Zak Dirt values the relationships that it has built over the past 40 years with its subcontractors and suppliers. These relationships account for the of the success of many projects that have been completed throughout the years. If your firm would like to do business with Zak Dirt, please contact us to be added to our subcontractor and supplier lists. We always encourage Disadvantaged Businesses (DBE/MWBE/SBE) to help Make Zak Dirt projects a success.

For information regarding current bid opportunities, including plans and specifications please follow the link below.*

For information regarding current and upcoming bids, please contact our estimating department at

*All information provided by Zak Dirt, Inc. is correct to the best of its knowledge. It is the responsibility of our subcontractors and suppliers to ensure that they are using the most current and accurate bid document information. By clicking on the links above, you agree that you understand the terms of the site.

Contact Zak Dirt

14290 Hilltop Road
Longmont, CO 80504

877-ZAK-DIRT (toll-free)


Office Hours:
8:00 - 4:30 MST, Monday - Friday