This mausoleum is situated to the south west of the ‘Tekiyeh’ Pahneh in the southern bazaar of Semnan. Hazrat Yahya is the offspring of Hazrat Moosa Bin Ja’far. The same comprises of a huge dome, a porch with tile work and a large courtyard.
The dome is more than 600 years old, and has been repaired in the year 1969 and adorned with inlaid tiles. The dome is onion shaped, and is externally worked with blue tiles.