C.L. O'Brien Plumbing & Heating Inc. has been proudly serving the Peoria area with efficient and reliable plumbing services and plumbing repair for over 90 years. Started in 1924 by former mayor of Peoria, Chas L. O'Brien, C.L. O'Brien Plumbing is in it's third generation of ownership and is currently run by Mike O'Brien. We are open Monday through Friday from 7AM to 3:30PM. Call us at (309)685-0713 for any of your plumbing (plumbing contractors) and heating needs.