From site prep and septic installation to sewer repair and driveway grading, we handle it all across Northeast Indiana.
From emergency septic repairs to full-scale excavation, these are the services we deliver every day across Northeast Indiana.

From residential site prep to full-scale demolition, we handle excavation projects of all sizes with the right equipment and crew to get the job done safely and on schedule.
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New septic system installations, emergency repairs, and everything in between. We're available 24/7 for urgent septic issues across Whitley County and surrounding areas.
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Fast, reliable sewer line diagnosis and repair. We fix damaged and failing sewer lines before small problems become expensive ones.
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New gravel driveway installations, regrading, drainage fixes, and surface repairs. We build driveways that hold up and drain properly.
Learn MoreBeyond our core services, DZ Contracting has the equipment and experience to tackle a wide range of site work and excavation projects.
Have a project that doesn't fit neatly into a category? Give us a call, (260) 515-1300. We'll let you know if we can help.
We answer the phone day and night for emergencies. Septic backup at 2 AM? We're there. No voicemail, no waiting until Monday.
Full coverage on every project for your peace of mind. We're happy to provide proof of insurance upon request.
No hidden fees. You know the cost before we start, and we stick to it. No surprises on the final invoice.
We work with homeowners across Whitley County and nearby communities including Fort Wayne, Warsaw, Huntertown, Ossian, New Haven, Ligonier, and more. If you're within 40-50 miles of Columbia City, contact us to discuss your project.
Check If We Serve Your AreaGive us a call and tell us what you're dealing with. We'll point you in the right direction, give you an honest assessment, and put together a free estimate if we can help.