About Us

A Word From The Owner

I am Warren Salihar Jr, President, and founder of GenOne Constructions.

I have been a self-employed construction businessman since 1977 when I created my first construction company, Warren & Son, INC, which serviced the Chicago metro area and it’s surrounding suburbs.

Warren & Son was not only a commercial general contractor but also owned and operated a custom cabinet manufacturing company that constructed and installed architectural casework; catering to the likes of Northwestern Hospital, Elmhurst Hospital, Chicago Public School System, Olympia Fields Hospital, Lincoln Park Zoo, United States Surgical, and numerous restaurants, doctors offices, and upper end offices and condominiums along Chicago’s Magnificent Mile, including Chicago’s premier shopping area, Water Tower Place.

In 1999, Warren & Son was sold, so I could pursue my growing passion for designing and building in the residential market, constructing both multi-family and single family residences. 

We Love to Build!

Attention to Detail

That pretty much explains what we are all about. With over 60 years of combined experience in our staff, Gen-One Construction has built everything from backyard decks to multi-million dollar projects. We take pride in providing the best possible products at the most affordable pricing to deliver your project on time and within budget.

Our expertise lies not only in what it takes to physically build, but also to manage your project. We have cultivated relationships with the best contractors in the business, those that take pride in their work and deliver a professional product.

Born and bred in the Chicago land area, we have spent our entire lives here and are rooted in the communities that we serve. We strive to provide services that will improve the quality of life and also improve the environment in which they are built.

Commitment to our clients, communities, families, and American values; that is what has carried us through the years to where we are today.