California entrepreneur started toilet business with one truck; made $4.3m

 Daniel Tom, 31, started Bay Area Sanitation in California in 2023 with one truck and 100 portable toilets. The business became profitable within its first year and generated $4.3 million in 2025. It now operates nearly 2,000 toilets and 12 trucks, with Tom focusing on long-term rentals, regular cleaning and reinvesting profits to expand the company further. Daniel Tom, 31, started Bay Area Sanitation in California in 2023 with one truck and 100 portable toilets. The business became profitable within its first year and generated $4.3 million in 2025. It now operates nearly 2,000 toilets and 12 trucks, with Tom focusing on long-term rentals, regular cleaning and reinvesting profits to expand the company further.