Missouri Service Dog Registration

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Missouri Service Dog Laws at a Glance

Written by: Licensed Professional Counselor (LPC-MHSP)
Medically Reviewed by Evelyn Daley MSW, LCSW
Published: Last updated:

The ADA protects service dog handlers in every state. Missouri adds its own rules in Mo. Rev. Stat. § 209.150 — here is what that means for you, with a link to each official source.

Public access lawMo. Rev. Stat. § 209.150
Service dogs in trainingCovered — Mo. Rev. Stat. § 209.152
Fake service dog penaltyA Class C misdemeanor (Class B for a repeat offense), plus civil liability for actual damagesMo. Rev. Stat. § 209.204
Harming a service dogInjuring/killing a service dog: class A misdemeanor; harassing or chasing one: class B misdemeanor; plus civil damages.Mo. Rev. Stat. § 209.202
Dog license feeNo statewide exemptionNormal local dog-license rules apply; some cities and counties waive the fee on request.
Where to file a complaintMissouri Commission on Human RightsFile within 180 days of the incident.

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Missouri Service Dog FAQ

Do I have to register my service dog in Missouri?

No. Neither the ADA nor Mo. Rev. Stat. § 209.150 requires registration, and businesses may not demand it.

What can a business in Missouri ask about my service dog?

Only two questions: is the dog required because of a disability, and what task is it trained to perform. No documents, demonstrations or pet fees.

Can I take a service dog in training into public places in Missouri?

Yes. The ADA doesn't cover dogs in training, but Missouri does under Mo. Rev. Stat. § 209.152.

Is it illegal to pass off a pet as a service dog in Missouri?

Yes. Under Mo. Rev. Stat. § 209.204, it is a Class C misdemeanor (Class B for a repeat offense), plus civil liability for actual damages.

What happens if someone harms or interferes with my service dog in Missouri?

Missouri treats it as a specific offense under Mo. Rev. Stat. § 209.202: Injuring/killing a service dog: class A misdemeanor; harassing or chasing one: class B misdemeanor; plus civil damages. Report it to local police, and keep vet bills and witness details.

How do I file a complaint if I'm refused access in Missouri?

File with the Missouri Commission on Human Rights within 180 days of the incident, or with the U.S. Department of Justice at ADA.gov.

Can I fly with my service dog from St. Louis (STL)?

Yes. Airlines at St. Louis (STL) must accept trained service dogs in the cabin free of charge; most ask for the DOT Service Animal Air Transportation Form in advance.

Are service dogs allowed in rental housing in Missouri?

Generally yes. Trained service dogs are a reasonable accommodation under the federal Fair Housing Act and RSMo § 213.040, so landlords should waive no-pet rules and pet fees, with narrow exceptions such as some small owner-occupied buildings.

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Official Sources

  1. Mo. Rev. Stat. § 209.150 — service animal public access
  2. Mo. Rev. Stat. § 209.202 — harming or interfering with a service dog
  3. RSMo § 213.040 — housing
  4. Missouri Commission on Human Rights — complaints
  5. ADA Requirements: Service Animals (U.S. Department of Justice) — federal rules
  6. Service Animals (U.S. Department of Transportation) — air travel

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This summary of Missouri law was last reviewed in October 2026 and is general information, not legal advice. United States Service Dogs is a private registration service, not a government agency.