Rosembarg construction
Where detail defines the space.
Licensed & Insured · Luxury Residential & Retail · NYC — North Shore — Hamptons
We build at the level your project demands.
Rosembarg Construction is a New York-based luxury general contractor specializing in high-end residential renovations across Manhattan, Long Island's North Shore, and the Hamptons. We work alongside interior designers, architects, and discerning homeowners to deliver spaces that are precise, refined, and built to last.
Select Projects
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![Modern high-rise living room with large floor-to-ceiling windows offering a city skyline and river view, featuring a dark blue sectional sofa with yellow cushions, a green accent chair, a round black side table, a coffee table, and a contemporary chandelier with multiple glass globe lights.]()
Hudson Yards
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![A custom wooden bookshelf filled with books located against a beige wall in a room with wooden flooring. Part of a wooden dining table and chair are visible in the foreground.]()
East Hampton
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![Modern living and dining room in an urban apartment with large windows showing city skyline and greenery, featuring a round dining table with black and wooden chairs, a marble-top coffee table, and various seating areas with chairs and sofa, decorated with artwork, lamps, and potted plants.]()
Sutton Place
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![Modern white kitchen with marble countertops, stainless steel appliances, black mosaic backsplash, window, and a wall-mounted flat-screen TV.]()
Rye Brook
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![Empty modern apartment living room with large floor-to-ceiling windows showing city skyline and wooden floors.]()
Gramercy
35 Hudson Yards · Essex House · Trump Tower · Off-White · Rag & Bone · Elie Saab · Lacoste
The standard we build to
Finish comes first
We build backward from the final detail — aligning framework, millwork, and materials to achieve a refined result.
Clarity over chaos
Structured coordination, realistic timelines, and direct communication from the first walkthrough to the final punch list.
no corners cut
Quality is not an upgrade at Rosembarg. It is the baseline every project starts from.
Our Process
01 Initial Consultation
We review scope, constraints, building requirements, and overall vision — establishing clear parameters before pricing begins.
Detailed estimates are developed around materials, labor sequencing, and logistical considerations — minimizing surprises later.
02 Scope & Pricing
03 Construction Phase
Site management, trade coordination, and quality control are executed with consistent oversight to ensure finish exceeds expectations.
Final walkthrough, punch-list, documentation, and long-term support conclude the project.
04 project closeout
Working with designers & architects?
We've built long-term relationships with leading New York design studios. If you're a designer looking for a contractor who protects your vision and executes at publication level — we built a page for you.