Minnesota Radon Gas Testing & Sub-Slab Depressurization Contractor
Official statutory licensing standards, state surety bond mandates, and commercial liability minimums overseen by the Minnesota Department of Labor and Industry (DLI).
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Radon Gas Testing & Sub-Slab Depressurization Contractor Scope of Work & Legal Permitting Authority
Radon contractors drill suction pits into concrete foundation slabs, install PVC vent piping, and mount exterior inline fans venting radioactive gas.
Defined Authorized Scope of Construction:
Active sub-slab depressurization (ASD), crawlspace vapor barrier sealing, manometer pressure verification, and post-mitigation radon testing.
Mandatory Experience Prerequisites
NRPP or NRSB Radon Mitigation Specialist certification, continuous radon monitoring, and sub-slab suction pit core drilling
Required Insurance Policy Endorsements
Radioactive Gas Testing / Failure to Mitigate E&O Liability, Completed Operations
How to Obtain a Radon Gas Testing & Sub-Slab Depressurization Contractor License in Minnesota
Official 4-step compliance path pursuant to Minnesota Statutes Chapter 326B (Construction Codes and Licensing).
Legal Entity & EIN Formation
Minnesota Business Entity Filing StatutesForm your business entity (LLC, Corporation, or Sole Proprietorship) with the Minnesota Secretary of State and secure your Federal Employer Identification Number (FEIN). Ensure your registered business name precisely matches all state board filings.
Designate Qualifying Individual (QI)
Minnesota Department of Labor and Industry (DLI) Experience Verification RulesAppoint a Qualifying Party, Primary Qualifying Agent, or Responsible Managing Employee (RME). The QI must verify NRPP or NRSB Radon Mitigation Specialist certification, continuous radon monitoring, and sub-slab suction pit core drilling and satisfy experience criteria governed under Minnesota Statutes Chapter 326B (Construction Codes and Licensing).
Execute Statutory Bond & Insurance
Minnesota Statutes Chapter 326B (Construction Codes and Licensing) Financial Responsibility MandatesSecure the mandatory $15,000 Residential Building Contractor Bond contractor license bond executed by an admitted surety. File an official Certificate of Insurance (COI) maintaining at least $1,000,000 Each Occurrence / $2,000,000 General Aggregate Commercial General Liability, naming Minnesota Department of Labor and Industry (DLI) as certificate holder.
Examination & Board License Issuance
State Board / PSI Candidate Information Bulletin (CIB)Complete the Minnesota Business & Law examination along with the specific Radon Mitigation technical trade examination administered by State Board / PSI. Submit application fees ($180) to receive official licensure and permit pull authorization.
Ready to file with the Minnesota Department of Labor and Industry (DLI)?
Make sure your General Liability Certificate (listing the state board as certificate holder) and your statutory $15,000 Residential Building Contractor Bond are electronically active prior to submitting application fees.
Minnesota Radon Mitigation Compliance & Insurance FAQs
Direct answers on state licensing prerequisites, insurance thresholds, and surety bond regulations.
Do I need a state license to work as a Radon Mitigation in Minnesota?
Yes. Operating as a radon mitigation contractor in Minnesota requires full licensure issued by the Minnesota Department of Labor and Industry (DLI) under Minnesota Statutes Chapter 326B (Construction Codes and Licensing). Municipalities and commercial property owners verify active board licenses prior to permit issuance.
What technical qualifications and testing benchmarks are required for Radon Mitigations in Minnesota?
Applicants must document State-certified supervisor licensing, 40-hour Hazwoper certification, and annual medical surveillance clearance and adhere to EPA Renovation, Repair & Painting (RRP) Rule & OSHA 1910.1200 HazCom Standards.
What are the commercial general liability insurance minimums for a Radon Mitigation in Minnesota?
Under Minnesota statutory and commercial bidding standards, radon mitigation contractors typically must maintain at least $1,000,000 Each Occurrence / $2,000,000 General Aggregate in general liability protection. Policies must include coverage for bodily injury, property damage, and completed operations.
How much does the required Minnesota Radon Mitigation surety bond cost?
The statutory bond threshold in Minnesota is $15,000 Residential Building Contractor Bond. Contractors with standard commercial credit typically pay an annual premium between $210 and $315 (1% to 2% of total penal sum). High-risk or credit-rebuilding rates range from $378 to $525 annually.
Is workers' compensation insurance required for Radon Mitigations in Minnesota?
Mandatory for all employers with 1+ employees. Regardless of minimum employee exemptions under Minnesota labor laws, commercial general contractors and municipal building inspectors mandate proof of active workers' comp via a Certificate of Insurance (COI) before jobsite access is granted.
Does Minnesota offer contractor license reciprocity for Radon Mitigations?
Minnesota maintains formal reciprocal exam agreements or license verifications with: ND, SD, WI. Qualifying out-of-state contractors in good standing under equivalent statutory frameworks may apply to waive the trade examination portion.
Compare Radon Mitigation Rules in Reciprocal & Regional States
Review statutory licensing, bond costs, and reciprocity waiver rules for this classification across neighboring jurisdictions.
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