Villa was built around the IInd century BC. It had several rooms, a Roman bath, an atrium, some warehouses and a criptoportico i.e. subterranean passage.
See:
- https://verbavolantmonumentamanent.com/2016/03/03/la-casa-del-criptoportico-di-vulci/
- Eugenio Moscetti: La casa del Criptoportico a Vulci, “AANSA” 2000, pp. 11-52