To address a dwindling supply of lumber in the region, Kaufman purchased a plot of land in Muskoka, operating sawmills in Rosseau Falls and Trout Creek to help meet demand.

[5]: 193  Although his decision to locate the mill outside of city was initially questioned by friends, the success of the business resulted in multiple expansions and allowed Kaufman to buy out his father-in-law.

[2] In 1897, Kaufman built a Victorian style home at 621 King Street West with an office window that allowed him to survey his rubber factory.

[2] He served as a member of commissions related to water and light, helping to electrify the city and establish a sewage disposal system.

[2] His estate was valued at $278,879, $50,000 of which was designated for distribution to charitable, religious or educational endeavours at the discretion of his wife and children, who acted as executors.