
Serving Iowa Counties: Polk, Marion, Mahaska, Jasper, Warren, Dallas, Story, Poweshiek, Wapello, Johnson Counties
"Expect the best and get it!"

At the heart of DC Underground LLC is its owner, Caleb Attema, a hands-on operator who understands what it takes to turn raw land into something functional, reliable, and built to last. Caleb is not the kind of owner who sits behind a desk. He is out in the field, working alongside his crew, solving problems in real time, and making sure every project is done right. That approach is a big reason why clients trust DC Underground LLC with everything from small residential projects to large-scale land management and excavation work. His reputation has been built on something simple but rare in this industry: doing what you say you are going to do, and doing it well. Caleb takes the time to listen. Whether it is a homeowner trying to fix a drainage issue or a landowner managing hundreds of acres, he looks at each project through the lens of long-term results. That means asking the right questions, understanding the land, and offering solutions that actually work, not just quick fixes. Over the years, he has developed strong expertise in excavation, drainage systems, trenching, and land restoration. But more importantly, he has built a reputation for being easy to work with, responsive, and honest about what a project needs. Clients often mention the same things: clear communication, thoughtful recommendations, and results that hold up over time.
DC Underground LLC is based in Pella, Iowa, and serves residential, commercial, and agricultural clients across the region. What started as a single piece of equipment and a vision has grown into a trusted excavation and water management company known for quality work and dependable service. From the beginning, the goal has been clear: deliver high-quality results without cutting corners, and treat every project like it matters. Today, DC Underground LLC handles a wide range of services, including:
Drainage solutions
Waterline installation
Excavation and site preparation
Demolition and debris removal
Mulching and land clearing
Retaining wall construction
Conservation and land restoration
Skid loader services
Commercial Excavation
Residential Excavation
Septic system pumping
Septic installs
French Drains
Retaining walls
Sewer repairs
Drainage systems
Utilities Trenching
Waterproofing
Foundation Repairs
Every service is built around one idea: understanding the land and using that knowledge to create long-term solutions.


There are plenty of excavation companies out there. What makes DC Underground LLC different comes down to how they approach the work.
1. Quality and Trust Come First
There is no shortcut mentality here. Every project is completed with attention to detail and a focus on doing it right the first time.
That means proper grading, correct drainage planning, and careful execution. It also means being upfront with clients about what is needed and what is not.
Trust is earned through consistency, and that is something Caleb and his team take seriously.
2. Family Values and Community Focus
As a family-owned business, DC Underground LLC operates with a strong sense of responsibility to both clients and the local community.
Projects are treated with care, not rushed through. The goal is not just to complete a job, but to leave the property better than it was before.
Being rooted in Iowa means understanding the soil, the seasons, and the challenges that come with both.
3. A True One-Stop Solution
Many projects require multiple services. Instead of hiring several contractors, clients can rely on one team that understands how everything works together.
From excavation to drainage to land management, DC Underground LLC provides comprehensive solutions tailored to each property.
One of the biggest advantages of working with DC Underground LLC is the owner's level of involvement.
Caleb is directly involved in projects, which means decisions are made quickly, problems are solved efficiently, and quality stays consistent.
This hands-on approach also allows for better communication. Clients are not passed around between departments. They work with someone who understands both the big picture and the details.

Every service offered by DC Underground LLC is designed to solve practical problems.
Drainage Solutions
Water issues can destroy foundations, ruin landscapes, and create long-term headaches. Proper drainage systems are designed to move water away from structures and keep properties functional.
Waterline Installation
Reliable water access is critical for homes, businesses, and farms. Each installation is planned based on demand, location, and long-term use.
Excavation and Site Preparation
A successful build starts with the ground it sits on. Proper excavation ensures stability, drainage, and a solid foundation for whatever comes next.
Land Management
Maintaining land takes more than occasional clearing. Ongoing care helps improve usability, appearance, and long-term value.
Demolition and Debris Removal
Clearing space for new projects requires efficiency and responsibility. Materials are handled properly, and sites are prepared for the next phase.
Mulching and Land Clearing
Clearing land while improving soil health creates better conditions for future use, whether for construction or agriculture.
Trenching Services
Precision matters when installing utilities. Accurate trenching ensures systems function properly without unnecessary disruption.
Retaining Walls
Managing elevation and preventing erosion requires strong, well-designed structures that also enhance a property's appearance.
Conservation and Land Restoration
Sustainable land practices help protect the environment while improving long-term usability.
Skid Loader Services
Versatile equipment allows for efficient handling of a wide range of tasks, from grading to cleanup.

The growth of DC Underground LLC has not come from flashy marketing. It has come from word of mouth, repeat clients, and consistent results.
Customers who have worked with Caleb often highlight:
Strong communication
Willingness to listen
Helpful suggestions
High-quality results
These are the kinds of things that turn a one-time job into a long-term relationship.
That phrase is more than a tagline. It reflects how the work is done.
Every trench dug, every site prepared, and every system installed has a purpose behind it. The goal is not just to move dirt, but to create something that works better, lasts longer, and adds real value.
And that is exactly what clients can expect when they work with DC Underground LLC.

Extended hours by appointment only.
Address: 309 West Montgomery St, KNOXVILLE IA 50138
All rights reserved | Client Support Area




Extended hours by appointment only.


