Excavation Services
Professional Excavation Services in DeKalb County & Northern Illinois
DeKalb County's Trusted Excavating Contractor
Our Excavation Services
Site Preparation & Grading
We handle mass grading and site development for residential, commercial, and agricultural projects. From clearing and stripping topsoil to establishing final grade, BLP ensures your site is level, properly sloped, and ready for construction.
Sewer & Water Line Installation
Our crew handles excavation for underground utility installation, including sewer lines, water mains, and storm drains. We provide full-service trenching and backfill for contractors of all sizes.
Basement & Foundation Excavation
Building a new home or addition? BLP digs basements and foundation footings with precision. We work closely with your builder to ensure proper depth, dimensions, and soil conditions for a solid foundation.
Septic System Installation
BLP provides excavation for new septic system installations, including the tank hole, drain field trenching, and all associated grading. We work with your septic installer to make sure everything is done right the first time.
Commercial & Agricultural Excavation
From building pads for distribution hubs to land clearing for agricultural operations, BLP has the heavy equipment and experience to take on large-scale excavation projects throughout Northern Illinois.
Pond Excavation
Whether it's a stock pond for your farm or a decorative pond for your property, BLP can excavate it to your specifications. We handle everything from initial dig to final shaping and grading of the surrounding area.

Why Choose BLP Construction for Your Excavation?
- Family-owned and operated since 1998
- Operators trained to the highest level in safety and productivity
- 11 trucks and 12 pieces of heavy machinery — equipped for any job size
- 24-hour emergency excavation service available
- Serving residential, commercial, and agricultural customers
- Based in Sycamore — local to DeKalb County and Northern Illinois
Why Choose Us
How It Works
Call for an Estimate
Give us a call at (815) 899-0500 or fill out our contact form. Tell us about your project and we'll set up a time to take a look.
Site Evaluation
We'll visit your property, assess the scope of work, review any plans or specs, and provide you with an honest, straightforward quote.
Excavation Begins
Once approved, our crew mobilizes equipment to your site. We work efficiently and safely to keep your project on schedule.
Final Grading & Cleanup
We don't leave until the job is done right — final grading, backfill, and site cleanup included so your project is ready for the next phase.
Ready to Break Ground?
Whether it's a basement, a building pad, or a full site development — BLP Construction is ready to dig in.