Yes if they work for a licensed Master plumber in NYS
No, each state has their own codes for qualification as a licensed plumber. If they are license in both NJ and NY, yes.
In order to become a licensed master plumber in New York, you need to pass an exam and pay a fee. Plumbers operating in Nassau County, are licensed by the city in which they operate.
New York City has not become a state yet; it's still a city.
new york became a state in July 26,1788
The state of New York.
A person at 21 is an adult and doesn't need a guardian.
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New York
New York became a state on July 26, 1788.
1974
because it was