Is Hidden Cameras & Surveillance Devices Legal in Montana? (2026)
Partially — Hidden Cameras & Surveillance Devices are legal with restrictions in Montana as of 2026.
Law changed in 2025: In May 2025, Montana became the first state to close the law enforcement data broker loophole, preventing the government from purchasing data to circumvent warrant requirements. This reflects a strong commitment to privacy in the state.
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Quick Answer
Hidden cameras are legal with restrictions in Montana. Code Ann. § 45-8-213 to record private conversations. Use of hidden cameras is legal in public areas but illegal in private areas where there is an expectation of privacy.
What the Law Says
Montana Code Annotated § 45-8-213 prohibits the recording of private conversations without the knowledge and consent of all parties involved. It also implicitly covers the use of hidden cameras in private areas where there is a reasonable expectation of privacy, as such use would typically involve recording private activities without consent.
— Montana Code Annotated, Section 45-8-213
| Category | Details |
|---|---|
| Private Property Rules | Legal to possess hidden cameras; illegal to record private conversations without consent. |
| Audio Recording Rules | No restrictions on sale of hidden cameras. |
| Criminal Penalties | Violations are misdemeanors punishable by fines and imprisonment up to 6 months. |
| Age Restriction | None |
| Pending Legislation | None known |
In May 2025, Montana became the first state to close the law enforcement data broker loophole, preventing the government from purchasing data to circumvent warrant requirements. This reflects a strong commitment to privacy in the state.
Enforcement Reality
Montana is an all-party consent state for audio recordings, meaning all parties to a conversation must be aware it is being recorded. The state's privacy in communications law is used to prosecute cases of secret recordings.
A common mistake is recording a conversation without the knowledge of all parties involved. Another is placing a hidden camera in a private place, which is a violation of the state's privacy laws.
Local Exceptions
None identified. State law applies uniformly across Montana. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Hidden Cameras & Surveillance Devices are legal with restrictions in Montana. This product is permitted, but specific conditions apply. Violating those conditions can result in fines or criminal charges. Read the rules carefully and consult an attorney if unsure.
Montana vs. the Rest of the US
Across the US, using hidden cameras is fully legal in 0 states, restricted in 46, and illegal in 4. Montana falls in the RESTRICTED category.
View the full 50-state map →Neighboring States
Laws change at state lines. Here is how bordering states compare on Hidden Cameras & Surveillance Devices:
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Frequently Asked Questions
Is it legal to use Hidden Cameras & Surveillance Devices in Montana?
What are the restrictions on using hidden cameras in Montana?
What mistakes do people make with using hidden cameras in Montana?
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Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
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