October Term 2012 · Docket 11-626

Does a permanently moored houseboat count as a vessel under federal law?

The dispute centers on whether a houseboat permanently moored in a marina qualifies as a vessel for federal jurisdiction.

Official caption
Lozman v. Riviera Beach
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Argued
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Official Transcript

Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    Mr. Fisher argued the structure must be practically capable of maritime transportation.

    Mr. Frederick argued the houseboat posed a hazard and violated marina rules.

    Mr. Gannon argued function is key to determining if a structure is a vessel.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

The case asks if a structure used as a home counts as a vessel. The answer determines federal court jurisdiction over local disputes.

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How the case got here

The Supreme Court heard oral argument in this case on October 1, 2012.

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What each side wants

the side that brought the case wants the Court to rule the houseboat is not a vessel.

The City wants the Court to rule the houseboat is a vessel.

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What each side says

the side that brought the case argues the structure lacks practical capability for maritime transportation.

The City argues the structure served a transportation function and was moved.

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What the justices asked

Justice Kennedy asked about the frequency of the term indefinitely moored in the brief.

Justice Scalia questioned the clarity of the proposed legal test for vessels.

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Why it matters

This case defines the boundary between local property and federal maritime law. It determines which courts handle disputes over floating structures. The outcome shapes jurisdiction for similar nationwide cases.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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