Can You Own a Python in Washington? What State and Federal Law Say

If you’re wondering whether you can own a python in Washington, the short answer is yes for most species, but the full picture involves three separate layers of law working at once. State statutes, federal wildlife rules, and city or county ordinances can each affect what you’re allowed to keep, transport, or breed.

Washington’s approach to exotic pets is different from states that publish a simple “approved species” list. Instead, the state tells you what’s prohibited and leaves everything else open, which means pythons fall into a legal gray zone that’s easy to misread. Below, you’ll find what state law actually says, how the federal Lacey Act changes the equation for certain species, and where local rules can override the state’s relatively permissive stance.

Important Note: This article summarizes public wildlife statutes and regulations for general informational purposes. It is not legal advice. Confirm current requirements with the Washington Department of Fish and Wildlife or a local attorney before acquiring any python.

Is It Legal to Own a Python in Washington

Washington’s exotic pet framework is built around what the law calls out as prohibited, rather than a list of species you’re cleared to own. As one legal analysis of the state’s rules puts it, Washington State’s laws around exotic pets and legal animals are “exclusionary,” meaning the law spells out what animals are not allowed, without specifying permissible animals, and animal ownership is governed primarily by RCW 16.30.010.

That distinction matters for python owners specifically. Washington’s dangerous wild animal law does not list large constrictor snakes like Burmese pythons, reticulated pythons, or anacondas, even though these species face regulation in other contexts at the federal level. Since pythons aren’t named as “potentially dangerous wild animals” under the statute, the default position is that keeping one as a pet is legal statewide.

This is a notably different outcome than what applies to venomous snakes. Washington takes a much harder line there: Washington state bans private ownership of venomous snakes under RCW 16.30. If you’re comparing python ownership to keeping venomous snakes in Washington, the two categories are regulated very differently under the same chapter of law.

Federal Law: The Lacey Act and “Injurious” Python Species

Even where state law stays quiet, federal law can still restrict what you do with certain pythons across state lines. The relevant tool is the Lacey Act, which lets the U.S. Fish and Wildlife Service designate species as “injurious wildlife” when they pose ecological risks. Since March 23, 2012, a federal ban on importation and interstate transport has covered Python molurus, which includes the Burmese python and Indian python, along with the Northern African python, Southern African python, and yellow anaconda.

That 2012 rule wasn’t the end of the story. An amended list, which became effective April 9, 2015, added further species to the injurious wildlife designation, expanding federal reach to additional large constrictors that had shown invasive potential in USGS ecological risk assessments.

It’s worth being precise about what “injurious” actually restricts, because the label causes real confusion among pet owners. Listing under the Lacey Act means importation and interstate transport are prohibited without a permit issued by the Service, and this prohibition covers live animals, their gametes, hybrids, and viable eggs. Critically, the Lacey Act does not have provisions for the transport of personal pets, and it does not restrict intrastate activity.

In practice, this means the federal listing is not a possession ban. Industry advocacy group USARK summarized the distinction clearly after the rule took effect: the rule is not a ban on owning the listed species, so current owners can keep their pets, acquire more of the same species, and even breed them, as long as all of that activity stays within their state. What you can’t do is bring a newly acquired specimen across a state line, ship offspring to an out-of-state buyer, or take your python with you if you relocate to another state.

Which Python Species Are Restricted or Banned in Washington

No python species is named outright in Washington’s dangerous wild animal statute, but that doesn’t mean every python carries the same legal weight. The practical distinction is between species affected by the federal injurious wildlife listing and those that face no special restriction at all.

The Burmese python (Python bivittatus) is the best-known example of a federally restricted species. It’s widely kept in Washington households as a pet, but any interstate movement of a live Burmese python is subject to the Lacey Act’s permit requirement. For background on this species’ size, care needs, and the invasive-species concerns that led to its federal listing, see this Burmese python profile.

Ball pythons (Python regius), by contrast, sit outside any restricted category. Ball pythons, corn snakes, king snakes, and many other species are not subject to the RCW 16.30 prohibition, and they’re also absent from the federal injurious wildlife list, making them one of the most straightforward pet snakes to own in the state.

Python Species	Washington State Status	Federal Lacey Act Status
Ball Python	No restrictions	Not listed as injurious
Burmese Python	Legal to possess	Injurious since March 2012
Reticulated Python	Legal to possess	Added to injurious list in 2015
Northern African Python	Legal to possess	Injurious since March 2012
Southern African Python	Legal to possess	Injurious since March 2012
Indian Python	Legal to possess	Injurious since March 2012

For contrast, it helps to know what Washington does ban outright at the state level. The state’s dangerous animal law prohibits ownership of species such as lions, tigers, cougars, cheetahs, and cobras and snakes such as mambas and coral snakes. Pythons aren’t grouped with that venomous and big-cat category, which is exactly why they remain legal to keep even though a species like the ones covered on this coral snake guide for Washington would not be.

Permit Requirements for Owning a Python in Washington

Because pythons aren’t classified as dangerous wild animals or deleterious exotic wildlife under Washington’s rules, there’s no dedicated possession permit you need to apply for simply to keep one in your home. The permitting requirements that do exist are tied to how the animal enters the state, not to the fact that you own it.

If you’re bringing a python into Washington from another state, import rules apply regardless of species. Wild and exotic animals entering Washington state must be accompanied by a certificate of veterinary inspection issued by an accredited veterinarian, and all wild and exotic animals must be accompanied by an entry permit. This paperwork requirement exists independently of whether the species is restricted, so it applies even to a python that’s otherwise completely legal to own.

Some regulated species may also need direct authorization from the Washington Department of Fish and Wildlife before they cross into the state. According to a detailed breakdown of the state’s exotic pet framework, certain regulated reptiles and birds not on the outright banned list may require WDFW authorization before possession, and import permits and possession permits are treated as separate processes. For a broader look at which exotic species clear this bar and which don’t, this guide to legal exotic pets in Washington walks through the full framework.

Pro Tip: If you’re acquiring a python from an out-of-state breeder, confirm the certificate of veterinary inspection and entry permit are arranged before the animal ships. Skipping this step can create problems even for species that face no ownership restriction once they’re in the state.

Size and Length Restrictions in Washington

Washington’s state-level statutes don’t set a length or weight threshold that triggers additional restrictions for pythons the way some states do for large constrictors. Because pythons fall outside the “potentially dangerous wild animal” category entirely, the size-based caps written into RCW 16.30 for other species simply don’t apply to them.

That said, size still matters practically, if not always legally. A python that outgrows its enclosure becomes harder to handle safely and more likely to escape, and escaped pythons create the kind of public safety concerns that can prompt local jurisdictions to act. Washington authorities have already dealt with loose pythons in public spaces; wildlife officials in one southern Washington city urged residents not to release unwanted pet snakes after several were discovered in a public park, since some larger pythons can grow big enough to constrict their owners.

If a specific city or county has passed its own exotic animal ordinance, that’s where you’re more likely to encounter a concrete length limit. Because state law is silent on size for this species, always check municipal code directly rather than assuming the state’s permissive stance extends to every locality.

Local Ordinances That May Apply in Washington

Washington’s dangerous wild animal statute deliberately leaves room for cities and counties to go further than the state does. State law sets a baseline prohibition but explicitly allows local governments to adopt an ordinance governing potentially dangerous wild animals that is more restrictive than the state chapter. That local authority extends in practice to species like pythons, even though the state itself doesn’t restrict them.

This creates a real gap between what’s legal on paper statewide and what’s enforceable where you actually live. Even if a state-level exemption theoretically applies to your situation, a local ordinance could still prohibit the activity within your jurisdiction. A python that’s perfectly legal to own under RCW 16.30 could still be off-limits inside a specific city if that city’s municipal code defines “exotic animal” more broadly or sets its own species list.

General advice repeated across guides to Washington’s exotic pet rules echoes the same point: while an animal might be legal under state law, local county and city laws may still prohibit it, so research is worth doing before you commit to a purchase. Washington’s broader wildlife-possession framework, which also governs situations like found or injured animals covered under the state’s roadkill laws, reflects the same layered structure: state rules set the floor, and local authorities can raise it.

Penalties for Illegally Owning a Python in Washington

Because pythons generally aren’t classified as prohibited wildlife under Washington’s dangerous animal or deleterious exotic wildlife rules, most python owners in the state won’t face state-level possession penalties at all. The exposure comes from three other directions: violating a local ordinance, violating federal interstate transport rules, or possessing wildlife that WDFW has separately classified as unlawful to hold.

On the wildlife-management side, Washington gives its enforcement agency broad seizure authority. The department of wildlife may seize any unlawfully possessed wildlife, and the cost of any seizure or holding of the animal may be charged to the possessor. That authority applies to any species the state has designated as unlawfully held, so it’s relevant if you’re keeping a python-adjacent species that does fall under a restricted category, or if local code reclassifies your animal as prohibited.

Federally, the risk sits with interstate movement rather than home possession. Moving a Burmese python, reticulated python, or another injurious-listed species across a state line without the required federal permit can trigger enforcement under the Lacey Act’s injurious wildlife provisions, since importation and interstate transportation of these species is prohibited except by permit for zoological, educational, medical, or scientific purposes, or by federal agencies for their own use. Breeders who ship python offspring out of state without accounting for this rule face the same exposure as anyone importing a live specimen from overseas.

Local penalties vary by jurisdiction and typically appear in municipal animal control code rather than state statute, which is one more reason to verify your specific city or county’s rules before assuming state-level permissiveness settles the question.

Taken together, Washington’s approach to python ownership rewards owners who check all three layers of law rather than relying on any single source. State statute gives most pythons a clear path to legal ownership, the Lacey Act adds transport restrictions for a handful of specifically listed species, and local ordinances can tighten things further depending on where you live. Confirming your city or county’s current code, along with any interstate transport plans, remains the most reliable way to keep your python ownership fully compliant.