The auction of the Dallas property will close on September 29, followed by a live auction in Hong Kong on September 30.Lakewood’s historic mansion Château des Grotteaux first hit the market in October 2025 for nearly $6 million. And now, via the international auction platform, the property can reach buyers across continents who may see potential in what local buyers have passed by. Those buyers exist, but they’re uncommon enough that eleven months on the market produced none.Concierge Auctions will hold a live auction in Hong Kong, hoping that overseas wealth may prove more receptive than the Dallas market.