State of California. If you’re at least 18 years old and have at least four years of journey-level work experience over the past 10 years, congratulations–you’re well on your way to getting your very own contractor license. Recent Examples on the Web. Adamo is the largest contractor in Detroit’s demolition program and has received more than $40 million since 2014 in federal Hardest Hit Fund money, the Free Press reported in June. — Katrease Stafford, Detroit Free Press, “Concerns raised about contractors sitting on Detroit wrecking board,” 9 July 2018 That’s probably not the main point, according to Al Pupo .