Proudly serving Delaware and the Tri-State Area
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About Us


We’re City Window Cleaning, LLC

For over 75 years, City Window Cleaning, LLC. has provided quality commercial and residential window-washing services to Delaware and the surrounding Tristate Area. Locally based in Wilmington, Delaware, we provide interior and exterior cleaning, glass restoration, pressure washing, and more to address your building’s unique needs.

Our top priority for each service performed is the safety of personnel and property. All operations and equipment used by City Window Cleaning meet or exceed OSHA regulations and all applicable ANSI standards.


Delaware’s Window Washers Since 1946

Since 1946, City Window Cleaning, LLC. has brought a clear view to occupants of office buildings and homes. Founded at the height of America’s Industrial Revolution, we built a business on quality, safety, and attention to detail. As industry gave way to technology and America’s offices and homes spread across the land, we too expanded our service area.

Today, City Window Cleaning removes dirt, grime, and graffiti from buildings throughout Delaware, New Jersey, Maryland, and Pennsylvania. Customer satisfaction is always our number one concern and in the event of a problem, we will do whatever is necessary to make things right.

The City Window Cleaning Way

At City Window Cleaning, we are more than a building service provider. We’re a partner you can trust— ensuring your projects are done safely, effectively, and with top-tier service.

Providing high-quality work for our customers isn’t just a commitment; it’s a promise. Our highly trained teams help reduce delays and provide peace of mind.

Thorough field training and a strong focus on safety create better results. All operations and equipment used by us meet or exceed OSHA, ANSI, and local regulations.

Decades of experience and a team-based approach ensure a job done right, every time.

We are active in the industry to stay informed and connect with building owners.


Meet Our Team

Our leadership team is dedicated to delivering the highest level of customer service without ever compromising on quality or safety!

City Window is a Valcourt Company

The Valcourt Group is the premier provider of commercial restoration, waterproofing, and window cleaning services in the United States. Started in 1986 as a small window cleaning company in Washington, D.C., Valcourt has evolved into the largest exterior maintenance company in the country by partnering with the best companies in the industry.

But we’re more than a collection of companies. We’re a family. And together, we strive to be the single-service provider dedicated to protecting and preserving every surface of every building.

When you work with a Valcourt company, you can rest assured that you’re in good hands. Our team has extensive experience in the building services industry, including leadership roles in safety organizations, associations, and trade groups. Our vision is of a future where all buildings get the maintenance they need at the right price and without risking liability.

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