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Excavation in Bonners Ferry, Idaho

The short answer

As of October 2026, 23 local businesses do excavation work in Boundary County. Before an excavation contractor cuts a driveway onto a county road, Boundary County requires an approach permit, and there's no fee for it.

By the Huck's Guide team. Updated October 28, 2026

At a glance

County road approach permit
No feeCounty Road and Bridge
Hire or DIY
Hire a registered contractorSearch DOPL registrations

Based in Boundary County

Serves Boundary County from nearby

Excavation services around here

Dirt work here runs into a few local rules: buried lines, frozen ground and the road at the end of the driveway.

The city's building permit packet lists a frost line depth of 24 inches below finished grade in its design criteria.

Source: City of Bonners Ferry, Building Permit Application (November 2023). Frost line depth checked in the design criteria of the city's permit packet, Oct 28, 2026.

Inside town, the city requires a Right-of-Way Encroachment Permit for any excavation in the public right-of-way, and for a new access onto it or a change to one.

Source: City of Bonners Ferry, Forms and Applications. Right-of-way permit rule checked on the city's forms page, Oct 28, 2026.

Driveway contractors and county road approaches

The same county page says its standards set an approach's width, location, sight distance, angle, grade and slope. A driveway contractor will want the permit in hand before the machine shows up.

Trenching services

Running a water line or other utility along, across or under a county road takes a county permit as well, the same Road and Bridge page says.

Source: Boundary County Road and Bridge, Approach Permits. Utility placement rule checked on the county's Approach Permits page, Oct 28, 2026.

For a trench on your own land, the first call is still 811.

Ask before you hire

Five questions for an excavation contractor before you book. Tick them off as you go.

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