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Animal Ordinances in Maryland (2026)

131 rules on the books across Maryland, 16 cities and counties. Select a rule to read the full details.

Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions

Chickens & Livestock

Combined rules for keeping chickens and other livestock such as goats, rabbits, and ducks on residential property, including lot size requirements.

Frederick

Significant Restrictions

Frederick bans livestock citywide outside limited exceptions, but allows licensed backyard chickens on single-family or…

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Annapolis

Some Restrictions

Annapolis caps backyard flocks at five chickens per property, bars roosters and all other livestock, and requires…

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Anne Arundel County

Some Restrictions

Anne Arundel County ties livestock and fowl to lot size: 40,000 sq ft minimum for horses, cattle, sheep, goats, swine…

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Baltimore County

Some Restrictions

Baltimore County Code 12-2-402 lets a person keep hens on an owner-occupied lot under one acre only with a license from…

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Carroll County

Some Restrictions

Carroll County zoning caps backyard fowl by lot size and bans roosters at every tier under § 158.075.02(A)(8): six…

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Charles County

Some Restrictions

Charles County's zoning ordinance lets residents keep horses, poultry and rabbits as pets on any lot without a special…

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Gaithersburg

Some Restrictions

Gaithersburg lets residents keep chickens and other domestic fowl at home, but City Code § 4-7 caps a residential lot…

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Harford County

Some Restrictions

Homestead chickens are allowed on unincorporated Harford County lots under § 267-27D(13) of the zoning code, but only…

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Howard County

Some Restrictions

Howard County has no numeric permit for backyard chickens in its general code; instead, unclean facilities for domestic…

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Montgomery County

Some Restrictions

Montgomery County's animal control law requires livestock stay on the owner's property and bars keeping any animal…

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Prince Georges County

Some Restrictions

Prince George's County Code § 3-133 requires anyone keeping fowl or livestock, commercial or backyard, to keep the…

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Rockville

Some Restrictions

Rockville allows up to five hens per single-family home with a police-issued permit: no roosters, no multifamily coops…

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Washington County

Some Restrictions

Washington County's zoning ordinance lets a homeowner keep up to two domestic animals as pets in an accessory 'Private…

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Wicomico County

Some Restrictions

Unincorporated Wicomico County residents may keep poultry for personal use as long as any structural enclosure stays…

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Dog Leash Laws

When and where dogs must be on a leash, off-leash park rules, leash length limits, and penalties for dogs running loose.

Annapolis

Some Restrictions

Annapolis has no separate leash ordinance. City Code § 8.04.020 adopts Anne Arundel County's Animal Control Article 12…

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Anne Arundel County

Some Restrictions

Dogs and other domesticated animals may not be at large anywhere off their owner's property in Anne Arundel County…

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Baltimore County

Some Restrictions

Baltimore County Code § 12-3-110 flatly bars owners from letting any animal run at large. The code defines "at large"…

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Carroll County

Some Restrictions

Carroll County requires every dog to be under restraint or effective control at all times, caps outdoor tethering at 12…

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Cecil County

Some Restrictions

Cecil County requires every dog to be kept under restraint or effective control at all times, unless it is engaged in…

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Charles County

Some Restrictions

Charles County bars any animal, dogs included, from running at large: off the owner's property without a leash or…

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Frederick

Some Restrictions

Frederick requires dogs to stay on the owner's property or under immediate physical control by chain or leash. An…

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Gaithersburg

Some Restrictions

A dog off its owner's property in Gaithersburg must be on a leash and under a capable handler's effective control…

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Howard County

Some Restrictions

Howard County governs every resident, including unincorporated Columbia and Ellicott City. A domesticated animal must…

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Montgomery County

Some Restrictions

County law bans letting a dog run at large, meaning off the owner's property and off-leash, except in designated…

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Prince Georges County

Some Restrictions

Prince George's County Code § 3-135 bans letting any dog run at large off its owner's property, and § 3-135(h) caps…

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Rockville

Some Restrictions

A Rockville dog or other animal off its owner's property must be leashed or physically restrained. Sec. 3-21(1) makes…

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Wicomico County

Some Restrictions

In unincorporated Wicomico County, § 133-14 makes it unlawful to let any animal run at large, meaning unleashed on…

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Breed Restrictions

Bans or special requirements for specific dog breeds, including breed-specific legislation, muzzle requirements, and insurance mandates.

Anne Arundel County

Significant Restrictions

Anne Arundel County has no breed-specific ban. Animal Control designates individual dogs potentially dangerous…

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Baltimore County

Significant Restrictions

Baltimore County has no breed-specific ban. Instead, the Health Officer can declare any individual animal "dangerous"…

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Carroll County

Significant Restrictions

Carroll County has no breed ban; instead it lets the Animal Care and Control Authority declare any animal "vicious" or…

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Charles County

Significant Restrictions

Charles County does not single out any dog breed. Instead, Chapter 230 lets the Animal Matters Hearing Board declare an…

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Frederick

Significant Restrictions

Frederick enforces Frederick County's dangerous and potentially dangerous dog rules as its own law. A dog that injures…

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Gaithersburg

Significant Restrictions

Gaithersburg does not name or restrict any dog breed. Instead, City Code § 4-5 lets the city manager declare an…

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Montgomery County

Significant Restrictions

Montgomery County has no breed-specific ban. County Code § 5-202 declares an animal "dangerous" or "potentially…

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Prince Georges County

Significant Restrictions

Prince George's County Code § 3-146.01 makes anyone owning, keeping, or harboring a Pit Bull Terrier get an annual…

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Rockville

Significant Restrictions

Rockville doesn't restrict dog breeds: it regulates individual dogs through a Level 1/Level 2 potentially-dangerous…

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Wicomico County

Significant Restrictions

Wicomico County has no breed-specific ban; instead § 133-8 lets the county declare any dog 'dangerous' or 'potentially…

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Howard County

Some Restrictions

Howard County does not ban any dog breed. Maryland repealed its pit-bull-specific liability rule in 2014, and dog…

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Cecil County

Few Restrictions

Cecil County has no breed-specific dog ordinance. Section 142-12 of the County Code adopts Maryland's dangerous-dog…

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Exotic Pets

Which non-traditional pets are allowed or banned, such as reptiles, ferrets, potbelly pigs, and other exotic animals.

Maryland: statewide

StatewideHeavy Restrictions

Maryland Criminal Law Section 10-621 prohibits possession, sale, breeding, or transfer of specified dangerous wild…

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Anne Arundel County

Heavy Restrictions

Anne Arundel County prohibits keeping any wild, exotic, or vicious animal as a pet or for display, and separately makes…

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Carroll County

Heavy Restrictions

Carroll County bans private citizens from possessing or harboring a potentially dangerous or vicious wild animal…

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Cecil County

Heavy Restrictions

Cecil County Code § 142-37 makes it illegal for any private citizen to possess or harbor a dangerous or vicious wild…

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Charles County

Heavy Restrictions

Charles County adopts Maryland's statewide ban on keeping dangerous wild animals as pets: foxes, skunks, raccoons…

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Gaithersburg

Heavy Restrictions

Gaithersburg bans keeping wild and exotic animals as pets outright. City Code § 4-101 makes it unlawful to sell, keep…

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Montgomery County

Heavy Restrictions

Montgomery County bans importing, selling, breeding, or keeping any wild animal as a pet, with narrow exceptions for…

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Prince Georges County

Heavy Restrictions

Prince George's County bars residents from keeping most wild, exotic, poisonous, or native wildlife species as pets…

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Rockville

Heavy Restrictions

Rockville flatly bans keeping foxes, bears, non-domestic cats or dogs, primates, and specified venomous snakes as pets…

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Wicomico County

Heavy Restrictions

Unincorporated Wicomico County adopts Maryland's exotic-pet ban directly into its own code. Section 133-6.A makes it…

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Baltimore County

Some Restrictions

Baltimore County Code 12-7-101 bars keeping a wild animal on your premises for any purpose without the Health Officer's…

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Howard County

Some Restrictions

Wild or exotic animals may not be kept as pets in Howard County, and Maryland law separately bans possessing dangerous…

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Wildlife Feeding

Rules about feeding wild animals like deer, coyotes, or feral cats, and requirements for securing trash to prevent wildlife encounters.

Pet Limits

Maximum number of cats, dogs, or other companion animals allowed per household, including counts that trigger kennel-license requirements.

Cat Rules

Rules specific to cats, outdoor roaming, feral cat colonies, leash laws (yes, some cities require them), and licensing requirements.

Anne Arundel County

Some Restrictions

Anne Arundel County bans owned cats from roaming at large but exempts eartipped community cats, and lets registered…

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Baltimore County

Some Restrictions

Baltimore County requires cats over four months to be licensed and vaccinated against rabies (12-5-102). Cats count…

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Charles County

Some Restrictions

Every cat four months or older in Charles County must carry a current county license, proof of rabies vaccination and a…

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Harford County

Some Restrictions

Harford County requires anyone who keeps a cat outside or in an unheated enclosure to provide a moisture-proof shelter…

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Howard County

Some Restrictions

Howard County requires cats, like dogs, to be licensed annually and kept currently vaccinated against rabies from four…

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Montgomery County

Some Restrictions

The County requires cat licenses on the same terms as dogs, but exempts altered (spayed/neutered) cats from the general…

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Wicomico County

Some Restrictions

Unincorporated Wicomico County regulates cats mainly through its trap-neuter-return and nuisance provisions rather than…

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Carroll County

Light Restrictions

Carroll County exempts cats from the leash/restraint and licensing rules that bind dogs, but its code still defines a…

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Cecil County

Light Restrictions

Cecil County exempts cats from the leash and restraint law that governs dogs: §142-20 requires owners to prevent "any…

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Prince Georges County

Light Restrictions

Prince George's County Code § 3-122(h) protects free-roaming, ear-tipped cats from being impounded just for being…

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Rockville

Light Restrictions

Rockville lets residents run feral cat trap-neuter-return colonies without becoming the cats' legal 'owner'. Sec. 3-28…

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Microchipping

Mandates that dogs and cats be microchipped before leaving a shelter or by a certain age, including registration and tag requirements.

Anne Arundel County

Some Restrictions

Anne Arundel County's Department of Animal Services must microchip an impounded animal at the owner's expense before…

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Charles County

Some Restrictions

Once the Animal Matters Hearing Board designates an animal dangerous, vicious or potentially dangerous, it can order…

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Montgomery County

Some Restrictions

Montgomery County requires microchips only for dangerous or potentially dangerous animals, impounded strays, and…

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Prince Georges County

Some Restrictions

Under Prince George's County Code § 3-128(c), any impounded animal that isn't already microchipped must be chipped, at…

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Rockville

Some Restrictions

Dogs, cats and ferrets over four months must wear a Rockville license tag and collar whenever off the owner's premises…

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Wicomico County

Some Restrictions

Unincorporated Wicomico County does not require every pet to be microchipped, but it mandates microchipping for animals…

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Carroll County

Light Restrictions

Carroll County doesn't require microchips for every pet, but once the Animal Care and Control Authority declares an…

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Cecil County

Light Restrictions

Cecil County does not require microchips for pets in general, but once the Animal Care and Control Authority declares a…

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Howard County

Light Restrictions

Howard County still requires every licensed dog and cat to wear its license tag, but Section 17.301 exempts an animal…

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Baltimore County

Few Restrictions

Baltimore County does not require microchipping, but the Animal Services Division may implant a chip free of charge…

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Pet Groomer Rules

Health and safety standards for commercial pet grooming, including animal-handling certifications, sanitation, and zoning where mobile groomers may operate.

Veterinary Clinic Zoning

Where veterinary clinics, animal hospitals, and emergency animal-care facilities may be located, including overnight-boarding and noise buffers.

Wicomico County

Heavy Restrictions

In unincorporated Wicomico County, veterinary hospitals, animal grooming, kennels and stables are listed as prohibited…

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Annapolis

Significant Restrictions

Annapolis zoning permits animal hospitals and veterinarian offices outright only in the BCE Business Corridor…

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Baltimore County

Significant Restrictions

Baltimore County Zoning Regulations Section 421.3 lets a veterinarian's office or veterinarium locate in a residential…

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Harford County

Significant Restrictions

In unincorporated Harford County, veterinary clinics, hospitals, and large-animal veterinary practices are allowed as a…

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Anne Arundel County

Some Restrictions

Animal hospitals and veterinary clinics need special exception approval in Anne Arundel County, with animal housing…

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Carroll County

Some Restrictions

Carroll County's zoning use tables let veterinary facilities operate by-right in the Agricultural District and only by…

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Charles County

Some Restrictions

Charles County's zoning ordinance treats veterinary hospitals as a use permitted with conditions in most commercial and…

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Montgomery County

Some Restrictions

Montgomery County's Zoning Ordinance treats a Veterinary Office/Hospital as its own land-use category, separate from…

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Prince Georges County

Some Restrictions

Prince George's County treats veterinary hospitals and clinics as an Animal Care Use under the Zoning Ordinance…

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Rockville

Some Restrictions

Rockville requires veterinary clinics to operate indoors, with any outdoor runs fenced and set back 100 feet from lot…

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Washington County

Some Restrictions

Washington County's Zoning Ordinance allows animal hospitals, veterinary clinics, and kennels without outside runways…

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