Stephen B. Jacobs Group has designed nine buildings in our Manhattan catalog. Stephen B. Jacobs (1939-2021), born in Lodz and a child survivor of Buchenwald, took his architecture degree at Pratt and founded the firm in 1967. He was among the first New York architects to convert obsolete industrial lofts into housing, later became known for boutique hotels including Hotel Gansevoort, and built amenity-driven infill condominiums through the 2000s. The practice continues as SBJ Group. The credit carries no pricing premium; it indicates era, site constraints, and the likely amenity program.
Who they are
Nine buildings in our catalog carry the Stephen B. Jacobs credit. They range from a 1931 loft building converted to apartments to ground-up condominiums finished in 2012, which is a fair summary of what the office did for fifty years.
Stephen B. Jacobs was born Stefan Jakubowicz in Lodz, Poland, on June 12, 1939. He was a small child when his family was deported after the liquidation of the Piotrkow ghetto, and he survived Buchenwald, working in the camp shoemaker's shop and later hidden in the tuberculosis ward of the infirmary where his father was an orderly. The family reunited after the war and emigrated to the United States in 1948, settling in Washington Heights. He studied painting at the Art Students League before entering Pratt Institute, where he took a master's degree in architecture in 1965. He worked as a designer at Whittlesey, Conklin and Rossant, then founded Stephen B. Jacobs & Associates in 1967. He was elevated to Fellow of the American Institute of Architects and died in December 2021 at eighty-two.
The practice continues as SBJ Group, led by three principals — Alexander B. Jacobs, Jennifer Cheuk, and Isaac-Daniel Astrachan — with the interior design side long associated with Andi Pepper. Public records and building pages use several forms of the credit: Stephen B. Jacobs, Stephen B. Jacobs & Associates, and Stephen B. Jacobs Group. They refer to the same office.
The work
Jacobs started with owner-occupied brownstone renovations on the West Side, beginning with a house he rebuilt himself. The work that established the firm came in the 1970s, when manufacturing left the city and left behind buildings nobody wanted. He was among the first architects in New York to treat obsolete industrial and mercantile lofts as housing stock. The Cast Iron Building at Broadway and 11th Street, a structure of about 1861, was converted in 1974. The Printing House at 421 Hudson Street, an 1890s industrial loft, followed in 1976 with solar collectors on the roof. Portico Place, an 1846 Presbyterian church on West 13th Street, became apartments in 1982 with its exterior preserved. The AIA gave him its Andrew J. Thomas Pioneer in Housing award for that body of work.
130 Barrow Street belongs to that first phase. The building dates to 1931 and had been used for truck parking; Jacobs converted it to apartments and added sloped penthouse walls and terraces at the top. Our catalog carries the 1931 construction date, which is the building, not the conversion.
He also worked out early what most New York architects now take for granted. Standing on the roof of a full-block West Village loft building and seeing close to half an acre of unused space, he concluded that rooftops were the most underdeveloped real estate in the city. Roof programming became a standing feature of the firm's work.
The 1979-1984 buildings in our catalog — 7 East 35th Street (1979) and The Kingsley (400 East 70th Street) (1984) — are from the period when the office moved from conversions into new residential construction, at a moment when Manhattan apartment towers were being built cheaply and quickly under 421-a.
From the mid-1990s the firm became known for boutique hotels: Sixty Thompson, the Library Hotel, Hotel Giraffe, Hotel Gansevoort in the Meatpacking District, and later Gansevoort Park Avenue. That hospitality practice fed directly back into the residential work, which is why buildings of the 2005-2012 cohort read the way they do — lobbies, roof decks, and amenity floors treated as the primary design event.
That cohort is the bulk of our catalog: 555 West 23rd Street (555W23) (2005), 464 West 44th Street (Chatham 44) (2007), 215 Avenue B (The Copper) (2008), 311 East 11th Street (2008), 55 Sullivan Street (2009), and 153 West 21st Street (2012). These are mid-rise infill buildings on side streets in West Chelsea, Hell's Kitchen, the East Village, and SoHo, built to the zoning envelope, with facades that use a single strong material gesture — 215 Avenue B (The Copper) takes its name from its cladding — over a conventional plan.
How the work is regarded
The firm's standing comes from the adaptive reuse work rather than from the facades. Those 1970s conversions are cited as early examples of a practice that later became standard, and the argument for them is as much environmental as architectural: reusing an existing structure avoids the carbon cost of demolishing and rebuilding it.
The hotels were widely covered in the design and hospitality press and set the pattern for the rooftop-bar hotel in the Meatpacking District. Whether that was good for the neighborhood is a live disagreement in the Village and has been for twenty years.
The residential buildings of the 2000s have attracted little sustained architectural criticism in either direction. They were built to serve a development pro forma on constrained sites, and they are generally judged on that basis. None appears to hold individual landmark designation. Trade coverage at the time of Jacobs's death described the firm as one of the largest architecture offices in the city by headcount, which is a comment on volume rather than on any single building.
What the credit means for value
The credit carries no premium. It tells you the era, the site constraints, and the likely amenity program. Price the apartment, the line, and the block.
Distinguish conversions from ground-up construction. 130 Barrow Street is a converted industrial building with the ceiling heights, column grid, and irregular layouts that come with one. The 2005-2012 buildings are new construction to a repeatable plan. They price and live differently, and they carry different structural risks.
The 1979 and 1984 buildings sit in the capital-cycle window now. Buildings of that period are forty to forty-five years old, with original elevators, risers, and envelope details reaching end of life. Reserve balance and assessment history are the numbers that matter.
Amenity-heavy buildings have amenity-heavy budgets. Roof decks, lounges, and fitness floors are attractive at showing and expensive at year fifteen. Read the operating budget for staffing and for the maintenance line on those spaces.
Check for remaining tax benefits. Several of the 2005-2012 buildings were built under 421-a with defined phase-out schedules. Model the fully taxed carrying cost before you commit.
Buying one today
Ask what the facade is actually made of. Metal-clad and rainscreen facades of the 2005-2012 period vary widely in workmanship, and water intrusion at that vintage is a known category. The building's Local Law 11 history and any facade litigation will tell you more than a photograph will. Our Local Law tools check a specific building's exposure.
Look at the side-street context. Most of these buildings are on blocks where the adjacent low-rise structures are not permanently protected. Ask what can be built next door and what happens to the light and views if it is.
In the conversions, verify the legal layout. Loft conversions of the 1970s and early 1980s carry legacy conditions — irregular room counts, interior rooms, sprinkler and egress upgrades done in stages. Get the certificate of occupancy and any open violations.
Confirm the attribution. Our catalog records this credit under three different name forms drawn from public and architectural records. Where a building page carries an attributed rather than a documented credit, it says so.
Working with The Roebling Team
This group of buildings spans five decades and three completely different construction types, and the useful diligence is different for each. If you are buying or selling in one of them, a thirty-minute conversation about that specific building's capital position and legal history is the right place to start.
Corey Cohen, Principal The Roebling Team at Compass 646.939.7375 · c.cohen@compass.com
Run the numbers
Related architect spotlights
- Costas Kondylis and Partners — the closest peer practice for developer-driven residential towers of the same decades
- SLCE Architects — the other high-volume New York office behind much of this development pipeline
- BKSK Architects — downtown adaptive reuse and infill under landmarks review
Stephen B. Jacobs Group buildings with Roebling building pages
| Building | Completed |
|---|---|
| 130 Barrow Street | 1931 |
| 153 West 21st Street | 2012 |
| 215 Avenue B (The Copper) | 2008 |
| 311 East 11th Street | 2008 |
| The Kingsley (400 East 70th Street) | 1984 |
| 464 West 44th Street (Chatham 44) | 2007 |
| 55 Sullivan Street | 2009 |
| 555 West 23rd Street (555W23) | 2005 |
| 7 East 35th Street | 1979 |
This page reflects publicly available information and The Roebling Team transaction experience, compiled by The Roebling Research Desk from public records and the offering plans held in The Roebling Research Library. The Roebling Team at Compass does not represent any individual building's management, board, or sponsor. Where sources disagree on attribution or biography, the disagreement is noted rather than resolved. © 2026 The Roebling Team at Compass.
Buildings designed by Stephen B. Jacobs Group
