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TRUSTED BY LONGMONT, CO HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon276
    Verified window cleaning services reviews

Verified Reviews for Window Cleaning pros in Longmont, CO

*The Angi rating for Window Cleaning companies in Longmont, 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 Longmont, 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

Find Window cleaners in Longmont

Avatar for Abluent Window Cleaning, LLC
Abluent Window Cleaning, LLC
4.3(
34
)

Serving Longmont, 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!"
Tyler on a ladder. Abluent, Ltd. window cleaning
Tyler cleaning windows for Abluent, Ltd.
Inside Mountain Home Window Cleaning, Great View!
Commercial Store Front Window Cleaning
Reflections on a cleaned window

+13

Response time1 day
Recommended by100%of homeowners
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Avatar for Spyglass Window Clean LLC
Spyglass Window Clean LLC
5.0(
5
)

Serving Longmont, CO and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Remember the days when you could trust a contractor to do an amazing job, You didn't need an estimate because you knew they would never rip you off. Their work and attitude were always exceptional. Well, the days of old are back with Spyglass. He is on time, first class, fabulous work and trustworthy. He does our window cleanering, gutters and special projects we need as elderly clients."
Front Entry
Side View
Side with patio and Garage
Response time5 hrs
Recommended by100%of homeowners
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Avatar for Shine of Boulder
Shine of Boulder
4.8(
17
)

Serving Longmont, 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."
Interior Window Cleaning
House Before
House Before
House Before
House After

+1

Response time1 day
Response rate99%
42 neighbors recently requested a quote
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Avatar for Summit View Window Cleaning
Summit View Window Cleaning
5.0(
7
)

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"I really appreciated the time they took to give me a fair estimate for my house windows. They got here on time for my scheduled appointment and got to work! I was really surprised at how dirty my windows were and amazed at how clean they look now. I am very happy with the quality and friendly service Phil and Seth provided. Can not wait for them to come back for my monthly appointments!"
Break Area Glass
Conference Glass
Break Area
Office Glass
Office Glass

+38

Response time1 day
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Avatar for Brightside Window Cleaning LLC
Brightside Window Cleaning LLC
5.0(
4
)

Serving Longmont, CO and surrounding areas

Approved

Free estimates

Offers commercial services

"Showed up right on time and got to work cleaning windows. Windows honestly look incredible after. Affordable fair price, very kind and easy to talk to staff, completely in a timely manner. Louie Owen did an outstanding job. Definitely going to call him again in the future."
Exterior Window Cleaning
Exterior Window Cleaning
Complete Window Cleaning
Complete Window Cleaning
Complete Window Cleaning

+6

14 neighbors recently requested a quote
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Window Cleaning questions, answered by experts

All of the things you use to help you get clean can leave your shower door looking dirty. Water can leave mineral deposits as well as unsightly spots when drops of water dry on the glass. Soap and shampoo can cause build-up and residue that leaves a layer of soap scum in your shower, which then attracts dirt. Mold and mildew can also contribute to dirty shower doors; these fast-growing organisms thrive in areas with poor air circulation, damp conditions, and residue from things like soap and shampoo.

A handy hair dryer will quickly remove condensation from your window, but it’s only a temporary fix. The hair dryer maneuver will not repair the root of the window fogging problem, which is likely a broken window seal. If you need to defog the window quickly, such as if guests are coming over, use the hair dryer. However, for a permanent solution, defogging the window or replacing it are the only options.

The type of cleaning requested will change the total price you pay. Be sure to specify the type of cleaning you need when hiring a new cleaning service. Different approaches to cleaning change the price, such as:

  • Standard cleaning: $75–$175 per visit

  • Deep cleaning: $200–$400 per visit

  • Move-out cleaning: Up to $500

  • Event cleaning: $100–$500

Soot can be harder to remove compared to other types of stains given its acidic nature. It can also cause underlying paint to peel off during the cleaning process. If your soot issue is a result of smoke damage, it’s recommended you call a pro to help remove it versus doing it yourself.

Professionals use pH-balanced solutions, fabric protectors, and safe steam cleaning technology for specific fabrics. These products are designed to break down dirt effectively without leaving residues.

The Longmont, CO homeowners’ guide to window cleaning services

From average costs to expert advice, get all the answers you need to get your job done.

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