Uniform Mechanical Code - Page 1 | Plumbing & Mechanical

IAPMO Publishes 2027 Editions of UPC, UMC

The UPC is developed to govern the installation and inspection of plumbing systems as a means of promoting the public’s health, safety and welfare.

Plumbing & Mechanical Editorial Staff

June 12, 2026

IAPMO has published the 2027 editions of the Uniform Plumbing Code (UPC) and Uniform Mechanical Code (UMC) in both hardcopy and electronic versions.

Monographs for Uniform Code changes available for download

Monographs contain every public comment submitted for the 2027 editions of the UPC and UMC as part of the code development process employed by IAPMO.

March 31, 2025

IAPMO makes the 2025 Uniform Plumbing Code and Uniform Mechanical Code technical committee meeting monographs available online.

IAPMO, Pace to publish UMC Chapter 17 as standalone document for Geothermal Energy Systems and Ambient Temperature Loops (ATL)

September 13, 2024

The document addresses the need for enforceable safety provisions for geothermal district ambient temperature loop systems.

IAPMO makes Tentative Interim Amendment (TIA) available for public comment

August 26, 2024

The deadline to submit comments is Sept. 5.

IAPMO extends application deadline for UPC and UMC Task Group Members

July 1, 2024

The deadline to apply has been extended to July 12.

IAPMO code change monographs now available

April 8, 2024

The Technical Committee Meeting Monographs contain every code change proposal submitted for the 2027 editions of the UPC and UMC as part of the ANSI-accredited consensus code development process employed by IAPMO.