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When a permit is required
Permit triggers and exempt work for Bay St. Louis
All new construction, additions, structural modifications, electrical work, plumbing, HVAC installation, and similar projects require permits. Cosmetic repairs and maintenance do not.
Note: Contact the Building Department at 228-469-0531 for clarification on whether specific work requires a permit.
- Completed permit application
- Site plan
- Construction plans
- Project scope information
- Proof of property ownership or authorization
- Building code
- 2018 International Building Code (IBC) and 2018 International Residential Code (IRC)
- Contractor requirements
- Contractors must be licensed through the Mississippi State Board of Contractors (MSBOC) if work value exceeds $10,000 (residential) or $50,000 (commercial).
Application process
Typical processing: 3–5 business days for initial review.
- 01 Register for a free account at www.mgoconnect.org
- 02 Log in and select permit type (building, electrical, plumbing, tree removal, etc.)
- 03 Complete and submit application online
- 04 Pay permit fees through the online system
- 05 Building Department reviews submission (typically within 3–5 business days)
- 06 Receive permit number and approval (emailed or available in portal)
- 07 Display permit at job site before work begins
- 08 Schedule required inspections
Typical processing time: 3–5 business days for initial review.
Required inspections
Scheduling and sequence
- MGO Connect portal (online)
- 228-469-0531 (phone)
- Inspection hours
- Monday–Friday, 8:00 AM to 5:00 PM
Typical sequence: Typical stages: Footing/Foundation Inspection, Framing/Rough-In Inspection, Insulation/Fireblocking Inspection, Final Inspection.
Frequently asked
Common questions about Bay St. Louis permits
01 Do I need a building permit in Bay St. Louis, MS? ▸
02 How do I apply for a building permit in Bay St. Louis, MS? ▸
03 How long does it take to get a building permit in Bay St. Louis, MS? ▸
04 How do I schedule a building inspection in Bay St. Louis, MS? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Bay St. Louis Building Department before applying. Jaspector is not legal advice.