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Washington, Illinois Building Codes

Updated : 04/22/2024

Overview

Washington, IL has adopted the 2012 International Codes, with amendments, including the 2012 IRC and IBC. Washington, IL Muni. Codes § 160.003 (adoptions) and § 160.005 (amendments).

Helpful resources for Washington, Illinois include the following.

Residential Building Code

Illinois has yet to adopt a statewide residential code. Local laws will control.See PLRB, Illinois Building Codes for more information on state level codes.

Washington adopted the 2012 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the model code here.

You can find information about amendments to the model code here.

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Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Washington ? Yes
Comments:

While no formal online code was located regarding ice barriers, Becky Holmes, Building & Zoning Supervisor of Washington, IL confirmed they are required. (Per email 4/18/19.)

Government Officials
Last Name First Name Title E-mail Phone Note
Oliphant Jon Director of Planning & Development joliphant@ci.washington.il.us 309/444-1135

Comments

Washington, IL has adopted the 2012 IRC including appendices G and H. 

Amend Section 313.2 One- and two-family dwelling automatic fire systems to read as follows:

Section R313.2. One- and two-family dwelling fire systems. An automatic residential fire-sprinkler system shall not be required to be installed in one- and two-family dwellings. If one is installed, however, it shall comply with the relevant code sections of the International Residential Code. 

Commercial Building Code

Washington adopted the 2012 IBC, locally . Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the code here.You can find information about amendments to the model code here.

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Existing Buildings

Washington, IL did not adopt the IEBC, therefore Chapter 34 of the IBC would apply.

 

Other Building Codes

Washington, IL also adopted the following codes:

2012 International Mechanical Code. Washington, IL Muni. Code § 160.003.

Illinois State Plumbing Code. Washington, IL Muni. Code § 160.003.

National Electrical Code. Washington, IL Muni. Code § 160.003.

2006 Life Safety Code (NFPA 101). Washington, IL Muni. Code § 160.003.