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1001 G Street Northwest 250W
Washington, DC, 20001
United States

(202) 333-4480

With a professional working relationship spanning three decades, Gary F Martinez FAIA and Thomas E Johnson FAIA founded Martinez+Johnson Architecture in 1994 to bring their design sensitivities to institutional and cultural projects in urban locations. The 25-architect firm has since established an expertise in three main architectural areas – the restoration and adaptive reuse of historic structures, institutional buildings in urban areas and community settings, and the design and planning of performing arts venues.

Known for a thoughtful design approach to public facilities, M+J develops an intimate understanding of the needs of users, patrons, and operators destined to inhabit the projects of the firm. M+J looks to the future in their design aesthetic even when the context may be firmly rooted in the past and executes creative solutions to facilities both new and historic, where flexibility, ease of operation, and high but versatile performance characteristics are requisite. Venues express aspirational values and goals of the communities within which they are located, and at the same time conform to issues of economic value at the highest levels of environmental sustainability.

Pallottine Seminary


Pallottine seminary

Hyattsville, Maryland

This historic structure has been recently renovated to house the Society of the Catholic Apostolate.  Residences as well as a places for worship and congregation have been provided and the decaying structure has been restored to the Secretary’s of the Interior’s Standards for Historic Preservation.



The Pallottine Seminary at Green Hill is an historic structure located just outside of Washington DC in Prince George’s County, Maryland. Since 1960, it was been home to the Society of the Catholic Apostolate, providing residences as well as a place for worship and congregation. It was the intention of the order to renovate this historic structure so that it can continue to serve its mission.



In 2007, the Pallottine Seminary at Green Hill retained M+J to undertake an architectural, structural and mechanical condition assessment of the seminary. The objective of the study was to identify areas requiring repair and/or maintenance, provide existing architectural building plans, elevations and sections, and provide an evaluation of the architectural, structural condition and mechanical/electrical building systems.
Recommendations of how to best secure and renovate a historic structure were made to the Owner. Additionally, the floor plans were modified slightly to better provide rooming units on the upper floors.

Owner: society of the catholic apostolate c/o reverend frank s donio

Completion: 2007

Size: 18,500SF