Delaware Boat Registration

Delaware does not title boats. There is no state boat title in Delaware — the ownership records are the bill of sale or Manufacturer's Certificate of Origin plus the DNREC Certificate of Number, not a title certificate. (Delaware's Division of Motor Vehicles titles boat trailers, but not the boats themselves.) When you register a boat that was titled in another state, DNREC keeps that out-of-state title on file rather than issuing a Delaware title in its place.

Because Delaware never titles boats, the usual "documented but not titled" question does not arise the way it does in titling states: a federally documented vessel already cannot be state-titled under 46 U.S.C. § 12106, and Delaware also does not require a documented vessel to be registered or to display state numbers. If you keep a documented boat in Delaware long-term you may still owe tax or have other obligations, so it is worth understanding the difference in state registration vs USCG documentation.

Delaware requires the Hull Identification Number (HIN) to be verified when you register a boat. Since January 1, 2022, every registration application must include a clear photo or a pencil tracing/rubbing of the HIN as it appears on the hull, so DNREC can confirm the number physically matches the boat and the paperwork.

For a boat built after 1972, the HIN is the 12-character code the manufacturer permanently affixed to the hull. If your out-of-state title or registration shows a partial, mistyped, or missing HIN, the photo or tracing DNREC requires is what resolves the discrepancy before the boat is added to the Delaware registry. Decode any existing hull number first with the HIN decoder to confirm the manufacturer and model year match your documents.

Homemade and no-HIN boats follow a separate documentation path — DNREC requires material invoices, a builder's notarized statement, a photograph of the vessel, and a witness statement — after which a state hull number is assigned so the boat can be registered.

Delaware boat registrations run on the calendar year and expire December 31 — a one-year registration covers January 1 through December 31, and a three-year registration expires December 31 three years out. Renewals for the coming season open in the fall of the prior year (around October 1), and you can renew online, by mail, or through an authorized agent. Because the term is calendar-based rather than anchored to a birthday, all registrations of the same length expire on the same date regardless of when in the year you first registered.

Non-motorized vessels — canoes, kayaks, paddleboards, rowboats, and sailboats with no motor — do not require Delaware registration. A boat validly registered in another state may operate on Delaware waters for up to 60 consecutive days without a Delaware registration; beyond that, Delaware becomes the state of principal use and registration is required. Federally documented vessels are also exempt from Delaware registration and cannot be required to display state numbers, though long-term storage in Delaware can still create tax obligations. The moment any of these boats is fitted with a motor, or exceeds the reciprocity window, the registration requirement applies.