123 Remsen St
Brooklyn, NY 11201
Office Property For Sale

Ariel Property Advisors presents 123 Remsen Street, a trophy conversion opportunity in the heart of Brooklyn Heights, one of New York City’s most coveted, historic enclaves.
Located between Henry and Clinton Streets, 123 Remsen Street is a rare 41.67’ wide, 4-story plus basement elevator building. It encompasses approximately 14,424 gross sq. ft., with 10,578 sq. ft. above grade.
Current Property Overview: 123 Remsen Street
Constructed in the 1870s as the Charles Condon House, 123 Remsen Street is a premier example of French Second Empire architecture in New York City. Since 1918, it has served as the headquarters for the Brooklyn Bar Association, functioning as a prestigious hub for professional meetings and educational seminars.
Building Composition
The property offers a versatile layout across four levels:
• First Floor: An expansive 92-foot floor plate featuring an office, conference room, a 340- capacity assembly hall and 12’ ceilings throughout.
• Second Floor: Dedicated library space and a powder room
• Third Floor: Professional suite including two conference rooms, a lounge, and a powder room
• Forth Floor: A Use Group 4 caretaker’s residence featuring three bedrooms, a full kitchen, and a bathroom
The property contains abundant historical details, including ornate original doors, door cases, crown moldings, railings and working fireplaces with intricate mantlepieces.
Ideal Conversion Opportunity
Delivered vacant and with R6 zoning, 123 Remsen Street provides a range of conversion possibilities:
• Adaptive Owner-user Potential: While perfectly positioned for conversion to a singlefamily residential mansion, the current layout seamlessly can also accommodate diverse institutional requirements—including foreign consulates, non-profits, private galleries, or specialized academic facilities.
• Condominium Conversion: Centrally located in one of New York City’s most desirable and supply constrained residential enclaves, 123 Remsen Street is an ideal candidate for a boutique condominium conversion. Its generous footprint and flexible layout will allow for an optimized unit mix.
Premier Brooklyn Heights Location
Located on a quintessential tree-lined street in Brooklyn Heights, 123 Remsen Street offers a central position in one of the borough’s most historic neighborhoods. The location provides immediate access to the Brooklyn Promenade, Brooklyn Bridge Park, and the diverse dining and shopping corridors of Boerum Hill, Cobble Hill, and DUMBO.