California entrepreneur turned one truck into $4.3m toilet business

Daniel Tom, 31, founded Bay Area Sanitation in California in 2023 with a single truck and 100 portable toilets. The company turned profitable within its first year and generated $4.3 million in 2025. It now operates nearly 2,000 toilets and 12 trucks. Tom credits long-term rentals, regular cleaning, and profit reinvestment for the rapid growth.