Currently, there are
states where owning a marmoset monkey is legal with the proper permits and licenses.
These states include Alabama, Arizona, Delaware, Florida, Indiana, Kansas, Louisiana, Maine, Michigan (with restrictions), Missouri (with restrictions), Nebraska (with restrictions), Nevada (with restrictions), New Hampshire, North Carolina (with restrictions), Oklahoma (with restrictions), Pennsylvania (with restrictions), South Carolina (with restrictions), Tennessee (with restrictions), Texas (with restrictions), and Wisconsin.
On the other hand, there are states where owning a marmoset monkey is completely prohibited. These states include California, Colorado, Connecticut, Georgia, Hawaii, Idaho Illinois Kentucky Maryland Massachusetts Minnesota Montana New Jersey New Mexico New York Oregon Rhode Island Utah Vermont Virginia Washington West Virginia Wyoming.
It's crucial to emphasize that these laws can change over time and it's always recommended to consult with local authorities or exotic animal organizations before considering obtaining a marmoset monkey as a pet. Additionally, even in states where ownership is legal or allowed with certain limitations or permits in place; it's important for potential owners to understand the responsibilities and requirements associated with caring for these animals in order to ensure their well-being and compliance with regulations.