We have a badminton club at Don Mills / 401, which is pretty close to your desired location and we are accepting new members. The place is at George S Henry Academy, 200 Graydon Hall Drive.
Cachet Badminton Club is at Woodbine and 16th Ave. Operates Friday nights at Lincoln Alexander P.S. Starts Friday Sept 13th. 6:30 to 10:30 PM me if you are interested
We have a recreational badminton group @ Unionville High School (Warden/Hwy 7) on Monday nights 6:00-8:00 starting from Sept 9, 2013. If you are interested, email me: jma562@hotmail.com