Animal Ordinances in Montgomery County, MD (2026)
10 county-level rules, plus city-specific rules for 2 cities in Montgomery County, Maryland.
Verified from official government sources
Chickens & Livestock
Montgomery County's animal control law requires livestock stay on the owner's property and bars keeping any animal, including horses, goats, sheep, or poultry, in a way that creates an unsanitary, dangerous, or offensive condition through the size or number of animals or an inadequate facility.
Montgomery County Backyard Livestock Nuisance Rule
Some RestrictionsMontgomery County Code § 5-203(a)(5)
Allow an animal to cause an unsanitary, dangerous, or offensive condition because of the size or number of animals in a single location or because a facility is not appropriate for the animal or properly maintained. (6) Allow an animal to cause noise that is loud and persistent enough to disturb another person's quiet enjoyment. (7) Allow a dog to be on public school grounds on ...
Dog Leash Laws
County law bans letting a dog run at large, meaning off the owner's property and off-leash, except in designated exercise areas or organized activities.
Montgomery County Dog Leash Law
Some RestrictionsMontgomery County Code § 5-101 (definitions) and § 5-203(a)(1)
At large: A dog, except a service animal, is at large if it is outside the owner's premises and not leashed, unless it is in a dog exercise area designated by either the Maryland-National Capital Park and Planning Commission or a municipality, or is participating in a qualified activity... An owner must not: (1) Allow an animal other than an altered cat to be at large.
Breed Restrictions
Montgomery County has no breed-specific ban. County Code § 5-202 declares an animal "dangerous" or "potentially dangerous" based on its conduct, not its breed, then imposes confinement and control conditions on the owner.
Montgomery County Dangerous Dog Declaration Rules
Significant RestrictionsMontgomery County Code § 5-202(a)(2)
An animal is dangerous if the animal is: (A) a “dangerous dog” as defined in Md. Code, Criminal Law Article § 10-619; (B) any other animal that, without provocation, has killed or severely injured a person; (C) an animal that poses a physical threat to humans because of specific training or demonstrated behavior, or because the animal's bite is poisonous; or (D) a potentially dangerous animal t...
Beekeeping
Montgomery County permits beekeeping on residential lots under Maryland Agriculture Article Sec 5-501 et seq. State registration with the Maryland Department of Agriculture Apiary Inspection Program is required. No county-specific permit needed. Hives should face away from neighboring property and public areas.
Montgomery County Beekeeping Regulations
Few RestrictionsMaryland Agriculture Article Section 5-501 (Bees - Definitions)
Section 5-501. (a) In this subtitle the following words have the meanings indicated. (b) "Abandoned apiary" means an apiary where a beekeeper fails to maintain a colony. (c) "Apiary" means a place where one or more bee colonies may be maintained. (d) "Appliance" means any device used in handling bees, hives, honey, or wax. (e) "Bee" means the common honey bee, apis mellifera, at any stage of de...
Exotic Pets
Montgomery County bans importing, selling, breeding, or keeping any wild animal as a pet, with narrow exceptions for kangaroos, wallabies, and sugar gliders under County Code Section 5-202.
Montgomery County Wild Animal Possession Ban
Heavy RestrictionsMontgomery County Code Section 5-202(a)(1)
Except as provided in subsection (h), a person must not import, sell, trade, buy, barter, breed, raise, keep, or possess: (A) a wild animal; or (B) any animal that the County or any other jurisdiction finds is dangerous or a threat to public health or safety, including types of animals excluded from State law prohibitions on dangerous animals.
Cat Rules
The County requires cat licenses on the same terms as dogs, but exempts altered (spayed/neutered) cats from the general at-large ban that covers every other animal in the county.
Montgomery County Cat Licensing & At-Large Law
Some RestrictionsMontgomery County Code § 5-203(a)(1)
(a) Violation. An owner must not: (1) Allow an animal other than an altered cat to be at large. An animal that is participating in a qualified activity is not at large unless the animal leaves the activity.
Microchipping
Montgomery County requires microchips only for dangerous or potentially dangerous animals, impounded strays, and Division-adopted pets, not for pets generally.
Montgomery County Animal Microchipping Rule
Some RestrictionsCOMCOR 05.00.03.02(a)
(a) Dangerous or Potentially Dangerous Animals. The owner of a dangerous or potentially dangerous animal must have a microchip implanted in the animal for identification, unless the Director determines that it is medically inappropriate... Unless otherwise specified by the Director, the microchip must be implanted within 72 hours of the Division determining the animal is dangerous or potentiall...
Pet Store Rules
Retail pet stores in Montgomery County cannot sell dogs or cats at all unless the animal came from a shelter or nonprofit rescue: an adoption-only rule aimed at puppy and kitten mills.
Montgomery County Retail Pet Store Sourcing Ban
Heavy RestrictionsMontgomery County Code § 5-407
A retail pet store must not offer for sale any dog or cat unless the retail pet store obtained that dog or cat from: (a) an animal care facility; or (b) a non-profit rescue organization.
Pet Groomer Rules
Anyone charging a fee to groom pets in Montgomery County needs an annual Animal Services license, and groomers must show proof of certified grooming-school training.
Montgomery County Pet Groomer Licensing
Some RestrictionsCOMCOR 05.404.01.04
A person must not provide Groomer, Trainer or Guard Dog services for a fee without an annual license from the Division. 2. A license issued shall expire on June 30 of each year unless earlier suspended or revoked. A license issued shall be prominently displayed at all times and the license number must be contained in any advertisement. 3. The holder of any expiring license...
Veterinary Clinic Zoning
Montgomery County's Zoning Ordinance treats a Veterinary Office/Hospital as its own land-use category, separate from Animal Boarding and Care, with fenced-yard setbacks, a 9 p.m.-7 a.m. outdoor curfew, and Hearing Examiner conditional-use approval required in agricultural and residential zones.
Montgomery County Veterinary Hospital Zoning Standards
Some RestrictionsMontgomery County Code, Ch. 59 (Zoning Ordinance), § 59.3.5.1.C
Veterinary Office/Hospital means any structure and land where medical, surgical, and other veterinary care is provided to domestic animals, which may stay overnight only for medical purposes. Veterinary Office/Hospital does not include Animal Boarding and Care... Where a Veterinary Office/Hospital is allowed as a limited use, it must satisfy the following standards: ...an outdoor exercise yard ...
Animal Ordinances by City in Montgomery County
2 cities in Montgomery County have their own animal ordinances rules. Each link goes to that city's dedicated page with code citations.
All Montgomery County ordinances
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