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If you own or recently purchased a trailer, there’s some important paperwork to take care of before you hit the road. From registration to insurance, having the right documents ensures you stay compliant and protected. Here’s a breakdown of everything you need to legally own and operate your trailer in 2025.

Enclosed Ground-level Loading Air-tow Trailer

1. Title and Proof of Ownership

A trailer title is the most important document you’ll need—it legally proves you own the trailer. Whether buying new or used, you should receive a title from the dealer or previous owner. Similar to a vehicle, a trailer’s title includes key details like the make, model, year, and Vehicle Identification Number (VIN). Keep this document safe, as you’ll need it for registration, resale, or transferring ownership in the future.

2. Bill of Sale

The bill of sale serves as proof of purchase, outlining the transaction details between you and the seller. It typically includes the purchase price, date of sale, and contact information for both parties. Some states require a bill of sale for registration, so be sure to get a signed copy, especially if buying from a private seller.

3. Trailer Registration

In most states, trailers must be registered with the Department of Motor Vehicles (DMV) before they can be used on public roads. The process varies by location, but you’ll generally need to provide the title, bill of sale, and proof of insurance. Once registered, you’ll receive a license plate that must be renewed periodically. Some states also require safety inspections to ensure your trailer is roadworthy.

4. Insurance Coverage

Even if your state doesn’t mandate trailer insurance, having coverage is a smart investment. Insurance can protect against accidents, theft, or damages, particularly for commercial-use trailers. If you’re using your trailer to haul equipment, materials, or valuable cargo, talk to your insurance provider about coverage options to safeguard your investment.

5. Weight and Safety Inspections

Depending on your state’s regulations, your trailer may need to pass a safety inspection before registration. These inspections check key components like brakes, tires, lights, and hitch systems to ensure the trailer meets safety standards. This is especially important for commercial trailers that carry heavy loads.

6. VIN Verification

If you’re purchasing a trailer from out of state or have a custom-built model, a VIN verification may be required. This process ensures that the trailer’s VIN matches its title and registration documents, helping to prevent fraud and stolen vehicle transactions.

7. Sales Tax and Tax Documents

Most trailer purchases are subject to sales tax, which may be collected at the time of sale or when you register the trailer. Keep documentation of any taxes paid, as it may be required during registration or for business tax deductions if the trailer is used commercially.

8. Commercial Permits (If Applicable)

If you plan to use your trailer for business purposes, additional permits may be necessary. Requirements vary based on trailer type, load weight, and intended use—especially if you’re transporting oversized loads or hazardous materials. Check with your state’s transportation authority to ensure you have the correct permits in place.

9. Lease or Financing Agreements (If Applicable)

If you financed your trailer or leased it for business use, it’s important to keep a copy of the agreement. This document outlines payment terms, ownership details, and any restrictions or buyout options at the end of the lease. If the trailer is financed, the lender may hold the title until it’s fully paid off.

Final Thoughts

Having the correct paperwork for your trailer, whether for personal use or business, ensures you will be compliant, protected, and ensures a smoother resale process. Looking for the perfect trailer or for a trailer upgrade? Explore our lineup today and get in touch with our team to find the right fit for your needs.