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Bathroom remodeler License Requirements in St Paul, MN

Last reviewed: July 2026

Quick Answer

Yes, you need a Minnesota Class A or Class B Contractor License issued by the Minnesota Department of Labor and Industry. St Paul bathroom remodelers also need building permits, plumbing permits, and electrical permits from the City of St Paul Department of Safety and Inspections. You must maintain a $15,000 contractor bond and demonstrate relevant experience in bathroom remodeling work.

Key Facts

  • Minnesota requires a Class A or Class B Contractor License for bathroom remodelers.
  • St Paul requires building permits, electrical permits, and plumbing permits for bathroom remodeling work.
  • Contractor bond of $15,000 minimum required by Minnesota.
  • Bathroom remodelers must register with Minnesota Department of Labor and Industry.
  • Local City of St Paul zoning and health permits vary by project scope.

State Licence Requirements

Licence name

Minnesota Class A or Class B Contractor License

Issued by

Minnesota Department of Labor and Industry, Construction Codes and Licensing Division

Cost

$290-$450

Processing time

2-4 weeks after exam completion

How to apply

Apply through the Minnesota Department of Labor and Industry website at https://www.dli.mn.gov. First, determine if you need a Class A license (projects over $225,000 in value or specialized work) or Class B license (general remodeling, projects under $225,000). Complete the application form, which requires proof of experience (typically 4 years of relevant work experience as a bathroom remodeler or similar skilled trade). You must pass the Minnesota Contractor Exam, which covers building codes, safety, and Minnesota construction laws. The exam costs approximately $150-$200 and is administered by Pearson VUE at testing centers throughout Minnesota.

Submit your application along with proof of bonding ($15,000 minimum bond), liability insurance (typically $300,000 minimum), and identification. If you have prior construction violations or criminal history, disclosure is required. Background checks may apply. Processing takes 2-4 weeks after exam passage. Once approved, you receive your license, which is valid for two years. You must renew every 24 months by submitting a renewal application and proof of continuing education (eight hours minimum). See Minnesota Statutes § 326B.082 for license class definitions and § 326B.089 for bonding requirements.

Federal Requirements

Bathroom remodelers in St Paul must comply with federal requirements under the ADA Accessibility Guidelines (ADA § 2010) if any work involves public accommodations or commercial facilities. OSHA safety standards (29 CFR 1900 series) apply to job site safety and worker protection. If you employ workers, you must obtain an EIN from the IRS (26 U.S.C. § 6011) and comply with federal employment tax requirements, including filing quarterly payroll tax returns and maintaining worker safety records.

The EPA's Lead Renovation, Repair, and Painting Rule (40 CFR Part 745) applies if your bathroom remodeling projects involve disturbance of lead-based paint in homes built before 1978. You must become EPA-certified and follow lead-safe work practices. If you generate construction waste, federal hazardous waste rules may apply depending on materials involved. Bathroom remodelers handling asbestos disturbance must comply with EPA asbestos NESHAP regulations (40 CFR Part 61).

Fed-up hiring requirements include I-9 employment verification for all employees and compliance with federal anti-discrimination laws. If you operate as an LLC or corporation, you may need a separate federal EIN and must file appropriate business tax returns with the IRS (26 U.S.C. § 501 and § 6011).

Local & County Requirements

St Paul bathroom remodelers must obtain permits from the City of St Paul Department of Safety and Inspections before beginning any work. A Building Permit is required for any bathroom remodeling project involving structural changes, fixture installation, or construction work (cost typically $50-$300 depending on project scope). Plumbing permits are mandatory for any work involving water supply lines, drain lines, or fixture installation (typically $75-$200). Electrical permits are required if your project includes electrical work such as adding outlets, relocating switches, or installing exhaust fans (typically $50-$150).

Many bathroom projects also require a Mechanical Permit if you install ventilation systems or modify existing HVAC (typically $50-$150). The City of St Paul requires all permits to be obtained before work begins; inspections occur at rough-in stage (plumbing and electrical) and final completion. A Certificate of Occupancy may be required if the bathroom serves a rental unit. Zoning compliance verification is needed; some neighborhoods have historic district requirements or deed restrictions affecting bathroom remodeling scope.

Ramsey County may have additional requirements depending on project location. If your work involves asbestos, lead paint, or hazardous materials disturbance, additional certifications and notifications are required. St Paul does not require a separate local contractor license for bathroom remodelers if you hold a valid Minnesota state license, but you must display your state license at job sites and maintain it with the city on file.

Total Cost Breakdown

First-year costs for a bathroom remodeler in St Paul include the Minnesota Class A or Class B Contractor License at $290-$450. The contractor examination costs approximately $150-$200. A contractor bond ($15,000 minimum coverage) costs $300-$600 annually depending on your credit and business history. General liability insurance is required and typically ranges from $400-$800 per year for bathroom remodeler coverage.

St Paul local permits average $175-$650 per project: Building Permit ($50-$300), Plumbing Permit ($75-$200), Electrical Permit ($50-$150), and Mechanical Permit if needed ($50-$150). These are project-based costs. Business licensing through the City of St Paul costs $50-$150. Minnesota employer identification number (EIN) is free from the IRS but may require accounting software ($100-$300 annually).

First-year total startup costs range from $1,365-$3,450 including license, exam, bonding, insurance, business license, and initial permits for one project. If you hire employees immediately, add workers' compensation insurance ($600-$1,500 based on payroll estimates) and unemployment insurance setup. Continuing education for license renewal cycles costs $150-$300 every two years. Annual renewal costs after the first year are approximately $590-$900 (license + bond + insurance), making bathroom remodeling a moderate-cost business to establish and maintain in Minnesota.

Licence Renewal

Your Minnesota Contractor License must be renewed every 24 months (two-year cycle). The renewal deadline is the expiration date listed on your license. You must renew before the expiration date to maintain active status; there is a 30-day grace period if you submit renewal paperwork before expiration, but late renewals may incur an additional fee of $50-$75. Renewal requires completion of eight hours of continuing education through approved providers covering topics such as Minnesota building code updates, safety regulations, and construction law changes. Approved CE courses are offered online and in-person by construction trade organizations, community colleges, and professional associations.

Renewal fees are approximately $290-$350, similar to initial license costs. You must also renew your contractor bond ($15,000 minimum) during the license renewal cycle; most bonding companies automatically renew if you request it. Renewal applications are submitted online through the Minnesota DLI website at https://www.dli.mn.gov. If you fail to renew by the deadline, your license becomes inactive and you cannot legally perform bathroom remodeling work. Reinstatement of an expired license may require additional fees ($50-$100) plus proof of current continuing education. You can renew up to 90 days before expiration; early renewal extends your new license term from the renewal date. Online renewal is standard; in-person renewal is not typically available.

Penalties for Operating Without a Licence

Operating as a bathroom remodeler in Minnesota without a valid Class A or Class B Contractor License is a violation of Minnesota Statutes § 326B.15. Penalties include civil fines of $500-$2,000 per violation, and separate violations may be assessed for each day of unlicensed operation. Criminal penalties apply if you knowingly misrepresent your license status or license number: this constitutes a misdemeanor with potential jail time up to 90 days and fines up to $1,000 (Minnesota Statutes § 326B.16).

The Minnesota Department of Labor and Industry can issue a cease-and-desist order requiring immediate stoppage of work if you are discovered operating without a license. Violations are typically discovered through customer complaints, building permit audits, or inspections by city officials who verify contractor licensing. Unlicensed bathroom remodelers may face civil lawsuits from homeowners for breach of contract or property damage, and unlicensed work voids your liability insurance coverage, leaving you personally liable for injuries or property damage (Minnesota Statutes § 326B.17).

If you cause injury to a worker or homeowner while unlicensed, you are liable without insurance protection. The City of St Paul may also impose local penalties for performing unpermitted work, typically $200-$500 per violation. Homeowners may file complaints with the Minnesota Attorney General's office, resulting in further investigation and potential restitution orders. A history of licensing violations can result in license denial or revocation if you apply for renewal, effectively ending your ability to work legally in the state.

Compare contractor insurance quotes for bathroom remodelers in Minnesota to ensure adequate coverage before your license is approved.

Get notified when licensing rules change

Licensing requirements and fees change periodically. We'll email you when this page is updated.

Frequently Asked Questions

How long does it take to get a Minnesota bathroom remodeler license in St Paul?

The total timeline is approximately 4-8 weeks from start to finish. First, you gather experience documentation (4 years required) and prepare your application (1-2 weeks). You then register for the Minnesota Contractor Exam, which may have a waiting period of 1-3 weeks depending on testing center availability. The exam itself is administered same-day at Pearson VUE locations in Minnesota. After passing the exam, you submit your final application with bonding and insurance documents (1 week to gather). The Minnesota DLI processes applications in 2-4 weeks after submission. Once approved, you receive your license immediately. You can accelerate this by scheduling your exam as soon as possible and having bonding/insurance quotes ready before applying.

Do I need separate licenses for plumbing and electrical work in a bathroom remodel, or does my contractor license cover everything?

Your Minnesota Contractor License does not cover specialized plumbing or electrical work. If you perform plumbing work (connecting water supply, installing drains, setting fixtures), you must hire a licensed Minnesota Plumber or sub-contract to a licensed plumber. Similarly, electrical work requires a Minnesota licensed electrician. As a bathroom remodeler, you can supervise the project and perform non-licensed work such as demolition, framing, tile installation, and finish work. You are responsible for ensuring all sub-contractors hold valid licenses. When you pull building permits, plumbing permits must be held by a licensed plumber, and electrical permits by a licensed electrician. This is a legal requirement under Minnesota Statutes § 326B.082. You cannot perform licensed trades without individual trade licenses, even with your contractor license.

Can I start a bathroom remodeling business in St Paul with a license from another state?

Minnesota does not have reciprocity agreements for contractor licenses from other states. If you hold a valid contractor license from Wisconsin, Iowa, or another state, it is not automatically recognized in Minnesota. You must apply for a Minnesota Class A or Class B Contractor License through the standard application process. However, if you can demonstrate equivalent experience and pass a technical review, the Minnesota DLI may waive certain experience requirements or allow credit for your out-of-state license in some cases. You must still pass the Minnesota Contractor Exam to demonstrate knowledge of Minnesota building codes and regulations. Contact the Minnesota Department of Labor and Industry at https://www.dli.mn.gov to inquire about potential reciprocity or experience credit. Most applicants with out-of-state licenses report the process takes the same 4-8 weeks as first-time applicants.

What happens if I start a bathroom remodeling project without a license in St Paul?

Operating without a Minnesota Contractor License is a serious violation. You will face civil penalties of $500-$2,000 from the Minnesota DLI, and the Department can issue a cease-and-desist order requiring you to stop work immediately. If you knowingly misrepresent your license status, criminal charges apply with potential jail time up to 90 days and fines up to $1,000. The City of St Paul may impose additional local penalties of $200-$500 for unpermitted work. Your liability insurance will be voided because you were unlicensed, leaving you personally responsible for any injuries, property damage, or accidents on the job site. Homeowners can sue you for breach of contract and may file complaints with the Minnesota Attorney General. Your future ability to obtain a Minnesota license may be permanently compromised if convicted. It is never worth the risk; apply for your license before accepting any work.

What specific permits does St Paul require for a bathroom remodel, and how much do they cost?

St Paul requires a Building Permit (cost $50-$300) for any bathroom remodeling involving structural changes, fixture installation, or construction work. A Plumbing Permit (cost $75-$200) is mandatory if you are installing, moving, or connecting water supply lines or drain lines. An Electrical Permit (cost $50-$150) is required for any electrical work such as adding outlets, relocating switches, or installing exhaust fans. If your project includes mechanical work like ventilation system installation, a Mechanical Permit ($50-$150) is needed. All permits must be obtained from the City of St Paul Department of Safety and Inspections before work begins. Inspections occur at rough-in stage (after plumbing/electrical is installed but before walls are closed) and at final completion. Costs vary based on project scope and complexity; the city website at https://www.stpaul.gov provides detailed fee schedules. Some projects may require multiple permits, totaling $225-$600+ for a full bathroom renovation.

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Sources & References

  • Minnesota Statutes section 326B.082Defines contractor license classes and requirements
  • Minnesota Statutes section 326B.089Establishes contractor bonding and financial security requirements
  • Minnesota Rule 1346.0200Specifies experience and examination requirements for contractors
  • St Paul Legislative Code Chapter 67.01Local building and construction permitting requirements
  • Minnesota Statutes section 326B.15Penalties for operating without a valid contractor license

Licence requirements change. Verify current requirements with the issuing agency before applying.

Editorial standards: This guide is reviewed against primary government sources and cites 5 statutes. Last reviewed July 2026. Scheduled for re-verification by July 2027.

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