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About
At DannKlean Cleaning Service LLC, we bring professional training, advanced equipment, and a commitment to excellence to every job. We proudly serve Upstate South Carolina and Western North Carolina, providing premium window cleaning and exterior home care backed by industry-recognized certification.
As IWCA-certified professionals, we use state-of-the-art window cleaning technology to deliver spotless, streak-free results—safely, efficiently, and with attention to detail. Our team is fully licensed and covered by general liability insurance, giving every client peace of mind from start to finish.
Our Services Include:
Residential & commercial window cleaning
Pressure washing
Gutter cleaning
Screen repair
General home maintenance
We believe in doing the job right the first time and treating every property as if it were our own. Whether you’re preparing for a sale, refreshing your home’s exterior, or maintaining your business, DannKlean Cleaning Service LLC delivers quality you can see.
Clean windows. Clean exteriors. A cleaner home overall.
Let us help you see the difference.
Overview
Hired 86 times
Background checked
3 employees
2 years in business
Business hours
Sun8:00 am - 8:00 pmMon8:00 am - 8:00 pm
Payment methods
This pro accepts payments via Apple Pay, Cash, Check, Credit card, Square cash app, Venmo, and Zelle.
Top Pros are among the highest-rated, most popular professionals on Thumbtack.
2025
2024
Services offered
Property type
Office
Restaurant
Retail
Medical facility
Frequency of services
One time cleaning
Multiple per week
Weekly
Biweekly
Projects and media
Projects and media
Reviews
Customers rated this pro highly for work quality, professionalism, and responsiveness.
Excellent 4.9
39 reviews
5
95%
4
3%
3
0%
2
0%
1
2%
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Tom L.
May 28, 2026
•
Hired on Thumbtack
Dannklean did an excellent job cleaning my windows. My home has 50 plus windows with some being very large full length windows. The work they did was flawless, cleaning the windows and sills as well as multiple sliding glass doors. I will have them back again each year. Top notch- professional grade team.
Details: Two-story building • Clean interior of windows • Clean window screens and tracks • Windows without grids • Sliding glass doors • 26 - 30 windows
Window Cleaning
Nickole H.
1 month ago
•
Hired on Thumbtack
Stefan did an excellent job cleaning the windows at our jewelry store. He was responsive, professional, punctual, and reasonably priced. The windows look spotless, and we’re very pleased with the quality of his work. We highly recommend DannKlean Cleaning Service to any business looking for reliable and affordable window-cleaning services.
Window Cleaning
Elzbieta B.
May 17, 2026
•
Hired on Thumbtack
All windows were cleaned, but the picture windows that required a tall ladder were not cleaned very well. We also had a light fixture that was cleaned and I’m not impressed with that part of the job. All screens were clean and 3 screens were replaced and that was great. Also they cleaned all the tracks. My satisfaction level with quality of the work and the price is 6/10.
Details: Two-story building • Clean interior of windows • Clean window screens and tracks • Windows without grids • 31 - 35 windows
Window Cleaning
Gretchen R.
Apr 8, 2026
•
Hired on Thumbtack
Stefan and Mike did a great job on my windows. Stefan was very flexible with my schedule and the windows and screens look great!
Details: Two-story building • Clean interior of windows • Clean window screens and tracks • Windows with grids • Windows without grids • Sliding glass doors • 21 - 25 windows
Window Cleaning
Jill M.
Dec 12, 2025
•
Hired on Thumbtack
Stephan came to our house and did an amazing job on all of our windows. He did not rush and was extremely down to earth and professional. I’m so excited our house feels so clean now. I highly recommend this business. Worth every penny!
Details: Two-story building • Clean interior of windows • Clean window screens and tracks • Windows without grids • 11 - 15 windows
Window Cleaning
Credentials
Background Check
Stefan Dann
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
Pricing is based on scope, condition, and access. We don’t compete on being the cheapest—we compete on doing it correctly the first time. Bundled services are more cost-effective than piecemeal work. Quotes are transparent and aligned with the level of service provided.
What is your typical process for working with a new customer?
* Review scope (photos or walkthrough)
* Provide clear, itemized quote
* Schedule with defined expectations
* Execute using proper equipment and methods
* Final quality check
* Follow-up for ongoing maintenance
Efficient, no confusion, no guesswork.
What education and/or training do you have that relates to your work?
We operate using industry-standard exterior cleaning methods, including soft washing systems and professional window cleaning techniques. Fully insured and experienced across residential and commercial properties. Our training is practical—built from real-world execution and consistent results.
