How to Check a Boat's History Before Buying

Buying a used boat is exciting, but a shiny hull can hide a lot. Before you decide, you need to know where the boat has been, who has owned it and whether anyone has a claim on it. A boat history report, the boat's hull identification number and a careful inspection will tell you most of what you need to know.

Here is how to check a boat's history, step by step.

Why Does a Boat's History Matter?

A boat's past affects its price, safety and resale value. A boat that has been in a serious accident, sunk or been used hard in saltwater may cost far more to own than the asking price suggests.

Checking the history also protects you from paperwork problems. A boat with a lien, a missing title or a stolen hull can leave you with a legal headache instead of a day on the water.

Step 1: Find the Boat Hull Identification Number (HIN)

The HIN is the boat’s serial number and the key to nearly every history search, so find it first.

  • What it is: A 12-character code that identifies the manufacturer, the boat’s serial number and its model year.
  • Where to find it: Usually on the upper starboard (right) side of the transom. Many boats also have a second, hidden HIN elsewhere on the hull, so compare the two.
  • Match the paperwork: Check that the HIN matches the number on the title, registration or documentation.
  • Red flags: A HIN that is missing, damaged, painted over or doesn’t match the paperwork is a major warning sign.
  • Keep a record: Take a clear photo of the HIN for your files.

Step 2: Order a Boat History Report

A boat history report uses the HIN to pull records tied to a specific boat. Running a boat hull identification number lookup is the fastest way to find the boat’s ownership, lien and claim records.

  • Ownership and title history
  • Reported liens
  • Insurance claims or total loss records
  • Theft reports
  • Registration or documentation records
  • Past listings and sales

Some sources offer limited information for free. A free boat history report may confirm basic details, but a paid report usually gives you more to work with.

Step 3: Check Documentation and Title Records

If the boat is federally documented, you can search the U.S. Coast Guard's vessel documentation records. These may list owners and recorded liens.

If the boat is state titled or registered, contact your state's boating agency or motor vehicle office. Rules differ by state. Some states title boats and others only register them.

Ask the seller for the title, registration and bill of sale. The name on the paperwork should match the seller's ID.

Step 4: Ask the Seller the Right Questions

A good seller will answer your questions openly. Ask:

  • How long have you owned the boat?
  • Has it ever been in an accident, run aground or sunk?
  • Where was it kept, and was it used in fresh or salt water?
  • Do you have maintenance records and receipts?
  • Has the engine been repaired or replaced?
  • Is there a loan or lien on the boat?

Compare the answers with what the boat history report and documents show. Any gap between the two deserves a closer look.

Step 5: Know What to Look For When Buying a Used Boat

Records only tell part of the story. When deciding what to look for when buying a used boat, the physical condition matters just as much.

  • Hull: Look for cracks, repairs that don’t match the surrounding gelcoat, and soft spots in the deck or transom.
  • Engine and running gear: Review the engine hours, look for corrosion and leaks, and check the fluid condition. Inspect the propeller, steering and controls.
  • Electrical system: Test the lights, pumps, electronics and bilge.
  • Trailer (if included): Check the tires, bearings, brakes and frame.
  • Water test: Take the boat out for a water test and pay attention to how it starts, accelerates and handles.

Step 6: Hire a Marine Surveyor

For larger or more expensive boats, hire a certified marine surveyor. A surveyor can find problems you can't see, such as moisture in the hull, wiring issues and structural damage.

For engines, a separate mechanical inspection can reveal hidden wear. The cost is small compared with a major repair bill.

Read Next: Learn About Marine Surveys

Red Flags to Watch For

  • A HIN that is missing, altered or doesn't match the paperwork
  • A seller who can't produce a title or registration
  • A price far below similar boats
  • Pressure to pay in cash or buy immediately
  • Reports of past accidents or a total loss
  • No maintenance records
  • A seller who won't allow an inspection or sea trial

Ready to Find Your Boat?

Taking the time to check a boat's history helps you buy with confidence. Ready to start shopping? Browse different boat types on the Boat Finder.

Read Next: Buying a Used Boat Checklist

Frequently Asked Questions

Q: Where is the hull identification number on a boat?

A: The hull identification number is usually on the upper starboard side of the transom. Many boats also have a hidden duplicate elsewhere on the hull. If you can't find the HIN, ask the seller or check the boat's paperwork.

Q: Is there a free way to check a boat's history?

A: Yes, but the details are limited. You can search U.S. Coast Guard documentation records for documented vessels and contact your state's boating agency about title and registration. A paid boat history report generally covers more ground.

Q: What should I ask a seller before buying a used boat?

A: Ask about ownership length, accidents, repairs, storage, engine hours and any liens. Request the title, registration and maintenance records, and compare everything with the boat history report.