Contact Us If you are a resident of Detroit, MI and you are in need of a plumber, drain cleaning, or plumbing repair, look no further than Expert Master Plumbers LLC. Have us provide you with the plumbing you deserve. Business Address: 15022 Grand River Ave Detroit, MI 48227 Call Now ! (313) 623-4271 Business Hours Mon-Fri 9:00am - 5:00pm Find Us On: Your Name (required) Your Email (required) Subject Your Message Please leave this field empty.