Esmailabad Shur Qaleh-ye Pain () is a village in Arababad-e Afshar Rural District of the Central District in Chaharbagh County, Alborz province, Iran.
At the time of the 2006 National Census, the village's population was 263, in 66 households, when it was in Chahardangeh Rural District of Chaharbagh District in Savojbolagh County, Tehran province. The 2016 census measured the population of the village as 325 in 99 households, by which time the county had been separated from the province in the establishment of Alborz province.
In 2020, the district was separated from the county in establishing Chaharbagh County and renamed the Central District. Esmailabad Shur Qaleh-ye Pain was transferred to Arababad-e Afshar Rural District created in the district.