Justin Bieber has organised a charity gig in Canada to give back to an outreach centre his mother relied on when she was raising him alone.

The Sorry singer is hosting An Acoustic Evening with Justin Bieber at the Danforth Music Hall in Toronto on 7 December (15) and is selling tickets for $100, with proceeds going to the House of Blessing in his hometown of Stratford, Ontario.

Justin has had a long relationship with the outreach centre and food bank to thank them for helping his mum Pattie Mallette as she struggled to raise him on her own following her split from his father Jeremy when Justin was a baby and Pattie was a teenager.

"I think he realises how much his mother was helped. People struggle in his community and he wants to help out," said House of Blessing executive director Theresa McMurray. "It happened really quick. It sure makes your day when it does happen. We're thrilled. We love to work with Justin."

The gig was announced by the centre's bosses on Twitter.com and Justin retweeted the message and wrote, "Thank you for being there when we needed you... now it's my turn."

It is not the first time Justin has raised money for the centre. In February (15), he donated items from his childhood bedroom to an auction on eBay.com and made $64,000. He also featured the company in a 2011 Christmas special and donated $10,000.

Justin recently told Billboard magazine his relationship with his mum was "pretty non-existing" as they grew apart during his troubled years.

"I was distant because I was ashamed," Justin said. "I never wanted my mom to be disappointed in me and I knew she was. We spent some time not talking, so it takes time to rebuild that trust. She's living in Hawaii now, so it's hard, but getting better. She's an amazing woman and I love her."

He also clarified reports that Jeremy abandoned him as a child, saying, "He was immature... He left for like a year when I was about four, went to British Columbia, came back on Father's Day. I remember my mom said, 'If you're going to be here, you have to be here.' There's a misconception that he's this deadbeat dad, but he has been in my life since. I was with him on weekends and Wednesdays."