Contact Peterson Law, PLLC Schedule a 15 Minute Consultation here. Peterson Law – Business Law Attorney, Mercer Island Email: [email protected] Physical Address: 14205 SE 36th Street, Suite 100, Bellevue, WA 98006 Mailing Address: P.O. Box 1248, Mercer Island, WA 98040Hours: 24/7Customer Service: 206-586-2009