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KY Compliance Guide Verified for 2026/2027 Mechanical & HVAC/R

Kentucky Boiler, Hot-Water Heating & Steamfitting Contractor

Mandatory state licensing criteria, statutory bond thresholds, and general liability minimums enforced by the Kentucky Department of Housing, Buildings and Construction (DHBC). Meet commercial bid prerequisites and obtain instant proof of insurance for active Kentucky projects.

Audited by Pasi Tapio Hakamaki • Editorial Review: September 2026 • Statutory Authority: Kentucky Department of Housing, Buildings and Construction (DHBC)
Min General Liability
$2,000,000
Occurrence / $4,000,000 General Aggregate
Required State Bond
$10,000 - $25,000
From $220/yr with preferred credit
Board Application Fee
$250
Exam Provider: Pearson VUE
License Renewal
Annual
CE: Varies by municipality or trade board
✓
Primary Source Verified: 2026 Statutory Code Review
Requirements cross-referenced against the official Kentucky Department of Housing, Buildings and Construction (DHBC) administrative code.
Official KY Board Portal → | Our Audit Methodology
Interactive Compliance Tool Live 2026 Underwriting Matrix

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Target Jurisdiction
Kentucky (KY)
Trade Classification
Boiler, Hot-Water Heating & Steamfitting Contractor
Estimated Annual Gross Revenue $350,000
$50k $1.5M $3M+
Estimated Statutory Costs Instant Certificate Available
General Liability (GL)
$2,000,000 Each Occurrence / $4,000,000 General Aggregate
$350/mo
~$4,200 / year
Contractor License Bond
Kentucky $10,000 Bond
$100/yr
1.0% (Tier 1 Preferred) on $10,000 bond
Workers' Comp Alert: In Kentucky: Mandatory for all employers with 1+ employees (Ky. Rev. Stat. § 342.630 & § 342.340).
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.

Boiler, Hot-Water Heating & Steamfitting Contractor Scope of Work & Legal Permitting Authority

Boiler and steamfitting contractors install industrial high-pressure steam boilers, condensate return loops, and commercial district heating.

Defined Authorized Scope of Construction:

ASME Section I & IV power boilers, deaerators, high-pressure steam headers, pressure-reducing valves, and hydronic circulating pumps.

Permit Trigger in Kentucky: Any pressure vessel operating above 15 PSI steam or 160 PSI water
Minor Work Exemption Threshold: No state threshold for general contractors; state licenses mandated for electrical, plumbing, and HVAC

Mandatory Experience Prerequisites

4 years high-pressure vessel piping, ASME code welding, boiler burner management, and pressure relief testing

Required Insurance Policy Endorsements

Boiler Explosion & Pressure Vessel Breakdown Endorsement, Pollution Impairment, Completed Operations

Governing Technical Code & Safety Standard
Kentucky Revised Statutes KRS Chapter 198B & 815 KAR 7
EPA Clean Air Act Section 608 Universal Certification & ASHRAE Standards 15/34
Testing & Compliance Benchmarks: ACCA Manual J (heat load), Manual S (equipment selection), and Manual D (duct design) protocols. Mandates closed-loop refrigerant recovery logging, nitrogen pressure testing, and adherence to combustible A2L refrigerant safety protocols.
Procedural Roadmap

How to Obtain a Boiler, Hot-Water Heating & Steamfitting Contractor License in Kentucky

Official 4-step compliance path pursuant to Kentucky Revised Statutes KRS Chapter 198B & 815 KAR 7.

Official Board Rules →
1

Legal Entity & EIN Formation

Kentucky Business Entity Filing Statutes

Form your business entity (LLC, Corporation, or Sole Proprietorship) with the Kentucky 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)

Kentucky Department of Housing, Buildings and Construction (DHBC) Experience Verification Rules

Appoint a Qualifying Party, Primary Qualifying Agent, or Responsible Managing Employee (RME). The QI must verify 4 years high-pressure vessel piping, ASME code welding, boiler burner management, and pressure relief testing and satisfy experience criteria governed under Kentucky Revised Statutes KRS Chapter 198B & 815 KAR 7.

3

Execute Statutory Bond & Insurance

Kentucky Revised Statutes KRS Chapter 198B & 815 KAR 7 Financial Responsibility Mandates

Secure the mandatory $10,000 - $25,000 contractor license bond executed by an admitted surety. File an official Certificate of Insurance (COI) maintaining at least $2,000,000 Each Occurrence / $4,000,000 General Aggregate Commercial General Liability, naming Kentucky Department of Housing, Buildings and Construction (DHBC) as certificate holder.

4

Examination & Board License Issuance

Pearson VUE Candidate Information Bulletin (CIB)

Complete the Kentucky Business & Law examination along with the specific Boiler & Steamfitting technical trade examination administered by Pearson VUE. Submit application fees ($250) to receive official licensure and permit pull authorization.

Regulatory Authority: Kentucky Department of Housing, Buildings and Construction (DHBC) (KY)
Official State Government Portal

Ready to file with the Kentucky Department of Housing, Buildings and Construction (DHBC)?

Make sure your statutory $10,000 - $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.

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

Kentucky Boiler & Steamfitting Compliance & Insurance FAQs

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

Is a state contractor license legally mandated for Boiler & Steamfitting contractors in Kentucky?

Yes, executing commercial or residential boiler & steamfitting contractor projects in Kentucky legally requires an active state contractor license issued by the Kentucky Department of Housing, Buildings and Construction (DHBC) under Kentucky Revised Statutes KRS Chapter 198B & 815 KAR 7. Performing contracting services without official board credentials triggers immediate stop-work orders, statutory fines, and civil citations.

What technical codes govern boiler & steamfitting contractor operations in Kentucky?

Boiler, Hot-Water Heating & Steamfitting Contractor installations in Kentucky must strictly adhere to the EPA Clean Air Act Section 608 Universal Certification & ASHRAE Standards 15/34. In addition, all completed work and materials must satisfy ACCA Manual J (heat load), Manual S (equipment selection), and Manual D (duct design) protocols to pass municipal building inspection.

What are the commercial general liability insurance minimums for Boiler & Steamfitting contractors in Kentucky?

Boiler & Steamfitting contractors in Kentucky typically must maintain a minimum of $2,000,000 Each Occurrence / $4,000,000 General Aggregate in commercial general liability insurance. Under Kentucky 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 Kentucky Boiler & Steamfitting surety bond cost?

A Kentucky boiler & steamfitting contractor license bond costs between $220 and $330 per year for contractors with standard credit, satisfying the statutory $10,000 - $25,000 bond requirement. High-risk credit profiles range from $396 to $550 annually. Premium rates are calculated as a percentage of the total bond penal sum.

Is workers' compensation insurance required for Boiler & Steamfitting contractors in Kentucky?

Yes, proof of active workers' compensation insurance is required for construction employers in Kentucky. Under Ky. Rev. Stat. § 342.630 & § 342.340, 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 KRS 342.012; can file Form 4 (Notice of Exemption) with KY Department of Workers' Claims.

Does Kentucky offer contractor license reciprocity for Boiler & Steamfitting contractors?

Yes, Kentucky maintains formal reciprocal licensing agreements with OH, TN, WV for qualified boiler & steamfitting 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: Kentucky (KY)
Primary Licensing Authority
Kentucky Department of Housing, Buildings and Construction (DHBC)
Official State Portal Link →
Enabling State Statute / Administrative Code
Kentucky Revised Statutes KRS Chapter 198B & 815 KAR 7
Statutory authority for trade licensing & discipline
Mandatory License Bond Statute
$10,000 - $25,000 (Local municipal requirement)
Continuous penal surety bond filing
Governing Technical Code & Testing Standards
EPA Clean Air Act Section 608 Universal Certification & ASHRAE Standards 15/34
Testing Provider: Pearson VUE • ACCA Manual J (heat load), Manual S (equipment selection), and Manual D (duct design) protocols
PTH
Statutory Research Standards & Verification Desk

Audited by Pasi Tapio Hakamaki • Managing Editor

This compliance benchmark for Kentucky Boiler, Hot-Water Heating & Steamfitting Contractors is audited against primary state legislative statutes (Kentucky Revised Statutes KRS Chapter 198B & 815 KAR 7) and administrative rules published by the Kentucky Department of Housing, Buildings and Construction (DHBC). 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 KY Portal