Window Cleaning in Highland
We offer thorough window cleaning services that enhance the appearance of your business or home. From standard interior/exterior cleaning to hard water stain removal, our team ensures a spotless view every time.
Why Highland Trusts Our window cleaning Services
Since 2010, we've been providing top-quality cleaning services to homes and businesses throughout Denver and the surrounding Colorado communities.
Our team of experienced professionals is committed to delivering exceptional results with attention to detail and a personal touch that large cleaning chains simply can't match.
Satisfaction Guaranteed
If you’re not 100% satisfied or we missed something, let us know within 48 hours, we’ll re-clean at no extra cost.
Lowest Turnover in the Industry
Low turnover means a dedicated, motivated team that delivers better service every time.
Fully Insured and Bonded
We are fully insured and bonded for your peace of mind.
Why Businesses and Homes Choose Us
We don’t send just anyone
Our team is trained to spot buildup others miss.
Streak-Free Guarantee
If you're not 100% satisfied, we'll come back and clean again for free.
15+ Years of Experience
Trusted across Denver for over a decade. What began as C-Thru Cleaning is now Kathy Window Cleaning.
No Disruption, No Mess
Our team works fast, clean, and without getting in the way of your customers or staff.
We Make Your Storefront Look Good
Clean windows = more light, better visibility, and a stronger first impression.
We Show Up On Time
No chasing. No excuses. Just consistent service that respects your business hours.
Kyle is very professional and respectful of my residence.It is a pleasure to have his service. In fact, he has cleaned my window for several years. I am completely satisfied with his work and will continue to have him clean my windows.
The team is so awesome our window are so clean and they are prompt with their service and always make sure we are looking good before they leave.
Simple Process
Get in Touch
Fill out our form or call us. We'll reach out to understand what you need.
Get Matched
We'll propose the best solution based on your windows, schedule, and goals.
Enjoy the View
Sit back and let the light in. Your windows will shine for you and your customers.
Ready For your Window Cleaning?
Let the light in with a professional window cleaning you can count on. Our Highland-based team makes your windows spotless, so you and your customers enjoy the view without the hassle.
REQUEST A QUOTEServicing the Highland Area
Our window cleaning team proudly serves Denver and its surrounding neighborhoods, making sure your windows are spotless wherever you are in the city.
Why Clean Your Windows Regularly?
The benefits go beyond just appearance
Professional window cleaning does more than improve how your property looks, it also enhances comfort, health, and productivity. At Kathy Clean, we provide reliable residential and commercial window cleaning services in Denver and surrounding areas. Here’s why regular cleanings matter:
Boosts Curb Appeal
Clean windows make your home or business look cared for — inside and out. It’s one of the easiest ways to improve first impressions.
Prevents Glass Damage
Hard water stains and dirt buildup can etch and damage glass over time. Regular cleaning protects your windows and extends their life.
Better Natural Light
Dirty windows block sunlight. Clean windows let more light in, making your space brighter and more welcoming.
Our Window Cleaning Services
Crystal clear windows enhance your property's appearance and let in more natural light. We provide professional window cleaning services that leave your windows spotless and streak-free.
Residential Windows
Professional window cleaning for homes of all sizes, ensuring streak-free, crystal-clear windows.
Interior and exterior window cleaning
Screen and track cleaning available
Eco-friendly cleaning solutions