HVAC Contractor Permit Requirements in Hattiesburg, MS
Complete permit and license guide for starting a hvac contractor in Hattiesburg, Forrest County, Mississippi.
Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .
Hattiesburg / Forrest County Requirements
3 requirementsMississippi State Board of Contractors — HVAC Contractor License
HVAC contractors in Mississippi must hold a specialty contractor license from the Mississippi State Board of Contractors. EPA Section 608 certification is required for refrigerant handling.
City of Hattiesburg Revenue Division — Business License
Hattiesburg requires a Business License for all businesses operating within city limits. Fees vary by business type. This license must be renewed annually and displayed at your place of business.
Forrest County / Hattiesburg Mechanical Permit (per project)
A mechanical permit must be obtained from the local building department for each HVAC installation or major repair. Inspections are required upon completion.
Mississippi State Requirements
2 requirementsMississippi Department of Revenue — Sales Tax Permit
Required for all businesses selling tangible personal property or taxable services in Mississippi. Mississippi charges a 7% state sales tax (one of the highest in the nation). Register with the Mississippi Department of Revenue.
EPA Section 608 Certification (for refrigerants)
Technicians who purchase, recover, or handle refrigerants must hold EPA Section 608 certification. Required by federal law regardless of state.
Federal Requirements
1 requirementEIN (Employer Identification Number)
Required if you have employees or operate as an LLC or corporation. Free from the IRS.
Official Sources
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