See what customers notice most clean glass, reliable service, and results worth sharing
"Excellent experience! Great pricing, quick same-day service, and the windows look fantastic. It’s always nice supporting a small business that takes pride in their work. Highly recommend!"
"Quick response to quite inquiry, great communication, great job cleaning windows, screens and gutters. Highly recommended!"
"I was very pleased with the work done on all my windows. I was also impressed by the gentlemen who approached me to describe their job and the friendly, professional communication all thru the work done. I wish them much luck, they deserve it."
"Job well done! With a smile even in this terrible heat!"
"Kyle and Calab did a great job on our windows. We will call them again. They came to our home quickly after I made the appt and Kyle did the bid virtually, what a great time saver for everyone! Thanks guys! Happy Trails ; )"
"Slate window cleaning did a great job on cleaning my two-story many window house. They are professional, courteous and easy to work with. I found it easy to book an appointment with them, they were punctual, polite, clean, they did a thorough job and they were very careful about my flower beds they were working around. Besides leaving clean windows behind you would not have known they were here. Their prices are fair and I will definitely be using them again"
"The job was well done. I like that they use ionized water that leaves no water spots. They did all of the exterior windows and the glass on the deck."
"The guys came on time and completed cleaning the windows on my house. They were efficient and very pleasant! I will definitely have them come back again!!!"
"Kyle did such a great job with our windows. He’s super nice, friendly and professional. Thank you and will definitely use his business again."
"Top shelf professional. Highly recommended"
"⭐⭐⭐⭐⭐ Absolute Lifesavers – Fast, Professional, and Affordable! If you are looking for top-tier window cleaning that won't break the bank, look no further than Slate Window Cleaning. Here is why I highly recommend them: Same-Day Service: I was blown away by their responsiveness. They managed to fit me into their schedule and completed the job the very same day I reached out. Fast & Professional: The crew arrived on time, worked efficiently, and was incredibly professional throughout. They didn't cut corners to save time; they just know how to get the job done right. Cost-Friendly: Their pricing is highly competitive and extremely fair. You get premium-quality results without the premium price tag. My windows are completely spotless and crystal clear. I will definitely be using Slate Window Cleaning again, and I highly recommend them to anyone looking for quick, reliable, and budget-friendly service!"
"Just had my outside windows cleaned by Slate Window Cleaning- Kyle did an amazing job! Quick, professional and affordable!! Thank you Slate Window Cleaning !"
"Very personable, polite, and diligent— excellent job, great to work with— will use again and recommend to others!"
"Very nice job with my windows. Good person as well."
"Great job and spotless results."
"Quality quick work. Easy to communicate with. On time. Down to earth nice guy"
"Kyle does an exceptional job!! He is incredibly professional, a hard worker, and is happy to do all tasks that are asked of him. I love that he uses a deionization tank, (which takes out all minerals and impurities out of water, with no chemicals!!) I will be hiring him again and again to clean our windows! If I could give him more than 5 stars, I would. ⭐️⭐️⭐️⭐️⭐️⭐️"
"Excellent job! Kyle was quick to respond to my inquiry and provided average market pricing (I had been shopping around). The day of the job, he came on-time, prepared and was very respectful of my property. We will hire Kyle again."
"Kyle did a great job with my windows. I highly recommend!"
"Always well done"
"Slate came in a did a great job on our windows. They did everything that we asked for at a great price. Would 10/10 recommend them to anyone looking to get their windows cleaned!"
"Absolutely amazing service! They showed up on time, were super friendly, and did an incredible job — our windows have never looked this clean. You can really tell they take pride in their work. Great attention to detail, fair pricing, and the whole experience was easy from start to finish. Highly recommend them to anyone looking for professional, reliable window cleaning!"
"Stellar service! Highly recommend. I’ve been using Kyle for several seasons to clean windows and gutters and I couldn’t be happier! He does a great job. Reminds me when it’s time to take care of things seasonally. Has a cheerful attitude. I wish everyone I dealt with was this great!"
"Kyle washed my exterior windows last week. He did a fantastic job. Very easy to work with and friendly. Even after heavy rain and wind, my windows are spotless."
"my windows were so incredibly clean and clear after. was also so patient and nice. 10/10 recommend"
"Kyle's work is phenomenal, my windows have NEVER been so clean and sparkly!! I even referred him to my boss, to clean the windows where I work. He is very professional and friendly. I would highly recommend!!"
"I give Kyle an a+ plus rating"
"Very professional, did a great job"
"Absolutely amazing window cleaning service in North Idaho! I hired this company for both residential window cleaning and solar panel cleaning at my home in Post Falls, and the results were crystal clear — literally! My windows sparkle like new, and my solar panels are performing better than ever. They were professional, on time, and super friendly. If you’re looking for the best window cleaning company in Post Falls, Coeur d’Alene, Hayden, Rathdrum, or Liberty Lake, this is the one to call. You can really tell they take pride in their work — every window was spotless and streak-free. The team used pure deionized water for a perfect shine, no spots left behind. I highly recommend them for residential and commercial window cleaning, screen cleaning, and solar panel cleaning across North Idaho and Eastern Washington. Don’t waste your time with anyone else — this is the top-rated window cleaning service near me in Post Falls!"
"They did an amazing job! My windows have never looked better, crystal clear and streak free. Highly recommend them for anyone looking for top quality window cleaning!"
"Best window cleaning company in the PNW! Slate showed up on time, had great communication, and got the job done right. My windows look amazing!"
Slate Window Cleaning
Restore curb appeal and brighter views now before dirt and hard water stains get worse.

Offering exceptional Exterior Window Cleaning solutions, our team is committed to providing top quality services to meet all your needs in the Window Cleaning Industry.
We start by asking about your home, window count, access points, screens, and any hard water or buildup on the exterior glass. Then we give you a clear quote and realistic timing, so you know exactly what to expect before we schedule your exterior window cleaning.
On service day, we arrive on time, protect landscaping, and clean exterior windows using professional tools, purified water, and detail work around frames, sills, and edges. We remove dirt, pollen, cobwebs, and window grime safely, with ladder work handled carefully for a spotless finish.
Before we leave, we inspect the glass, touch up any missed spots, and make sure every exterior window meets our standards. We finish with a quick walkthrough, answer questions, and invite you to book routine window cleaning to keep your home looking bright year-round.
At Slate Window Cleaning, exterior window cleaning is one of the core services we provide for homeowners who want a cleaner, brighter, better-kept home. Over the years, we have cleaned all kinds of exterior glass, from standard house windows to large picture windows, French panes, storm windows, and hard-to-reach second-story glass. We know that clean windows do more than improve curb appeal. They let in more natural light, help your home look well cared for, and remove the buildup that can slowly damage glass over time.
Exterior windows take a beating from the weather. Rain, dust, pollen, hard water, irrigation overspray, bug residue, tree sap, bird droppings, and general outdoor grime can all collect on the glass and frames. If that buildup sits too long, it can leave stains, spotting, and mineral deposits that become harder to remove. Our exterior window cleaning service is designed to safely remove that dirt and restore a clear, streak-free finish as much as possible.
We clean the outside surface of the glass by hand using professional window cleaning tools and proven methods. Depending on the home and the condition of the windows, we may use traditional squeegee techniques, scrubbers, extension poles, and purified water-fed pole systems for higher or more delicate access points. Our goal is always the same: thorough cleaning, safe service, and the best possible result for every pane of glass.
Our exterior window cleaning service can include:
Every home is a little different. Some windows are easy to reach and clean. Others have screens, landscaping obstacles, tight side yards, or upper-story access needs. We take the time to assess the layout of your home and choose the safest and most effective cleaning method for each area.
We believe customers should know what to expect. When we arrive for exterior window cleaning, we start by reviewing the windows and identifying any special conditions, such as heavy buildup, water spotting, or access concerns. We then prepare the work area and begin cleaning each exterior window with care.
In general, our process includes:
We work carefully around your home’s exterior and take pride in leaving the property neat. If your windows have heavy hard water stains, oxidation, or construction debris, we will let you know if standard cleaning will improve it or if a deeper restoration service may be needed.
Many homeowners try to clean outside windows on their own, but exterior glass can be difficult to reach and even harder to clean well without the right tools. Store-bought sprays and paper towels often leave lint, haze, or streaks. Ladder work can also be risky, especially around second-story windows or uneven ground.
Professional exterior window cleaning gives you better results and helps you avoid the hassle. We use equipment made for glass cleaning, and we know how to work around window styles, exterior materials, and common issues like pollen film, bug spots, and mineral residue. Clean windows also improve the look of your whole property. It is one of the simplest ways to freshen up the outside of your home without a major project.
We routinely clean exterior windows affected by:
Some staining can be removed during regular service, while some issues may be permanent or may require separate stain removal techniques. We will always be honest about what can be safely improved.
At Slate Window Cleaning, we provide exterior window cleaning for a wide range of residential properties. Whether you have a small single-story home, a larger two-story house, or a property with oversized custom windows, we can tailor the service to fit the job.
We commonly clean:
If your home has unique glass features or access limitations, we can review the setup and recommend the best approach.
Our customers usually want three things: clean glass, dependable service, and a hassle-free experience. That is exactly what we aim to deliver. We show up ready to work, use professional methods, and pay attention to the details that make a difference. Clean exterior windows brighten the home from the outside and the inside. You notice it right away.
Customers also appreciate that regular exterior window cleaning can help protect their investment. Dirt, mineral deposits, and organic buildup do not just affect appearance. Over time, they can contribute to etching and long-term wear on glass and surrounding materials. Routine service helps keep windows in better condition and makes future cleanings easier.
How often you should schedule exterior window cleaning depends on your property and surroundings. Homes near busy roads, trees, construction, open fields, or sprinkler-heavy landscaping often need more frequent service. Many homeowners choose service seasonally, twice a year, or quarterly to keep the glass looking consistently clean.
If you are not sure what schedule makes sense, we are happy to make a recommendation based on your home, exposure to the elements, and your goals.
We are a small company, and we take that seriously. When you hire Slate Window Cleaning, you are not getting rushed, inconsistent work. You are getting a team that cares about the final result and about your experience from start to finish. We believe in clear communication, honest recommendations, and workmanship that reflects well on our name.
We know that inviting a service company to your home is a trust decision. That is why we focus on being professional, respectful of your property, and easy to work with. We want you to feel confident calling us again whenever your windows need attention.
If your windows are covered in dust, pollen, water spots, or outdoor grime, we are ready to help. Our exterior window cleaning service is a simple way to improve the appearance of your home and enjoy clearer views without the risk and frustration of doing it yourself.
Contact Slate Window Cleaning today to schedule service, request a quote, or ask questions about your home’s exterior windows. We would be glad to help you get your glass looking its best.
Here are the most common questions we hear about exterior window cleaning at Slate Window Cleaning. If you do not see your question here, reach out and we will be happy to help.