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Indiana — plumbing code & licensing

Verified

The code

Code familyIPC
Edition in force2012 Indiana Plumbing Code (675 IAC 16-1.4) - adopts the International Plumbing Code, 2006 Edition, Second Printing, with Indiana amendments stated in the rule
Effective date2012-12-24
Adopted byIndiana Fire Prevention and Building Safety Commission (Indiana Department of Homeland Security)
Adoption sourcehttps://www.in.gov/dhs/boards-and-commissions/fpbsc-rules/
State amendmentsAmendments ride in the adoption document itself — https://www.in.gov/dhs/boards-and-commissions/fpbsc-rules/

Licensing

ModelState individual licensing: Journeyman Plumber and Plumbing Contractor licenses (including corporate plumbing contractor licenses) under IC 25-28.5, with Apprentice Plumber registration; Indiana has no master plumber license
AuthorityIndiana Plumbing Commission, Indiana Professional Licensing Agency
Licensing sourcehttps://www.in.gov/pla/professions/plumbing-home/plumbing-licensing-information/
License classeshttps://www.in.gov/pla/professions/plumbing-home/plumbing-licensing-information/

Permits & inspections

Not yet recorded.

How this record was verified

AdoptionVerified
AmendmentsVerified
LicensingVerified
Permits & inspectionsNot yet verified

Open points on this record: permit/inspection detail isn't established.

Working notes

The Commission's rules page lists 675 IAC 16-1.4 as Currently in Effect. One- and two-family dwellings also sit under the 2020 Indiana Residential Code (675 IAC 14-4.4, based on the 2018 IRC, effective 12/26/2019) per the same official rules table. Permit/inspection rules are administered locally; no official state source stating them was opened in this pass, so that field is left blank.

Compiled from the official sources above; retrieved 2026-10-31. Record basis: official text read firsthand.

Reference only. Compiled from the cited official sources as of the date shown; adoptions and rules change. Confirm with the authority having jurisdiction before designing or permitting work.