Valmiki Ramayana Sundara Kanda Sarga 54 Shloka 11

हरियूथपः chief of vanara troops, तथा in that way, इन्द्रजितः Indrajit's, वेश्म residence, ददाह set fire, ततः then, जम्बुमालेः Jambumali's, सुमालेश्च Sumali's, भवनम् building, ददाह burnt.

Thus Hanuman, the chief of the vanaras set fire to Indrajit's residence and then to Jambumali's and Sumali's building.