Montana
Montana Surveillance Camera Laws (2026 Guide)
Independently fact-checked against primary sources (last audited August 16, 2026). · Reviewed by the RecordingLaw editorial team. · 8 primary sources cited on this page. How we verify our legal content
Montana permits security cameras on your own property but prohibits recording in spaces where people expect privacy under MCA 45-5-223. Montana is also an all-party consent state for audio under MCA 45-8-213, meaning every person in a recorded conversation must know it is happening.
Overview of Montana Surveillance Camera Laws
Montana does not have a single statute that governs all surveillance camera use. Instead, several state laws work together to define what is legal and what is not. The most important statutes are MCA 45-5-223 (surreptitious visual observation or recordation), MCA 45-8-213 (privacy in communications), and MCA 45-5-220 (stalking).
The central principle across all of these laws is the concept of a "reasonable expectation of privacy." Video surveillance is generally legal in Montana when used in areas where people do not expect privacy, such as public streets, front yards, and common areas of businesses. Recording becomes illegal when cameras capture images in locations where people reasonably expect to be free from observation, such as bedrooms, bathrooms, and other private spaces.
Montana also stands out because of Article II, Section 10 of the Montana Constitution, which states: "The right of individual privacy is essential to the well-being of a free society and shall not be infringed without the showing of a compelling state interest." The Montana Supreme Court has interpreted this provision as providing "one of the most stringent protections of its citizens' right to privacy in the United States."
Understanding these protections is essential for homeowners, employers, landlords, and anyone else using surveillance cameras in Montana.
Home Security Camera Laws in Montana
Montana law permits homeowners to install security cameras on their own property for legitimate purposes such as deterring crime, monitoring deliveries, and protecting their home. There is no state law requiring you to register cameras or obtain a permit before installation.
Where You Can Place Home Cameras
You can legally place cameras in the following areas of your property:
- Front door and porch areas for monitoring visitors and packages
- Driveways and garages to record vehicle activity
- Backyards to monitor your own property boundaries
- Common living areas inside your home, such as living rooms and kitchens
- Exterior walls aimed at your own property
Where You Cannot Place Home Cameras
Montana law prohibits cameras in locations where individuals have a reasonable expectation of privacy. Under MCA 45-5-223, it is illegal to surreptitiously observe or record someone inside a "private dwelling house, apartment, or other place of residence" without their knowledge. You should never place cameras in:
- Bedrooms or guest rooms where people expect complete privacy
- Bathrooms including guest bathrooms
- Areas aimed through windows of a neighbor's home
- Any location intended to capture intimate or private activities of others
Audio on Home Security Cameras
This is where Montana law gets particularly strict. Montana is an all-party consent state under MCA 45-8-213. This means that recording any conversation using "a hidden electronic or mechanical device that reproduces a human conversation" is illegal unless every person in the conversation knows about the recording.
If your home security camera has a microphone, you must either:
- Disable the audio recording feature entirely, or
- Post clear signage notifying all visitors that audio and video recording is in progress
Simply having a visible camera is not enough to satisfy the audio consent requirement. The law specifically targets "hidden" recording devices, but best practice is to provide explicit notice whenever audio recording is active.
Nanny Cams in Montana
Nanny cams (hidden cameras used to monitor caregivers) occupy a legal gray area in Montana. The rules depend on whether the camera records video only or includes audio.
Video-Only Nanny Cams
Video-only nanny cams are generally legal in Montana when placed in common areas of your home, such as the living room, kitchen, or playroom. There is no Montana statute that specifically requires you to disclose a video-only camera on your own property in these areas.
However, you should never place a nanny cam in:
- The caregiver's designated changing area or bedroom if they live in your home
- Bathrooms
- Any space where the caregiver reasonably expects privacy
Placing a hidden camera in these areas could violate MCA 45-5-223, which prohibits surreptitious observation or recording of people in a residence without their knowledge.
Nanny Cams with Audio
If your nanny cam records audio, Montana's all-party consent law (MCA 45-8-213) applies. You must inform your nanny or caregiver that audio is being recorded. Failing to disclose audio recording is a misdemeanor, even if the video portion is legal.
The safest approach is to:
- Use a video-only camera, or
- Inform the caregiver in writing that audio and video recording occurs in specified areas of the home
Getting written acknowledgment provides the clearest legal protection for both parties.
Audio Recording and Consent Requirements
Montana is one of approximately 12 states that require all-party consent for audio recording. This is one of the most important aspects of surveillance law in the state.
What the Law Says
MCA 45-8-213(1)(c) makes it a criminal offense to record or cause the recording of a conversation "by use of a hidden electronic or mechanical device that reproduces a human conversation without the knowledge of all parties to the conversation."
This applies to:
- In-person conversations picked up by security cameras with microphones
- Telephone conversations recorded without all parties' knowledge
- Electronic communications including video calls
Exceptions to the All-Party Consent Rule
The law provides four specific exceptions where all-party consent is not required:
- Public officials and employees recording in the performance of official duties
- Public meeting speakers who can be recorded by anyone in attendance
- Warning provided to all parties that recording is taking place (once warned, either party may record)
- Healthcare emergency communications recorded by a healthcare facility
The third exception is particularly relevant for surveillance cameras. If you post a clear sign stating "Audio and video recording in progress" and a visitor enters despite the warning, the warning requirement is satisfied under Montana law.
The "Hidden Device" Distinction
Montana's statute specifically targets recordings made with "hidden" devices. According to the Reporters Committee for Freedom of the Press, journalists may record conversations in public settings where there is no reasonable expectation of privacy without consent, because the recording device is not hidden. This principle can apply to visible security cameras in public-facing areas.
However, relying on this distinction alone is risky. The safest practice is always to provide notice when audio recording is occurring.
Hidden Camera Laws in Montana
Montana has a specific criminal statute targeting hidden cameras. MCA 45-5-223 addresses two types of surreptitious visual observation or recordation.
Hidden Cameras in a Residence
A person commits this offense by purposely or knowingly hiding, waiting, or loitering "within or in the vicinity of a private dwelling house, apartment, or other place of residence" to:
- Watch, gaze at, or look upon any occupant in a surreptitious manner without their knowledge, or
- Use an electronic device to surreptitiously observe or record the visual image of any occupant without their knowledge
This means that placing a hidden camera to spy on someone inside their home, apartment, or any other residence is a criminal offense in Montana.
Hidden Cameras in Public Places
The statute also prohibits surreptitious recording in public places in certain circumstances. A person commits this offense by purposely or knowingly observing or recording "a visual image of the sexual or intimate parts of another person" in a public place without the other person's knowledge, when the victim has a reasonable expectation of privacy regarding those body parts.
This provision covers "upskirting," hidden cameras in public restrooms, and similar invasions of bodily privacy even in otherwise public settings.
Exceptions for Certain Professionals
MCA 45-5-223 does not apply to:
- Law enforcement officers acting in the course and scope of employment for legitimate investigative purposes
- Insurance agents or employees conducting legitimate investigations
- Licensed private investigators performing authorized work
- Fraud detection personnel operating under MCA 2-15-2015 or MCA 39-71-211
These exceptions apply only when the person is acting within the legitimate scope of their professional duties.
Workplace Surveillance Camera Laws in Montana
Montana does not have a specific statute that governs workplace video surveillance. However, several state and federal laws shape what employers can and cannot do.
General Rules for Employers
Employers in Montana can generally use video surveillance cameras in:
- Lobbies and reception areas
- Hallways and stairwells
- Parking lots and garages
- Loading docks and warehouses
- Retail sales floors
Employers cannot place cameras in areas where employees have a reasonable expectation of privacy, including:
- Restrooms and locker rooms
- Break rooms used for changing clothes
- Lactation rooms
- Private offices (depending on circumstances)
Audio in the Workplace
Because Montana is an all-party consent state, employers must not record workplace conversations without the knowledge of all participants. If workplace cameras include microphones, employers must provide clear written notice to all employees that audio recording occurs in specified areas.
Montana's Constitutional Privacy Right
Montana's strong constitutional privacy protections under Article II, Section 10 can affect workplace surveillance cases. Courts in Montana have used this provision to scrutinize intrusive monitoring practices. While the constitutional right primarily limits government action, the Montana Supreme Court has recognized that it can influence how courts evaluate privacy expectations in various contexts.
Employee Social Media Privacy
Under MCA 39-2-307, employers cannot require employees to disclose social media passwords or access personal social media accounts. Employers also cannot retaliate against employees who refuse such requests. This law does not directly address physical surveillance cameras but reflects Montana's strong stance on employee privacy.
Neighbor Security Camera Disputes in Montana
Disputes between neighbors over security cameras are increasingly common, especially with the rise of doorbell cameras and outdoor surveillance systems. Montana law provides several frameworks for addressing these conflicts.
When a Neighbor's Camera is Legal
A neighbor has the right to install security cameras on their own property, even if those cameras capture portions of your property that are visible from public areas. Under general privacy law principles, there is no reasonable expectation of privacy in:
- Front yards and driveways visible from the street
- Activities conducted in plain view from neighboring properties
- Public sidewalks and roads adjacent to your property
When a Neighbor's Camera Crosses the Line
A neighbor's camera may violate Montana law if it:
- Points directly into your windows to observe private activities inside your home
- Records into a fenced backyard where you have taken steps to create privacy
- Includes audio recording of your conversations without your consent (violating MCA 45-8-213)
- Is used to follow your movements with pan-and-tilt features in a harassing manner
Potential Legal Claims
If a neighbor's surveillance crosses legal boundaries, you may have several options:
- Criminal complaint under MCA 45-5-223 if the camera surreptitiously records you inside your residence or captures intimate images in a public place
- Stalking charges under MCA 45-5-220 if the surveillance constitutes a "course of conduct" that causes fear or substantial emotional distress. The statute specifically includes acts where a person "monitors, observes, surveils" another person using "electronic, digital, or global positioning device or similar technological means."
- Civil invasion of privacy tort (intrusion upon seclusion) requiring proof that the intrusion was intentional, invaded your reasonable expectation of privacy, and was highly offensive to a reasonable person
Steps to Address a Camera Dispute
If you believe a neighbor's camera violates your privacy:
- Document the camera's placement and what it captures
- Talk to your neighbor directly about your concerns
- Send a written request asking them to redirect the camera
- File a complaint with local law enforcement if you believe a criminal statute is being violated
- Consult a Montana attorney about potential civil remedies
Landlord and Tenant Surveillance Rules
Montana's Residential Landlord and Tenant Act does not specifically address surveillance cameras, but several principles apply.
What Landlords Can Do
Landlords may install security cameras in common areas of rental properties, such as:
- Building entrances and exits
- Parking lots
- Hallways and stairwells
- Laundry rooms and other shared facilities
What Landlords Cannot Do
Landlords are prohibited from:
- Placing cameras inside rental units without tenant consent
- Recording audio in common areas without providing notice to all tenants (under MCA 45-8-213)
- Using cameras to monitor tenant activities in a harassing or discriminatory manner
- Installing cameras aimed at windows or private areas of tenant units
Tenant Rights
If you are a tenant and discover an unauthorized camera in your unit or aimed at your private spaces:
- Document the camera with photos and notes about its placement
- Notify your landlord in writing objecting to the device and requesting its removal
- Keep copies of all communications
- Contact local law enforcement if you believe a criminal statute has been violated
- Consult a tenant rights attorney about potential lease violations and privacy claims
Penalties for Violating Montana Surveillance Laws
Montana imposes escalating criminal penalties for surveillance-related offenses.
Surreptitious Observation or Recording (MCA 45-5-223)
| Offense | Maximum Jail Time | Maximum Fine |
|---|---|---|
| First conviction | 6 months (county jail) | $500 |
| Second conviction | 1 year (county jail) | $1,000 |
| Third or subsequent | 5 years (state prison) | $10,000 |
Privacy in Communications (MCA 45-8-213)
| Offense | Maximum Jail Time | Maximum Fine |
|---|---|---|
| First conviction | 6 months (county jail) | $500 |
| Second conviction (subsections 1a/1b) | 1 year (county jail) | $1,000 |
| Third or subsequent (subsections 1a/1b) | 5 years (state prison) | $10,000 |
The enhanced second and third-offense penalties above reach only subsections (1)(a) and (1)(b) of the statute. A hidden-audio-recording violation under subsection (1)(c), the provision that makes Montana an all-party consent state, remains a misdemeanor capped at 6 months and $500 no matter how many prior convictions a person has.
Stalking (MCA 45-5-220)
| Offense | Maximum Jail Time | Maximum Fine |
|---|---|---|
| First conviction | 1 year (county jail) | $1,000 |
| Second within 20 years, or involving weapons, protection order violations, or minor victims | 5 years (state prison) | $10,000 |
Nonconsensual Intimate Images (MCA 45-8-213(1)(d))
Montana also criminalizes the nonconsensual distribution of intimate images (sometimes called "revenge porn"). Publishing or distributing photographs or videos showing a person's genitals, buttocks, or exposed female breast, or showing sexual conduct, without the person's consent and with intent to harass or injure, is a misdemeanor for a first offense. Unlike the section's other violations, a second or subsequent conviction under this subsection is a felony punishable by up to 5 years in prison, a fine of up to $25,000, or both.
Exceptions exist for images involving voluntary public exposure, disclosures in the public interest, law enforcement and legal proceedings, and materials with historic, artistic, scientific, or educational value.
Montana's Constitutional Right to Privacy
Montana offers stronger privacy protections than most states. Article II, Section 10 of the Montana Constitution provides:
"The right of individual privacy is essential to the well-being of a free society and shall not be infringed without the showing of a compelling state interest."
This provision was adopted at the 1972 Constitutional Convention. Delegates specifically cited concerns about government surveillance and electronic eavesdropping as reasons for including this protection. The Montana Supreme Court has consistently held that this right is broader than the federal constitutional right to privacy.
Key aspects of this constitutional protection include:
- Compelling state interest standard: Any government invasion of privacy must meet the highest level of legal justification
- Broader than federal protections: Montana courts have ruled that Article II, Section 10 provides more extensive privacy rights than the Fourth and Fourteenth Amendments to the U.S. Constitution
- GPS and electronic surveillance: Montana courts have held that prolonged electronic monitoring without a warrant violates this constitutional privacy right
- Individuals only: The 1972 delegates specified that corporations are not considered "individuals" under this provision
While this constitutional right primarily limits government action, it also shapes how Montana courts evaluate privacy expectations in all surveillance-related cases.
Recent Changes to Montana Privacy Law
Montana's 2025 legislative session produced several new laws affecting privacy and surveillance:
- AI surveillance limits: Government entities cannot use artificial intelligence systems for cognitive behavioral manipulation or to classify people based on behavior, socioeconomic status, or personal characteristics (MCA 2-21-102, enacted by Chapter 427, Laws of 2025).
- Digital likeness protections: House Bill 513 (Chapter 685) established rights in the use of a person's name, voice, or visual likeness, providing new legal tools against unauthorized digital surveillance and deepfake creation.
- Children's data protections: House Bill 599 (Chapter 696) expanded options for parents regarding data collection from minors.
Montana's limits on government facial recognition are older than this and date to the 2023 session, not 2025. Chapter 781, Laws of 2023 enacted MCA 44-15-104, which bars a state or local government agency, law enforcement agency, public employee, or public official from using continuous facial surveillance, and MCA 44-15-105, which prohibits government use of facial recognition technology except in the narrow circumstances allowed by 44-15-106 and 44-15-108. An agency that runs a facial recognition service without a third-party vendor must also establish a policy covering result quality and operator training under MCA 44-15-110.
These laws reflect Montana's continued emphasis on protecting individual privacy rights against evolving technology.
Frequently Asked Questions
Can I install a Ring doorbell camera in Montana?
Yes. Doorbell cameras like Ring and Nest are legal in Montana. However, if the device records audio, you should be aware that Montana's all-party consent law (MCA 45-8-213) requires that all parties to a conversation know they are being recorded. Most doorbell cameras provide an audible notification or visual indicator when recording. If yours does not, consider posting a sign near the doorbell stating that audio and video recording is in progress.
Is it legal to record my neighbor's property with a security camera?
You can record portions of a neighbor's property that are visible from your own property or from public areas, such as their driveway or front yard. However, pointing a camera directly into their windows or fenced private areas may violate MCA 45-5-223 or give rise to a civil invasion of privacy claim. As a general rule, aim your cameras at your own property and public areas rather than directly at a neighbor's private spaces.
Can my employer watch me on camera at work in Montana?
Employers in Montana can use video surveillance in common work areas such as lobbies, hallways, retail floors, and parking lots. They cannot place cameras in restrooms, locker rooms, lactation rooms, or other areas where employees have a reasonable expectation of privacy. If cameras record audio, all employees must be informed, because Montana's all-party consent law applies. Montana's strong constitutional privacy right (Article II, Section 10) may provide additional protections that courts evaluate on a case-by-case basis.
What should I do if I find a hidden camera in my rental apartment?
Finding a hidden camera in your rental unit is a serious matter. Document the camera with photos, and note its exact location and what it appears to capture. Do not remove the camera yourself, as it may be evidence. Contact local law enforcement immediately, as this may violate MCA 45-5-223 (surreptitious observation). Also notify your landlord in writing and consult a Montana attorney about your rights, including potential criminal charges against the responsible party and civil damages you may be entitled to.
Are nanny cams legal in Montana without telling the nanny?
Video-only nanny cams placed in common areas (living room, kitchen, playroom) are generally legal even without disclosure. However, if the camera records audio, you must inform the caregiver under Montana's all-party consent law (MCA 45-8-213). You should never place a nanny cam in a bathroom, a bedroom designated for the caregiver's use, or any other area where they have a reasonable expectation of privacy. For the best legal protection, consider informing the caregiver about all cameras in writing.
Related Montana Camera and Privacy Laws
- Montana Recording Laws covers the consent rule that governs camera audio in Montana.
- Montana Security Camera Recording Rules explains the recording-law side of camera use.
- Montana Biometric Privacy Laws addresses facial recognition and biometric data.
- Montana Ring Doorbell Laws covers video doorbell rules in Montana.
Common Camera Questions
These national guides answer the most common surveillance camera questions:
Updates
Corrected the recent-changes section: Montana's restrictions on government facial recognition date to the 2023 legislative session, not 2025, and clarified that the escalating repeat-offense penalties do not apply to hidden audio recording under MCA 45-8-213(1)(c).
Corrected the repeat-offense penalty for nonconsensual intimate images and repointed the digital-likeness bill link to the correct enrolled act.
Independently fact-checked against the cited primary sources
Reviewed and approved by an editor
The Law Behind This Article
This article rests on the statutory provisions below, held in our own legal record and retrieved from the official source. Tap a section to read the operative text.
Montana Code Annotated, Title 45
§ 45-5-223Surreptitious Visual Observation Or Recordation -- Place Of Residence -- Public Place -- ExceptionsIn forcecited in 9 of our articles
45-5-223. Surreptitious visual observation or recordation -- place of residence -- public place -- exceptions. (1) A person commits the offense of surreptitious visual observation or recordation in a place of residence if the person purposely or knowingly hides, waits, or otherwise loiters in person or by means of a remote electronic device within or in the vicinity of a private dwelling house, apartment, or other place of residence for the purpose of: (a) watching, gazing at, or looking upon any occupant in the residence in a surreptitious manner without the occupant's knowledge; or (b) by means of an electronic device, surreptitiously observing or recording the visual image of any occupant in the residence without the occupant's knowledge. (2) A person commits the offense of surreptitious visual observation or recordation in public if the person purposely or knowingly observes or records a visual image of the sexual or intimate parts of another person in a public place without the other person's knowledge when the victim has a reasonable expectation of privacy.
Official text (excerpt) · last checked 2026-08-31 · Read the full text in our law library · Verify at mca.legmt.gov
Cited in 1 court opinions in our collectionLatest citing opinion in our collection: 2026
Opinions citing this section in our collection:
- United States v. Watkins (Court of Appeals for the Tenth Circuit 2026)“…nn. § 609.746;1 Miss. Code Ann. § 97-29-61;2 MPC § 250.12;1 Mont. Code Ann. 45-5-223;3 Neb. Rev. Stat. § 28-311.08; Nev. Rev…”
Identified automatically from the court opinions citing this section — not a ranking of which case controls.
Also relied on in: Montana Video Recording Laws: Consent Rules, Surveillance, and Penalties (2026), Montana Recording Laws (2026): Announcement Exception and Penalties, Montana Laws on Recording in Public: First Amendment Rights and Limitations (2026)
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Sources and References
- Montana Code Annotated 45-5-223: Surreptitious Visual Observation or Recordation(archive.legmt.gov).gov
- Montana Code Annotated 45-8-213: Privacy in Communications(archive.legmt.gov).gov
- Montana Code Annotated 45-5-220: Stalking(archive.legmt.gov).gov
- Montana Constitution Article II, Section 10: Right of Privacy(umt.edu)
- Montana Code Annotated 39-2-307: Employer Social Media Privacy(archive.legmt.gov).gov
- Montana Residential Landlord and Tenant Act of 1977(archive.legmt.gov).gov
- Reporters Committee for Freedom of the Press: Montana Recording Guide(rcfp.org)
- Montana 2025 HB 513 (Ch. 685): Digital Likeness Protections(archive.legmt.gov).gov
- Montana Department of Justice: Tenants and Landlords(dojmt.gov).gov
- 2025 Montana Law and Justice Legislation Summary(archive.legmt.gov).gov
- Montana Code Annotated 44-15-104: Prohibition of Continuous Facial Surveillance (Ch. 781, L. 2023)(mca.legmt.gov)
- Montana Code Annotated 44-15-105: Prohibition of Facial Recognition Technology (Ch. 781, L. 2023)(mca.legmt.gov)
- Montana Code Annotated 44-15-110: Meaningful Human Review and Policy Requirement(mca.legmt.gov)
- Montana Code Annotated 2-21-102: Prohibited Use of Artificial Intelligence by Government Entity (Ch. 427, L. 2025)(mca.legmt.gov)