
Dirt work in Cloquet isn’t just moving soil — it’s solving a frost and drainage problem before it costs you a foundation. Carlton County winters push frost penetration 5 to 7 feet down, among the deepest in the lower 48. A footing or water line dug shallow of that depth is a frost-heave claim waiting to happen, and we dig every trench with that number in mind.
The ground itself doesn’t make it easier. Cloquet sits on a transition zone: sandy, gravelly outwash on some lots — the “Cloquet sandy loam” soil series is named after this town — and heavy red clay toward Esko and the glacial Lake Duluth plain. Sand drains fast but fights compaction. Red clay holds water, heaves through every freeze-thaw cycle, and turns to grease during the spring melt.
With over 12 years working Carlton County ground, Tollefson Excavating reads what’s under your lot before the first scoop — so your grading, compaction, and drainage are built for this climate, not a textbook one.
EXCELLENT Based on 30 reviews Posted on Google Becky PembertonTrustindex verifies that the original source of the review is Google. We had some driveway work done and are so happy with the result! Connor returned calls quickly, came out and got us a quote and did the work as soon as road restrictions lifted!! We were out of town when he did the work and he sent us pictures of the progress! He even fixed a walkway issue without adding any cost! Highly recommend Tollefson excavating! Pleasure to work with!!Posted on Google Kayla LarsonTrustindex verifies that the original source of the review is Google. Couldn’t be happier with their work! Professional, timely, and amazing quality of work. Highly recommend!!Posted on Google John HanceTrustindex verifies that the original source of the review is Google. Love the personal service Conner provides!Posted on Google Isaiah JohnsonTrustindex verifies that the original source of the review is Google. We had Conner come out to our property to help us complete our hay field restoration project. Conner went above and beyond what was expected. We appreciated his clear communication and vision for what we needed done. We will be using Conner for our future projects and would highly recommend him.Posted on Google Molly JohnsonTrustindex verifies that the original source of the review is Google. Connor is great at what he does! He was professional, fast, and did the job perfectly. Great communication and high-quality work. Would definitely hire them again.Posted on Google Michelle MowryTrustindex verifies that the original source of the review is Google. I hired Tollefson to excavate my garage site (on a hill in Duluth) and remove three tree stumps from site. He did a great job, was easy to communicate with, came out an extra time and fixed an error made when marking site (not his error - contractor error), and made sure my back-fill happened before freeze up! He even seeded and put straw over when he was done.Posted on Google Rakel JohnsonTrustindex verifies that the original source of the review is Google. We hired Tollefson Excavating to dig out our existing pond, which had become overgrown and was turning into an eyesore. Conner completely revitalized it, and the results far exceeded our expectations! The pond looks so much cleaner now, and our family is excited to be able to use it. His skill with an excavator really showed, and he did quality work from start to finish. Overall, we had a great experience working with Conner and would highly recommend Tollefson Excavating to anyone looking for dirt work at a fair price.Posted on Google David JonesTrustindex verifies that the original source of the review is Google. My wife and I felt comfortable right away after meeting Conner at our new home construction site. Not only did he do a fantastic job with site clearing, excavating and grading our new home site, Conner was there at our site the day he said he would be there. That was huge. I will highly recommend Conner to anyone looking for a reliable excavator.
From residential projects to commercial developments, we provide end-to-end solutions for every stage of construction.
Northern Minnesota gives excavators a short season, and we don’t waste any of it. Our crew mobilizes to Cloquet in about 30 minutes straight up I-35 and Highway 33 from our Moose Lake shop — close enough for fast scheduling, quick follow-ups, and no out-of-area travel charges built into your quote.
Efficiency here also means planning around the calendar, not fighting it. Spring load restrictions compress the hauling window on Carlton County roads every year, so we schedule material delivery and equipment moves around road bans — keeping your project on timeline instead of stalled at the county line.
Every job follows the same disciplined process: site evaluation and soil assessment first, then excavation and base prep with maximum compaction, then final grading that sends water away from your structures — critical on low-lying lots near the St. Louis River. From land grading and foundation excavation to utility trenching, soil compaction, and erosion control, the work is done once, done right, and ready for whatever you’re building next in Cloquet.
A Cloquet homeowner needed foundation excavation on a lot with heavy red clay that held water every spring. We excavated below frost depth, corrected the grade to move runoff away from the build site, and compacted a stable base in engineered lifts. The foundation went in on schedule, and the lot drained cleanly through the following spring melt — no standing water, no heaving.
A property owner near Scanlon needed water and sewer lines trenched before spring load restrictions closed the hauling window. We scheduled material delivery ahead of the road bans, trenched below Carlton County frost depth, and backfilled with proper compaction to prevent settling. The utilities passed inspection on the first visit, and the project wrapped before the thaw shut heavy equipment out.
Take a look at some of our latest work. Scroll through the photos below to see our team in action and the results we deliver.
Below frost depth — which in Carlton County can reach 5 to 7 feet. Every footing, water line, and sewer trench is dug and backfilled to prevent frost heave.
Yes. Proper grading moves water away from your structures, and on red clay lots we combine slope correction, compaction, and drainage planning so the fix survives the spring melt.
They can — if your contractor doesn’t plan for them. We schedule hauling and equipment moves around Carlton County road bans to keep your project on timeline.
Our crew is about 30 minutes from Cloquet, straight up I-35 and Highway 33 — close enough for fast mobilization, quick follow-ups, and responsive scheduling.
Call us at 218-269-8407 or fill out our online quote form. We offer free, no-obligation estimates throughout Cloquet, Scanlon, Esko, Carlton, and the rest of Carlton County.
