New Jersey requires trailers to be registered with the Motor Vehicle Commission, and the process depends on the trailer's weight and intended use

Trailers in New Jersey fall into different registration categories based on their gross vehicle weight rating (GVWR) — the maximum weight they can safely carry when fully loaded. Trailers under 3,000 pounds GVWR can be registered as non-commercial, while heavier trailers or those used for business purposes follow different rules. The Motor Vehicle Commission (MVC) handles all trailer registration, and you'll need proof of ownership, identification, and in some cases an inspection before you can register.

The registration process itself is straightforward if you have the right documents, but the category your trailer falls into determines which forms you complete and what fees you pay. Most people can complete registration in person at an MVC office or through the mail, though some trailer types require an inspection first.

Key Takeaways

  • Trailers under 3,000 pounds GVWR register as non-commercial; heavier trailers or those used for business require commercial registration.
  • You will need the vehicle title or proof of ownership, a completed process form, your driver's license or ID, and proof of New Jersey residency to register.
  • Some trailers require a safety inspection from an MVC-approved inspector before registration can be completed.
  • Registration can be done in person at any MVC office, by mail, or through the MVC's online portal if you meet certain requirements.
  • Registration fees vary based on trailer weight and type, and registrations are valid for one, two, or four years depending on what you choose.

Trailer weight categories and registration types

New Jersey divides trailers into two main registration categories: non-commercial and commercial. A non-commercial trailer is one used for personal purposes — hauling recreational equipment, boats, or household goods — and typically weighs under 3,000 pounds GVWR. These trailers register under a standard passenger vehicle registration and cost less than commercial registrations.

A commercial trailer is any trailer used in a business or trade, or any trailer over 3,000 pounds GVWR regardless of use. This includes utility trailers used for landscaping, construction, or delivery, as well as horse trailers, enclosed cargo trailers, and flatbeds used for hauling. Commercial trailers require a different process form and higher registration fees. If you use a personal trailer for any business purpose — even occasionally — it must be registered as commercial.

The GVWR is printed on a label attached to the trailer frame, usually near the tongue or on the side. If you cannot find it, the trailer's manufacturer documentation will list it. Misrepresenting your trailer's category to pay lower fees can result in fines and registration cancellation.

Documents you need before you register

Start by gathering your proof of ownership. If the trailer is new and has never been registered in any state, you will need the manufacturer's certificate of origin or a bill of sale from the dealer. If the trailer was previously registered in New Jersey, you need the current registration card. If it was registered in another state, you need that state's title or registration document.

You will also need a completed process form. For non-commercial trailers, this is form BA-49. For commercial trailers, use form BA-49C. Both are available on the MVC website or at any MVC office. Bring your New Jersey driver's license or state ID card to prove identity and residency. If you do not have a New Jersey ID, bring a driver's license from another state plus a utility bill, lease, or mortgage statement showing your New Jersey address.

Some trailers require an inspection before registration. Trailers over 10,000 pounds GVWR, commercial trailers, and any trailer that has been out of registration for more than two years must pass a safety inspection. You can find MVC-approved inspectors on the MVC website by searching for inspection stations in your county.

Where and how to register your trailer

You can register at any of New Jersey's 39 MVC offices. Walk-in service is available, but wait times vary by location and time of day. The MVC website shows current wait times for each office. Bring all your documents and the completed process form, and staff will process your registration on the spot. You will receive your registration card when ready and your license plate in the mail within two weeks.

If you prefer not to visit an office, you can mail your process and documents to the MVC. Send everything to: Motor Vehicle Commission, P.O. Box 403, Trenton, NJ 08625. Include a check or money order for the registration fee (do not send cash). Processing by mail takes two to four weeks. You can also register online through the MVC's e-Services portal if you have a New Jersey driver's license or ID card and your trailer was previously registered in New Jersey.

Some MVC offices offer appointment scheduling through the website, which can reduce wait time. Check your local office's page to see if appointments are available in your area.

Registration fees and renewal terms

Trailer registration fees in New Jersey depend on the trailer's GVWR and whether it is commercial or non-commercial. Non-commercial trailers under 3,000 pounds typically cost less than $50 for a one-year registration, though the exact amount varies slightly. Commercial trailers are more expensive — a commercial trailer under 4,000 pounds might cost $100 to $150 for one year, and fees increase with weight.

You can choose to register for one, two, or four years at the time of registration. Registering for longer periods usually costs less per year than renewing annually. For example, a four-year registration might cost only three times what a one-year registration costs, rather than four times. When your registration expires, you can renew by mail, online, or in person using the same process.

If your trailer's weight or use changes — for example, you buy a heavier trailer or start using a personal trailer for business — you must re-register it in the correct category. Do not continue using an outdated registration.

Trailers that require inspection before registration

Certain trailers must pass a safety inspection before the MVC will issue registration. These include all commercial trailers, any trailer over 10,000 pounds GVWR, and any trailer that has been out of registration for more than two years. The inspection checks brake function, lighting, coupling, and structural condition.

To find an approved inspector, visit the MVC website and search for inspection stations in your county. Call ahead to confirm they inspect trailers and to ask about their hours and fees. Inspection fees are set by individual stations and typically range from $25 to $50. Once the inspector completes the inspection, they will give you a signed inspection certificate. Bring this certificate along with your other documents when you register.

If your trailer fails inspection, the inspector will tell you what needs to be fixed. Common failures include non-functioning lights, worn brake pads, or a damaged coupling. Once you repair the issues, you can return to the same inspector for a re-inspection, usually at a reduced fee.

License plates and registration cards

When you register a trailer, you receive a registration card when ready (or within two weeks if you register by mail). The registration card shows your trailer's VIN, registration number, and expiration date. Keep this card with you whenever you tow the trailer — it is your proof of registration.

New Jersey requires trailers to display a license plate on the rear. The MVC will mail your plate to you within two weeks of registration. Attach it securely to the back of the trailer using the provided bolts. If your plate arrives damaged or does not arrive within three weeks, contact the MVC to request a replacement.

If you sell your trailer, the new owner must register it in their name. The registration does not transfer. Provide the buyer with the title or bill of sale and your registration card so they have proof of the sale when they register.

Frequently Asked Questions

Do I need to register a trailer I only use occasionally?

Yes. Any trailer, regardless of how often you use it, must be registered before you tow it on public roads in New Jersey. An unregistered trailer can result in a fine and your vehicle being stopped by law enforcement. If you do not plan to use the trailer for an extended period, you can let the registration expire and re-register it when you need it again.

What happens if I use a personal trailer for business?

You must re-register it as a commercial trailer. Using a personal-registered trailer for any business purpose — including occasional jobs — violates registration rules. Contact the MVC to change your registration category. The fee difference is usually modest, and changing it prevents fines or registration cancellation if you are stopped.

Can I register a trailer without a title?

If the trailer is new and has never been registered, you can use the manufacturer's certificate of origin or a bill of sale from the dealer. If the trailer is used and you have lost the title, contact the MVC about obtaining a duplicate or a registration without title. You may need to provide proof of ownership, such as a bill of sale or a notarized statement.

How long does registration take if I do it in person?

If you bring all required documents and the trailer does not need an inspection, registration is completed the same day. You receive your registration card when ready and your license plate in the mail within two weeks. If the trailer requires an inspection, you must complete that first, which can take several days to a week depending on inspector availability.

What if my trailer's VIN is not visible or is damaged?

The VIN is usually stamped on the trailer frame near the tongue or on the side. If it is damaged or illegible, the MVC may require an inspection to verify the trailer's identity before registration. Bring the trailer to an MVC office or an approved inspector to have the VIN documented. Do not attempt to repair or re-stamp a VIN yourself.