Ureteropelvic junction (UPJ) obstruction in ureteral duplication is not uncommon. Ureteropyelostomy is a safe, easy surgical option when the adequate length of the distal ureter is not available for pyeloplasty. In this paper, we present the case of a 26-year-old male who was treated with laparoscopic ureteropyelostomy for a symptomatic lower moiety UPJ obstruction.