Modern architectural interior representing Base Hill's professional environment

About Base Hill

Elevating spaces and standards since 2002

Our Story

Base Hill, Inc. was founded in 2002 with a vision to redefine cleanliness in professional environments. What began as a small operation serving local offices in Pomona, California, has grown into a multi-state enterprise known for its unwavering commitment to quality and customer satisfaction.

Over the years, we've expanded our reach and expertise, now proudly serving a diverse range of clients across California, Oregon, Alaska, Nevada, and Texas. Our journey has been marked by continuous learning, adaptation, and a relentless pursuit of excellence.

Today, Base Hill stands as a testament to the power of dedication and the impact of meticulous care. From small offices to large commercial buildings, government institutions to military bases, we bring the same level of professionalism and attention to detail to every space we touch.

Base Hill cleaning team

Our Mission

To provide exceptional cleaning and maintenance services that create healthier, more productive environments for our clients, while fostering a culture of respect, integrity, and continuous improvement among our team.

Our Vision

To be the most trusted and innovative name in commercial cleaning services, setting new industry standards for quality, sustainability, and customer satisfaction across the nation.

Our Core Values

Respect

We value our clients and employees, fostering a culture of mutual respect and appreciation.

Integrity

We conduct our business with honesty and transparency, always delivering on our promises.

Responsibility

Your satisfaction drives us, with proactive checks to ensure top performance.

Our Achievements

20+Years of Excellence
500+Satisfied Clients
5+States Served
250+Team Members

Meet Our Founder

Sunny Kim

C.E.O. & Founder

Sunny Kim brings over 40 years of business experience and 25 years in the janitorial industry to his role as founder and C.E.O. of Base Hill, Inc. Originally from South Korea and a U.S. citizen for over 40 years, Sunny's entrepreneurial journey began in the early 1980s in Ketchikan, Alaska, where he managed and later owned a Chinese/Korean restaurant.

After moving to Los Angeles, Sunny pursued further education, earning a Bachelor of Business Administration with a concentration in Finance from California State University, Long Beach in 1998. He later worked as a financial advisor at Paine Webber before founding Base Hill in 2002.

Today, Sunny leverages his diverse background to lead two successful janitorial service companies, Base Hill, Inc. and Nellis Building Services, Inc. (Nevada). His role encompasses quality control, client satisfaction, marketing, and continuous improvement of both brands. Fluent in both Korean and English, Sunny brings a multicultural perspective and an unwavering commitment to excellence to every aspect of his business.