4.8 
226 *The Angi rating for Window Cleaning companies in Frederick, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Cleaning needs.
*The HomeAdvisor rating for Window Cleaning companies in Frederick, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Cleaning needs.
Last update on May 20, 2026
Serving Frederick, CO and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Very professional. Best job of window cleaning we have had in Estes Park"
Serving Frederick, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Small jobs welcome
"Outstanding window cleaning! Jose arrived promptly and worked extremely efficiently. Have business now card and will be repeat customer."
+68
Serving Frederick, CO and surrounding areas
Approved
In business since 2013
Free estimates
Warranties offered
"Excellent experience from start to finish! The team was professional, friendly, and arrived on time. They did an amazing job cleaning our windows—they're absolutely sparkling, and I didn't realize how much brighter the house would look afterward. They were careful, efficient, and left everything clean when they finished. I highly recommend this company to anyone looking for quality window cleaning and outstanding customer service. I'll definitely be using them again!"
+10
Serving Frederick, CO and surrounding areas
Approved
In business since 1999
Free estimates
Small jobs welcome
"They were prompt, professional and did a great job. My windows sparkle"
Serving Frederick, CO and surrounding areas
Approved
In business since 2023
Free estimates
Credit card accepted
"Affordable pricing and extremely good work. Our windows sparkle as if they were brand new, maybe even better. I will definitely hire Hazen and JHJ Window Cleaning again."
+6
Serving Frederick, CO and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"My window wells were cleaned, sealed and painted. They look amazing. The gentlemen who did the work were on time and very courteous!"
+28
Serving Frederick, CO and surrounding areas
Approved
In business since 2010
Free estimates
Customers say: True professional
"Tyler did a fantastic job on all of our windows! They look so much better than they ever have before! We would recommend him to anyone who would like crystal clear windows!"
+13
Serving Frederick, CO and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Joe was timely & efficient. My windows & screens looked beautiful when he was done. He was very meticulous & even cleaned the window tracks."
Serving Frederick, CO and surrounding areas
Approved
In business since 2012
Free estimates
Credit card accepted
"Very affordable, dependable, and pleasant to deal with. I will be scheduling a window cleaning as well."
Serving Frederick, CO and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
"Matt, Zach & Finn did an OUTSTANDING JOB cleaning the windows!!!! They look awesome. The crew went above and beyond to make sure was completely satisfied. Would highly recommend them."
+1
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