An extendable cleaning brush for use in cleaning hard to reach areas. The extendable cleaning brush includes an elongated handle having a first end and a second end. The elongated handle has a telescopic configuration such that it can be extended and shortened as desired. The first end includes a grip to be held by the user and one or more controls. The second end includes a housing having a rotating brush head thereon, wherein the brush head is driven by a motor disposed within the housing. A reservoir is further disposed within the housing and includes a dispensing mechanism for dispensing a cleaning solution onto the brush head. The one or more controls allow the user to actuate the motor and dispensing mechanism in a convenient manner.