Kentucky

Kentucky regulates construction through trade-specific licensing under a single department — the Department of Housing, Buildings and Construction (DHBC). There is no statewide general contractor license; instead, individual trades like plumbing, HVAC, electrical, elevator, boiler, fire protection, LP gas, underground storage tanks, and manufactured home installation each require separate credentials through different DHBC divisions.

Always verify statutes, fees, and application details with the live regulator before making bidding, licensing, or legal decisions.

At a glance

The fastest way to orient yourself in Kentucky is to know that licensing is trade-based, not dollar-based — every regulated trade requires a state credential regardless of contract value.

Signal	Value
Licensing model	Trade-specific — no statewide general contractor license
Dollar threshold	None — licensing is required by trade, not by contract value
Central regulatory department	Department of Housing, Buildings and Construction (DHBC)
Number of regulated trade divisions	7 divisions covering 9+ trade categories
Reciprocity model	Limited — Ohio, Virginia, and West Virginia for specific trades
Renewal cycle	Annual, tied to licensee’s birth month

Frequently asked questions

Pick the tab that matches your situation. Each FAQ gives a direct answer and points you to the full detail below.

Contractors
Regulators

Does Kentucky have a general contractor license?

No. Kentucky does not have a statewide general contractor license. Only specific trades are regulated at the state level: plumbing, HVAC, electrical, elevator, boiler, fire protection, LP gas, underground storage tanks, and manufactured home installation. General contracting is not regulated by the state. See Construction work regulated.

Is there a dollar threshold that triggers licensing?

No. Kentucky licenses by trade, not by contract value. If the work involves a regulated trade, a credential is required from DHBC regardless of the dollar amount. There is no minimum contract value trigger. See Construction work regulated.

Where do I go to get licensed in Kentucky?

All trade licensing runs through the Department of Housing, Buildings and Construction (DHBC) at 500 Mero Street, Frankfort, KY 40601. Each trade has its own division with separate phone numbers and application forms: Division of Plumbing, Division of HVAC, Division of Electrical, Boiler Inspection Section, Fire Protection Systems, Division of Fire Prevention, and Elevator Section. See Who regulates construction.

How much does it cost to get licensed?

Costs vary by trade. Plumbing journeyman: $60 license, $50 exam. Plumbing master: $250 license, $150 exam. HVAC journeyman: $50 renewal, $80 exam. HVAC master: $250 renewal, $80 exam. Electrical contractor: $200, $60 exam. Fire protection sprinkler contractor: $250. Elevator contractor: $240. See Requirements.

What are the insurance requirements?

Insurance varies by trade. Plumbing master: $250,000 general liability. HVAC master: $500,000 general liability plus $300,000 property damage. Electrical contractor: $500,000 general liability. Fire protection: $500,000 per person, $1,000,000 per occurrence. Elevator contractor: $1,000,000 general liability plus $500,000 property damage. Manufactured home installer: $250,000 general liability. See Requirements.

Can I use my out-of-state license in Kentucky?

Reciprocity is limited. Ohio has HVAC and electrical reciprocity. Virginia and West Virginia have electrical reciprocity. For other trades, Kentucky may recognize credentials case-by-case if the issuing state’s standards are substantially equal. Manufactured home installers with an active HUD license or license from a reciprocal state are exempt from Kentucky exam and experience requirements. See Reciprocal agreements.

What exams are required?

Each trade has its own exam. Plumbing journeyman requires 75% minimum on each portion. Plumbing master requires 80%. HVAC requires a department-prescribed exam. Electrical requires separate journeyman and master exams. Elevator mechanic requires 70% minimum. Boiler requires a department-prepared exam. UST requires a department exam. Manufactured home installers must pass a department-administered exam. See Requirements.

What experience is needed for electrical licensing?

Electricians (journeyman) need 8,000 hours of verifiable experience. Master electricians need 16,000 hours. An approved apprenticeship of 576 hours can substitute for 4,000 hours, an associate degree for 4,000–6,000 hours, and 2 years of teaching for 4,000 hours. See Electrical.

What about fire protection or sprinkler work?

Fire protection sprinkler contractors must hold or employ a certificate holder with NICET Level III or IV certification. Insurance minimums are substantial: $500,000 per person, $1,000,000 per occurrence, $1,000,000 property damage. Contractor license fee is $250 initial and renewal. See Fire Protection Sprinkler Contractors.

When do licenses expire?

All Kentucky trade licenses renew annually and expire at the end of the licensee’s birth month. Elevator mechanics who fail to renew within 60 days have their license terminated. Inactive status is available for most trades at reduced fees. See Requirements.

What about LP gas contractors?

LP gas requires proof of financial responsibility and licensing. Five classes cover different scopes: Class A (selling, delivering, filling — $200 for 2 years), Class B (selling containers under 100 lb — $100), Class C (filling DOT containers — $100), Class D (storing for resale — $50), Class E (installing and connecting — $50). Insurance ranges from $100,000 to $1,000,000. See LP Gas.

How does Kentucky's licensing model compare to general-contractor states?

Kentucky is a trade-only licensing state — there is no general contractor license. This contrasts sharply with states like Florida, Louisiana, or Alabama that license general contractors. Compare Kentucky to other trade-only states, not to general contractor board states. See Construction work regulated.

How is DHBC structured?

All 7 regulatory divisions are housed within one department (DHBC) at 500 Mero Street, Frankfort. Each division has its own phone number, application forms, exam schedule, and fee structure. The divisions cover plumbing, HVAC, electrical, boiler, fire protection, fire prevention (LP gas and UST), and elevators. See Who regulates construction.

What types of construction work are regulated at the state vs. local level?

Kentucky regulates plumbing, HVAC, electrical, elevator, boiler, fire protection sprinkler, LP gas, underground petroleum storage tanks, and manufactured home installation at the state level. General contracting is not regulated at the state level and may be subject to local requirements.

How does the single-department model affect regulatory complexity?

While all divisions share the same parent department and physical address, each has its own requirements, exams, fees, insurance minimums, and renewal timing. The single-department structure simplifies routing (one address) but does not simplify compliance (each trade is distinct).

What are the fees across trades?

Fees vary significantly. Plumbing master: $250 license + $150 exam. Electrical contractor: $200 + $60 exam. HVAC master: $250 + $80 exam. Fire protection sprinkler: $250. Elevator contractor: $240. UST contractor: $300 + $50 exam. LP gas ranges from $50 to $200 for 2-year licenses. See Requirements.

What license classifications does Kentucky use?

Kentucky issues credentials across 9 categories: plumbing (journeyman, master), HVAC (journeyman, master), electrical (contractor, master, journeyman), boiler contractor, fire protection (sprinkler, chemical suppression, range hood), LP gas (Classes A–E), UST (installer/remover, remover only, liner only), elevator (contractor, mechanic, accessibility/residential mechanic, apprentice), and manufactured home installer. See Types of licenses.

How does reciprocity work in Kentucky?

Reciprocity is limited and trade-specific. Ohio has HVAC and electrical reciprocity. Virginia and West Virginia have electrical only. For all other trades, Kentucky may recognize credentials case-by-case if standards are substantially equal. There is no statewide reciprocity arrangement. See Reciprocal agreements.

What exam requirements exist across divisions?

Exam passing scores vary: plumbing journeyman 75%, plumbing master 80%, elevator mechanic 70%. Other trades require department-prescribed exams without published minimum scores. Fire protection requires NICET Level III or IV certification. Manufactured home installers must complete a 15-hour course before the exam. See Requirements.

What are the renewal cycles?

All licenses renew annually, tied to the licensee’s birth month. LP gas licenses are the exception — they are issued for 2-year terms. Elevator mechanics who fail to renew within 60 days have their license terminated. Most trades offer inactive status at reduced fees.

How does the insurance landscape compare across trades?

Insurance requirements range widely: $250,000 for plumbing and manufactured homes, $500,000 for HVAC and electrical, up to $1,000,000 for elevator and fire protection. LP gas ranges from $100,000 (Class D) to $1,000,000 (Class A). UST requires $500,000 general liability plus $25,000 pollution liability. This variation is important for cross-trade analysis.

How does Kentucky compare to neighboring states?

Kentucky’s trade-only model (no general contractor license) distinguishes it from neighbors like Tennessee and Virginia that license general contractors. The single-department structure (all trades under DHBC) is more centralized than Alabama’s 8-board model or Arkansas’s 10-agency model. See the South region guide.

Start with your goal

Pick the card that matches what you need right now. Each one links to the relevant section on this page.

Is licensure triggered?

Start with whether your trade requires state-level licensing in Kentucky.

Find the right regulator

Use the regulator directory to route your question to the correct DHBC division.

Application and renewal details

Exams, fees, experience, insurance, continuing education, and renewal cycles for each trade.

Reciprocity direction

Find out which DHBC divisions recognize out-of-state credentials.

Special considerations

Different roles need different things from a Kentucky page. Use the tab that matches your situation to see what matters most before you read the full detail below.

Contractors
Regulators

Start with your trade. In Kentucky, there is no general contractor license — the question is which trade credential you need from DHBC.

Kentucky does not have a statewide general contractor license.
Plumbing, HVAC, electrical, elevator, boiler, fire protection, LP gas, underground storage tank, and manufactured home installation all require separate state-level credentials.
There are no dollar thresholds — if the trade is regulated, licensing is required regardless of contract value.
All licenses renew annually and expire at the end of the licensee’s birth month.
Insurance requirements vary by trade: general liability ranges from $250,000 (plumbing, manufactured homes) to $1,000,000 (elevator, fire protection).
Ohio, Virginia, and West Virginia have reciprocity for electrical licensing; Ohio also has HVAC reciprocity.

Readiness checklist

Four things you need to confirm before you can treat Kentucky as “ready” for a bid or an application. If any of these are unclear, you are not ready yet.

Identify the regulated trade

Determine whether the work involves plumbing, HVAC, electrical, boiler, fire protection, LP gas, underground storage tanks, elevators, or manufactured home installation.

Confirm there is no dollar threshold

Kentucky licenses by trade, not by contract value. If the trade is regulated, a credential is required regardless of the dollar amount.

Route to the correct DHBC division

All divisions are within DHBC at 500 Mero Street, Frankfort, but each has its own phone number, application forms, and exam schedule.

Confirm the requirement set

Confirm exams, experience hours, insurance minimums, fees, continuing education, and renewal timing for the specific trade before filing.

If you can identify the trade, the correct DHBC division, and the full requirement set (exam, experience, insurance, fees, renewal), you have the minimum package needed for a Kentucky readiness check.

Use these links to jump to related cross-state comparisons and workflows.

New state evaluation if you are screening Kentucky for the first time.
Multi-state bid readiness if you need to compare Kentucky with nearby jurisdictions.
Licensing thresholds or prequalification patterns for cross-state context.

Construction work regulated

Kentucky requires state-level licensing for specific trades, not based on contract value. If the work involves a regulated trade, a credential is required from DHBC regardless of the dollar amount.

Work lane	What triggers regulation
Plumbing	All plumbing contractors and tradesmen
HVAC	All HVAC contractors and tradesmen
Electrical	All electrical contractors and tradesmen
Elevator	All elevator contractors and tradesmen
Boiler	All boiler installation, erection, or repair
Fire protection sprinkler	All fire protection sprinkler contractors
LP gas	All LP gas retailers and contractors
Underground petroleum storage tank	All UPST contractors
Manufactured home installation	All manufactured home and mobile home installations

Kentucky does not have a statewide general contractor license. General contracting is not regulated at the state level — only the specific trades listed above require DHBC credentials.

Common determination scenarios

If you are trying to figure out where to start, expand the scenario that is closest to your situation.

Plumbing, HVAC, or electrical project

These three trades are the most commonly licensed through DHBC. Each has its own division, exam, experience requirements, and fee schedule. Start by identifying the specific trade, then route to the correct division for application forms.

Elevator installation or maintenance

Elevator mechanics need 36 months of work experience (or equivalent) and must pass an exam with at least 70%. Elevator contractors must employ at least one licensed mechanic and show 3 years of experience. Both require annual renewal with 8 hours of continuing education.

Fire protection or sprinkler system

Fire protection sprinkler contractors must hold or employ a certificate holder. NICET Level III or IV certification is required for sprinkler system certificates of competency. Insurance minimums are substantial: $500,000 per person, $1,000,000 per occurrence.

Out-of-state contractor with reciprocal credentials

Kentucky has reciprocal agreements with Ohio for HVAC and electrical licensing, and with Virginia and West Virginia for electrical licensing. For other trades, Kentucky may recognize credentials case-by-case if the issuing state’s standards are substantially equal.

Manufactured home installation

All manufactured home and mobile home installations require a certified installer. Applicants must complete a 15-hour approved course, pass the exam, and carry general liability insurance of at least $250,000. Applicants with an active HUD installation license or a license from a reciprocal state are exempt from Kentucky exam and experience requirements.

Who regulates construction

Kentucky houses all trade licensing under a single department — DHBC — with separate divisions for each trade. All divisions share the same street address at 500 Mero Street in Frankfort, but each has its own phone number and application process.

Plumbing contractors and tradesmen — Division of Plumbing

500 Mero St., FL 1, Frankfort, KY 40601-1298Phone: (502) 573-0397 | Fax: (502) 573-1058Website: dhbc.ky.gov

HVAC contractors and tradesmen — Division of HVAC

500 Mero St., FL 1, Frankfort, KY 40601-1298Phone: (502) 573-0395 | Fax: (502) 573-1401Website: dhbc.ky.gov

Electrical contractors and tradesmen — Division of Electrical

500 Mero St., FL 1, Frankfort, KY 40601-1298Phone: (502) 573-1797 | Fax: (502) 573-1598Website: dhbc.ky.gov

Boiler contractors — Boiler Inspection Section

500 Mero St., FL 1, Frankfort, KY 40601-1298Phone: (502) 573-1708 | Fax: (502) 573-1058Website: dhbc.ky.gov

Fire protection sprinkler contractors — Fire Protection Systems

500 Mero St., FL 1, Frankfort, KY 40601-1298Phone: (502) 573-0385 | Fax: (502) 573-1004Website: dhbc.ky.gov

LP gas and underground petroleum storage tank — Division of Fire Prevention

500 Mero St., FL 1, Frankfort, KY 40601-1298Phone: (502) 573-1702 | Fax: (502) 573-1695Website: dhbc.ky.gov

Elevator contractors and tradesmen — Elevator Section

500 Mero St., FL 1, Frankfort, KY 40601-1298Phone: (502) 573-1694 | Fax: (502) 573-1059Website: dhbc.ky.gov

Requirements

Each DHBC division has its own exam, experience, insurance, fee, and renewal requirements. Expand the trade that applies to your situation. Fee tables are included in each section.

Plumbing

Requirement	Detail
Minimum age	18 years
Journeyman exam	Kentucky journeyman plumber examination, minimum 75% on each portion
Journeyman experience	2 consecutive years as apprentice, or department-approved course plus 1 year as apprentice
Master exam	Kentucky master plumber examination, minimum 80% on each portion
Master experience	Valid KY journeyman license for minimum 2 years within past 5 years, plus 2 years employed under a master plumber (or equivalent alternatives)
Insurance (Master)	General liability not less than $250,000; workers’ compensation and unemployment insurance compliance
Renewal cycle	Annual, expires at end of licensee’s birth month
Continuing education	Required for renewal; completion must be shown if renewing after expiration

License Type	Exam Fee	License and Renewal Fee	Inactive Status Fee	Reactivation Fee
Journeyman	$50	$60	$30	$30
Master	$150	$250	$125	$125

HVAC

Requirement	Detail
Minimum age	18 years
Citizenship	U.S. citizen or authorized resident alien
Master experience	2 years under a master HVAC contractor, or 2 years as master HVAC in another jurisdiction, or 2 years as licensed mechanical engineer
Journeyman experience	2 years in HVAC trades under a master contractor, or 2 years performing HVAC work in KY or another jurisdiction
Exam	Department-prescribed examination for both journeyman and master
Insurance (Master)	General liability $500,000, property damage $300,000
Renewal cycle	Annual, expires at end of licensee’s birth month

License Type	Exam Fee	Renewal Fee	Inactive Status Fee	Restoration Fee	Reactivation Fee
Journeyman	$80	$50	$20	$25	$20
Master	$80	$250	$20	$125	$20

Exam fees cannot exceed the actual cost of the exam.

Electrical

Requirement	Detail
Electrical contractor	Must pass Business and Law Exam; must hold or employ a licensed master electrician
Electrical contractor insurance	General liability not less than $500,000; workers’ compensation and unemployment insurance compliance
Master electrician exam	Master Electrician’s Exam
Master electrician experience	16,000 hours verifiable experience (approved apprenticeship of 576 hours substitutes for 4,000 hours; associate degree substitutes for 6,000 hours; 2 years teaching substitutes for 4,000 hours)
Electrician (journeyman) exam	Journeyman’s Electrical Exam
Electrician experience	8,000 hours verifiable experience (approved apprenticeship of 576 hours substitutes for 4,000 hours; associate degree substitutes for 4,000 hours; 2 years teaching substitutes for 4,000 hours)
Renewal cycle	Annual, expires at end of licensee’s birth month

License Type	Exam Fee	Application and Renewal Fee	Late Renewal Fee	Reinstatement Fee
Electrical Contractor	$60	$200	$50	$200
Master Electrician	$100	$100	$50	$100
Electrician	$100	$50	$50	$50

Inactive status is available for any electrical license. Inactive renewal fees are half of the active renewal fee. Reactivation costs the remaining half of the renewal fee for that year.

Boiler

Requirement	Detail
Exam	Department-prepared and administered examination required
Scope	Installing, erecting, or repairing boilers
Initial license fee	$250
Renewal fee	$175
Renewal cycle	Annual, not later than the first of the month following expiration

Fire Protection Sprinkler Contractors

Requirement	Detail
Certificate of competency	Must hold or employ a certificate holder
Sprinkler system certificate	NICET Level III or IV in automatic sprinkler systems layout
Chemical suppression (limited)	Current training certificate from manufacturers of UL-listed or FM-approved systems
Chemical suppression (unlimited)	NICET Level III or IV in special hazards
Range hood suppression	Current training certificate from manufacturers of UL-listed or FM-approved systems
Insurance	Liability $500,000 per person, $1,000,000 per occurrence, $1,000,000 property damage, errors and omissions included; workers’ compensation
Contractor license fee	$250 initial and renewal
Certificate of competency fee	$125 initial and renewal
Renewal cycle	Annual, expires at end of birth month

Underground Petroleum Storage Tank (UPST)

Requirement	Detail
Exam	Department examination required
Experience	5 years immediately prior to application, involving minimum 6 underground storage tanks (technical training reduces by one-third; BS engineering or KY engineering license reduces by two-thirds)
Insurance	General liability minimum $500,000; pollution liability minimum $25,000 per occurrence
Renewal cycle	Annual

License Type	Exam Fee	Initial Application Fee	Renewal Fee	Re-Test Fee
UPST Contractor	$50	$300	$100	$25

LP Gas (Classes A through E)

Requirement	Detail
Scope	All aspects of LP gas business require proof of financial responsibility and licensing
Class A	Selling, delivering, filling containers, requires 18,000-gallon minimum storage (in-state) or storage within 50 miles of KY border (out-of-state)
Class B	Selling or delivering in containers of 100 lb or less; installing and connecting LP gas equipment
Class C	Selling or filling DOT containers of 45 lb or less, or motor vehicle fuel
Class D	Storing for resale in DOT containers of 45 lb or less
Class E	Assembling, repairing, installing, or connecting LP gas equipment

License Type	License Fee	Minimum Liability Insurance
Class A	$200 (2-year license)	$1,000,000
Class B	$100 (2-year license)	$500,000
Class C	$100 (2-year license)	$500,000
Class D	$50 (2-year license)	$100,000
Class E	$50 (2-year license)	$500,000

Elevators

Requirement	Detail
Mechanic experience	36 months work experience in the elevator industry, or equivalent military service
Mechanic exam	Department exam based on most recent referenced codes, minimum 70%
Mechanic alternatives	Certificate from nationally recognized training program, or apprenticeship completion registered with U.S. Dept of Labor
Contractor requirement	Must employ at least 1 elevator mechanic; 3 years verifiable experience as elevator mechanic (via W-2s)
Contractor insurance	General liability $1,000,000 (injury or death), property damage $500,000, workers’ compensation
Continuing education	8 hours required before each annual renewal
Renewal cycle	Annual, due by last day of birth month; failure to renew within 60 days terminates the license

License Type	Exam Fee	Initial Application Fee	Renewal Fee	Reactivation Fee
Contractor	N/A	$240	$240	$120
Mechanic	≤ $100	$96	$96	$48
Accessibility and Residential Mechanic	≤ $100	$96	$96	$48
Apprentice	N/A	N/A	N/A	N/A

Manufactured Home Installers

Requirement	Detail
Education	15-hour approved course of education
Exam	Department-administered certified installer exam
Insurance	General liability not less than $250,000; workers’ compensation (or notarized waiver)
Experience	Proof of experience required
Reciprocity exemption	Applicants with an active HUD installation license or license from a reciprocal state are exempt from KY exam and experience requirements
Application fee	$100
Renewal fee	$50
Continuing education	5 hours required for renewal
Renewal cycle	Annual, expires in birth month

Reciprocal agreements

Kentucky has limited reciprocal agreements, primarily with Ohio for HVAC and electrical licensing, and with Virginia and West Virginia for electrical licensing. For other trades, Kentucky may recognize out-of-state credentials on a case-by-case basis if the issuing state’s standards are substantially equal.

Reciprocity in Kentucky is trade-specific, not statewide. Always confirm which DHBC division handles the trade before assuming an out-of-state credential transfers.

Trade	Reciprocal states	Coverage
HVAC	Ohio	1 state
Electrical	Ohio, Virginia, West Virginia	3 states
Manufactured home installation	HUD license holders and states with reciprocal agreements	Limited
All other trades	Case-by-case if issuing state has substantially equal standards	Case-by-case

Kentucky's case-by-case recognition process

Kentucky may recognize, on a case-by-case basis, out-of-state credentials for an applicant that holds a current license, certification, or registration in another state whose standards are substantially equal to those required by the Commonwealth. This is not automatic — applicants must apply through the relevant DHBC division and demonstrate equivalency.

Types of licenses

Kentucky issues trade-specific credentials across 9 categories. Use this section to confirm the exact license name for an application or comparison.

Plumbing

Journeyman Plumber
Master Plumber

HVAC

Journeyman HVAC Mechanic
Master HVAC Contractor

Electrical

Electrical Contractor
Master Electrician
Electrician (Journeyman)

Boiler and Fire Protection

Boiler and Pressure Vessel Contractor
Fire Protection Sprinkler Contractor
Chemical Suppression System (Limited)
Chemical Suppression System (Unlimited)
Range Hood Suppression System

LP Gas and UPST

LP Gas Class A
LP Gas Class B
LP Gas Class C
LP Gas Class D
LP Gas Class E
Underground Petroleum Storage Tank Installer/Remover
Underground Petroleum Storage Tank Remover Only
Underground Petroleum Storage Tank Liner Only

Elevator

Elevator Contractor
Elevator Mechanic
Accessibility and Residential Mechanic
Elevator Apprentice

Manufactured Homes

Certified Installer

South region guide

Browse all South jurisdictions for comparison.

Contractors guide

Cross-state guidance for contractors evaluating new jurisdictions.

Regulators guide

Cross-state guidance for comparing regulatory models and agency structures.

Neighboring jurisdictions with reciprocity ties:

Ohio

HVAC and electrical reciprocity with Kentucky.

Virginia

Electrical licensing reciprocity with Kentucky.

West Virginia

Electrical licensing reciprocity with Kentucky.

Start Here

Northeast

South

Midwest

West

Territories and DC

At a glance

Frequently asked questions

Start with your goal

Is licensure triggered?

Find the right regulator

Application and renewal details

Reciprocity direction

Special considerations

Readiness checklist

Navigation

Construction work regulated

Common determination scenarios

Who regulates construction

Requirements

Reciprocal agreements

Types of licenses

See also

South region guide

Contractors guide

Regulators guide

Ohio

Virginia

West Virginia

​At a glance

​Frequently asked questions

​Start with your goal

Is licensure triggered?

Find the right regulator

Application and renewal details

Reciprocity direction

​Special considerations

​Readiness checklist

​Navigation

​Construction work regulated

​Common determination scenarios

​Who regulates construction

​Requirements

​Reciprocal agreements

​Types of licenses

​See also

South region guide

Contractors guide

Regulators guide

Ohio

Virginia

West Virginia

At a glance

Frequently asked questions

Start with your goal

Special considerations

Readiness checklist

Navigation

Construction work regulated

Common determination scenarios

Who regulates construction

Requirements

Reciprocal agreements

Types of licenses

See also