Window Cleaning, Gutter Cleaning, Concrete Cleaning, House & Roof Washing
Top Rated, High-Class Exterior Cleaning Services


Amazing job!!! My windows are sparkling!!! The young man who cleaned our windows was on time, professional, and very pleasant. He gave great attention to his work! I would highly recommend this firm. I would like to add: when I called Tasha got someone out to quote our needs immediately and we received that quote immediately… excellent staff from first call to job done!

Make Your Home Look Amazing Again
Cleaning Your Home to Perfection With DeMark's Window Cleaning and Pressure Washing
At DeMark’s we pride ourselves on providing the best exterior cleaning service to you. We strive for five-star service with our pressure washing, roof washing, and gutter cleaning services for our residential and commercial clients. Our innovative and cutting-edge technologies and products have produced superior results for over 15 years.
DeMark’s fully insured team will bring your home or business back to life with our full complement of exterior cleaning services. DeMark’s is your #1 window and pressure cleaning service serving Madison, and the greater Milwaukee areas.
Our Services
Window Cleaning
House Washing
Roof Wash
Dirty Roof?
Get the Dirt Off Of Your Roof With DeMark's

Satisfaction Guaranteed
We guarantee satisfaction with our hard work and professionalism.
Hassle-free customer service
Our customer service representatives are here for you.
Professional and Friendly Staff
We strive to be professional and friendly with the best service.
Testimonials
What Our Clients Say About Us
With over 200+ 5 Star Google reviews.
Quality. Value. Peace of Mind.


Dirty Windows?
Make Your Windows Sparkle Again
Dirty windows can make your home look unappealing. Dust can take away the shine and your reflection will be one that is hard to find. Unclean windows can also block the view of what beauty lies outside of your home. Without them being properly cleaned, your windows will build up dust and dirt.
If you don’t have the time to thoroughly clean your windows, our DeMark’s Window & Pressure Cleaning professionals can clean them for you and bring the sparkle back. Our window cleaning process will bring you satisfaction and restore the streak-free shine that you might have forgotten exists.
What Makes DeMark's Different?
- Expertise and Experience
You will receive experience and knowledge when you choose to have your exterior areas cleaned. We take pride in providing knowledge about our process with our work.
- Professional and Friendly Staff
Professionalism and friendliness are what drives us to be the best. We work hard to show our customers we care about their home and their time.
- Fully Equipped
We use advanced technology cleaning equipment and products for the best results when cleaning your exterior areas.
- Top-of-the-Line Products
Your home will be cleaned with the best cleaning products in the market and will shine with beauty after our professional cleaning process.

Professional. Affordable. Reliable.
Make Your Neighbor Jealous Because Your Home Looks So Good
Commercial Service Professionals
Keep Your Professional Image Maintained With Commercial Cleaning
For over 15 years, DeMark’s Window & Pressure Cleaning has provided premier interior and exterior cleaning services for commercial businesses and properties. The cleanliness and beauty of the exterior of your building are the first impressions to employees and those who visit. Our commitment to superior service, innovative approaches, and techniques allow you peace of mind that your commercial building is well maintained.

Our Service Areas
Get Ready For Amazing Results
Washington County
- Colgate
- Hubertus
- Germantown
- Hartford
- Richfield
Ozaukee County
- Cedarburg
- Grafton
- Mequon
Milwaukee County
- Franklin
- Fox Point
- Milwaukee
- Greendale
Madison
- McFarland
- Madison
- Middleton
- Stoughton
- Sun Prairie
- Verona
What's Next?
GET YOUR QUOTE
One quick call to our world-class customer service team will answer your questions and help you solve your problems.
GET SCHEDULED
With scheduling made easy, you’ll be able to pick a time that works for you. Your time is valuable. We get it!
RELAX
Sit back and relax knowing that experts will be doing the work and you won't have to lift a finger.