Seagram Building Case Study: Plaza, Curtain Wall and Plan (Mies van der Rohe)

The Seagram Building is a 38-storey office tower at 375 Park Avenue in Manhattan, designed by Ludwig Mies van der Rohe with Philip Johnson for the distillers Joseph E. Seagram & Sons and built between 1956 and 1958. Its two lessons for students are the plaza, which pushed the tower about 30 m back from the avenue at a time when New York's rules rewarded filling the lot, and the curtain wall, where bronze I-beams express a steel frame you cannot see.

For the method of a studio or thesis case study, see our field guide on how to document a building.

The brief and the client

Seagram bought the land in 1951: 4,733 sq m (50,950 sq ft) on Park Avenue for $4 million, including the Montana Apartments. According to the LPC designation report (LP-1664, 1989), the company announced in 1954 a tower to mark its centenary in 1957. The commission first went to Pereira & Luckman. Bronfman's daughter Phyllis Lambert, who later became an architect, saw that scheme and persuaded him to look further. After a two-and-a-half-month search she recommended Mies, with Johnson as associate, and became director of planning. Another 836 sq m (9,000 sq ft) was then bought for $900,000.

Seagram would take the first seven storeys, about a third of the office space, and let the rest to more than 115 tenants. The ground floor had to hold a large public space, which became the lobby and two restaurant wings. The LPC records that the cost, about $50 per sq ft including land, was twice the usual figure for an office building of its time.

Seagram Building site plan: Park Avenue in the 1950s

Park Avenue was a street of apartment houses over the covered rail tracks into Grand Central. The LPC explains that the 1916 Zoning Resolution kept it residential north of East 50th Street until a 1929 rezoning allowed offices, a change that took hold only after the Second World War. Lever House (1950 to 1952) by Skidmore, Owings & Merrill had already put a glass slab on the avenue, but many new offices nearby were stepped "ziggurats" in modern dress. The apartment blocks and tenements on the site came down between June 1955 and March 1956.

The plaza against the 1916 zoning setbacks

The 1916 law controlled tall buildings with setbacks. A building could rise straight up from the lot line to a set height and then had to step back, and, as the Skyscraper Museum puts it, the law allowed a tower of unlimited height over 25 per cent of the lot. Developers filled that envelope, which is where the stepped New York skyscraper comes from.

Mies did the opposite. He placed the tower 30.5 m (100 ft) back from Park Avenue behind a raised granite plaza, and the building covers only 52 per cent of its site, by the LPC's count. The Museum of the City of New York notes that the smaller footprint cost floor area, part of which was recovered in the lower blocks behind the tower. There was no plaza bonus to earn in 1954. The Voorhees Walker Smith & Smith proposal of 1958, the basis of the 1961 Zoning Resolution, cited Seagram as a model, and the LPC records that the 1961 code let a building grow larger if it gave the city a public plaza.

The Skyscraper Museum's account of the 1961 law sets out the shift: floor area was now capped by FAR, the sheer tower could cover 40 per cent of the lot instead of 25, and "incentive zoning" traded extra floors for plazas and arcades. If you want the Indian side of setbacks and FAR, see our explainer on setbacks, FAR and height limits in India.

Seagram Building design concept

The LPC traces the tower to Mies's 860 to 880 Lake Shore Drive apartments in Chicago (1948 to 1951) and calls Seagram the refinement of that type. Three ideas carry the design:

• The tower stands in space. The plaza, glass lobby and canopy make the ground floor one continuous floor from street to elevators.
• One module governs everything. Structure, window wall, partitions, lighting and power share one planning grid.
• The frame is shown, not exposed. The steel is encased in concrete, so the facade represents the structure in bronze rather than revealing it.

Historian Franz Schulze, quoted by the LPC, judged it almost unique among Mies's American works for how well it sits in its city.

Seagram Building floor plan and zoning

Ground floor: plaza, lobby and the restaurant wings

The plaza rises three steps above the Park Avenue pavement. It is paved in pink granite, edged on the north and south by long parapets of verde antique marble, and holds two identical rectangular pools. Radiant heating keeps it free of ice.

The tower's first storey is recessed behind the outer row of columns and walled in clear glass. The LPC's lobby report (LP-1665) credits Johnson with the lobby: travertine floors and walls, and a ceiling about 7.3 m (24 ft) high in grey glass mosaic. Travertine paving and a flat canopy run through the glass line, so outside and inside read as one floor. Behind it, the bar and restaurant wings became the Four Seasons Restaurant, designed by Johnson in 1958 to 1959 and listed separately as an interior landmark in the LPC's report LP-1666.

Typical floor: the 8.46 m bay and the 1.41 m module

The LPC calls Seagram the first fully modular modern office tower. Its steel columns stand on 8.46 m (27 ft 9 in) centres, and the interior is planned on a module of 1.41 m (4 ft 7.5 in). Six modules make one bay exactly. Partitions by Hauserman, floor-to-ceiling doors, low perimeter air diffusers, Richard Kelly's lighting and the high- and low-tension power all follow that module, so a partition can meet the window wall at any mullion.

Behind the slab, the plan steps down: a full-height spine at the back of the tower, a ten-storey block the LPC calls the "bustle", and five-storey wings. These lower parts are where the floor area given up to the plaza was partly recovered.

Where to see the real drawings

The real plans and details belong to the archives, and we have not redrawn them. The Museum of Modern Art in New York lists Seagram site plans, floor plans, elevations and details in its online collection, from its Mies van der Rohe Archive. The Canadian Centre for Architecture's Seagram Building series holds Ezra Stoller's photographs of the building and portraits of the design team. The LPC reports linked above have period photographs.

Seagram Building section and structure

In section the building is a 38-storey slab with a tall mechanical floor on top, lower blocks to the east and three basement levels for parking, loading and service. The structure is a steel frame. The LPC records that it was the tallest office building yet erected with high-strength bolts and was unusual for its vertical truss wind bracing. Its structural engineers, now Severud Associates, describe composite steel and concrete braced frames in the core working with moment frames spread through the building.

Exterior columns and all beams are encased in concrete, and interior columns are fireproofed with gypsum block. Floors are 100 mm (4 in) concrete slabs carrying ducts for services.

Seagram Building curtain wall detail and materials

The LPC counts 14,200 sq m (153,000 sq ft) of bronze cladding and 11,300 sq m (122,000 sq ft) of pinkish grey, heat-absorbing tinted glass..

• Mullions: continuous extruded bronze I-beams, 114 x 152 mm (4.5 x 6 in), applied to the face of the wall. They represent structural intent and cast shadow, says the LPC; ArchDaily's AD Classics entry (Adelyn Perez, 2010) also calls the bronze skin nonstructural.
• Spandrels: Muntz metal, a copper-rich alloy close to bronze in colour, which with the glass makes the horizontal bands.
• The back: on parts of the ten-storey block, serpentine marble panels replace the glass.

The LPC says the materials were chosen so that the building would look better with age, and a maintenance programme followed: the bronze wall is oiled every year and the plaza paving is reset from time to time.

Light, climate and services

Mies specified Venetian blinds that stop at only three positions, open, half-closed and closed, with slats fixed at 45 degrees, so the facade stays even by day. Richard Kelly's modular lighting put a band of luminous ceiling panels around each floor's perimeter, and a time clock gave the tower an even glow at night; by 1989, the LPC noted, that night lighting had not been used since the 1970s.

Comfort came from tinted glass, blinds and mechanical services rather than external shading: low perimeter air diffusers kept views clear to the floor, and Jaros, Baum & Bolles were the mechanical engineers.

Reception: critics, owners and problems

Lewis Mumford called it the "Rolls-Royce" of buildings, in the Journal of the AIA in 1959, as quoted by the LPC. The building also had costs and side effects:

• Cost and tax. The 1958 published estimate was $35 million; a Seagram vice-president told the LPC in 1989 it was about $40 million. The city taxed the building on its cost rather than its rental income, and the courts upheld this in 1963 and 1964 because the building also advertised its owner.
• The plaza copies. The 1961 bonus produced many plazas, and William H. Whyte found most of them poor. In City: Rediscovering the Center, reproduced by Project for Public Spaces, he counts Seagram a success: no benches, but about 180 m (600 ft) of ledges and steps people sit on. Johnson recalled that Mies was surprised to see them sitting there. Whyte's findings fed a 1975 amendment that wrote seating into the plaza rules.
• Change of owner and use. Seagram sold the building in 1980 to Teachers Insurance and Annuity Association, under an agreement requiring the buyer to seek landmark status. The Four Seasons Restaurant closed in 2016, and Ken Tan in Hyperallergic (2020) argued that since Aby Rosen bought it in 2000, the building has become less of a civic space.

What designers in India can take from it

This is our reading, not a rule from any source.

1. Design the setback as a room. Indian byelaws force front setbacks on almost every plot, and they usually become parking or a leftover strip. Seagram's setback is a raised floor that runs into the lobby. If you want people to use it, give them ledges: Whyte's team found that people sit at heights between about 0.3 and 0.9 m (one and three feet), and that 760 mm (30 in) was the shallowest ledge they saw used from both sides.
2. Pick one module and make the grid a whole multiple of it. Seagram's bay is exactly six modules, so walls, lights and diffusers never fight the window wall. In Indian offices, where tenants refit often, choose the module from the element you repeat most before you fix the column grid.
3. Do not copy the glass box into Indian heat. Seagram's all-glass wall relied on tinted glass, fixed blinds and full air conditioning. India's Energy Conservation Building Code tightens the rules for glass as the glazed share of a wall rises, and HAREDA's ECBC summary advises less glass on east and west faces. Take the idea of mullions that cast shadow and push it into real fins and reveals. Our guide to green building certification and ECSBC covers the code side.
4. Write maintenance into the specification. Bronze was chosen to age well and is oiled every year. If you specify metal, stone or timber on an Indian facade, hand the client a maintenance schedule with the drawings.

Compare it with our Barcelona Pavilion, Farnsworth House and Glass House case studies, and for typology ideas see our B.Arch thesis topics by typology.

Visiting the Seagram Building

The building is on the east side of Park Avenue between East 52nd and East 53rd Streets in Midtown Manhattan, and the plaza opens straight off the pavement. Read the slab and its setback from the far side of the avenue, then walk up the three steps to the lobby glass. It is a private, working office building; RFR's page lists The Grill and The Lobster Club among its restaurants. We found no official public tour programme.

See how architects on MOA document their own projects: explore projects by MOA members.

FAQ

When was the Seagram Building built?

It was designed in 1954 to 1955 and built in 1956 to 1958. Seagram moved into its offices in December 1957, temporary certificates of occupancy were issued in 1958, and the final certificate followed in 1959, according to the LPC. Some sources give 1954 to 1957 for the whole project.

Who designed the Seagram Building?

Ludwig Mies van der Rohe with Philip Johnson, with Kahn & Jacobs as associate architects preparing the working drawings. Johnson designed the lobby and the Four Seasons Restaurant. Phyllis Lambert chose Mies and served as Seagram's director of planning.

What materials were used in the Seagram Building?

A steel frame encased in concrete, clad in a curtain wall of extruded bronze I-beam mullions, Muntz metal spandrels and pinkish grey heat-absorbing glass. The plaza uses pink granite and verde antique marble, the lobby travertine and grey glass mosaic, and parts of the rear block serpentine marble.

How many floors does the Seagram Building have, and how tall is it?

It has 38 storeys plus a tall mechanical floor and three basement levels. The CTBUH and the Skyscraper Museum give 157 m (515 ft); the LPC describes a 158 m (520 ft) steel frame. The gap probably reflects where each source measures to.

Why is the Seagram Building important?

It set a slab tower back behind a public plaza when the rules rewarded filling the lot, and that example fed into New York's 1961 plaza bonus. It is also, by the LPC's description, the first fully modular modern office tower, with structure, partitions, lighting and power on one grid.

Sources

• New York City Landmarks Preservation Commission: Seagram Building, including the plaza, designation report LP-1664 (3 October 1989). History, client, design team, dimensions, materials, cost, zoning influence, tax case, maintenance (accessed 3 Nov 2026)
• New York City Landmarks Preservation Commission: Seagram Building, first floor interior, designation report LP-1665 (1989). Lobby design and materials (accessed 3 Nov 2026)
• New York City Landmarks Preservation Commission: Four Seasons Restaurant interior, designation report LP-1666 (1989). Scope and dates of the restaurant interior (accessed 3 Nov 2026)
• Museum of the City of New York, The Greatest Grid: Seagram Building. Voorhees proposal, lost floor area, link to the 1961 plaza bonus (accessed 3 Nov 2026)
• The Skyscraper Museum: Impact of 1916 Zoning. Setbacks and the tower over 25 per cent of the lot (accessed 3 Nov 2026)
• The Skyscraper Museum: The 1961 Zoning Law. FAR, incentive zoning, tower coverage from 25 to 40 per cent (accessed 3 Nov 2026)
• The Skyscraper Museum: Seagram Building. Height 515 ft, 38 floors, structural engineer (accessed 3 Nov 2026)
• CTBUH Skyscraper Center: Seagram Building. Height 157 m, construction 1956 to 1958, tower gross floor area 59,457 sq m (accessed 3 Nov 2026)
• Severud Associates: Seagram Building (375 Park Avenue). High-strength bolts, braced core, vertical truss bracing (accessed 3 Nov 2026)
• Project for Public Spaces: Sitwalls, Ledges and Steps, adapted from William H. Whyte, City: Rediscovering the Center (1989). Seagram plaza use, ledge heights and depths, 1975 amendment (accessed 3 Nov 2026)
• ArchDaily: AD Classics: Seagram Building, Adelyn Perez, 10 May 2010. Nonstructural bronze skin, blinds (accessed 3 Nov 2026)
• Hyperallergic: Looking Back at One of Mies van der Rohe's Most Famous Buildings, Ken Tan, 27 March 2020. Later ownership and the Four Seasons closure (accessed 3 Nov 2026)
• RFR: Seagram Building. Current dining and amenities (accessed 3 Nov 2026)
• Canadian Centre for Architecture: Seagram Building, New York, United States (1949 to 1958). Archive of photographs (accessed 3 Nov 2026)
• National Park Service, NPGallery: Seagram Building, National Register record 06000056. National Register listing (accessed 3 Nov 2026)
• Haryana Renewable Energy Development Agency: Brief summary of ECBC. Glazing limits by window-to-wall ratio, east and west glazing advice (accessed 3 Nov 2026)
• Wikimedia Commons: Freedom of panorama. United States: photographs of buildings permitted (accessed 3 Nov 2026)