Our Guarantee

The Keystone Guarantee

We personally guarantee you will be 100% pleased with both the workmanship you receive and your entire service experience from Keystone Window Cleaning. We will do everything possible to meet your expectations, and if we fail, we promise that you will not pay a penny for the window cleaning services provided.

100% Pleased Guarantee

Our Core Values

What Customers Are Saying About Us

I chose to hire Keystone Window Cleaning for my home’s window cleaning because they were highly recommended. They did an excellent job. Definitely worth worth the money.


Residential Homeowner

I chose Keystone Window Cleaning because I was referred to them by one of their existing clients. I tell people how professional and how good they are!


Storefront Client

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