Indiana Plumbing Contractor (C-36 / Master Plumber)
Official statutory licensing standards, state surety bond mandates, and commercial liability minimums overseen by the Indiana Professional Licensing Agency (IPLA).
Contractor Liability & Bond Premium Estimator
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Plumbing Contractor (C-36 / Master Plumber) Scope of Work & Legal Permitting Authority
Plumbing Contractors handle domestic water supply, sanitary drainage, venting, medical gas, and underground infrastructure.
Defined Authorized Scope of Construction:
Sewer main replacements, rough-in DWV piping, commercial boilers, backflow prevention, natural gas piping, and water filtration plants.
Mandatory Experience Prerequisites
4 to 5 years verified apprenticeship and journey-level plumbing experience, Uniform Plumbing Code (UPC/IPC) exam pass
Required Insurance Policy Endorsements
Water Damage Liability Extension, Underground Resources Endorsement, Pollution Liability (CPL)
How to Obtain a Plumbing Contractor (C-36 / Master Plumber) License in Indiana
Official 4-step compliance path pursuant to Indiana Code Title 25 Article 28.5 & County Licensing Jurisdictions.
Legal Entity & EIN Formation
Indiana Business Entity Filing StatutesForm your business entity (LLC, Corporation, or Sole Proprietorship) with the Indiana Secretary of State and secure your Federal Employer Identification Number (FEIN). Ensure your registered business name precisely matches all state board filings.
Designate Qualifying Individual (QI)
Indiana Professional Licensing Agency (IPLA) Experience Verification RulesAppoint a Qualifying Party, Primary Qualifying Agent, or Responsible Managing Employee (RME). The QI must verify 4 to 5 years verified apprenticeship and journey-level plumbing experience, Uniform Plumbing Code (UPC/IPC) exam pass and satisfy experience criteria governed under Indiana Code Title 25 Article 28.5 & County Licensing Jurisdictions.
Execute Statutory Bond & Insurance
Indiana Code Title 25 Article 28.5 & County Licensing Jurisdictions Financial Responsibility MandatesSecure the mandatory $5,000 - $15,000 contractor license bond executed by an admitted surety. File an official Certificate of Insurance (COI) maintaining at least $500,000 Each Occurrence / $1,000,000 General Aggregate Commercial General Liability, naming Indiana Professional Licensing Agency (IPLA) as certificate holder.
Examination & Board License Issuance
PSI Services Candidate Information Bulletin (CIB)Complete the Indiana Business & Law examination along with the specific Plumbing Contractor technical trade examination administered by PSI Services. Submit application fees ($100) to receive official licensure and permit pull authorization.
Ready to file with the Indiana Professional Licensing Agency (IPLA)?
Make sure your General Liability Certificate (listing the state board as certificate holder) and your statutory $5,000 - $15,000 are electronically active prior to submitting application fees.
Indiana Plumbing Contractor 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 Plumbing Contractor in Indiana?
Yes. Operating as a plumbing contractor contractor in Indiana requires full licensure issued by the Indiana Professional Licensing Agency (IPLA) under Indiana Code Title 25 Article 28.5 & County Licensing Jurisdictions. Municipalities and commercial property owners verify active board licenses prior to permit issuance.
What technical qualifications and testing benchmarks are required for Plumbing Contractors in Indiana?
Applicants must document 4 years documented structural framing, commercial shear wall assembly, and crane signalperson certification and adhere to International Building Code (IBC Chapter 16) Structural Load Engineering & AISC 303 Code of Standard Practice.
What are the commercial general liability insurance minimums for a Plumbing Contractor in Indiana?
Under Indiana statutory and commercial bidding standards, plumbing contractor contractors typically must maintain at least $500,000 Each Occurrence / $1,000,000 General Aggregate in general liability protection. Policies must include coverage for bodily injury, property damage, and completed operations.
How much does the required Indiana Plumbing Contractor surety bond cost?
The statutory bond threshold in Indiana is $5,000 - $15,000 (City/County license bond requirement). 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 Plumbing Contractors in Indiana?
Mandatory for all employers with 1+ employees. Regardless of minimum employee exemptions under Indiana 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 Indiana offer contractor license reciprocity for Plumbing Contractors?
Indiana maintains formal reciprocal exam agreements or license verifications with: KY, OH. Qualifying out-of-state contractors in good standing under equivalent statutory frameworks may apply to waive the trade examination portion.
Audited by Pasi Tapio Hakamaki • Managing Editor
This compliance benchmark for Indiana Plumbing Contractor (C-36 / Master Plumber) contractors is audited against primary state legislative statutes (Indiana Code Title 25 Article 28.5 & County Licensing Jurisdictions) and administrative rules published by the Indiana Professional Licensing Agency (IPLA). 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 Plumbing Contractor Rules in Reciprocal & Regional States
Review statutory licensing, bond costs, and reciprocity waiver rules for this classification across neighboring jurisdictions.
Related Plumbing & Water Systems Licenses in Indiana
Contractors working in plumbing & water systems often hold dual credentials or subcontract with these complementary classifications.
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