The Al Arabiya news channel issued a picture of the diplomatic mission with a flag of Saudi Arabia being hoisted on its premises.
Reports suggest that the diplomatic mission will temporarily do its activities at a hotel in Mashhad before the resumption of operations at the consulate building.
Back in June, the Iranian embassy in Saudi Arabia reopened at an official ceremony after seven years of closure.
After days of intensive negotiations hosted by China, Iran and Saudi Arabia clinched a deal on March 10 to restore diplomatic relations and reopen embassies and missions within two months after seven years of estrangement.
The two regional heavyweights have underscored the need to respect each other’s national sovereignty and refrain from interfering in the internal affairs of one another.