O'Leary Construction LLC provides full-service contracting in Northern Wisconsin. Our company has a proud record of numerous successful construction projects in the area. We provide fixed price estimates, but are flexible in our approach to our customers needs and wants and accept that during the course of a project there can be changes required by the customer. We only use proven sub-contractors, most who have worked with us on previous projects. Turn-key means just that: provide us with your vision and we will hand you the key at the end of the project. No need for you to bother about electrical, plumbing, flooring, painting, heating or any part - we take care of it all! Click on the links to the left of this window for more information.