Understanding Licenses
Contractors in the state of California are licensed by the Contractors State Licensing Board (CSLB). A licensed contractor receives a unique license number by the CSLB. The number can help you determine how long a contractor has been been licensed.
Licenses starting with an 8 were issued in 2005.
Licenses starting with a 6 were issued in the 1990s.
Licenses starting with 1 or 2 were issued starting in 1968, the first year California required painting licenses.