451 Hungerford Dr #735, Rockville, MD 20850

About Us

3SQE has a history of success in making customers happy. Our staff has been working with homeowners and building managers for years. We continue that tradition today.

Give us a call today

Meet the Team: Senior Leadership Jeff Kline and Gary Carswell

Meet with Us: Consultations on your schedule! We have a no-nonsense approach to business and successful completion of projects on time and on budget.

Meet the Leadership

Mr. Carswell, a Certified Public Accountant and graduate of the University of Maryland is CFO of 3 Square and brings 27 yrs experience managing financials, implementing company controls, and strategic planning.

Mr. Kline is VP of Field Operations & Construction and runs the day to day field operations.

Mr. Kline is a 13-year Army Veteran with over 30 years of general contracting management experience and specializes in large multi-family tenant in place renovations and new construction. Mr. Kline has managed 1,000 units of tenant in place renovations within the past 3 years before starting 3 Square.

When it is time to get serious with your construction needs, it is time to get 3SQE.

Contact us today!

Our staff is working with or has worked with the following local agencies, federal agencies and housing authorities:

State of Maryland – Department of Housing and Community Development (DHCD)
State of Maryland – Community Development Administration (CDA)
Montgomery County – Housing Opportunities Commission
Prince George’s County – Housing Authority
Howard County – Housing Opportunities Commission
District of Columbia – Department of Housing and Community Development (DHCD)
District of Columbia – Housing Finance Administration (HFA)
District of Columbia – Department of Consumer and Regulatory Affairs (DCRA)
State of New Jersey – New Jersey Housing and Mortgage Finance Agency (NJHMFA)
District of Columbia – Federal Bureau of Investigation (FBI)
District of Columbia – National Security Agency (NSA)
District of Columbia – National Institutes of Health (NIH)
District of Columbia – United States Army Corps of Engineers (USACE)