Rated 4.84 / 5 from 25 reviews
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Sonlight Window Cleaning We strive to provide an easy and seamless experience to all of our customers. We accomplish this by promoting a positive workplace environment for our team. Putting an emphasis on our workplace may seem out of the ordinary for a window cleaning company, but we believe that by putting extra effort into serving each other, our customers will reap the benefits.

This has resulted in a team that not only enjoys the work that they do but also takes pride in the quality of their work. It's one of the reasons why we always show up within a one-hour time frame and all of our customers are always treated with genuine care.
Business details
  • Year established: 2007
Services
Construction clean up
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Construction clean up, especially with glass, is a delicate endeavor. No doubt you've heard the horror stories; a cleaner spends days removing the post-construction gunk on your new windows only to systematically scratch every pane in the process. We take the time to check every pane before hand and use extreme caution in preventing any accidental scratches.
Residential
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Our Denver, CO residential window cleaning service offers one of the most competitive pricing model seen across all of Colorado. Serving over 2,000 clients' window washing needs across the Denver-metro area, our resident cleaning options will leave your window panes in tip-top shape.
Commercial
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Our commercial window cleaning services in the Denver, CO metro area offers a competitive pricing model that caters to the entire Denver-metro area.
Reviews (25)
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Sharyn P.
Jan 14, 2022
Windows are sparkling! The crew was personable and did an excellent job. We have used them several times and the quality is always there.
Brent Levy
Dec 27, 2021
Angel was absolutely wonderful. Really friendly, professional and did a great job. Highly recommend him.
Jessica Isaacson
Dec 25, 2021
We've used Sonlight a few times over the years for our 2-story-tall windows, and they've always been great. Angel was our washer today and he was fast, friendly, thorough, and the windows look amazing! He was also helpful and considerate about moving furniture, and didn't even need to bring a ladder inside, so we didn't worry about the walls and furniture getting banged up.
Lynn T.
Sep 02, 2021
Nick did a great job on all the windows in our townhome! A smooth experience and he went above and beyond to take care of all the glass/screens/sills. Great service with no stress or concerns!
Andy P.
Aug 03, 2021
I used Sonlight to clean the windows at a rental property and they did great. I used them to do the windows at my residence as well. I am out of their service area so got an extra $1 per window fee but it was still very competitive with other quotes I received. There was a small hiccup on cleaning the window tracks but they came back the next day and quickly fixed the situation. I will use them again going forward.
Carly Keaten
Jun 12, 2021
Unfortunately we never were able to see if this company does a good job cleaning windows because they canceled on us 3 times with no notice. I understand needing to reschedule but each time I had to call in and email multiple times for them to say they weren't coming and "had sent an email", however when I checked every inbox including spam etc there was no email. It was very unreliable and unprofessional.
Keith L.
Feb 27, 2021
Team did a great job on the windows. Had a slight scheduling problem but after calling the office, they got someone out as soon as they could and even offered a discount for the mixup. Love when business people understand the value of a happy/satisfied customer which clearly Sonlight does.
Mark M.
Nov 18, 2020
If you're looking for a reliable, professional window cleaning service, I highly recommend Sonlight. Kelly and his team have been taking care of my 4-story office building in downtown Boulder for 20 years. The work is always completed in the best manner with courtesy to tenants as well as the public on exterior sidewalks. Kelly looks beyond the windows to make sure that all aspects of the building and property are in good shape. He has become a true friend to me and the property.
Lauren Bergstrand
May 21, 2019
These guys were great. They responded quickly to our response for a quote, did a spectacular job, and even went out their way to do a little extra cleaning of our patio furniture at no charge. Their prices were very reasonable, we will definitely be using them again!
Max G.
Jul 26, 2018
See pretty much every other review on Yelp. The scheduling process was easy. The staff were polite and professional. The pricing structure was simple and straightforward. The cleaners did a great job. Highly recommended.
Roberta S.
Jun 26, 2018
Great company to work with. Crew was on time and very quick and efficient. Price is good too! Windows sparkle! Will definitely call them again. Robbie
Bill Luftig
May 25, 2018
Very easy and accommodating company to deal with-pleasant on the phone during the scheduling process. Pricing is fair and very competitive in comparison to other companies I looked at. The two man team came right on time and were extremely courteous and did a great job on the windows. This is my window cleaning company from this day forward.
John Frazee
May 25, 2017
The two Sonlight window washers arrived within 30 minutes of their scheduled arrival and set right to work. In a couple of hours they had unobtrusively cleaned all 53 of our windows inside and out, including screens and tracks. The quality of their work was, once again, outstanding. (We have used them multiple times over the years.) We recommend them without reservation!)
Trish Philbrook
May 24, 2017
A crew of three pleasant and professional young men showed up at the appointed time (called to confirm first) and proceeded to do an excellent job of cleaning 41 window panes. I am thoroughly pleased with the work they did and will definitely use them again for next seasons' cleaning. I would not hesitate to recommend them to anyone in need of their services.

From the date I came across them using Angie's List to the date of the appointment was less than a week---another fact I really liked. Thanks Sonlight Window Cleaning---you're the best! Trish P.
Matt W.
Aug 08, 2016
Top notch professional crew. The guys showed up on time and did a great job cleaning our dirty windows!
Katie Larsen
Jun 26, 2016
Sonlight was able to clean our windows right away to meet our fast approaching deadline. The scheduling process was easy. The team was professional and friendly and did a great job! They double checked their work to make sure it was done accurately too! I was even able to pay online by credit card. Loved how simple this was! We will definitely use them again!
Evelyn McHugh
Apr 14, 2016
My first time using Sonlight Window Cleaning on a recommendation from a friend. They did a really great job. I would highly recommend they wash your windows. They will do mine next time as well. Keep up the good job guys.
Kareen McIntosh
Apr 09, 2016
Extremely professional, funny, sweet crew. I had a delicate difficult chandelier and they helped me wash it piece-by-piece. My widows look great too. I'd recommend them in a heartbeat!
Joan Lucas
Apr 07, 2016
The guys arrived right on time -- and cleaned every window, windowsill, everything! It's the first time I've been able to see out of my windows in months! The young men who were working here were friendly, efficient and POLITE!
Katie Larsen
Mar 02, 2016
Sonlight was able to clean our windows right away to meet our fast approaching deadline. The scheduling process was easy. The team was professional and friendly and did a great job! They double checked their work to make sure it was done accurately too!
Alysa McManus
Mar 02, 2016
Didn't realize how dirty our windows were until Sonlight cleaned! We at Upstream Impact and CrossPurpose thank you!
Ward Vercouteren
Apr 02, 2015
Awesome Team, and very professional. They do their job diligently and I look forward to when Sonlight Window Cleaning comes to clean my windows. They are a great team and fun people. Thank you Sonlight Window Cleaning for alleviating my life through your expert services.
K. L.
Nov 05, 2014
Great job completed by the team at Sonlight today. The staff of 3 came out and cleaned all of my windows inside and out for a reasonable price. They were running early and even called me to ask if that was OK to come earlier.of course! Spotless work and quiet courteous workers.
Alison G.
Sep 12, 2014
Great experience with Sonlight! They did a fantastic job on our windows inside and out. They were able to squeeze us into their schedule and arrived during the hour they said they would. They got straight to work and our windows are so clean!
Santino S.
Jul 19, 2014
I am the owner of Sandoval's Window Cleaning Service. I was contacted a few months back by the owner of Sonlight Window Cleaning. I was informed that they were going to stay within a certain radius from their office and asked if I was interested in taking over some of their southern jobs. I was very surprised and impressed by their offer. Usually businesses are very competitive and are not willing to spend time helping other businesses. Sonlight showed tremendous class and has earned my respect as a fellow small business. Whenever I am booked up or cannot perform a job, Sonlight is the 1st option I send my overflow customers to. -Santino Sandoval