About Us

123 Years of Excellence: The Conlon Construction Company Legacy.

Conlon owners hugging eachother
CONLON owners reviewing blueprints
CONLON workers waiving hardhats in front of American Flag
CONLON workers building structure
Conlon family at headquarters sitting around table
Conlon  family photo black and white

Founded in 1903, Conlon Construction has become a symbol of enduring quality and innovation in the Construction industry.

Conlon has completed over 4,500 projects across the United States and Puerto Rico.

Build with confidence.

Photo of R.F Conlon and family

Conlon’s Four Generations of Building Legacy.

Originating in Cuba City, Wisconsin, the company has grown under the stewardship of four generations of the Conlon family. With a commitment to excellence and community, Conlon has expanded its reach across the United States, delivering landmark projects and solidifying its reputation as a premier builder.

Orlin Conlon Steve Conlon Tim Conlon Becky Conlon Poppy Conlon

1903

Founded by R.F. Conlon

Conlon Construction Co. was founded by R.F. Conlon in Cuba City, WI. The company focuses on paving, and building schools, churches, and hospitals within the Archdiocese of St. Paul, the Diocese of Madison, and the Archdiocese of Dubuque.

1922

Conlon Construction Relocates to Dubuque, Iowa

R.F. and Louisa Conlon move their family and the company to Dubuque, IA. 

1924

Initial Projects with Clarke University and Loras College

Building Thriving Communities

Conlon Construction’s Path to Tomorrow

With a rich history of quality and a future dedicated to community-building, Conlon remains focused on creating spaces that support and enrich local lives. As the company looks ahead, its commitment to fostering thriving communities will remain central to its mission.

4MM+ Gifts and Donations

25+ Communities Impacted

100+ Scholarships Awarded

250+ Non-Profits Served

Conlon Construction Company’s 123-year legacy is deeply rooted in family values, with each generation contributing to a tradition of excellence, integrity, and community building.

Driving Purpose, Building Lives.