DeMark's Window and Pressure Cleaning
Window Cleaning
Serving Waukesha, WI
From Google Business Profile
4.9
808 Google reviews
Hours
| Monday | 7:30 AM–7 PM |
| Tuesday | 7:30 AM–7 PM |
| Wednesday | 7:30 AM–7 PM |
| Thursday | 7:30 AM–7 PM |
| Friday | 7:30 AM–7 PM |
| Saturday | 8 AM–4 PM |
| Sunday | Closed |
Google categories: Window cleaning service, Gutter cleaning service, Pressure washing service, Snow removal service
View on Google Maps →Last checked October 27, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
Photos on Google: 795
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Aug 2026 · Owner replied
Drew and the office team were very patient with us as we worked through what services we really wanted. Then Sam and Jomar did a great job cleaning our windows and screens! They arrived early, after calling first and very efficient and…
5 out of 5 stars · Aug 2026 · Owner replied
They did a great job! Our house’s siding was filthy, with mold and algae in the shade on the north side, and everywhere else was badly oxidized: it had faded from a dark colonial blue to a purplish gray. It’s now blue again. The windows…
5 out of 5 stars · Jul 2026 · Owner replied
Sam,Omar,Carol, and Jon , was the team at Caleffi. We have had windows cleaned before and we have gull poo problem on the 2nd floor windows. Demark’s team went the extra mile and used a razor to scrape off the residue. We had inside and…
The owner replied to 5 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 27, 2026.
About siding contractors in Waukesha
Siding contractors install and repair vinyl, fiber cement, steel and wood siding. Siding contractors remove old siding, install house wrap and flashing, put up vinyl, fiber cement, engineered wood or steel siding, replace soffit and fascia and repair hail or wind damage.
Typical cost: $9,000–$25,000 for a typical whole-house re-side. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Compare materials: Weigh durability, maintenance and cost.
- Ask about house wrap and flashing: Weather barrier details prevent water damage.
- Check manufacturer credentials: Certified installers can offer better warranties.