permit in unincorporated Plaquemines Parish, LA?
Permits are reviewed for residential renovations and repairs, new residential and commercial construction, electrical, mechanical, gas, RV, and temporary RV park permits.
How do I apply for a building permit in unincorporated Plaquemines Parish, LA?
1. Submit the permit application with required attachments. 2. Ensure all information is entered into the parish permit system and staff database. 3. If needed, route the permit to additional departments or council for review and approval. 4. Review starts when all required information is received by the permit technician. 5. Building Official approves the permit after required reviews and approvals are complete. 6. Applicant is contacted to pick up permit when plans are involved, or permit is mailed when applicable. 7. Keep placard visible at the job site and keep reviewed plans on-site. 8. Issue certificate of occupancy after final inspection when required documentation is complete.
How long does it take to get a building permit in unincorporated Plaquemines Parish, LA?
Typical processing time is 5 to 7 working days if no additional reviews or approvals are needed; certificate of occupancy within 10 working days of final inspection when complete..
How do I schedule a building inspection in unincorporated Plaquemines Parish, LA?
Inspections can be scheduled via: MGO Connect, Belle Chasse Office, Port Sulphur Office. Certificate of occupancy within 10 working days after final inspection when file is complete..

Need help with your project?

Navigating permits in Unincorporated Plaquemines Parish can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.
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