About Delargent Design

Delargent Design is an experienced Long Island-based Architecture firm, founded by Marcelo Kohan, RA, AIA in 2011, dedicated to serving all of its clients’ residential and commercial needs, throughout New York, Long Island, and New Jersey. Our team of talented draftsmen, expeditors, code consultants, and engineers provide the expertise necessary to run every project from conception to completion.

Among the firm’s recently completed projects are interior build-outs for several offices in New York and Long Island for Douglas Elliman, medical offices for Northwell Health, garden centers for The Home Depot, and commercial spaces for the Port Authority of New York and New Jersey (PANYNJ). Other projects include complete build-outs for medical and dental offices, restaurants, non-profit organizations, and numerous residential buildings. Additionally, as a certified minority business (MBE), Delargent Design has been awarded New York City and State projects.

Services can be offered in Spanish if preferred.

Marcelo Kohan


Founder Architect
Member of the American Institute of Architects (AIA)
Minority Business Enterprise (MBE)

Marcelo Kohan is a registered Architect licensed in New York and New Jersey, and the founder of Delargent Design Architecture, P.C., a full-service architectural firm and certified minority business (MBE). He is an active member in the Queens and Long Island chapters of the American Institute of Architects (AIA).

After commencing his studies in Buenos Aires, Argentina, Marcelo moved to New York to continue his architectural career at Pratt Institute, where he was the recipient of National Talent Search award that provided him a full scholarship.

After graduating from Pratt Institute with honors in 1989, Marcelo worked for several well-known firms throughout New York, including: The Spector Group (Long Island, N.Y.) Costas Kondylis, (N.Y.), SLCE Architects (N.Y.), and Fakler, Eliason & Porcelli Architects (Queens, N.Y.). At Fakler, Eliason & Porcelli Architects his designs helped the team win several awards from the Queens Building Association.

In addition, Marcelo taught architectural courses at New York City Technical College as an adjunct professor.

A strong desire to have more creative freedom and greater client interaction led Marcelo to launch his own firm, Delargent Design Architecture, P.C. in 2011. 

Award Winning

Architechual Design

As a student, he was awarded 2nd place in a National Talent Search contest, that provided him a scholarship to Pratt Institute, Brooklyn, New York, from which he graduated with honors in 1989. Since then, he has been working constantly for various large firms throughout New York, where he participated in several projects, including single & multi-family residential, commercial & institutional.


Some of the well known firms where Marcelo Kohan has worked, include: The Spector Group (Long Island, N.Y.) Costas Kondylis, N.Y., N.Y., SLCE Architects (N.Y., N.Y.), and Fakler, Eliason & Porcelli Architects (Queens, N.Y.). At the latter firm, his designs helped the team to win several awards from the Queens Building Association.


Besides his regular place of work, Marcelo was an adjunt professor, teaching architectural courses at New York City Technical College. His sense of responsibility, dedication, and leadership became his trademark, and won him recognition amongst his peers and clients. A strong desire to have more creative freedom and greater client interaction, has led him to take on several solo projects over the years, until he decided to launch his own firm, Delargent Design in 2011. 


Marcelo Kohan has worked in some of the finest Architectural offices in New York: The Spector Group, SLCE Architects, Fakler, Eliason, & Porcelli Architects. He participated in the creation of a large variety of exciting buildings. With each project and each building, Marcelo Kohan gained the knowledge and experience needed to forge his own path.

Pictures shown throughout these pages demonstrate the variety of work (some under construction) performed by Marcelo Kohan, either done on his own, or while being employed by his former employers. Together they represent the ample spectrum of work created by him.

Currently working on several projects for “The Home Depot” throughout New York State and New Jersey, medicaloffices for “Northwell Health” in Long Island and Queens, NY., and for the Port Authority of New York and New Jersey (PANYNJ).

Other projects on the drawing board, include a restaurant and new residences in Long Island, as well as apartment buildings in Brooklyn, NY.

Solo Projects

  • Eyedoctor's offices in the Bronx.
  • Daycare in Queens.
  • 8 story, 65 apartment buiding in the Bronx.
  • Various doctor's offices throughout Queens.
  • 16 apartment buiding with commercial space in Queens
  • (3) 3 family residential buildings in Queens
  • 2 family brownstone renovation in Brooklyn
  • Conversion of a commercial space into an Urgent Care medical facility in Floral Park, New York
  • 2 family conversion of masonry building in the Bronx
  • 2 family conversion of frame building in Jamaica, Queens
  • 3 story mixed-use building in Jamaica, Queens.
  • 3 story commercial building in Bayside, New York
  • 2 family Conversion in Bensonhurst, Brooklyn
  • 1 family legalization of a high-end residential building in Flushing, NY
  • 1 story extension of a single family residence in Merrick, Long Island
  • New construction for luxury single family residences in Teaneck, N.J.
  • Renovation of various apartments at the "Lincoln Towers", Manhattan, NY
  • New warehouse in Mineola.Long Island
  • Restaurant in Hicksville, Long Island
  • Large bakery in Williamsburg, Brooklyn
  • Pizza parlor in Long Beach, L.I.
  • Hair saloon in Kew Gardens, NY
  • Interior layout / Production of a large Music Academy  in Freeport, Long Island
  • Residential Apartments in Buenos Aires, Argentina
  • Restaurant in Jamaica, Queens
  • Doctor Offices in Queens, New York.
  • Warehouse in Freeport, New York
  • Apartment alterations at the "Lincoln Towers", Manhattan

With Other Firms

  • Part of the Production team for the design documentation of the Central Islip Courthouse (Richard Meier-Spector Group).
  • Design/Production of luxury Residential Buildings, (S.L.C.E).
  • Design/Production of various multi-family condominiums, Apartment Buildings (F.E.P.).
  • Design/Production of a Medical Building (FE.P.).
  • Design/Production of Songle Family Residences (FE.P.).
  • Design/Production of a Place of Worship (F.E.P.)