I am sorry to hear about your situation.
You should contact an attorney to discuss your questions as additional information would be helpful. You could try sending him a letter stating you'll sue him if he doesn't remove it.
I wish you the best of luck.
Please remember that I do not normally monitor these questions after I have posted a reply.
Free phone consultation Monday — Thursday 1-5 pm.
Greenberg & Merola, LLP, Attorneys at Law
91 N. Franklin Street, Suite 211, Hempstead, NY 11550, (516) 887-1975
521 5th Ave. Ste. 1700, New York, NY 10175, (212) 593-6111
Additional Offices: Queens & Brooklyn
You can file a lawsuit to have the lien discharged.
You can also try filing a complaint with DCA. If he has a license, they will likely be able to help you get a quick resolution.
(PS - You should never pay a lienor for a mechanic's lien without simultaneously receiving a lien satisfaction so that you can avoid these types of situations)
The information provided herein is for informational purposes only and does not constitute legal advice. No attorney-client relationship is created by this answer. You should consult with a local attorney regarding your specific situation to obtain legal advice.