Massachusetts has a reputation for having some of the strictest exotic pet laws in the country, yet green iguanas are perfectly legal to keep here without a state permit. If you’re wondering whether you can own an iguana in Massachusetts, the short answer is yes, but the rules around how you acquire, house, and register one are more nuanced than a simple yes-or-no answer suggests.
This guide walks through what Massachusetts law actually says about iguana ownership, why the state treats them differently than places like Florida, and what could get an owner into legal trouble.
Is It Legal to Own an Iguana in Massachusetts
Yes. The common or green iguana, Iguana iguana, appears directly on Massachusetts’ exotic pets exemption list under 321 CMR 9.01. Common or Green Iguanas (Iguana i. iguana) can be kept without a permit under this section. That means you can legally possess, buy, sell, import, or propagate one without applying for a MassWildlife license.
What makes Massachusetts unusual is how it structures this list in the first place. Rather than publishing a catalog of banned animals, the state flips the approach entirely. As one legal breakdown of the regulation puts it, Massachusetts regulators take the position that its regulations are so restrictive that they publish only what you may possess, rather than what you may not. If a species doesn’t show up on the exemption list, you generally need a permit to keep it, and the iguana happens to have made the cut…