General Info

About American Cornerstone LLC: As an independently owned and operated local company, American Cornerstone LLC is able to maintain high standards for quality, unlike most national franchises who utilize a "one size fits all" method. A crew supervisor will be on site at all times during the cleaning process to ensure a thorough and complete job is performed on each visit. American Cornerstone LLC is operated right here in Oxon Hill, MD. Since our company opened its doors, we've treated every customer like they were a part of our family. Other companies may offer similar services, but our services are the best. We provide a personal touch. At American Cornerstone LLC, our attentive staff is available Monday through Saturday to answer your questions and ensure you are 100% satisfied. We're committed to helping you: If you're looking for high quality, professional and personal service, you've come to the right place. At American Cornerstone LLC we'll give you the attention personal and professional service you'll come to expect and enjoy. We offer a money back guarantee if you're not 100% satisfied and we can't solve your problem. Commercial and Residential Superior Services: * Full Service Janitorial * Commercial Office Cleaning * Single Space Office Cleaning * Condo/Apartment Building Cleaning