4.7 
81 *The Angi rating for Window Cleaning companies in Demarest, NJ 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 Demarest, NJ 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 01, 2026
Serving Demarest, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"Thomas delivered a detailed and exemplary window cleaning experience. Eleven windows cleaned inside and out. Even the front and rear entry doors were also meticulously detailed. Highly recommended."
+9
Serving Demarest, NJ and surrounding areas
Approved
In business since 2022
Free estimates
Small jobs welcome
"Excellent, thorough window, screen & sill cleaning. On time, professional, tidy, will definitely use again. Highly recommend."
+2
Serving Demarest, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Offers commercial services
"Jefferson did superior work. He was also very professional . My windows have never been this clean. Susan Deisroth."
Serving Demarest, NJ and surrounding areas
Approved
In business since 2004
Free estimates
Offers commercial services
"Window and screen cleaning was okay; powerwashing the front and back decks was okay. Overall, price was higher for window/screen cleaning than for deck powerwashing, so it kinda balanced out. However, powerwashing results were not that great. I'll give them a 2nd chance."
+21
Serving Demarest, NJ and surrounding areas
Approved
In business since 1982
Free estimates
Credit card accepted
"Did a great job replaced a large picture window good price clean and professional."
Serving Demarest, NJ and surrounding areas
Approved
In business since 2019
Free estimates
Offers commercial services
"Arrived and finished the job as promised"
+39
Serving Demarest, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2000
Free estimates
Customers say: Quality work
"They were absolutely fantastic. Came on time, on the scheduled day, very polite and courteous and thoroughly understood what I wanted to be done. They did a great job and made everything look great. I highly recommend them for your cleaning jobs. You won't be sorry. They are simply the best."
Serving Demarest, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2018
Free estimates
Emergency services offered
"John did an excellent job cleaning my 2nd floor condo windows and sliders! They sparkle! John was on time, professional, and respectful. I would hire him again in a heartbeat. Thanks John !"
+10
Serving Demarest, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"Wonderfully! WPCS did an amazing job on my place. I hadn’t seen it this clean since before I had my kids it’s such a nice feeling having a clean house again. Definitely would recommend to a friend!"
+2
Serving Demarest, NJ and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
I am the owner and operator of G&N Clean Service LLC, a professional cleaning company focused on delivering reliable, high-quality commercial and residential cleaning services. I bring hands-on experience in daily operations, team management, and quality control, with a strong emphasis on punctuality, consistency, and professional work ethics. My goal is to build long-term partnerships by providing dependable service and maintaining clean, safe, and well-maintained spaces for every client
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