This paper presents results of the Archaeological Society’s excavation (2000–2013) of the structure known as ‘Petsas House’ in Mycenae’s settlement . The building complex, destroyed late in the LH IIIA2 period, was used for habitation, ceramic production and storage, and is one of the few examples, so far excavated, of multi-use space in a palatial settlement during this period of expansion and centralization . In particular, this paper examines the nature of the destruction of Petsas House, and its immediate aftermath, along with a presentation of the extensive ceramic evidence for dating...