Zak Dirt builds quality heavy/highway construction projects across Colorado, Wyoming, and Kansas. Founded in 1976, we’ve built an outstanding reputation based on integrity, innovation, and dedication to quality.

Zak Dirt's Angelo Mancina on Colorado flood recovery efforts

Zak Dirt CEO Jim Sewczak on FASTER in this Denver Business Journal article 

Zak Dirt, Inc. brochure 

Aerial footage of the St. Vrain Creek 

Equal Opportunity Employer
It is the policy of Zak Dirt, Inc. to assure that applicants are employed, and that employees are treated during employment, without regard to their race, color, religion, sex, or national origin. Such action shall include: employment, upgrading, demotion, or transfer; recruitment or recruitment advertising; layoff or termination; rates of pay or other forms of compensation; and selection for training, including apprenticeship, and/or on-the-job training.

Going Places?

Zak Dirt works closely with CDOT to keep the public informed of closures and delays while we work. Thank you for your patience as we help to improve our hometown communities! Find current road work information (for Zak Dirt projects and others) here.

Colorado Department of Transportation

Featured Project

Zak is working to replace the existing Main Street Bridge, relocate part of the St. Vrain trail and the existing water main, and widen the existing St. Vrain River channel for flood mitigation. more...

A Record of Responsibility

Zak Dirt is proud to be a good custodian of the earth we shape, keeping our project sites neat and clean and meeting the EPA’s “Best Management Practices.” We work closely with local agencies to ensure that everything we do is environmentally responsible and in compliance with state regulations. We also employ innovative technologies like portable batch plants that can accelerate schedules and help to reduce the environmental impact of our projects.

CR 38E