Oak Harbor is the largest community on Whidbey Island, offering family-friendly coastal living. A Clean Streak has been providing the best window cleaning in Oak Harbor, WA, since 2014. Our team of certified cleaning specialists and superior customer service have made us the leader in window cleaning companies for Oak Harbor residents. Our comprehensive Oak Harbor window cleaning services were designed to help you enjoy all the benefits of crystal-clear, sparkling windows without the risk of injury or serious time commitment that comes with trying to do them yourself.