We build loyal relationships with our customers helping them showcase clean, finished projects. 

We do this with a passion for service, quality and attention to detail.

Commercial Cleaning Company Thriving for 30 Years in the DMV

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Years Of Experience
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CleanTech is a fully licensed and insured commercial cleaning company thriving for 30 years in the DMV.

Over the years, CleanTech has built an outstanding reputation for reliability and expertise. We understand that every client has unique needs, and we are committed to adapting our services to meet those needs effectively.

Nilthon Alvarado

Nilthon immigrated to the United States at the age of 17. Without any formal post-secondary education, he became passionate about reading, which deeply inspired him to start his own business. Finally in 1994, Nilthon embarked on a pioneering journey as he founded CleanTech Building Maintenance Inc.

Carmen Alvarado
President & CEO

Alongside her husband Nilthon, they founded CleanTech in 1994. What started as a small business quickly grew into a multifaceted corporation where Carmen was able to apply an administrative and organizational outlook as a leader of the company.

Our Services

We get the areas ready for you to move in without dealing with the mess by performing all stages of construction clean-up. Our services cover new and renovated residential and commercial projects. ​

Our team of professionals are trained in various cleaning environments and scenarios, such as disinfecting, power-washing outdoor areas, floor maintenance and many more.

We understand the importance of a building that is well cared for and properly maintained. Through this understanding, we provide consistently thorough, high-quality commercial cleaning services.

We Serve Industry Leaders

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Our Memberships

NMSDC Member

We are a proud member of the National Minority Supplier Development Council, at the forefront of unwavering commitment to advance Asian, Black, Hispanic and Native American suppliers in a globalized corporate supply chain.

BSCAI Member

We are a proud member of the Building Service Contractors Association International, a worldwide network of more than 1,000 member companies from across the world providing cleaning, facility maintenance and other related services to building owners and managers.