MN Compliance Guide Verified for 2026/2027 Specialty Finishes & Remediation

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). Satisfy General Contractor (GC) compliance requirements and secure instant digital ACORD 25 certificates to keep your radon mitigation crew jobsite-ready.

Audited by Pasi Tapio Hakamaki • Editorial Review: September 2026 • Statutory Authority: Minnesota Department of Labor and Industry (DLI)
Min General Liability
$1,000,000
Occurrence / $2,000,000 General Aggregate
Required State Bond
$15,000 Residential Building Contractor Bond
From $210/yr with preferred credit
Board Application Fee
$180
Exam Provider: State Board / PSI
License Renewal
Every 2 Years
CE: 14 Hours (Every 2-year renewal cycle)
✓
Primary Source Verified: 2026 Statutory Code Review
Requirements cross-referenced against the official Minnesota Department of Labor and Industry (DLI) administrative code.
Official MN Board Portal → | Our Audit Methodology
Interactive Compliance Tool Live 2026 Underwriting Matrix

Contractor Liability & Bond Premium Estimator

Estimate your required general liability and state license bond costs instantly based on state statute and operational volume.

Target Jurisdiction
Minnesota (MN)
Trade Classification
Radon Gas Testing & Sub-Slab Depressurization Contractor
Estimated Annual Gross Revenue $350,000
$50k $1.5M $3M+
Estimated Statutory Costs Instant Certificate Available
General Liability (GL)
$1,000,000 Each Occurrence / $2,000,000 General Aggregate
$146/mo
~$1,750 / year
Contractor License Bond
Minnesota $15,000 Bond
$150/yr
1.0% (Tier 1 Preferred) on $15,000 bond
Workers' Comp Alert: In Minnesota: Mandatory for all employers with 1+ employees (Minn. Stat. § 176.011 & § 176.181).
Review Governing Statutory Citations Explore 50-State Licensing Directory →

*Estimates based on standard market rates for commercial artisan contractors. Exact quotes require underwriting review of prior loss history, specific endorsements, and payroll declarations.

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.

Permit Trigger in Minnesota: Penetrations through concrete foundation grade beams and roof decking
Minor Work Exemption Threshold: $15,000 annual gross revenue exemption for residential contractors (Minn. Stat. § 326B.805)

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

Governing Technical Code & Safety Standard
Minnesota Statutes Chapter 326B (Construction Codes and Licensing)
EPA Renovation, Repair & Painting (RRP) Rule & OSHA 1910.1200 HazCom Standards
Testing & Compliance Benchmarks: NESHAP 10-day advance state abatement notification and NIOSH 7400 phase-contrast air clearance monitoring. Mandates negative-pressure HEPA containment enclosures, decontamination airlocks, and licensed hazardous manifest transport disposal.
Procedural Roadmap

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).

Official Board Rules →
1

Legal Entity & EIN Formation

Minnesota Business Entity Filing Statutes

Form 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 and municipal filings.

2

Designate Qualifying Individual (QI)

Minnesota Department of Labor and Industry (DLI) Experience Verification Rules

Appoint 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).

3

Execute Statutory Bond & Insurance

Minnesota Statutes Chapter 326B (Construction Codes and Licensing) Financial Responsibility Mandates

Secure the mandatory $15,000 Residential Building 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.

4

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.

Regulatory Authority: Minnesota Department of Labor and Industry (DLI) (MN)
Official State Government Portal

Ready to file with the Minnesota Department of Labor and Industry (DLI)?

Make sure your statutory $15,000 Residential Building Contractor Bond (and for LLC entities, your General Liability Certificate listing the state licensing board as certificate holder) are electronically active prior to submitting application fees.

Visit Official MN Board Portal Calculate Statutory Minimums →
Verified Statutory Guidance

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 contractor in Minnesota?

Yes, a state contractor license is legally required to work as a radon mitigation contractor in Minnesota under Minnesota Statutes Chapter 326B (Construction Codes and Licensing). Municipal building officials and General Contractors verify active licensure through the Minnesota Department of Labor and Industry (DLI) before permit issuance or jobsite entry.

What technical qualifications and testing benchmarks are required for Radon Mitigation contractors in Minnesota?

Trade applicants in Minnesota must document State-certified supervisor licensing, 40-hour Hazwoper certification, and annual medical surveillance clearance and verify compliance under EPA Renovation, Repair & Painting (RRP) Rule & OSHA 1910.1200 HazCom Standards through State Board / PSI testing.

What are the commercial general liability insurance minimums for Radon Mitigation contractors in Minnesota?

Radon Mitigation contractors in Minnesota typically must maintain a minimum of $1,000,000 Each Occurrence / $2,000,000 General Aggregate in commercial general liability insurance. Under Minnesota statutory rules and General Contractor (GC) bid standards, policies must cover bodily injury, property damage, and completed operations to secure jobsite clearance.

How much does the required Minnesota Radon Mitigation surety bond cost?

A Minnesota radon mitigation contractor license bond costs between $210 and $315 per year for contractors with standard credit, satisfying the statutory $15,000 Residential Building bond requirement. High-risk credit profiles range from $378 to $525 annually. Premium rates are calculated as a percentage of the total bond penal sum.

Is workers' compensation insurance required for Radon Mitigation contractors in Minnesota?

Yes, proof of active workers' compensation insurance is required for construction employers in Minnesota. Under Minn. Stat. § 176.011 & § 176.181, coverage is mandatory for all employers with 1+ employees. General Contractors and municipal building inspectors mandate a Certificate of Insurance (COI) prior to jobsite access. Sole proprietors with 0 employees: Sole proprietors with 0 employees exempt under Minn. Stat. § 176.041; must verify independent contractor registration with DLI.

Does Minnesota offer contractor license reciprocity for Radon Mitigation contractors?

Yes, Minnesota maintains formal reciprocal licensing agreements with ND, SD, WI for qualified radon mitigation contractor applicants. Out-of-state contractors in good standing under equivalent statutory frameworks can apply to waive trade exams, though state law and business rules testing may still apply.

Primary Sources

Official Statutory Citations & Legal Authorities

Jurisdiction: Minnesota (MN)
Primary Licensing Authority
Minnesota Department of Labor and Industry (DLI)
Official State Portal Link →
Enabling State Statute / Administrative Code
Minnesota Statutes Chapter 326B (Construction Codes and Licensing)
Statutory authority for trade licensing & discipline
Mandatory License Bond Statute
$15,000 Residential Building Contractor Bond
Continuous penal surety bond filing
Governing Technical Code & Testing Standards
EPA Renovation, Repair & Painting (RRP) Rule & OSHA 1910.1200 HazCom Standards
Testing Provider: State Board / PSI • NESHAP 10-day advance state abatement notification and NIOSH 7400 phase-contrast air clearance monitoring
PTH
Statutory Research Standards & Verification Desk

Audited by Pasi Tapio Hakamaki • Managing Editor

This compliance benchmark for Minnesota Radon Gas Testing & Sub-Slab Depressurization Contractors is audited against primary state legislative statutes (Minnesota Statutes Chapter 326B (Construction Codes and Licensing)) and administrative rules published by the Minnesota Department of Labor and Industry (DLI). TradeCertify maintains strict editorial independence. If you represent a regulatory body or note an erratum in statutory bond limits, please contact our research desk.

Contractor Compliance Desk
Official Statutory Minimums
Official MN Portal