To contact Mark Poloncarz on an Erie County governmental matter, please use:
Address: 95 Franklin Street, Buffalo, NY 14202
Phone: 716-858-8500

To contact the Mark Poloncarz for Erie County campaign, please use:
Mailing Address:  P.O. Box 87, Buffalo, NY 14201
2019 Campaign Headquarters:  3896 Union Road, Cheektowaga, NY
Phone: (716) 204-8006