Building Codes

Current Codes Being Used (not inclusive of all Federal and State of Illinois Requirements):

Note 1: with local amendments (PDF)

Note 2: with State amendments

Rock Island County has copies of these codes available for viewing during office hours. Unfortunately, some of these are copyright protected so we cannot post them on the Internet or make copies.

Ice and Water Barrier

One of the most commonly asked question is whether or not we require Ice and Water Barrier. Simple answer is yes. In Rock Island County, with our weather, we have had a history of ice damming. This product helps protect your roof from ice and water working its way out of your gutter back up under your shingles. We have drafter a letter confirming this for use with your insurance companies, it is available on our downloads page