How to Register a Trailer Without a Title in Arizona

So, you’ve bought a trailer in Arizona—but there’s a problem: no title. Maybe it’s a utility trailer from a private seller, or an older model that’s been sitting in someone’s yard. Either way, you’re probably wondering: Can you register a trailer without a title in Arizona?

Good news—yes, you can. But there are a few extra steps involved. Let’s walk through exactly what you need to do to legally register and title that trailer in Arizona.

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Can You Register a Trailer Without a Title in Arizona?

Yes, Arizona allows you to register a trailer without a title by applying for a bonded title or going through a title recovery process. This is common for older trailers, homemade builds, or private sales where the seller doesn’t have the proper paperwork.

However, if the trailer should have a title under Arizona law (which most do), you can’t skip the title process—you’ll need to reclaim or replace it before you can register.

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When a Trailer Title Is Required in Arizona

In Arizona, all trailers used on public roads must be registered, and most must be titled. This includes:

• Utility trailers

• Boat trailers

• Travel trailers

• ATV or motorcycle haulers

• Cargo or enclosed trailers

The only exception? Some very light trailers (under 10 lbs unladen) may be exempt—but this is rare and doesn’t apply to most practical-use trailers.

So if your trailer is:

• Being used on public roads

• Weighs more than 10 lbs empty

• Was previously titled or registered

You’ll need to get a title before registration.

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How to Register a Trailer Without a Title in Arizona (Step-by-Step)

Step 1: Gather All Available Documents

Before heading to the Arizona Motor Vehicle Division (MVD), collect any documentation you have. This helps prove ownership and speeds up the process.

Bring:

• Bill of Sale – include trailer description, VIN, date of sale, buyer/seller names

• Previous registration (if any) – even from out of state

• VIN or serial number – must be legible on the trailer frame

• Photo ID

If you bought it from someone without paperwork, get a signed affidavit or at least a detailed bill of sale.

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Step 2: Get a Level I Inspection (VIN Inspection)

Since there’s no title, you’ll need a Level I vehicle inspection, which includes:

• Verifying the VIN

• Checking for stolen status

• Confirming trailer type and use

This is done by a certified MVD agent or authorized law enforcement officer.

Where to go:

• Local MVD offices (some require appointments)

• Third-party inspection stations

• Department of Public Safety (DPS) locations in some counties

If your trailer doesn’t have a VIN or the VIN is unreadable, you’ll be assigned a new Arizona serial number (see Step 4).

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Step 3: Apply for a Bonded Title (If No Prior Proof Exists)

If you can’t prove ownership through a title or previous registration, Arizona allows you to apply for a bonded title.

How it works:

1. Estimate the trailer’s fair market value (typically under $1,000 for older or small trailers).

2. Purchase a surety bond for 1.5 times the trailer’s value from an approved bonding company.

3. Submit the bond and paperwork to the MVD.

4. Receive a bonded title, valid for 3 years.

5. After the 3-year period with no ownership disputes, it becomes a clear, permanent title.

This protects both you and the state in case someone later claims ownership.

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Step 4: Assign a VIN (If Needed)

If your trailer doesn’t have a VIN—or it’s homemade—you’ll need to apply for an Arizona-assigned VIN.

Here’s how:

• The MVD will inspect the trailer and verify that no VIN is present.

• You’ll be given a metal VIN plate to attach to the trailer frame.

• You may need to fill out a Homemade Trailer Affidavit if applicable.

Once this VIN is recorded in the state database, you can move forward with title and registration.

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Step 5: Register the Trailer

After the title issue is resolved—either through standard title recovery or the bonded title—you’re ready to register.

Bring to the MVD:

• Approved title paperwork (bonded or standard)

• Level I inspection form

• Proof of identity

• Bill of sale

• Registration application

• Registration and license plate fees

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How Much Does It Cost to Register a Trailer in Arizona?

Costs will vary depending on your trailer type, but here’s a general breakdown:

You can also apply for Permanent Registration for trailers in Arizona. Once you title and register it, you may be eligible for one-time registration if the trailer meets weight and use requirements.

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Special Case: Homemade Trailers

If your trailer was built from scratch:

• You’ll need to weigh it at a certified scale

• Submit a homemade trailer affidavit

• Pass a VIN inspection

• Be assigned a new VIN

After those steps, you’ll receive a title and can register like any other trailer.

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What If the Previous Owner Never Titled It?

That’s common—but it doesn’t mean you’re stuck. You can still:

• Ask them to apply for a duplicate title if they’re local

• Use the bill of sale and VIN inspection to prove ownership

• Apply for a bonded title if the original owner is unavailable or uncooperative

Don’t tow a trailer on public roads until this is sorted—Arizona law requires registration and visible license plates.

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Conclusion

Yes, you can register a trailer without a title in Arizona—but it’ll take a little paperwork. Whether you’re dealing with an old trailer, a private sale, or a homemade build, Arizona’s MVD gives you several ways to establish ownership, assign a VIN, and legally get it on the road.

Start with a VIN inspection, gather all the paperwork you have, and be prepared to apply for a bonded title if necessary.

Once it’s registered and tagged, you’re free to tow confidently—knowing everything’s legit. Ready to roll? Contact your local MVD office and get the process started today.