Mark's Cleaning Service (Redlands Window Cleaning) has been in business since 2008. We service both Residential and Commercial clients in all the IE and surrounding areas. We have many happy satisfied clients that we serve right here in Redlands. In dealing with Hard Water Stain Removal in the last 4 year we now have the advanced technology to remove any hard water deposits from your windows or your money back. With our 100% satisfaction guarantee, if you aren't happy you don't pay until you are 100% satisfied. Our 14 day rain guarantee ensures that if it rains and you want us to come back and clean your windows that were affected by the rain, you have our word we will redo them. We are confident that you will be so happy with our service that you will keep us around for life.