About Us

Locally owned and operated, Lonergan Builders, Inc. was established over 25 years ago by Bill Lonergan to provide the Northern Illinois and Southeast Wisconsin areas with quality residential and commercial construction services. We are proud to provide the highest level of craftsmanship and quality services that allow us to make our client's dreams a reality.


Bill Lonergan - President/Owner

Bill@LonerganBuilders.com

Bill@LonerganBuilders.com


Jason Lonergan - Vice President

Jason@LonerganBuilders.com

Jason@LonerganBuilders.com