Harper Window Cleaning is operated by Jack Harper, a Colorado local who is currently working on his Commercial Pilots license.

We specialize in residential and commercial window cleaning in and around Longmont and Boulder. We are confident that we can clean your windows so that they look like new again!

We take great pride in our work and it’s important that every detail is taken care of. When it comes to window cleaning, we believe the best result comes from a process that respects the environment, cleans each window with care, and takes advantage of all of our years of experience. Our proven window cleaning process is standard on every job and guarantees you sparkling windows every time.

We're a local small business that uses only the best quality products and equipment to give you a professional shine!