Skip to main content

Drug dogs at home doors

Florida v. Jardines

Updated Oct 19, 2026

In brief

The Supreme Court agreed with Florida’s highest court that police use of a drug-detection dog on Jardines’ porch was a Fourth Amendment search.

Where it stands
Decided

Decided 5-4 · March 26, 2013 · Opinion by Justice Kagan

What it’s about
The Supreme Court agreed with Florida’s highest court (affirmed its ruling) that police investigating Joelis Jardines’ home with a drug-detection dog on his front porch conducted a search under the Fourth Amendment.
Who it affects
For Jardines, the dog sniff on his front porch was classified as a search under the Fourth Amendment.

Summary: written with AI from the case record.

Illustration for Florida v. Joelis Jardines
Conceptual illustration · AI-generated

What it's about

The Court treated a home’s front porch as part of the home itself for Fourth Amendment purposes.

Question presented

Is a dog sniff at the front door of a suspected grow house by a trained narcotics detection dog a Fourth Amendment search requiring probable cause?

What the Court decided

Holding

The investigation of Jardines’ home was a “search” within the meaning of the Fourth Amendment. 73 So. 3d 34, affirmed.

Result
Affirmed

The Court's reasoning

The Court treated the front porch as part of the home for Fourth Amendment purposes. It decided that police using a drug-detection dog there to investigate Jardines’ home conducted a search.

The vote

  • Joined the judgment
  • Dissented
  • Wrote an opinion
Majority · 5joined the Court's opinion
  1. Kaganwrote the opinion
  2. Thomas
  3. Scaliaalso wrote separately
  4. Ginsburg
  5. Sotomayor
Dissenting · 4disagreed with the result
  1. Breyer
  2. Kennedy
  3. Roberts
  4. Alitowrote the dissent
5 justices joined the judgment, 4 dissented.

From the opinions

“The law of trespass generally gives members of the public a license to use a walkway to approach the front door of a house and to remain there for a brief time.”

— Justice Alito(dissent)

What's next

Lower courts must apply the ruling to the practice it addressed: using a drug-detection dog on a home’s front porch. No further step in Jardines’ case is identified.

Documents

2

Docket activity

10
  • New analysis added

    Oct 19, 2026 · Court records

  • AI analysis generated: Case Briefing

    Oct 19, 2026 · Generated

  • New analysis added

    Oct 19, 2026 · Court records

  • AI analysis generated: Impact Analysis

    Oct 19, 2026 · Generated

  • AI analysis generated: Opinion Summary

    Oct 19, 2026 · Generated

Show 5 more
  • AI analysis generated: Decision Record

    Oct 19, 2026 · Generated

  • Case data updated: summary, question_presented, generation_metadata

    Oct 19, 2026 · Court records

  • Case data updated: question_presented, extraction_metadata

    Oct 17, 2026 · Court records

  • Audio Recording added: Oral Arguments - Jardines

    Oct 30, 2014 · Court records

  • Opinion added: Jardines

    Mar 26, 2013 · Court records

More questions

2
Did the Court decide whether police had probable cause?
The stated holding was that the investigation was a search; it did not separately state whether officers had probable cause.
Why did Justice Alito disagree?
He argued that trespass law lets members of the public, including police officers, briefly approach a home’s front door.

Sources

Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.

Checked Oct 19, 2026Methodology

Court records and filings

Reporting and analysis