Window Cleaning & Repair for Government Buildings & Other Secure Facilities

Hercules Window Cleaning is an IWCA, OSHA, and BOMA-approved, ANSI-14-certified professional window cleaning company with the skilled labor and security clearances to fix, restore and clean the windows of government buildings and other secure facilities. We are the only window cleaning company in the St. Louis area with the aforementioned certifications, and that’s why, when it comes to secure federal, state, and city facilities, Hercules Window Cleaning is the only choice for your building.

Whether it’s window cleaning, repair, restoration, or simply new window caulking, government buildings and other secure facilities trust Hercules to get the job done right, with proper attention given to safety and security.

Our Plan for Your Building

Before each job, Hercules prepares a Plan of Service for each building we clean and provide repair services for. We determine when the building will be cleaned or the windows repaired, where the window cleaners will operate from, what type of equipment will be used, and what precautions need to be made in order to prevent interference with pedestrians and vehicles. This careful planning ensures each job is performed with expert precision.

And, we’ve provided window cleaning,  window repair, restoration and window caulking services to more than 400 St. Louis area properties, including high-security government and corporate facilities, like FBI headquarters and Fortune 100 offices, as well as commercial offices, educational institutions, healthcare facilities, retailers, banks, multi-family housing units, military facilities and more.

A sister business of the Spann Building Maintenance Company, Hercules Window Cleaning is over 50 years old, and has been owned by the same family since its creation. Our staff averages 12 years of window cleaning experience per staff member, and our total staff experience exceeds 225 years. We hold monthly training meetings, reviewing the methods and equipment we use and any related topics that need to be covered; we utilize uniformed workers; and we achieve secure facility clearance through the use of background checking and drug screening. We trust our employees, and you can trust us to get the job done to your complete satisfaction.

Contact Hercules Window Cleaning today for cleaning, repair, restoration or government building window caulking. St. Louis’ only ANSI-14 certified window cleaner is the only choice for you.

Connect with Us


Hercules Window Cleaning

10772 Trenton Ave

St. Louis, MO 63132

Phone:(314) 965-1150

Email: larry@herculeswindowcleaning.com

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