He joined Esteghlal in July ۲۰۱۱ where he won the Hazfi Cup in the first season. He extended his contract for another season on ۱۸ June ۲۰۱۲. On ۱۲ April ۲۰۱۳, Rahmati goes to a recorded twenty four clean sheets, equated with Iker Casillas. He also helped his team to win league title after four years. At the end of the season, he extended his contract with his favorite club Esteghlal.