Webthe contractors state license board (cslb) is a regulatory body that protects consumers and promotes the construction industry's health, safety, and general welfare. Webyou must register with cslb if you solicit, sell, negotiate or execute home improvement contracts for a licensed contractor (regardless of the dollar amount of those. Webbefore hiring a contractor or signing a contract, cslb recommends you read the hiring a contractor page. Enter the contractor license number to check the status of their license. Webif you’re a contractor, aspiring contractor, or someone looking to hire a…