Hiring an excavation contractor in North Dakota
Gradeline lists 196 excavating and site work contractors in North Dakota across 32 counties. This guide covers the North Dakota rules that affect a dig: frost depth and 811 notice through North Dakota One Call.
What to know before you hire in North Dakota
4.4★
Know what a good rating looks like here
North Dakota contractors average 4.4 stars on Google. Shortlist crews at 4.5 or better with a solid review count (25 qualify), and treat anything under 4.0 as a red flag.
60 in
Footings go below the frost line
Frost reaches about 60 inches in North Dakota. Any bid for footings, foundations, or buried lines should dig at least that deep. If the depth is not written in the quote, ask.
2 days
Utilities get marked before digging
North Dakota law requires 2 business days notice to 811 (North Dakota One Call) before any digging. Ask whether your contractor files the request, and plan the start date around the wait.
40%
Most listed contractors have no website
Only 40% of listed North Dakota contractors run their own site. Judge them on reviews, photos, and years in business rather than web polish, and get at least three written quotes.
Get quotes from North Dakota contractors in one request.
Get free quotesArea-specific FAQ
How far in advance do I need to call before digging in North Dakota?
At least 2 working days. North Dakota One Call takes locate requests statewide and has underground utilities marked before any excavation. Hitting an unmarked gas or power line can injure the crew and lead to costly repairs.
How deep do footings need to be in North Dakota?
In North Dakota, footings typically need to extend below the frost line, which is around 60 inches here. A local contractor will confirm the code requirement for your site.
When is the best time of year to dig in North Dakota?
The frost line in North Dakota is around 60 inches, so the ground freezes hard in winter. Most digging happens from spring through fall, once the thaw dries sites out.




















