Freelancers in New York have extra protection when a client stiffs them. A firm demand letter that references those rights often gets the invoice paid fast.
Freelance-worker protections (the 'Freelance Isn't Free' framework, in effect in New York City and expanded statewide) give freelancers the right to a written contract and timely payment, and can expose a non-paying client to double damages plus attorney's fees. Confirm how the current rules apply to your job.
A demand letter stating the work, the invoice and due date, the amount, and a deadline to pay. Reference your contract and the freelance-payment protections. Attach the contract and invoice.
You can sue in small claims (up to $10,000 in NYC). Because double damages and fees may be available, the math often favors pursuing it.
Protections giving freelance workers a right to a written contract and timely payment, with penalties (including double damages and attorney's fees) for clients who don't pay. It started in New York City and has expanded statewide; confirm current coverage.
A written contract strengthens your position and may be required above a dollar threshold, but you can still pursue unpaid work without one.
Many clients pay once a firm letter cites the penalties. If not, small claims is next.