A method for producing roasted coffee beans includes a roasting step of supplying heat to coffee beans and thus roasting the coffee beans, a measuring step of measuring an amount of carbon monoxide generated from the coffee beans during roasting, and a stopping step of stopping supply of heat to the coffee beans in the roasting step, based on a measurement result obtained at the time of measurement of the amount of carbon monoxide and a measurement result measured beforehand regarding coffee beans different from the coffee beans at least in one of type and lot.