The Clean You Expect.
The Service You Deserve.
At Cornerstone Building Services, we don’t believe in one-size-fits-all cleaning. We deliver tailored commercial cleaning solutions designed around your facility’s unique needs, schedule, and standards. Serving businesses across New Jersey and Greater Philadelphia, our team partners with you to create a custom service plan that ensures your spaces stay clean, safe, and always ready for business.
What's at Risk Without Professional Cleaning?
Are employees getting sick more often? Poor sanitation leads to bacteria buildup, increasing workplace illnesses and absences.
Is your office giving the wrong impression? A dirty or cluttered space can damage your business’s reputation with clients and visitors.
Are you wasting time managing unreliable cleaners? Inconsistent service and untrained staff can create more headaches than solutions.
Is poor maintenance costing you money? Neglected floors, carpets, and surfaces wear out faster, leading to expensive repairs and replacements.
Are you meeting health and safety standards? Failing to maintain a clean environment can lead to compliance issues and liabilities.
Don’t leave your business at risk—partner with professionals who ensure a cleaner, safer, and healthier workplace.
Why Leading Businesses Trust Cornerstone Building Services
Healthier Workplaces,
Fewer Sick Days
A spotless, sanitized workplace reduces employee sick days, improves focus, and enhances morale—leading to a more efficient and productive team.
Immaculate Facilities That Elevate Your Brand
Your facility is a reflection of your brand. A meticulously maintained space reassures clients, customers, and partners that you operate at the highest standards.
Our customized cleaning plans, dedicated account management, and highly trained team ensure your facility stays pristine—without you ever having to micromanage.
Reliable, Hassle-Free Service—Every Time
You need a cleaning partner who delivers consistent, high-quality service without the hassle.
The Cornerstone 100% Risk-Free Guarantee
Cornerstone Building Services is different. We take pride in what we do because we know that a clean, well-maintained facility isn’t just about appearances—it’s about health, productivity, and peace of mind.
When we say we’re committed to reliability, quality, and long-term partnerships, I mean it.
No matter how complex your needs are, we will get the job done right. And if we ever fall short, we’ll make it right—100% guaranteed.
You deserve a cleaning partner that takes this weight off your shoulders so you can focus on running your business, not worrying about whether the floors are spotless or the trash was taken out.
Let us show you The Cornerstone Difference..
Cornerstone Building Services is your dedicated partner for commercial cleaning, window washing, floor care, and disinfection services across New Jersey and the Greater Philadelphia Region. We serve all commercial properties including but not limited to professional offices, data centers, medical facilities, industrial buildings, religious institutions, gyms, and dealerships.
Our commitment is simple: reliable, high-quality cleaning that enhances your workspace and protects your people. Let’s build a cleaner, healthier environment—together.
THE CORNERSTONE WAY
"The Cornerstone team goes above and beyond. They are reliable, detail-oriented, and always responsive to our needs. Our employees have noticed the difference, and so have our clients."
- Facilities Director, Medical Practice
★★★★★
"From day one, Cornerstone has been a true partner in maintaining our property. They take pride in their work and it shows in every room, hallway, and workspace they clean."
★★★★★
- Office Manager, Corporate Headquarters
