Established in 1954 and centrally located in Lake County, Illinois, McMahon Services & Construction has built a reputation for excellence in the restoration and construction industry. Recognized as a “Preferred General Contractor” for emergency services by numerous major insurance carriers, we have also cultivated strong partnerships with local agencies throughout the region.

Our decades-long history and commitment to quality workmanship offer our clients peace of mind, knowing their project will be completed with precision and care. At McMahon Services, we don’t just deliver exceptional results we remain a trusted resource long after the job is done.