Massachusetts Radon Gas Testing & Sub-Slab Depressurization Contractor
Official statutory licensing standards, state surety bond mandates, and commercial liability minimums overseen by the Massachusetts Office of Public Safety and Inspections (CSL). Satisfy General Contractor (GC) compliance requirements and secure instant digital ACORD 25 certificates to keep your radon mitigation crew jobsite-ready.
Contractor Liability & Bond Premium Estimator
Estimate your required general liability and state license bond costs instantly based on state statute and operational volume.
*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.
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 Massachusetts
Official 4-step compliance path pursuant to Massachusetts General Laws M.G.L. c. 142 & 780 CMR (CSL Rules).
Legal Entity & EIN Formation
Massachusetts Business Entity Filing StatutesForm your business entity (LLC, Corporation, or Sole Proprietorship) with the Massachusetts Secretary of State and secure your Federal Employer Identification Number (FEIN). Ensure your registered business name precisely matches all state and municipal filings.
Designate Qualifying Individual (QI)
Massachusetts Office of Public Safety and Inspections (CSL) 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 Massachusetts General Laws M.G.L. c. 142 & 780 CMR (CSL Rules).
Execute Statutory Bond & Insurance
Massachusetts General Laws M.G.L. c. 142 & 780 CMR (CSL Rules) Financial Responsibility MandatesSecure 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 Massachusetts Office of Public Safety and Inspections (CSL) as certificate holder.
Examination & Board License Issuance
Prometric Candidate Information Bulletin (CIB)Complete the Massachusetts Business & Law examination along with the specific Radon Mitigation technical trade examination administered by Prometric. Submit application fees ($150) to receive official licensure and permit pull authorization.
Ready to file with the Massachusetts Office of Public Safety and Inspections (CSL)?
Make sure your statutory $5,000 - $25,000 (and for LLC entities, your General Liability Certificate listing the state licensing board as certificate holder) are electronically active prior to submitting application fees.
Massachusetts 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 Massachusetts?
Yes, a state contractor license is legally required to work as a radon mitigation contractor in Massachusetts under Massachusetts General Laws M.G.L. c. 142 & 780 CMR (CSL Rules). Municipal building officials and General Contractors verify active licensure through the Massachusetts Office of Public Safety and Inspections (CSL) before permit issuance or jobsite entry.
What technical qualifications and testing benchmarks are required for Radon Mitigation contractors in Massachusetts?
Trade applicants in Massachusetts 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 Prometric testing.
What are the commercial general liability insurance minimums for Radon Mitigation contractors in Massachusetts?
Radon Mitigation contractors in Massachusetts typically must maintain a minimum of $1,000,000 Each Occurrence / $2,000,000 General Aggregate in commercial general liability insurance. Under Massachusetts 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 Massachusetts Radon Mitigation surety bond cost?
A Massachusetts radon mitigation contractor license bond costs between $100 and $150 per year for contractors with standard credit, satisfying the statutory $5,000 - $25,000 bond requirement. High-risk credit profiles range from $180 to $250 annually. Premium rates are calculated as a percentage of the total bond penal sum.
Is workers' compensation insurance required for Radon Mitigation contractors in Massachusetts?
Yes, proof of active workers' compensation insurance is required for construction employers in Massachusetts. Under Mass. Gen. Laws ch. 152, § 25A, coverage is mandatory for all employers with 1+ employees; strict stop-work orders for non-compliance. 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 M.G.L. c. 152, § 1(4); DIA requires Form 153 to confirm non-employee status.
Does Massachusetts offer contractor license reciprocity for Radon Mitigation contractors?
Yes, Massachusetts maintains formal reciprocal licensing agreements with RI, CT 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.
Official Statutory Citations & Legal Authorities
Audited by Pasi Tapio Hakamaki • Managing Editor
This compliance benchmark for Massachusetts Radon Gas Testing & Sub-Slab Depressurization Contractors is audited against primary state legislative statutes (Massachusetts General Laws M.G.L. c. 142 & 780 CMR (CSL Rules)) and administrative rules published by the Massachusetts Office of Public Safety and Inspections (CSL). TradeCertify maintains strict editorial independence. If you represent a regulatory body or note an erratum in statutory bond limits, please contact our research desk.
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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