Schmidt's Wholesale, Inc. Share: Plumbing Supply Schmidt's Wholesale, Inc. Visit Website Request Info 150 Jefferson Street Monticello, NY 12701 (845) 794-5900 (845) 794-6142 (fax) Facebook Hours: Mon thru Fri7:30am to 5:00pmSaturday8:00 am to 12:00 pm About Map About A family run wholesale distributor of plumbing, heating, electrical, pumps, water works, and HVAC supplies. What's Nearby? Distance: 5 10 15 20 25 50 mi.