Washington, IL · Serving Central Illinois
From full remodels and home additions to framing, flooring, decks and finished basements — 15+ years of hands-on experience on every job. Locally owned. Free estimates.
Remodeling to new construction — if it's part of your home, we've probably built it, fixed it, or made it better.
Kitchens, bathrooms and whole-room updates that transform how your home lives.
More space, built to match — from bump-outs to full room additions.
Straight, square, solid. Structural framing for additions, garages and new builds.
Luxury vinyl plank, laminate and more — installed clean and finished right.
Turn unused square footage into living space, rec rooms or home offices.
New builds, refreshes and repairs — outdoor spaces built to be used.
Finish carpentry that makes a room: trim, built-ins and custom mantels.
Hanging, taping, patching and paint-ready finishes, ceilings included.
Replacement and installation — entry doors, sliders, walkout basement doors.
Fence installation that's set straight and built to hold up to Illinois weather.
The punch list nobody else wants — done properly, at a fair price.
Ground-up projects managed start to finish by the person swinging the hammer.
K.O. Construction-Remodeling is owned and run by John O'Neill, a working general contractor in Washington, Illinois with over 15 years in the trades. When you hire K.O., you're not getting a salesman and a rotating cast of subs — you're getting the person who quoted the job on the job.
That means straight answers, clear communication from start to finish, showing up when we say we will, and work we're willing to put our name on.
Based in Washington, IL — serving Morton, East Peoria, Peoria, Metamora, Eureka, Germantown Hills and surrounding Central Illinois communities.
(309) 645-4587
ko.construction100@gmail.com
Facebook: @ko.construction100
"Punctual, professional, and paid attention to every detail. The framing was completed efficiently with top-notch quality, and communication was clear the whole way through. Highly recommend."
"Couldn't be happier with our new vinyl plank flooring. John was professional, on time, finished ahead of schedule, and kept us involved through the whole process — and the price was right."
"Did a great job refreshing our deck and building a large screen room. It turned out exactly how we wanted."
"Replaced a ceiling in our sunroom entry and the door from our walkout basement. Very nice work at a very reasonable cost — we were very pleased with the work and the service."
Tell us about your project and we'll get back to you — usually within one business day. Prefer to talk? Call or text (309) 645-4587.