Artemis Properties, Inc., is a fully-integrated commercial real estate company focusing on real estate investment, development, management and leasing of commercial office buildings and retail shopping centers. The firm, headquartered in Baltimore, Maryland, manages a diverse portfolio encompassing more than 1,000,000 square feet of commercial space in the Maryland region.

Artemis Properties is dedicated to providing and maintaining office and retail environments through an exceptional experience, meeting the needs of our clients and enabling tenants to perform at optimum levels. Our actions are guided by four company principles:
Uncompromising attention to detail
Consistent innovation
Unwavering quality service
Always strive to do more


Our experienced professionals with diverse backgrounds offer clients a reliable and enjoyable experience, delivering consistently on our high-quality standards.

Lou Kousouris

Lou joined Artemis Properties in 2018 and holds responsibility in financing, leasing and developing all property types as well as the long-term strategic planning for the portfolio. From 2015 to 2017, Lou worked as an account director for Jones Lang LaSalle and prior to that, he was president and a principal at Colliers International | Baltimore.

Before entering the real estate industry in 2006, Lou worked for Price Waterhouse Coopers as part of their initiative to hire junior military officers. Lou spent five years serving in the U.S. Army as a field artillery officer earning the rank of Captain.

Lou earned a Bachelor of Science degree in economics from the United States Military Academy at West Point and graduated from Loyola University’s Sellinger School of Business Executive MBA Program. Lou currently serves as a member of the Downtown Partnership of Baltimore’s Executive Board and the Center Club’s Board of Governors while also being the past Board Chair of the Baltimore Station.

T: 410.244.7200

Tim Hearn

Before joining Artemis Properties in 2018, Tim Hearn served as a senior managing director for Jones Lang LaSalle where his leadership responsibilities focused on the Mid-Atlantic Investor Services Suite. Tim’s responsibilities included the development and execution of strategy for the property management group, which consisted of 300 property management, accounting and building engineering professionals engaging at over 40 million square feet of commercial buildings in the region.

In addition to currently being enrolled in the University of Maryland University College, Master’s in Healthcare Administration program, Tim also holds a Bachelor of Arts degree after attending Brown University and Loyola University Maryland.

As a heavily involved member of the community, Tim has chaired several capital campaigns, built committees and held leadership roles on several boards including: the Board of Trustees of the Sheppard and Enoch Pratt Health System, the Friends School of Baltimore, the Advisory Committee for Stevenson University and the Stella Maris/Mercy Hospital of Baltimore. In addition to being a member of the Executive Committee of the Maryland Hospital Association, Tim also served as the organization’s treasurer.


10 N. Charles Street
A stunning three-story Class “A” office building containing approximately 37,000 square feet of space, this project was delivered in 1965 and completely renovated and repurposed in 2001 into an educational institution with the addition of a lecture hall. Positioned at the intersection of N. Charles Street and Fayette Street, the building features an all-glass exterior and 10,000 square foot floorplates. The building was awarded the AIA design award in 2001.
100 N. Charles Street
Known as One Charles Center, this twenty-two-story high-rise office tower, designed by famed architect Mies Van Der Rohe, anchors the Charles Center sub-market of Baltimore City and is positioned at the virtual heart of the downtown central business district. Completed in 1963 and featuring nearly 350,000 square feet of Class “A” office space, this iconic tower offers 14,486 square foot floorplates and an underground parking garage staffed by professional valet drivers. In 1996, a comprehensive renovation was completed that restored the building to its original Mies Van Der Rohe design and condition.
For Sale
210 N. Charles Street
Referred to as The Fidelity & Deposit Building, this fifteen-story high-rise office tower offers approximately 225,000 square feet of office space and a classic re-development opportunity. Built in 1894, the building’s architectural style is Romanesque Revival and features a granite facing. Floor sizes are approximately 15,000 square feet, and configurations for multi-family and hospitality are possible in this iconic structure. Property Information
210 W. Pennsylvania Ave
Positioned in the central business core of Towson, Maryland near Bosley Avenue, this eight-story building offers approximately 140,000 square feet of Class “A” office space and is immediately adjacent to the Baltimore County Courthouse building. Constructed in 1989, the structure features a ribbon-glass exterior and 17,000 square foot floorplates.
1924 York RD
Located in Timonium on the York Road corridor, Artemis developed this 30,000 square foot retail shopping center in 1996. The location is highly desirable with strong traffic counts and demographics.


Artemis Properties, Inc.
100 N. Charles Street, Suite 1730
Baltimore, Maryland 21201

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Stay up-to-date on the latest news surrounding Artemis Properties.
New Baltimore architecture hub opens at downtown’s One Charles Center next week

AIA Baltimore and the Baltimore Architecture Foundation will be joined by “allied groups” inside the state-of-the-art Baltimore Center for Architecture and Design.

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AIA Baltimore to create Center for Architecture and Design at One Charles Center

A design competition is underway this summer for local architects to plan and develop the center at 100 N. Charles St.

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Baltimore ‘is worth our fight’ author Wes Moore tells downtown leaders

Downtown Partnership of Baltimore’s leaders are optimistic despite Covid-19’s impact on the city.

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