Plumber Permits & Licenses in Hattiesburg, MS

Complete guide to permits and licenses required to start a plumber in Hattiesburg, MS. Fees, renewal cycles, and agency contacts.

Certificate of Formation (LLC Registration)

Mississippi Secretary of State
Required
Fee: $50.00-$50.00
Renewal: one time
Type: registration

Required for all LLCs. Annual report also required ($0 fee, due April 15).

Annual Report Filing

Mississippi Secretary of State - Business Services Division
Required
Fee: $0.00-$0.00
Renewal: annual
Type: registration

Applies to all active LLCs. Online filing required.

Plumbing Contractor License

Mississippi State Board of Contractors
Required
Fee: $75.00-$75.00
Renewal: biennial
Type: license

Required for plumbing contracting businesses. Must designate a qualifying agent with journeyman certificate.

Journeyman Plumber Certificate

Mississippi State Board of Contractors
May Apply
Fee: $30.00-$30.00
Renewal: biennial
Type: permit

Prerequisites: 4 years experience OR approved apprenticeship + pass exam (70% score). LLC must have at least one qualifying journeyman.

Assumed Name (DBA) Registration

Mississippi Secretary of State
May Apply
Fee: $25.00-$25.00
Renewal: one time
Type: registration

Renewal every 10 years ($10 fee). Search required to confirm name availability.

State Sales Tax Permit

Mississippi Department of Revenue - Sales & Use Tax
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: registration

Plumbing labor generally exempt, but materials taxable. File returns monthly/quarterly based on revenue.

Withholding Tax Account Registration

Mississippi Department of Revenue
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: registration

Online registration via TAP portal. Quarterly/annual filings required.

Mississippi Sales Tax Permit

Mississippi Department of Revenue
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: registration

Plumbers providing only labor may not be required to collect sales tax. However, if they sell parts or materials, they must register and collect sales tax. Services are generally not taxable in Mississippi unless tied to tangible personal property sold.

Mississippi Withholding Tax Registration

Mississippi Department of Revenue
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: registration

Applies to all employers in Mississippi. Employers must withhold state income tax from employee wages and remit it to the state.

Mississippi Unemployment Insurance Tax Registration

Mississippi Department of Employment Security
May Apply
Fee: $7000.00-$7000.00
Renewal: one time
Type: registration

All employers with one or more employees must register. New employers pay a standard rate for the first few years, then move to experience-rated rates.

Mississippi Franchise Tax (for LLCs)

Mississippi Secretary of State
Required
Fee: $150.00-$150.00
Renewal: annual
Type: registration

All LLCs formed or registered to do business in Mississippi must pay an annual franchise tax. Due each year by April 15. Failure to file may result in administrative dissolution.

Mississippi State Income Tax Registration (Pass-Through Entities)

Mississippi Department of Revenue
Required
Fee: $0.00-$0.00
Renewal: one time
Type: registration

LLCs are pass-through entities; income flows to owners who report on personal returns. However, the LLC must register with DOR as a pass-through entity. No entity-level income tax is imposed on LLCs in Mississippi.

Local Business License or Privilege Tax

Varies by municipality
May Apply
Fee: $25.00-$100.00
Renewal: one time
Type: registration

Most cities and larger towns in Mississippi (e.g., Jackson, Gulfport, Southaven) require a local business license or privilege tax for all businesses operating within their boundaries. Plumbers must check with city clerk or county chancery clerk. Fees and requirements vary significantly.

Mississippi Contractor's License

Mississippi State Board of Contractors
May Apply
Fee: $150.00-$150.00
Renewal: one time
Type: license

Requires passing a trade exam, business/law exam, and background check. Must maintain continuing education. License is required even for self-employed plumbers. Local jurisdictions may require proof of licensure to issue business licenses.

Home Occupation Permit (City of Jackson)

City of Jackson, MS
May Apply
Fee: $50.00-$50.00
Renewal: one time
Type: permit

Limited to 25% of home floor area; no on-site storage of materials per Jackson Code Sec. 26-257.

Building Permit for Commercial Space Modification

City of Jackson Building Permits Division
May Apply
Fee: $0.50-$2.00
Renewal: one time
Type: permit

Required per International Building Code as adopted by city ordinance.

Sign Permit (City of Jackson)

City of Jackson, MS Planning Department
May Apply
Fee: $10.00-$10.00
Renewal: one time
Type: permit

Jackson Zoning Ordinance Sec. 26-481 et seq. regulates size, lighting, placement.

Fire Inspection Certificate (City of Jackson)

Jackson Fire Department
May Apply
Fee: $75.00-$75.00
Renewal: annual
Type: permit

Required for occupancy per fire code; plumbers storing solvents/paints may trigger.

City of Jackson Business Privilege License

City of Jackson, MS
Required
Fee: $50.00-$50.00
Renewal: annual
Type: license

Required for all businesses operating within Jackson city limits. Plumbers must specify trade type on application.

Hinds County Business Privilege License (Unincorporated Areas)

Hinds County, MS
May Apply
Fee: $25.00-$25.00
Renewal: annual
Type: license

Does not apply within incorporated municipalities like Jackson. Separate from state contractor license.

Zoning Compliance Permit (City of Jackson)

City of Jackson, MS Planning Department
May Apply
Fee: $100.00-$500.00
Renewal: one time
Type: permit

Jackson Zoning Ordinance Sec. 26-3 requires certificate of zoning compliance. Home occupations may need separate permit.

FTC Endorsement and Advertising Guidelines

Federal Trade Commission (FTC)
Required
Fee: $0.00-$0.00
Renewal: one time
Type: permit

Applies to all advertising. Plumbers must ensure claims (e.g., “licensed,” “fast service,” “lowest price”) are truthful and substantiated. Testimonials and online reviews must reflect honest opinions. Misleading claims can trigger FTC enforcement.

ADA Title III Compliance for Public Accommodations

Department of Justice (DOJ)
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: permit

Requires plumbers with storefronts, service centers, or offices open to clients to comply with ADA accessibility standards (e.g., ramps, door widths, restroom access). Does not apply to mobile-only service providers without public-facing facilities.

No Industry-Specific Federal License Required for Plumbers

U.S. Small Business Administration (SBA)
Required
Fee: $0.00-$0.00
Renewal: one time
Type: license

There is no federal licensing requirement for plumbers. Licensing is managed at the state and local level (e.g., Mississippi State Board of Contractors). This is a common requirement misconception.

Annual Report Filing for LLC

Mississippi Secretary of State
Required
Fee: $50.00-$50.00
Renewal: annual
Type: permit

All LLCs registered in Mississippi must file an Annual Report by April 15 each year. This is a requirement for maintaining active status with the Secretary of State.

Mississippi Contractor’s Licensing Renewal

Mississippi State Board of Contractors
May Apply
Fee: $150.00-$150.00
Renewal: biennial
Type: license

Plumbers acting as contractors must be licensed by the Mississippi State Board of Contractors. Licenses are renewed every two years. Plumbers performing only minor work under $5,000 may be exempt.

Continuing Education for Licensed Contractors

Mississippi State Board of Contractors
May Apply
Fee: $100.00-$300.00
Renewal: biennial
Type: certificate

Licensed contractors must complete 6 hours of approved continuing education per renewal cycle (biennial), including 2 hours of business and law topics and 4 hours of technical content.

Federal Employer Identification Number (FEIN) Reporting

Internal Revenue Service (IRS)
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: registration

Required for tax filing purposes. Single-member LLCs with no employees may use the owner’s SSN, but obtaining an EIN is recommended.

Mississippi Sales and Use Tax Permit Renewal

Mississippi Department of Revenue
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: permit

Plumbers who sell tangible personal property (e.g., water heaters, fixtures) must collect and remit sales tax. No annual renewal, but ongoing filing required.

Alarm System Permit (City of Jackson)

Jackson Police Department
May Apply
Fee: $50.00-$50.00
Renewal: annual
Type: permit

Mandatory registration to reduce false alarms.

Harrison County Business License (Gulfport)

City of Gulfport, MS
May Apply
Fee: $100.00-$100.00
Renewal: annual
Type: license

Gulfport Code Sec. 110-1 requires all businesses; plumbers classified under contractor category.

Certificate of Occupancy (Gulfport)

City of Gulfport, MS
May Apply
Fee: $100.00-$100.00
Renewal: one time
Type: permit

Required by Gulfport Building Code for change of use.

Workers' Compensation Insurance

Mississippi Workers' Compensation Commission
May Apply
Fee: $1000.00-$3000.00
Renewal: one time
Type: certificate

Required for all employers with five or more employees in Mississippi (MS Code § 71-3-7). Agricultural labor and domestic workers may be exempt. Sole proprietors and partners are not required to cover themselves unless they elect in writing.

General Liability Insurance

Not applicable
Required
Fee: $500.00-$2000.00
Renewal: one time
Type: certificate

Not legally required by the State of Mississippi for plumbers, but strongly recommended. May be required by contracts, landlords, or municipalities. Not a state-mandated insurance for LLCs.

Professional Liability / Errors and Omissions Insurance

Not applicable
Required
Fee: $1000.00-$3000.00
Renewal: one time
Type: certificate

Not legally required by Mississippi state law for plumbers. May be required by clients or contracts. Recommended to protect against claims of negligence or faulty workmanship.

Contractor License Bond

Mississippi State Board of Contractors
May Apply
Fee: $500.00-$1000.00
Renewal: one time
Type: certificate

Plumbers performing commercial or residential work exceeding $50,000 must be licensed by the Mississippi State Board of Contractors and post a $100,000 surety bond. This does not apply to projects under $50,000. See MS Code § 73-29-103.

Commercial Auto Insurance

Mississippi Department of Public Safety – Office of Motor Vehicles
May Apply
Fee: $1200.00-$2800.00
Renewal: one time
Type: certificate

Mississippi requires all motor vehicles registered to a business to carry liability insurance meeting minimum limits: $25,000 bodily injury per person, $50,000 per accident, $25,000 for property damage (MS Code § 63-15-401). Applies regardless of business type.

Product Liability Insurance

Not applicable
Required
Fee: $1000.00-$5000.00
Renewal: one time
Type: certificate

No state-mandated product liability insurance in Mississippi. However, if the plumber sells physical products (e.g., water heaters, fixtures), they may face liability risks. Not required by law but recommended depending on business model.

Liquor Liability Insurance

Not applicable
Required
Fee: $500.00-$2000.00
Renewal: one time
Type: certificate

Not applicable to plumbing businesses. Required only if selling or serving alcohol, which is not typical for plumbers in Mississippi.

Plumbing License Bond (for local or state licensing)

Mississippi State Board of Contractors
May Apply
Renewal: one time
Type: certificate

A $100,000 surety bond is required as part of the contractor licensing process for projects exceeding $50,000. This bond protects clients against fraud, breach of contract, or uncompleted work. See MS Code § 73-29-103.

Local Business License Bond (Municipal)

Varies by city/county (e.g., City of Jackson, City of Gulfport)
May Apply
Fee: $500.00-$1500.00
Renewal: one time
Type: certificate

Required by many Mississippi municipalities even if state license is held. Check with local city hall or business licensing office.

Obtain an Employer Identification Number (EIN)

Internal Revenue Service (IRS)
Required
Renewal: one time
Type: registration

Required for all LLCs, regardless of whether they have employees. Used for federal tax filing, opening business bank accounts, and reporting employment taxes.

Federal income tax filing for LLC

Internal Revenue Service (IRS)
Required
Renewal: one time
Type: permit

A single-member LLC is treated as a disregarded entity and reports income on Schedule C of Form 1040. Multi-member LLCs file Form 1065. Mississippi plumbers operating as LLCs must comply based on structure.

OSHA Workplace Safety Compliance

Occupational Safety and Health Administration (OSHA)
May Apply
Renewal: one time
Type: permit

Required for all employers with employees. Plumbers must provide a safe workplace, maintain injury logs (if 10+ employees), and comply with hazard communication standards. Specific risks include exposure to lead, confined spaces, and electrical hazards.

OSHA Injury and Illness Recordkeeping

Occupational Safety and Health Administration (OSHA)
May Apply
Renewal: one time
Type: permit

Required for businesses with 10+ employees. Plumbers must record work-related injuries and illnesses using OSHA Form 300, 300A, and 301. Exempt if under threshold or in low-risk industries, but plumbing is not exempt.

Sales and Use Tax Filing

Mississippi Department of Revenue
May Apply
Renewal: one time
Type: filing

Frequency (monthly/quarterly) is assigned by DOR based on expected sales volume. Must file even with $0 liability.

Federal Estimated Income Tax Payments

Internal Revenue Service (IRS)
May Apply
Renewal: one time
Type: permit

LLC members must make quarterly estimated tax payments for income and self-employment tax. Due dates vary slightly each year.

State Estimated Income Tax Payments

Mississippi Department of Revenue
May Apply
Renewal: varies
Type: permit

Required for LLC members who have Mississippi-source income and insufficient tax withholding.

Federal Employment Tax Filings (Form 941)

Internal Revenue Service (IRS)
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: filing

Employers must file Form 941 quarterly to report federal income tax, Social Security, and Medicare withholding.

Mississippi Withholding Tax Filing

Mississippi Department of Revenue
May Apply
Fee: $0.00-$0.00
Renewal: varies
Type: filing

Employers must withhold state income tax and file returns accordingly. Filing frequency determined by DOR.

OSHA Poster (Job Safety and Health Protection)

Occupational Safety and Health Administration (OSHA)
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: permit

Required to be displayed in a conspicuous location accessible to employees. Available for free download from OSHA.

Mississippi Workers’ Compensation Insurance Coverage

Mississippi Workers’ Compensation Commission
May Apply
Renewal: one time
Type: certificate

Mandatory for employers with 5 or more employees. Coverage must be maintained at all times.

Display of Contractor License

Mississippi State Board of Contractors
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: permit

License must be visibly displayed on business vehicles and job sites. Required for compliance with state contractor laws.

Business License Renewal (Local)

Local Municipal Government (e.g., City Clerk)
May Apply
Fee: $50.00-$200.00
Renewal: annual
Type: license

Many cities and counties in Mississippi (e.g., Jackson, Gulfport) require annual renewal of a general business license. Check with local clerk for exact deadline and fee.

Record Retention for Tax Purposes

Internal Revenue Service (IRS)
Required
Fee: $0.00-$0.00
Renewal: one time
Type: permit

IRS recommends keeping all business tax records for a minimum of 3 years. Employment tax records must be kept for at least 4 years.

Record Retention for Mississippi Contractor License

Mississippi State Board of Contractors
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: permit

Contractors must maintain records of contracts, payments, and project details for at least 4 years for inspection by the Board.

EPA Lead-Based Paint Renovation Rule

Environmental Protection Agency (EPA)
May Apply
Fee: $300.00-$500.00
Renewal: one time
Type: permit

Required under the Toxic Substances Control Act (TSCA) Title IV. Plumbers who disturb paint (e.g., cutting pipes in walls) must be certified and follow lead-safe work practices. Applies to any work that creates dust or debris from painted surfaces.

Fair Labor Standards Act (FLSA) Compliance

U.S. Department of Labor (DOL)
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: permit

Establishes federal minimum wage ($7.25/hour), overtime pay (1.5x regular rate after 40 hours), recordkeeping, and youth employment rules. Applies to plumbing businesses with employees engaged in interstate commerce (which includes most service businesses).

Family and Medical Leave Act (FMLA) compliance

U.S. Department of Labor (DOL)
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: permit

Requires eligible employers to provide up to 12 weeks of unpaid, job-protected leave per year for qualifying medical and family reasons. Most small plumbing LLCs may not meet threshold, but must comply if they do.

I-9 Employment Eligibility Verification

U.S. Department of Homeland Security (DHS), Immigration and Customs Enforcement (ICE)
May Apply
Renewal: one time
Type: permit

All U.S. employers must verify identity and work authorization using Form I-9. Applies to every new hire, including U.S. citizens. E-Verify is not mandatory federally unless in certain federal contracts or state-mandated.

Step-by-Step Compliance Guide

  1. As a plumber in Hattiesburg, MS, you must comply with the FTC’s Home Improvement Rule and Consumer Protection Laws, with fees varying based on specific circumstances.
  2. Federal regulations require plumbers to maintain records of all business transactions for potential audits.
  3. Plumbers operating as LLCs taxed as disregarded entities or partnerships must file a Federal Income Tax Return with the IRS annually.
  4. The IRS requires plumbers to fulfill Federal Income and Self-Employment Tax Obligations for LLCs, with potential fees varying.
  5. Ensure compliance with FTC guidelines regarding Truth-in-Advertising and Consumer Protection Rules to avoid penalties.
  6. Plumbers must adhere to Federal IRS Record Retention Requirements, ensuring all necessary documentation is kept on file.
  7. Obtain an Employer Identification Number (EIN) from the IRS, which is required for most business structures.
  8. File an annual Federal Income Tax Return (Form 1120-S) with the IRS to report your business income and expenses.

Common Mistakes to Avoid

  • Assuming a single federal license covers all plumbing activities nationwide is incorrect, as requirements vary.
  • Ignoring FTC advertising guidelines can lead to legal issues and fines for misleading claims.
  • Failing to retain adequate business transaction records can result in penalties during IRS audits.
  • Neglecting self-employment tax obligations as an LLC owner can lead to significant tax liabilities.
  • Believing that no record retention is necessary after a certain period is a mistake, as the IRS has specific requirements.

Frequently Asked Questions

Are there any federal licensing requirements specifically for plumbers in Hattiesburg, MS?

No, the U.S. Small Business Administration confirms that there is no industry-specific federal license required for plumbers; however, you still need to comply with other federal regulations.

What are the potential costs associated with FTC compliance for a plumbing business?

The fees for FTC compliance, such as adhering to the Home Improvement Rule, vary depending on the specifics of your business operations and any potential violations; some compliance requirements have no direct fee.

How often does the IRS require me to file a federal income tax return as a plumbing business owner?

If your plumbing business is an LLC taxed as a disregarded entity or partnership, you must file a Federal Income Tax Return with the IRS annually, typically by the 15th day of the third month following the end of your tax year.

What records should a plumber keep to satisfy IRS requirements?

The IRS requires plumbers to maintain records of all business transactions, including income, expenses, and tax documents, for a specified period, generally three years from when you filed the return.

What is the purpose of obtaining an EIN from the IRS?

An Employer Identification Number (EIN) is a unique tax identification number assigned by the IRS to businesses operating as corporations or partnerships; it's used to identify your business for tax purposes and is required for opening a business bank account.

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