On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Thibodaux
Required to construct, enlarge, alter, repair, move, demolish, or change occupancy of a building or structure, and for regulated electrical, gas, plumbing, and mechanical work.
Painting, papering, tiling, carpeting, cabinets, counter tops, and similar finish work
Repair or replacement of soffit or fascia board and vinyl or aluminum siding
Fence repair not exceeding 25 linear feet
Fences less than 30 inches high from natural grade
Wood decks not more than 30 inches above grade, with no roof and not over 400 square feet
Replacing residential driveways with no change in location or profile
- Exempt Painting, papering, tiling, carpeting, cabinets, counter tops, and similar finish work
- Exempt Repair or replacement of soffit or fascia board and vinyl or aluminum siding
- Exempt Fence repair not exceeding 25 linear feet
- Exempt Fences less than 30 inches high from natural grade
- Exempt Wood decks not more than 30 inches above grade, with no roof and not over 400 square feet
- Exempt Replacing residential driveways with no change in location or profile
Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with the Building and Inspection Department before proceeding.
Required documents
- Application
- Plan sets (two complete sets for new construction)
- Plot plans (two for new construction)
- Trade layouts (plumbing, electrical, gas, mechanical as applicable)
- Debris disposal proof
- Toilet facility proof
- Zoning compliance documents
- Site plan
- Flood-related materials
- Building code
- 2021 IRC, 2021 IBC, 2021 IEBC, 2020 NEC, 2021 IPC, 2021 IFGC, 2021 IMC, plus 2018 Entergy Customer Installation Standards and ADA standards.
- Permit validity
- Demolition work must start within 30 days and be completed within 180 days.
- Owner-builder
- Homeowners may perform their own electrical, mechanical, and plumbing work if knowledgeable of the code; if their work shows they do not know the code, the city can require a city-registered trade contractor.
- Contractor requirements
- Trade work in city limits must be performed by city-registered contractors. Registration packets require the applicable state license, and in some trades a bond and liability insurance.
Source: Department of Public Works, Building and Inspection Permits, City of Thibodaux ↗
§ 03
Application process
Application → plan check → issuance → inspection → final
- 01 Determine permit type from the Building and Inspection Permits page and download the matching packet, fee sheet, code sheet, and plan requirements.
- 02 Complete the permit application and assemble plan review materials. For new construction, the city requires two complete plan sets, two plot plans, and separate plumbing, electrical, gas, and mechanical layouts as applicable.
- 03 Provide supporting items before issuance, including debris disposal proof and toilet facilities for workers for new construction.
- 04 Submit to the Building Official / Inspection Department for plan review and permit issuance.
- 05 Post the permit card on site, call inspections at the required stages, complete final inspection, and obtain certificate of occupancy before move-in.
Source: Department of Public Works, Building and Inspection Permits, City of Thibodaux ↗
§ 04
Fee schedule
Thibodaux building permit fees
Fee type
Amount
01
Minimum permit fee
$40.00 for commercial and residential building permits
02
Permit fee formula
Valuation-based for building permits. Residential is $2.50 per $1,000 up to $100,000, then stepped tiers; commercial is $3.00 per $1,000 up to $100,000, then stepped tiers.
03
Reinspection fee
$50.00; missed inspection penalty $100.00 plus hold harmless filing requirement; double fees apply for work performed without permit issuance.
04
Penalty (no permit)
Double fees apply for work performed without permit issuance.
All fees must be paid by check, money order, or Visa/Mastercard prior to permit issuance.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- (985) 446-7208 (building, electrical, mechanical, plumbing) (phone)
- (985) 446-7216 (gas inspections) (phone)
- Scheduling deadline
- Requests before 10:00 AM are normally performed the same day; allow up to 48 hours.
- Inspection hours
- Normal business hours
Typical sequence: Building at foundation, framing, completion; electrical at foundation, rough-in, completion; mechanical at rough-in, completion; plumbing at foundation, rough-in, completion; gas at rough-in, completion.
Source: Department of Public Works, Building and Inspection Permits, City of Thibodaux ↗
§ 06
Frequently asked
Common questions about Thibodaux permits
01 Do I need a building permit in Thibodaux, LA? ▸
Required to construct, enlarge, alter, repair, move, demolish, or change occupancy of a building or structure, and for regulated electrical, gas, plumbing, and mechanical work.
02 How much does a building permit cost in Thibodaux, LA? ▸
Building permit fees in Thibodaux, LA are set by the local building department and vary by project type and valuation. The minimum permit fee is $40.00 for commercial and residential building permits. Fees are calculated as: Valuation-based for building permits. Residential is $2.50 per $1,000 up to $100,000, then stepped tiers; commercial is $3.00 per $1,000 up to $100,000, then stepped tiers..
03 How do I apply for a building permit in Thibodaux, LA? ▸
To apply for a building permit in Thibodaux, LA, follow these steps: 1. Determine permit type from the Building and Inspection Permits page and download the matching packet, fee sheet, code sheet, and plan requirements. 2. Complete the permit application and assemble plan review materials. For new construction, the city requires two complete plan sets, two plot plans, and separate plumbing, electrical, gas, and mechanical layouts as applicable. 3. Provide supporting items before issuance, including debris disposal proof and toilet facilities for workers for new construction. 4. Submit to the Building Official / Inspection Department for plan review and permit issuance. 5. Post the permit card on site, call inspections at the required stages, complete final inspection, and obtain certificate of occupancy before move-in.
04 What work is exempt from building permits in Thibodaux, LA? ▸
Not all construction work requires a permit in Thibodaux, LA. The following work is generally exempt: Painting, papering, tiling, carpeting, cabinets, counter tops, and similar finish work; Repair or replacement of soffit or fascia board and vinyl or aluminum siding; Fence repair not exceeding 25 linear feet; Fences less than 30 inches high from natural grade; Wood decks not more than 30 inches above grade, with no roof and not over 400 square feet; Replacing residential driveways with no change in location or profile. Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with the Building and Inspection Department before proceeding. When in doubt, confirm with the local building department before starting work.
05 How do I schedule a building inspection in Thibodaux, LA? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Thibodaux, LA via: (985) 446-7208 (building, electrical, mechanical, plumbing), (985) 446-7216 (gas inspections). Requests before 10:00 AM are normally performed the same day; allow up to 48 hours..
last verified April 2026
source Department of Public Works, Building and Inspection Permits, City of Thibodaux ↗
entry id permits/louisiana/lafourche/thibodaux
Educational reference. Permit rules and fees change — confirm current requirements directly with Department of Public Works, Building and Inspection Permits, City of Thibodaux before applying. Jaspector is not legal advice.