Madden retired from politics in 1883 to concentrate on his successful legal practice, which flourished during the Victorian land boom of the 1880s. He was considered one of the leaders of the Victorian Bar at this time, to the extent that by 1890, he was involved in about thirty percent of all cases coming before the Supreme Court of Victoria. In 1887, he had a thirty-room mansion built for himself and his family in Chapel Street in St Kilda East.
Madden retired from politics in 1883 to focus on his thriving legal career, which was booming during the Victorian land boom of the 1880s. He was considered a prominent figure in the Victorian Bar by 1890, handling about thirty percent of all cases before the Supreme Court of Victoria. In 1887, he built a large mansion for himself and his family on Chapel Street in St Kilda East.