Delaware's Most Loved Window Cleaners
We Would LOVE to Clean Your Windows
Professional window cleaning & gutter cleaning for residential and commercial properties across Delaware, Pennsylvania, New Jersey & Maryland.
Our Services
Professional exterior cleaning solutions for your home or business
Residential Window Cleaning
OUR GOAL is to make sure that when we leave your home you are excited to have had us clean your windows. We take pride in our work and it shows.
Commercial Window Cleaning
We provide professional commercial window cleaning services that keep your business looking its best. First impressions matter — let us help you make a great one.
Screen Cleaning
We clean window screens to remove dirt, dust and debris so you can enjoy a clear view and fresh air through your windows.
Track Cleaning
Dirty window tracks can prevent windows from operating properly. Our track cleaning service removes built-up grime and debris.
Recent Google Reviews
Bill Hooks
May 8, 2025
Could not be happier with this fine company. Jordan and Howard came to our home and were courteous and thoughtful and did an amazing job cleaning our windows. I would HIGHLY recommend these folks if you’re considering hiring a company to clean your windows. 10 STARS!
Leslie Fishman
March 20, 2025
1st State was out at house 3/19/2024. Their three person was great!!! They were professional, thorough, efficient and very respectful of our home Our windows were spotless, our screen were hosed off and the frames were wiped clean. They did a great job on our Solar Panels as well. Two Thumbs up. I can't recommend them highly enough
1st State Window Cleaning Sets the Standard
Quality Work & Great Customer Service
We take pride in our work and it shows. Our attention to detail is unmatched. Our customers love that we are fast and efficient without ever compromising quality. We take the time to listen to you in order to give you the best options available for your project.
Our customers tell us that they appreciate that we are careful when moving items to complete the window cleaning job and respectful of their home. They also enjoy the cheerful attitude that the employees have as they go about cleaning. It's easy to be happy and have a HUGE SMILE when you can look out of your windows and have a clear view of your yard and gardens after we are finished.
What Our Customers Say
Don't just take our word for it
"I have used 1st State Window cleaning for several years, and I have never been disappointed! I have been gradually replacing my windows, but 1st State even makes my old windows look like new! Steve and his crew are very accommodating and flexible and willing to work around my schedule. This is one of the best services I have used in my home. Great employees, too — friendly, respectful and hardworking! Always pleased with the final result!"
"They were great to work with. Very professional and efficient! The windows were spotless and all the items that needed to be put back in place were carefully done. Highly recommend this company!"
"1st State is the first professional window cleaning company we've used. They definitely lived up to the recommendations from the others who have used their service. The Window Cleaning Technicians did an outstanding job and the cost of the service was very reasonable. The team called when they were on their way and arrived on time and finished within the estimate given."
"We Believe In Good, Old Fashioned, Friendly Service. 1st State Window Cleaning truly delivers on that promise every single time. Highly recommend to anyone looking for a reliable, professional window cleaning service."
See Us in Action
Watch how we deliver sparkling clean results
Proudly Serving the Tri-State Area & Maryland
Delaware, Pennsylvania, New Jersey & Cecil County, MD
Don't see your area? Call us — we may still be able to help!
Ready for Crystal-Clear Windows?
Call or text us today for a FREE estimate. We'd love to clean your windows!