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*The Angi rating for Excavation companies in Bismarck, ND is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

*The HomeAdvisor rating for Excavation companies in Bismarck, ND is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

Last update on May 27, 2025

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B & D Excavation & Underground, LLC
New to Angi

Serving Bismarck, ND and surrounding areas

In business since 2012

Free estimates

With over 70 years of experience, B & D Excavation & Underground, LLC, is your solution for all your excavating needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Satisfaction guaranteed!

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Bismarck-Septic-Excavating
New to Angi

Serving Bismarck, ND and surrounding areas

In business since 2010

Free estimates

Offers commercial services

Bismarck-Septic-Excavating is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

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All Phases Construction
New to Angi

Serving Bismarck, ND and surrounding areas

In business since 1980

Free estimates

All Phases Construction is a full service contractor capable of handling all your residential and commercial construction projects. All Phases Construction focuses on the customer needs, and expectations to ensure your project is completed on time and satisfactorily. Customer service, quality products and craftsmanship is all you can expect from All Phases Construction. Call us today!

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Excavating questions, answered by experts

Yes, an excavation company is the best option for land grading and yard leveling. General landscapers might be able to tackle these projects, but an excavation company will do a better job because they’re used to operating the necessary heavy machinery. Landscapers might opt to do the work manually, which takes much longer and could cost you more in labor fees. Finally, excavation companies will understand local regulations and know when you need permits to legalize the work, while a landscaper might not.

While general contractors sometimes handle demolition, you can also look specifically for local demolition contractors. Demolition experts need to understand structural integrity, the equipment needed for safe demolition, and the permits required for demolition.

There is no standard depth for burying a septic tank; they are typically buried anywhere from 4 inches to 4 feet underground. The final depth depends on several factors, including the depth of your main sewer line, the height of the bedrock, soil type, local regulations, and the property's landscape. If you plan to grow grass or plants over the tank, a depth of at least 4 to 6 inches is recommended. Deeper tanks can be more difficult to locate, but a septic professional can help find it for you.

Yes, trenchers can go through gravel. Gravel is made up of smaller, softer rocks that certain trenchers are able to cut through. Just be sure to use a rock wheel trencher or chain trencher, both of which are made to cut through rocky landscapes and gravel pathways without dulling the teeth or chain.

If you don’t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less—between $40,000 and $90,000 on average. However, if you’re not adding new finished square footage, you won’t see much in the way of ROI.

The Bismarck, ND homeowners’ guide to excavation services

From average costs to expert advice, get all the answers you need to get your job done.

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