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County building permits

Unincorporated St. Charles Parish

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

Last verified
April 2026
On this page 6
§ 01

Permit authority

St. Charles Parish Department of Planning and Zoning, Permit Administration Section

Street address
PO Box 302, 15045 River Road, Hahnville, LA 70057
Coverage
Unincorporated St. Charles Parish. The parish permit office receives and reviews construction and non-construction permit applications for jurisdiction-wide issuance.
Online portal
MyGovernmentOnline (MGO)
MyGovernmentOnline
§ 02

When a permit is required

Permit triggers and exempt work for St. Charles Parish

Permits are required for new construction of primary and accessory structures, additions, mobile home placement, swimming pool installations, and non-construction items such as home occupations, taxi services, commercial signs, and changes of use or occupancy for existing commercial buildings.

Note: The reviewed parish pages do not publish a formal exemption list. Work outside the categories above may not require a permit and should be confirmed with Planning and Zoning before work starts.

Required documents
  • Copy of deed
  • Survey with grade certificate
  • Site plan approved by the Senior Permit Coordinator
  • Two sets of paper construction plans (11 x 17 minimum) plus a digital copy
  • Drainage plan drawn on the site plan
  • Levee district approval letter when within 1500 feet of the levee
  • Sanitary facility vendor contract
  • Construction debris removal contract
  • Water and sewer permits
  • Louisiana Department of Health sewer approval letter when applicable
Building code
The parish indicates compliance with the International Building Code and South Central Planning and Development materials reference the IBC and IRC 2021.
Owner-builder
Louisiana law allows an owner to build a primary residence without a contractor license when the owner will live in the home. The owner-builder exemption also covers adjacent structures such as a shed; a homeowner exemption form should be obtained from the local permit office.
Contractor requirements
Direct contractors are required to follow Louisiana State Licensing Board requirements and be licensed or registered when state thresholds are met.
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Contact a permit officer at 985-783-5060.
  2. 02
    Gather the required permit application package.
  3. 03
    Submit the completed permit package to St. Charles Parish Planning and Zoning.
  4. 04
    Plans are reviewed for building code and zoning compliance.
  5. 05
    Staff contacts the applicant for additional documentation, fees, or a pre-application meeting if needed.
  6. 06
    When approvals are complete and all fees are paid, the permit is issued.
  7. 07
    Construction may begin only after permit issuance.

Source: St. Charles Parish Department of Planning and Zoning, Permit Administration Section ↗

§ 04

Fee schedule

St. Charles Parish building permit fees

Fee type
Amount
01
Permit fee formula
Permit fees are determined by home size in the parish guide, but a complete formula and fee table were not fully published in the reviewed public pages.

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule
Scheduling deadline
The residential guide says South Central Planning and Development provides prompt next-day inspections and offers an inspector on call for emergency after-hours inspections.

Typical sequence: The inspection schedule is posted on the second page of the issued permit; post the inspection board when the permit is issued and provide final documents for closeout. Final inspections include final fire marshal, final drainage, final elevation, and final as-built; a final certificate of occupancy is issued at closeout.

Source: St. Charles Parish Department of Planning and Zoning, Permit Administration Section ↗

§ 06

Frequently asked

Common questions about unincorporated St. Charles Parish permits

01 Do I need a building permit in unincorporated St. Charles Parish, LA?
Permits are required for new construction of primary and accessory structures, additions, mobile home placement, swimming pool installations, and non-construction items such as home occupations, taxi services, commercial signs, and changes of use or occupancy for existing commercial buildings.
02 How much does a building permit cost in unincorporated St. Charles Parish, LA?
Building permit fees in unincorporated St. Charles Parish, LA are set by the local building department and vary by project type and valuation. Fees are calculated as: Permit fees are determined by home size in the parish guide, but a complete formula and fee table were not fully published in the reviewed public pages..
03 How do I apply for a building permit in unincorporated St. Charles Parish, LA?
To apply for a building permit in unincorporated St. Charles Parish, LA, follow these steps: 1. Contact a permit officer at 985-783-5060. 2. Gather the required permit application package. 3. Submit the completed permit package to St. Charles Parish Planning and Zoning. 4. Plans are reviewed for building code and zoning compliance. 5. Staff contacts the applicant for additional documentation, fees, or a pre-application meeting if needed. 6. When approvals are complete and all fees are paid, the permit is issued. 7. Construction may begin only after permit issuance.
04 How do I schedule a building inspection in unincorporated St. Charles Parish, LA?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated St. Charles Parish, LA via: South Central Planning and Development Commission. The residential guide says South Central Planning and Development provides prompt next-day inspections and offers an inspector on call for emergency after-hours inspections..
last verified April 2026 source St. Charles Parish Department of Planning and Zoning, Permit Administration Section ↗ entry id permits/louisiana/st-charles/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with St. Charles Parish Department of Planning and Zoning, Permit Administration Section before applying. Jaspector is not legal advice.