Keeping Farm Animals as Pets in Wyoming: Laws, Zoning, and Permits Explained

Wyoming is one of the most agriculturally rooted states in the country, and that heritage shapes how the law treats farm animals — even when you want to keep them as pets rather than for commercial production. Chickens, goats, pigs, and horses are woven into the everyday landscape here, but the rules governing them vary dramatically depending on where you live.

Whether you are on a rural acreage outside Casper, a residential lot in Cheyenne, or a small-town property in Riverton, the legal framework for keeping farm animals as pets in Wyoming is built almost entirely at the local level. State law sets the foundation, but your city or county ordinance determines what is actually permitted on your property.

This guide walks you through every layer of that framework — from which animals Wyoming law classifies as livestock, to zoning requirements, lot size limits, permit rules, housing setbacks, and the right-to-farm protections that may shield your operation from nuisance complaints.

Important Note: This article is for general informational purposes only and does not constitute legal advice. Ordinances change frequently. Always verify current rules with your local zoning office, county planning department, or municipal code enforcement before acquiring animals or building enclosures.

Which Farm Animals Can You Keep as Pets in Wyoming

Before you research zoning or permits, you need to understand how Wyoming law categorizes the animals you want to keep. Under Wyoming statute, “livestock” means horses, mules and asses, rabbits, llamas, cattle, swine, sheep, goats, poultry, or other animals generally used for food or in the production of food or fiber, working animals, and guard animals actively engaged in the protection or management of livestock. This definition is important because livestock and household pets are treated as two distinct legal categories in the state.

Wyoming defines a “household pet” as any privately owned dog, cat, rabbit, guinea pig, hamster, mouse, gerbil, ferret, bird, fish, reptile, amphibian, invertebrate, or any other species of domesticated animal sold, transferred, or retained for the purpose of being kept as a pet in or near a house. Critically, the definition of “household pet” does not include any livestock. That means the animal cruelty statutes and pet-care protections that apply to dogs and cats do not automatically extend to your goats or chickens in the same way.

For practical purposes, the farm animals most commonly kept as pets in Wyoming include:

• Poultry — chickens, ducks, turkeys, and geese are among the most popular and are regulated by the Wyoming Livestock Board
• Goats — especially miniature breeds like Nigerian Dwarfs, kept for companionship or small-scale milk production
• Pigs — domestic pigs and pot-bellied pigs are permitted; wild pig species are prohibited, but domestic pigs and pot-bellied pigs are allowed, with the Wyoming Livestock Board regulating domestic livestock and poultry
• Horses and miniature horses — common on rural and semi-rural properties, subject to acreage requirements
• Sheep and llamas — permitted in agricultural and rural zones, less common in residential settings
• Cattle — generally restricted to agricultural-zoned properties with sufficient acreage

All wildlife in Wyoming is considered property of the state, and there is no private ownership of live animals classified as big or trophy game animals. This means you cannot keep native wild animals — elk, bison, deer, or antelope — as pets regardless of your property size. If you are interested in the broader range of animals that live in the state, the dangerous animals in Wyoming guide provides useful context on native species and their legal status.

You can also explore our broader overview of farm animals to compare species before deciding which animals are the right fit for your property and lifestyle.

Zoning and Property Requirements in Wyoming

Zoning is the single most consequential factor in determining whether you can legally keep farm animals as pets in Wyoming. Zoning is the most important factor in determining whether you can legally keep farm animals in Wyoming, and your property’s zoning classification — agricultural, rural residential, suburban residential, or urban — will largely dictate what animals you are permitted to keep and under what conditions.

There is no statewide ban on backyard chickens in Wyoming. The Wyoming Livestock Board (WLSB) regulates poultry health and disease control, but the authority to allow or restrict flocks is left to individual cities and counties. The same principle applies across most farm animal species — the state sets health and import standards, while local governments control what you can keep on your land.

The general zoning tiers and what they typically allow look like this:

Zoning Classification	Typical Farm Animal Permission	Common Restrictions
Agricultural (A-1, AG)	Broad permission; most species allowed	Nuisance and sanitation rules apply
Rural Residential (RR)	Permitted with acreage minimums	Number limits, setback rules
Suburban Residential (R-1, R-2)	Small flocks of poultry; goats sometimes allowed	Permit required; roosters often banned
Urban Residential	Limited or prohibited; chickens only in some cities	Strict number caps, no large livestock

Most county land in Wyoming is zoned for agricultural freedom. If you live in an unincorporated rural area, you are likely operating under a far more permissive framework than someone in a city subdivision. That said, you still need to confirm your specific parcel’s zoning designation with your county planning office before acquiring animals.

Pro Tip: Your county assessor’s website or county GIS map tool is usually the fastest way to look up your parcel’s zoning classification. Search for your address and look for the zoning code or land use designation on your property record.

Lot Size and Number Limits for Farm Animals in Wyoming

Wyoming does not set statewide lot size minimums or animal count limits for farm animal ownership. Those rules are entirely local. What you encounter will depend on whether you are inside city limits, in an unincorporated county area, or in a municipality with its own specific animal ordinance.

In major cities, number limits for poultry are common. Cheyenne and Casper typically allow up to 6 hens. Laramie allows up to 12 birds total (including fowl and rabbits), with roosters permitted under nuisance rules and no permit required, but animals must be confined with setbacks per the zoning district. Riverton allows up to 12 chickens with roosters banned and a 15-foot property line setback that can be waived by neighbors.

Gillette in Campbell County allows up to 5 hens, bans roosters, requires a permit or license, and mandates coops with setbacks such as 6 feet from property lines in some zones. Green River in Sweetwater County allows up to 6 hens, bans roosters, requires a permit, and enforces a 25-foot setback from neighboring residences.

For larger livestock like goats, horses, and cattle, lot size thresholds become more significant. Most Wyoming municipalities prohibit large livestock on standard residential lots. Agricultural and rural residential zones generally require a minimum of one to five acres for horses or cattle, though the specific acreage threshold varies by jurisdiction. Rural and unincorporated areas of counties like Natrona or Laramie County often have no specific numeric limits for residents with adequate acreage.

If you are thinking about the practical side of managing multiple animals on a small property, our guide on starting a backyard poultry farming business covers space planning and flock management in useful detail.

Permit and Registration Requirements in Wyoming

Wyoming does not operate a statewide farm animal permit system for residential keepers. No statewide backyard permit exists; some cities require local animal permits, zoning approvals, neighbor consent, or building permits for coops. The permit landscape is therefore a patchwork of local requirements you need to research individually.

Here is how permit requirements break down across some of Wyoming’s key cities:

• Cheyenne: Cheyenne does not require a specific poultry license but may require neighbor consent or building permits for large coops.
• Evanston: Some cities like Evanston require a formal permit for keeping backyard chickens.
• Gillette: A permit or license is required before keeping hens within city limits.
• Green River: A permit is required along with a covered enclosure and setback compliance.
• Rock Springs: Rock Springs legalized backyard chickens in 2025, making it one of Wyoming’s more recent additions to cities allowing residential flocks, and requires both a permit and a covered enclosure.
• Rural counties: Rural counties often have no permit requirements for small flocks, but nuisance and sanitation rules still apply.

Beyond poultry, if you plan to keep goats, pigs, or other livestock, you may also need to comply with Wyoming Livestock Board health requirements when importing animals from out of state. The Wyoming Livestock Board regulates domestic livestock and poultry at the state level, including health certifications and import permits for animals crossing state lines. Contact the WLSB’s Animal Health Unit before purchasing animals from out-of-state sellers.

Wyoming also operates a psittacine bird leg band program for certain parrot species. Each applicant for a Wyoming psittacine bird leg band is issued a bird leg band number by the director after paying the required application fee, and each holder of a bird leg band number must pay an annual renewal fee on or before October 1 of each year. This is worth noting if you keep exotic birds alongside farm animals.

If you are interested in beekeeping as part of your small farm setup, Wyoming has its own rules for that as well — see our detailed breakdown of beekeeping laws in Wyoming for permit and hive placement requirements.

Housing, Setback, and Sanitation Rules in Wyoming

Even where farm animals are permitted, how you house them matters as much as whether you can keep them at all. Wyoming municipalities and counties routinely enforce setback distances, enclosure standards, and sanitation requirements that apply to all animal-keeping situations.

Wyoming ordinances may require your chicken coop to meet specific setback requirements, dictating how far your coop must be from property lines, neighboring houses, or other structures. Rock Springs, for example, requires setbacks as far as 25 feet in some zones. Green River enforces a similar 25-foot setback from neighboring residences, while Gillette uses a 6-foot minimum from property lines in certain zones.

Sanitation standards are enforced through general nuisance and public health codes. Nuisance, sanitation, and noise rules apply statewide. Practically, this means animal enclosures must be kept clean, waste must be managed to prevent odor and pest attraction, and feed must be stored in a way that does not draw rodents or wildlife. In Jackson (Teton County), the Town Council has been drafting updates, and strict bear-proof feed storage is required if animals are allowed — a reflection of Wyoming’s unique wildlife pressures.

Beyond legal minimums, Wyoming’s climate demands thoughtful coop and enclosure design. With Wyoming’s cold winters, high altitude, and common predators such as coyotes, foxes, and hawks, secure, insulated, and predator-proof enclosures are essential.

For larger livestock, shelter requirements typically include:

1. Adequate shade and wind protection — required year-round given Wyoming’s extreme temperature swings
2. Fencing that contains animals to your property — animals running at large can trigger public nuisance declarations and fines under Wyoming Statute § 11-31-301
3. Manure management — piles must not create runoff or odor nuisances; many counties require composting or removal schedules
4. Access to clean water — failure to provide adequate water constitutes animal cruelty under Wyoming’s anti-cruelty statutes

Pro Tip: Wyoming winters are harsh. Even if your local ordinance only requires a “covered enclosure,” invest in insulated walls, a draft-free but ventilated interior, and hardware cloth rather than standard chicken wire. Your animals’ health will reflect the difference, especially at high-altitude locations common across the state.

Wyoming’s wildlife also creates housing challenges you will not encounter in most other states. Predator pressure is a serious concern unique to Wyoming’s landscape. Wyoming flocks face predators such as coyotes, foxes, raccoons, hawks, bobcats, mountain lions, and neighborhood dogs. Secure coops and covered runs are essential. Use hardware cloth, bury fencing at least 12 inches deep, lock coops at night, and cover runs to deter hawks.

County and City Ordinances That May Override State Rules in Wyoming

One of the most important things to understand about keeping farm animals as pets in Wyoming is that local ordinances carry the real legal weight. Wyoming gives you more freedom than most states when it comes to keeping animals, but that freedom comes with a catch — regulation is not governed by one uniform statewide statute but instead by a combination of city and county ordinances. What is permitted in one jurisdiction may be outright banned in the next town over.

Some examples of how dramatically local rules can differ:

• Some Wyoming municipalities have taken a direct approach by banning roosters outright in residential areas. The Town of Guernsey, for example, limits chickens on residential premises and explicitly prohibits roosters.
• Roosters are banned in the residential zones of Cheyenne and Casper due to noise ordinances. However, Laramie allows roosters as part of its 12-bird limit.
• Rural zones in Goshen County allow roosters and diverse fowl including ducks, turkeys, and geese.
• In unincorporated county zones, there are often no strict limits, and roosters are a common sight on rural lots.

HOA rules add another layer entirely. If your property is subject to a homeowners association or carries deed restrictions, those private rules operate entirely independently of city and county ordinances — and they can be stricter than anything your local government imposes. Homeowners associations can restrict or ban chickens even where city or county ordinances allow them.

Wyoming takes a light-touch approach to common-interest communities. There is no HOA-specific act; most associations run as nonprofit corporations under Title 17, while condominiums have a short, deeds-and-plats-focused chapter in Title 34. HOAs are governed largely by the Wyoming Nonprofit Corporation Act and each community’s recorded CC&Rs and bylaws. This means your HOA’s CC&Rs are the governing document for animal-keeping rules in your community, and the state offers very little in the way of overriding those restrictions.

Before building a coop or acquiring animals, verify by checking your city or county website, contacting the zoning office, and reviewing HOA covenants. Also check with your county’s local municipal code — most Wyoming cities publish their animal ordinances through Municode or their official city website.

For context on how Wyoming’s approach compares to broader animal ownership questions, our guide on the worst animals to keep as pets discusses species that create legal and practical problems for owners across the country.

Right-to-Farm Laws and How They Apply to Pet Farm Animals in Wyoming

Wyoming’s right-to-farm statute is one of the strongest legal tools available to people who keep farm animals — but it comes with significant limitations when applied to purely personal pet-keeping situations.

This chapter is known and may be cited as the “Wyoming Right to Farm and Ranch Act.” Wyoming’s right-to-farm law has been on the books since 1991. In 2015, the legislature retrospectively declared the purpose of the law as forever guaranteeing the right to farm and ranch in the state.

To protect agriculture as a vital part of the economy of Wyoming, the rights of farmers and ranchers to engage in farm or ranch operations are forever guaranteed in this state. In practice, Wyoming’s Right to Farm and Ranch Act provides no explicit protection for family ranches, farms, or land. Like those present in the other forty-nine states, the law centers on protecting certain types of operations from nuisance suits when they impact neighboring property — for example through noise or pollution — by protecting commercial farm and ranch operations from public and private nuisance claims.

The Act’s definition of what qualifies for protection is important here. Under the Act, “farm and ranch” means the land, buildings, livestock, and machinery used in the commercial production and sale of farm and ranch products. A “farm or ranch operation” includes the production of plants and animals useful to man, including horticulture, floriculture, viticulture, silviculture, dairy, livestock, poultry, bee, and any and all forms of farm and ranch products.

The word “commercial” matters. If you keep three chickens and two goats purely as companion animals with no sales of eggs, meat, or fiber, your operation may not qualify for right-to-farm protections because it does not meet the commercial production threshold. However, if you sell eggs at a farmers market, participate in small-scale dairy production, or operate a working homestead, the Act’s protections become more relevant.

Two conditions must be met for right-to-farm protection to apply:

1. The operation must conform to generally accepted agricultural management practices.
2. The operation must have existed before any change in the land use adjacent to the farm or ranch occurred, and prior to that change the farm or ranch must not have been a nuisance.

On the county level, there is an important structural protection. Wyoming’s county code was amended in 2008 to explicitly reference the Right to Farm law. It now stipulates that counties cannot “impair or modify any rights afforded to farm or ranch operations” under the state’s Right to Farm law. This means county governments cannot pass ordinances that effectively strip away the protections the state law provides to qualifying operations.

If a neighbor files a nuisance complaint about your animals, the right-to-farm law may shield you — but only if your operation qualifies as commercial and meets the “generally accepted management practices” standard. For purely personal pet-keeping, your best protection is proactive compliance: proper housing, sanitation, and good neighbor relations go further than any statute.

Key Insight: If you want right-to-farm protections to apply to your animals, consider formalizing your operation in some small way — selling eggs locally, registering as a small farm, or documenting your agricultural practices. This creates a clearer legal record that your operation qualifies for statutory protection under Wyoming’s Right to Farm and Ranch Act.

Wyoming’s agricultural identity also shapes how its endangered and native species interact with farm operations. Our guides on endangered animals in Wyoming and venomous animals in Wyoming are worth reading if your property borders natural habitat, since farm animals can attract predators and some native species are federally protected.

For anyone relocating to Wyoming with animals already in tow, our overview of keeping your pets safe when flying them to a new home covers transport considerations, and the Wyoming Livestock Board’s Animal Health Unit should be your first call regarding import health certificates for any livestock crossing state lines.

Keeping farm animals as pets in Wyoming is genuinely achievable — the state’s agricultural culture means these animals are broadly accepted and the regulatory environment outside city limits is relatively permissive. The key is doing your homework at the local level before you invest in animals, enclosures, or infrastructure. Your zoning classification, your city or county ordinance, and your HOA covenants together determine what is actually legal on your specific property — and those three sources can tell very different stories.