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

Colorado Radon Gas Testing & Sub-Slab Depressurization Contractor

Official statutory licensing standards, state surety bond mandates, and commercial liability minimums overseen by the Colorado Department of Regulatory Agencies (DORA).

Min General Liability
$1,000,000 Each Occurrence
Occurrence / $2,000,000 General Aggregate
Required State Bond
$5,000 - $25,000
From $100/yr with preferred credit
Board Application Fee
$150 - $250
Exam Provider: ICC / Pearson VUE
License Renewal
Biennial
CE: Varies by municipality or trade board
Primary Source Verified: 2026 Statutory Code Review
Requirements cross-referenced against the official Colorado Department of Regulatory Agencies (DORA) administrative code.
Official CO 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.

Estimated Annual Gross Revenue $350,000
$50k $1.5M $3M+
Estimated Statutory Costs Instant Certificate Available
General Liability (GL)
$1M Occurrence / $2M Aggregate
$115/mo
~$1,380 / year
Contractor License Bond
Statutory State Bond
$250/yr
1.0% base underwriting rate
Workers' Comp Alert: Mandatory for all construction employers in selected state with 1+ employees.
Get Official Quote & Instant ACORD COI Apply for Contractor License Bond ($0 Down Options) →

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

Verified Underwriters

Compare Top Colorado Radon Gas Testing & Sub-Slab Depressurization Contractor Insurance Providers

Direct underwriting platforms offering statutory compliance coverage and digital certificates for Colorado contractors.

Updated for 2026/2027 Policy Year
Carrier & Underwriter Coverage Strengths Turnaround & Pricing Action
NE
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HI
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SU
SuretyBonds.com Fastest License Bond
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TI
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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.

Permit Trigger in Colorado: Penetrations through concrete foundation grade beams and roof decking

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
Colorado Revised Statutes Title 12 Article 115 & Local Municipal Enforcement
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 Colorado

Official 4-step compliance path pursuant to Colorado Revised Statutes Title 12 Article 115 & Local Municipal Enforcement.

Official Board Rules →
1

Legal Entity & EIN Formation

Colorado Business Entity Filing Statutes

Form your business entity (LLC, Corporation, or Sole Proprietorship) with the Colorado Secretary of State and secure your Federal Employer Identification Number (FEIN). Ensure your registered business name precisely matches all state board filings.

2

Designate Qualifying Individual (QI)

Colorado Department of Regulatory Agencies (DORA) 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 Colorado Revised Statutes Title 12 Article 115 & Local Municipal Enforcement.

3

Execute Statutory Bond & Insurance

Colorado Revised Statutes Title 12 Article 115 & Local Municipal Enforcement Financial Responsibility Mandates

Secure the mandatory $5,000 - $25,000 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 Colorado Department of Regulatory Agencies (DORA) as certificate holder.

4

Examination & Board License Issuance

ICC / Pearson VUE Candidate Information Bulletin (CIB)

Complete the Colorado Business & Law examination along with the specific Radon Mitigation technical trade examination administered by ICC / Pearson VUE. Submit application fees ($150 - $250) to receive official licensure and permit pull authorization.

Regulatory Authority: Colorado Department of Regulatory Agencies (DORA) (CO)
Official State Government Portal

Ready to file with the Colorado Department of Regulatory Agencies (DORA)?

Make sure your General Liability Certificate (listing the state board as certificate holder) and your statutory $5,000 - $25,000 are electronically active prior to submitting application fees.

Get Compliant COI Visit CO Board Portal →
Verified Statutory Guidance

Colorado Radon Mitigation Compliance & Insurance FAQs

Direct answers on state licensing prerequisites, insurance thresholds, and surety bond regulations.

What regulatory authority oversees Radon Mitigation licensing in Colorado?

In Colorado, commercial licensing and statutory compliance for radon mitigation contractors are overseen by the Colorado Department of Regulatory Agencies (DORA) pursuant to Colorado Revised Statutes Title 12 Article 115 & Local Municipal Enforcement. All active trade contractors must maintain valid board credentials before soliciting or performing work.

What industry safety standards apply to Radon Mitigation contractors in Colorado?

Contractors must operate in strict conformance with EPA Renovation, Repair & Painting (RRP) Rule & OSHA 1910.1200 HazCom Standards. Mandates negative-pressure HEPA containment enclosures, decontamination airlocks, and licensed hazardous manifest transport disposal.

What are the commercial general liability insurance minimums for a Radon Mitigation in Colorado?

Under Colorado 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 Colorado Radon Mitigation surety bond cost?

The statutory bond threshold in Colorado is $5,000 - $25,000 (Municipal level / Denver license bonds). Contractors with standard commercial credit typically pay an annual premium between $100 and $150 (1% to 2% of total penal sum). High-risk or credit-rebuilding rates range from $180 to $250 annually.

Is workers' compensation insurance required for Radon Mitigations in Colorado?

Mandatory for all businesses with 1+ employees. Regardless of minimum employee exemptions under Colorado 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 Colorado offer contractor license reciprocity for Radon Mitigations?

Colorado maintains formal reciprocal exam agreements or license verifications with: WY, NE, UT. Qualifying out-of-state contractors in good standing under equivalent statutory frameworks may apply to waive the trade examination portion.

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