← Plumbing home
Adoption & licensing, state by state
51 records — 50 states and DC. Each was compiled from official state sources and shows
its verification state area by area. A record marked partially verified names, on its own
page, the exact point that would complete it.
Alabama
— 2021 IPC — state scope; local elsewhere, effective 2022-07-01 ·
verifiedAlaska
— 2018 UPC, effective 2020-04-24 ·
verifiedArizona
— no statewide code ·
verifiedArkansas
— 2018 Arkansas Plumbing Code (2018 IPC base), effective 2021-08-12 ·
verifiedCalifornia
— 2025 California Plumbing Code (2024 UPC base), effective 2026-01-01 ·
verifiedColorado
— Colorado Plumbing Code (2021 IPC), effective 2023-04-14 ·
verifiedConnecticut
— 2021 IPC, effective 2022-10-01 ·
verifiedDelaware
— 2021 IPC, effective 2022-08-11 ·
verifiedDistrict of Columbia
— 2017 DC Plumbing Code (2015 IPC base), effective 2020-05-29 ·
verifiedFlorida
— Florida Building Code, Plumbing — 8th Ed. (2023), effective 2023-12-31 ·
verifiedGeorgia
— 2024 IPC with Georgia amendments ·
partially verifiedHawaii
— Hawaii State Plumbing Code (2018 UPC), effective 2020-05-19 ·
verifiedIdaho
— Idaho State Plumbing Code (2015 UPC), effective 2023-03-28 ·
verifiedIllinois
— Illinois Plumbing Code (state-written), effective 2004-02-18 ·
verifiedIndiana
— 2012 Indiana Plumbing Code (2006 IPC), effective 2012-12-24 ·
verifiedIowa
— 2024 UPC, effective 2025-03-26 ·
verifiedKansas
— no statewide code ·
verifiedKentucky
— Kentucky State Plumbing Code (state-written) ·
verifiedLouisiana
— 2021 IPC, effective 2023-01-01 ·
verifiedMaine
— 2021 UPC, effective 2022-01-01 ·
verifiedMaryland
— 2018 IPC, effective 2019-12-30 ·
verifiedMassachusetts
— 248 CMR 10.00 — Uniform State Plumbing Code (state-written), effective 2023-12-08 ·
verifiedMichigan
— 2021 Michigan Plumbing Code (2021 IPC), effective 2024-03-12 ·
verifiedMinnesota
— 2020 Minnesota Plumbing Code (2018 UPC base), effective 2021-12-17 ·
verifiedMississippi
— no statewide code ·
partially verifiedMissouri
— no statewide code ·
verifiedMontana
— 2024 UPC, effective 2026-09-26 ·
verifiedNebraska
— no statewide code ·
verifiedNevada
— no statewide code ·
verifiedNew Hampshire
— 2021 IPC, effective 2025-07-01 ·
verifiedNew Jersey
— NSPC — 2024, NJ edition, effective 2026-08-17 ·
verifiedNew Mexico
— 2021 NM Plumbing Code (2021 UPC), effective 2018-05-15 ·
verifiedNew York
— 2025 Plumbing Code of NY State (2024 IPC base), effective 2025-12-31 ·
verifiedNorth Carolina
— 2018 NC Plumbing Code (2015 IPC base), effective 2019-01-01 ·
verifiedNorth Dakota
— 2018 North Dakota Plumbing Code (2018 UPC), effective 2020-04-01 ·
verifiedOhio
— 2024 Ohio Plumbing Code (2021 IPC), effective 2024-03-01 ·
verifiedOklahoma
— 2024 IPC (commercial) · IRC (residential), effective 2026-09-14 ·
verifiedOregon
— 2026 Oregon Plumbing Specialty Code (2024 UPC base), effective 2026-10-01 ·
verifiedPennsylvania
— 2021 IPC (UCC), effective 2026-01-01 ·
verifiedRhode Island
— 2021 IPC (RISBC-3), effective 2025-12-01 ·
verifiedSouth Carolina
— 2021 SC Plumbing Code (2021 IPC), effective 2023-01-01 ·
verifiedSouth Dakota
— 2024 UPC, effective 2025-10-28 ·
verifiedTennessee
— 2021 IPC, effective 2025-04-17 ·
verifiedTexas
— 2018 UPC + 2018 IPC (dual adoption) ·
verifiedUtah
— 2024 IPC, effective 2026-07-01 ·
verifiedVermont
— 2024 IPC, effective 2025-11-04 ·
verifiedVirginia
— 2021 Virginia Plumbing Code (2021 IPC), effective 2024-01-18 ·
verifiedWashington
— 2021 UPC, effective 2024-03-15 ·
verifiedWest Virginia
— 2018 IPC (local-option), effective 2022-08-01 ·
verifiedWisconsin
— SPS 381–387 (state-written), effective 2023-10-01 ·
verifiedWyoming
— no statewide code ·
partially verified
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.
