MARKII Architect P.C. is a full-service architecture firm based in New York City and Seattle. The studio was founded by Mark Long in 2017, and current work includes everything from luxury multi-family development to apartment renovations and single-family homes.

Every project is unique and deserves a unique solution. Whether it’s a building, an apartment, a room, or an object, MARKII strives to provide clients with innovative solutions while working within the following principles:

Integrity -  Operating throughout the entire design and construction processes with honesty, fostering trusting relationships between all parties involved, and delivering a complete, thoughtful product to the client.

Quality -  Through careful planning, attention to detail, innovative thinking, and active communication with the client, every project endeavors to be delivered at the highest quality.

Diligence -  Regardless of scale, every task is executed with hard work, care, and perseverance.

Innovation -  Out-of-the-box thinking and willingness to look at any project constraint as an opportunity is key to discovering the best possible project solution.

Technology -  BIM , Virtual Reality, Augmented Reality, and computer technology is changing the profession of architecture at a rapid pace. MARKII invests in and explores those technologies to provide clients with unique opportunities to literally step into design options early in the design process.



Mark Long, AIA, LEED AP BD+C

Prior to founding this architecture firm, Mark worked in the following offices: Kohn Pedersen Fox; Kevin Roche John Dinkeloo and Associates; Paik Architecture; and Sage and Coombe Architects. His experience includes NY icons, such as One Vanderbilt tower, the Hudson Yards development, and a luxury residential mid-rise building in Chelsea, Manhattan, and many other projects.


Mark studied architecture at Kansas State University and is a registered architect in both New York and Washington State.

His interest in architecture began early. Mark’s father is a carpenter who introduced construction and Midwestern craftsmanship to Mark at an early age. 


Mark also gained extensive fabrication experience prior to pursuing a career in architecture while working as a mechanic at both The Boeing Company and Cessna Aircraft Company.





Interior Design

Furniture Design




Property Visioning

Project Programming

Space Planning

3D Visualizations

Renderings & Marketing Materials

LEED Certification

Zoning & Landmarks