Inland Marine Insurance for Contractors: What It Covers and Why You Need It

For contractors, some of the most valuable business property is rarely sitting in one fixed location. Tools move from truck to trailer, equipment shifts between jobsites, and materials may be stored temporarily off-site or in transit. That is why inland marine insurance is such an important coverage for construction businesses.

This guide explains what inland marine insurance is, what it covers, what it does not cover, and why contractors often need it in addition to general liability, commercial auto, and property insurance.

What Is Inland Marine Insurance?

Inland marine insurance is designed to protect property that is mobile, transported over land, or stored at locations away from a permanent insured premises. For contractors, that usually means tools, machinery, materials, and equipment that travel from one job to another.

This is different from standard commercial property insurance, which is usually centered on property at a fixed location such as an office, shop, or warehouse. Because contractors operate in constantly changing environments, inland marine coverage fills an important gap.

What Does Inland Marine Insurance Cover for Contractors?

Coverage varies by policy, but inland marine insurance commonly helps protect:

  • Contractor tools and small equipment.
  • Heavy equipment in the contractor’s possession.
  • Borrowed, rented, or leased equipment for a limited period, depending on policy terms.
  • Materials in transit or temporarily stored off-premises, if included.
  • Property moving between jobsites.

For example, if a contractor’s laser levels, saws, and other mobile tools are stolen from a secured trailer at a jobsite, inland marine may respond. If rented equipment is damaged while being used on a project, the policy may also help depending on the wording and endorsements.

Why Contractors Need Inland Marine Coverage

Construction businesses face several risks that fixed-location property insurance may not handle well:

  • Equipment is frequently moved.
  • Property may be stored in trailers, trucks, or temporary yards.
  • Jobsites are often more exposed to theft and accidental damage.
  • High-value tools and machines can be difficult to replace quickly.

Without inland marine insurance, a contractor may discover too late that a standard property policy does not adequately cover items once they leave the primary insured location.

What Inland Marine Usually Does Not Cover

As with any policy, inland marine has limits and exclusions. Depending on the form, it may not cover:

  • Normal wear and tear.
  • Mechanical breakdown unrelated to a covered cause of loss.
  • Intentional acts.
  • Certain unattended theft situations if policy conditions are not met.
  • Employee dishonesty unless separately endorsed.

It also does not replace commercial auto insurance. If a vehicle itself is damaged in an accident, that is usually handled by the auto policy, while the equipment or materials inside may fall under inland marine if covered.

Common Inland Marine Claims Examples

Real-world examples help illustrate the value of this coverage:

  • Tools are stolen overnight from a locked trailer at a construction site.
  • A skid steer is damaged while being transported between jobsites.
  • Materials stored temporarily off-site are damaged by a covered loss.
  • Rented equipment is damaged before the project is complete.

Because contractors rely on these assets to keep work moving, inland marine insurance often plays a direct role in reducing downtime and avoiding expensive out-of-pocket replacement costs.

How Inland Marine Premiums Are Determined

Pricing usually depends on:

  • Type and value of covered equipment.
  • Mobility of the property.
  • Theft exposure and security controls.
  • Claims history.
  • Territory and jobsite conditions.
  • Whether coverage includes rented or borrowed items.

A contractor with a strong equipment schedule, clear documentation, and good security practices may be in a better position to get favorable terms.

Final Thoughts

Inland marine insurance for contractors protects the property that keeps your jobs running when that property is on the move. For many construction businesses, it is one of the most practical and valuable coverages in the entire insurance program.

If your business depends on mobile tools, equipment, or materials, inland marine insurance can help prevent theft, damage, or transit losses from turning into major disruptions.

Contact Jobsite Insure
Email: info@jobsiteinsure.com
Phone: 406 401 7220

Ready to win bigger jobs with less friction? Get in touch today and we’ll help you put a practical bonding plan in place.

-Klinton Jones
Principal Insurance Broker