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| Type of Space | Class A/month | Class B/month | Class C/month |
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| Windowed office/person | $ 2100 | $ 3083 | $ 775 |
| Interior office/person | $ 1350 | $ 2583 | $ 525 |
| Team Rooms | $ 10100 | $ 9833 | $ 5025 |
| Suites | $ 20100 | $ 13833 | $ 7025 |
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| Building Address: | 1487 First Ave, New York NY 10075 |
| Building Name: | Maison 78 |
| Zip Code: | 10075 |
| Neighborhood: | Lenox Hill |
| Borough: | Manhattan |
| Stories: | 0 |
| Year Built: | 2025 |
| Building Class: | B |
1487 First Avenue is a newly constructed 35-story residential building located on Manhattan’s Upper East Side at the southwestern corner of First Avenue and East 78th Street. The project was developed by Carmel Partners, who purchased the property from Robert Chou for $73.5 million in early 2022. Designed by Hill West Architects, the building rises 404 feet tall and contains 206 condominium units alongside 7,120 square feet of ground-floor retail space and a cellar level.
Construction began with foundation work in late 2023, progressing rapidly as the reinforced concrete superstructure rose above street level. The building features a façade combining floor-to-ceiling glass framed by an irregular grid of light gray brick, with a denser masonry presence on the lower levels that gives way to larger glass expanses on the upper stories. Multiple setbacks occur at the top of the podium and below the mechanical extension, adding architectural interest to the structure.
The development benefited from a $153 million construction loan secured from Northwestern Mutual in September 2023, enabling swift progress. By June 2024, the building topped out, with its distinctive gray brick and glass façade enclosing the tower fully to its midpoint. The overall design and construction reflect a modern architectural approach fitting the Lenox Hill section of the Upper East Side, contributing a significant new residential presence to the neighborhood.
Address: 1487 First Avenue, New York, NY 10075
Neighborhood: Lenox Hill/Upper East Side
Height: 35 stories, 404 feet
Units: 206 condominiums
Features: 7,120 sq ft ground-floor retail, gray brick façade with floor-to-ceiling windows, dark bronze metal paneling
Developer: Carmel Partners
Architect: Hill West Architects
Construction: Topped out June 2024, façade nearing completion December 2024
Residents of 1487 First Ave enjoy a wide range of amenities designed for comfort, convenience, and security.
1487 First Avenue is a 24-story mixed-use building located in the Lenox Hill section of Manhattan's Upper East Side, completed in 2025. It features multifamily residential units with a high-rise apartment style and a total building size of approximately 148,073 square feet.
The building offers a range of amenities including 24-hour access, a business center, controlled access, concierge service, fitness center, laundry facilities, tenant-controlled HVAC, gated entry, doorman, package service, pet play area, bicycle storage, car charging stations, elevators, online services, pet washing stations, and smoke detectors.
Currently, the property features 148 residential units. While retail space is available at the property, specific details about office tenants currently rented or leased are not publicly disclosed.
Internet providers available at 1487 First Ave, Manhattan, NYC:
Verizon Fios: Offers fiber internet with speeds up to 2.3 Gbps.
Spectrum: Provides cable internet with speeds up to 1 Gbps.
1487 1st Ave, Manhattan, NYC
Transportation: This location is easily accessible by multiple forms of public transportation. The nearest subway lines include the 4, 6, 6X trains, while buses such as the M15 and M15-SBS are also available nearby. For those using the PATH train, connections can be made at nearby stations.
Cross Streets: The property is located between East 76th Street and East 77th Street.
Why Optimal Spaces –
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Why Use a Tenant Broker: Your Advocate in Commercial Real Estate
1. The Crucial Distinction: Whose Side Are They On?
  2. It Almost Always Costs You Nothing
3. Access to “Hidden” Inventory
4. Negotiating Beyond Base Rent
   5. Time Savings & Process Management
6. Mitigating Risk (the “Gotchas”)
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