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Rent/Lease Office 343 Madison Ave

Lease Office 343 Madison Ave

$ / SF SF Monthly Rent
Negotiable
19,600
Negotiable
Please notify me when a new space is available
$ / SF SF Monthly Rent
$ / SF SF Monthly Rent

Nearby Sublease office Spaces for Rent

Address $ / SF SF Monthly Rent
Fifth Ave & East 44th Street $ 65
13,500
$ 73,125
E 42nd St & Lexington Avenue $ 40
55,700
$ 183,345
5th Ave & East 44th Street $ 70
9,600
$ 55,600
Park Ave & East 45th Street $ 100
9,700
$ 80,833
Third Ave & East 39th Street $ 35
49,100
$ 143,208
Lexington Ave & East 43rd Street $ 54
12,900
$ 58,587
Address $ / SF SF Monthly Rent
Park Ave & East 40th Street $ 65
4,300
$ 23,291
Lexington Ave & East 41st Street $ 59
3,800
$ 18,683
5th Ave & East 44th Street $ 70
7,000
$ 40,833
E 42nd St & Lexington Avenue $ 49
4,800
$ 19,600
Park Ave & East 39th Street $ 99
4,200
$ 34,650
Fifth Ave & East 44th Street $ 50
3,300
$ 13,750
Address $ / SF SF Monthly Rent
Fifth Ave & East 45th Street $ 50
2,100
$ 8,750
Address $ / SF SF Monthly Rent
Lexington Ave & East 41st Street $ 25
7,300
$ 15,056
Fifth Ave & East 45th Street $ 40
10,300
$ 34,333
Address $ / SF SF Monthly Rent
Madison Ave & East 40th Street $ 59
4,200
$ 20,562
Fifth Ave & East 45th Street $ 50
3,400
$ 14,166
Lexington Ave & East 41st Street $ 26
5,600
$ 12,250
E 42nd St & Park Avenue $ 42
5,100
$ 17,850
E 42nd St & Lexington Avenue $ 51
4,800
$ 20,400
Fifth Ave & East 44th Street $ 52
3,300
$ 14,162
E 41st St & Fifth Avenue $ 47
2,700
$ 10,575
Address $ / SF SF Monthly Rent
Fifth Ave & East 45th Street $ 52
2,100
$ 9,012
Lexington Ave & East 40th Street $ 42
2,100
$ 7,262
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Type of Space Class A/month Class B/month Class C/month
Windowed office/person
Interior office/person
Team Rooms
Suites

Nearby office Spaces for Rent

Address $ / SF SF Monthly Rent
E 40th St & Fifth Avenue $ 70
8,100
$ 47,250
Park Ave & East 41st Avenue $ 175
12,200
$ 177,916
Third Ave & East 46th Street $ 81
12,100
$ 81,675
Fifth Ave & East 40th Street $ 85
11,200
$ 79,333
Address $ / SF SF Monthly Rent
E 40th St & Fifth Avenue $ 70
6,400
$ 37,333
Third Ave & East 46th Street $ 62
4,100
$ 21,183
Vanderbilt Ave & East 44th Street $ 49
5,300
$ 21,641
Third Ave & East 40th Street $ 63
3,600
$ 18,900
Address $ / SF SF Monthly Rent
Lexington Ave & East 41st Street $ 57
1,500
$ 7,125
E 44th St & East 44th Street $ 82
2,300
$ 15,716
E 45th St & Lexington Avenue $ 75
2,400
$ 15,000
Lexington Ave & East 42nd Street $ 61
1,500
$ 7,625
Third Ave & East 41st Street $ 55
1,700
$ 7,791
Park Ave & East 41st Street $ 85
2,300
$ 16,291
Address $ / SF SF Monthly Rent
Madison Ave & East 40th Street $ 66
14,600
$ 79,691
Vanderbilt Ave & East 44th Street $ 81
8,100
$ 54,675
E 42nd St & Park Avenue $ 59
9,700
$ 47,691
Fifth Ave & East 42nd Street $ 58
7,400
$ 35,766
E 44th St & Third Avenue $ 58
8,400
$ 40,600
Fifth Ave & East 45th Street $ 68
7,900
$ 44,766
Address $ / SF SF Monthly Rent
Madison Ave & East 41st Avenue $ 58
5,700
$ 27,312
Madison Ave & East 40th Street $ 76
3,600
$ 22,950
Vanderbilt Ave & East 44th Street $ 52
4,000
$ 17,166
Second Ave & East 43rd Street $ 56
4,800
$ 22,400
Madison Ave & East 39th Street $ 52
2,700
$ 11,587
Lexington Ave & East 41st Street $ 62
3,700
$ 18,962
E 42nd St & Park Avenue $ 66
6,700
$ 36,850
Fifth Ave & East 42nd Street $ 60
3,800
$ 19,000
E 44th St & Third Avenue $ 48
4,500
$ 18,000
Madison Ave & East 40th Street $ 55
2,500
$ 11,458
Fifth Ave & East 45th Street $ 84
6,800
$ 47,600
E 45th St & Fifth Avenue $ 55
3,800
$ 17,416
Address $ / SF SF Monthly Rent
Madison Ave & East 40th Street $ 67
1,700
$ 9,491
Second Ave & East 43rd Street $ 59
2,300
$ 11,308
Madison Ave & East 39th Street $ 52
1,900
$ 8,233
Fifth Ave & East 42nd Street $ 60
1,600
$ 8,000
Madison Ave & East 41st Avenue $ 55
2,000
$ 9,166
E 42nd St & Madison Avenue $ 69
2,100
$ 12,075
E 42nd St & Lexington Avenue $ 61
2,200
$ 11,183
E 44th St & Fifth Avenue $ 55
2,200
$ 10,083
Lexington Ave & East 44th Street $ 55
1,500
$ 6,875
Address $ / SF SF Monthly Rent
Fifth Ave & East 39th Street $ 52
7,300
$ 31,633
E 39th St & Fifth Avenue $ 40
7,900
$ 26,004
Fifth Ave & Between East 42nd Street $ 84
9,200
$ 64,400
Address $ / SF SF Monthly Rent
E 40th St & Lexington Avenue $ 50
3,000
$ 12,500
Fifth Ave & Between East 42nd Street $ 85
6,000
$ 42,500
Address $ / SF SF Monthly Rent
E 40th St & Lexington Avenue $ 50
1,600
$ 6,733

Retail Spaces for Rent at 343 Madison Ave

Rent Medical Space at 343 Madison Ave

Tenant Broker’s Perspective: Return-to-office mandates are driving up rental prices at 343 Madison Ave. This trend is projected to continue. Opportunities for subleases remain available at 343 Madison Ave and in the nearby Grand Central neighborhood.
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343 Madison Ave Property Overview

Building Address: 343 Madison Ave, New York NY 10017
Zip Code:10017
Neighborhood:Grand Central
Borough:Manhattan
Stories:46
Year Built:2028
Building Class:A

343 Madison Avenue, Manhattan, NYC

343 Madison Avenue is a landmark project in Midtown Manhattan, designed for the future of work. The site is set to host a state-of-the-art, all-electric office tower aiming for a LEED Platinum certification.

The current development includes a proposed approximately 925,630-gross-square-foot building, with a height of up to 1,050 feet, incorporating offices, retail spaces, and improvements to transit access.

Historically, the area around 343 Madison Avenue has been significant for its cultural and architectural contributions. Notable nearby buildings include the Lefcourt-National Building and the Pan Am/MetLife Building, featuring iconic architectural styles from different eras.

The property itself does not have archaeological significance, according to environmental reviews conducted in 2020.

Designed to integrate with the city's infrastructure, 343 Madison Avenue will provide a direct connection to Grand Central Madison and enhance the public realm with expanded pedestrian spaces.

343 Madison Avenue is a 46-story, Class-A office tower located in Midtown Manhattan, NYC. Designed by Kohn Pedersen Fox, this all-electric building stands over 800 feet tall and features landscaped setbacks leading to an amenity level with co-working, conference spaces, a high-end lounge, and both indoor and outdoor dining areas.

The building offers wide column-free spaces with floor-to-ceiling glass windows, maximizing daylight and promoting occupant well-being. Its design emphasizes sustainability, relying on air-source heat pumps and targeting LEED Platinum certification. It aims to be carbon neutral upon the decarbonization of New York City’s energy grid.

Situated near Grand Central Terminal, the tower includes public realm improvements such as sidewalk expansions and a direct connection to Grand Central Madison. Amenities include biophilic terraces and a hospitality-forward program.

The property features a high-performance façade with curved glazing elements and is expected to complete construction in 2026.


343 Madison Avenue Amenities

This 46-story Class-A office building offers a range of luxurious amenities:

  • Co-working and Conference Spaces: Located on the top floors, these areas include indoor-outdoor biophilic terraces.
  • High-end Lounge: Offers indoor and outdoor dining options with spectacular city views.
  • Lobby Café: Convenient location for casual dining and meetings.
  • Bicycle Storage: Includes end-of-trip facilities such as showers and cabanas.
  • Sustainability Features: Fully electric, zero-carbon design with LEED Platinum and WELL Core certifications.

Located near Grand Central Terminal, it provides convenient access to major transportation lines.


343 Madison Avenue, situated in the heart of Manhattan, NYC, is a 46-story commercial office tower. Designed by Kohn Pedersen Fox and developed by BXP, the building offers 950,000 square feet of office space.

Key features include column-free floor plates ranging from 22,000 to 27,500 square feet, providing flexible spaces for various office configurations. The building is fully electric and targets LEED Platinum certification, utilizing air-source heat pumps for energy efficiency.

Amenities encompass double-height lounges and conference spaces on the top floors, along with biophilic terraces offering stunning city views. Additionally, there is a lobby café and bicycle storage with end-of-trip facilities.

Located near Grand Central Terminal, it provides easy access to public transportation, making it an ideal location for financial services firms.

Construction is expected to be completed by 2029, offering a prestigious address in Midtown Manhattan.


343 Madison Avenue, Manhattan, NYC, benefits from various internet service providers in the area. Some of the notable providers include:

  1. Verizon Fios: Known for its high speeds and reliability, offering plans with speeds up to 2 Gbps.
  2. Astound Broadband Powered by RCN: Offers both cable and fiber services with speeds reaching up to 1.5 Gbps.
  3. Spectrum: Provides cable internet with speeds up to 1 Gbps.

These providers offer a range of plans suitable for different needs and budgets.


343 Madison Avenue is located in Midtown East, Manhattan, NYC. It is positioned between East 44th and East 45th Streets.

For transportation, the property is near Grand Central Terminal, providing access to subway lines 4, 5, 6, 7, and the Shuttle to Times Square. Additionally, Metro-North Railroad and Long Island Rail Road services are available via Grand Central Madison.

Public transit options include buses such as M34-SBS, M42, and trains from the Metro-North and Long Island Rail Road. The nearest subway stations include Grand Central-42 St and 33 St, served by the 4, 5, 6, and 7 trains.

Cross streets include East 44th Street and East 45th Street.


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Tenant Representation: Optimal Spaces acts exclusively as a "Tenant Broker," only representing tenants, never landlords.
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Why Optimal Spaces –
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  • No fee for clients renting space.
  • We work for YOU, not the landlord.
  • Save 15–20% on your business costs.
  • Save 100–200 hours of research.
  • Access to all available spaces.
  • Specialized real estate expertise.

Alone or with other broker

  • Miss deals and hard-to-find spaces.
  • Potential conflict of interest (often represent landlords).
  • Only 10% of available spaces are online.
  • Lack of specialized expertise.
  • May not get the best terms or uncover hidden costs.
Why Use a Tenant Broker: Your Advocate in Commercial Real Estate
1. The Crucial Distinction: Whose Side Are They On?
Landlord Rep (Listing Agent) — Fiduciary Duty: Landlord. Highest rent, best terms for landlord.
Tenant Rep (Tenant Broker) — Fiduciary Duty: Tenant Only. Lowest rent, best terms for tenant. Levels the playing field.
2. It Almost Always Costs You Nothing
3. Access to “Hidden” Inventory
4. Negotiating Beyond Base Rent
Landlord pays the broker fee — free expert representation for the tenant.
Access to hidden inventory: off-market listings, subleases, and future availabilities via broker databases and networks.
Negotiating beyond base rent: free rent, TI allowance, OPEX caps, and lease flexibility for renewal or expansion.
5. Time Savings & Process Management
6. Mitigating Risk (the “Gotchas”)
Tenant broker handles searching, scheduling, and RFPs — your outsourced real estate department with curated options and timeline management.
Mitigating risk: spotting pitfalls in LOI and lease such as restoration clauses and holdover penalties.
Summary: Don’t rely on the landlord’s agent. A tenant broker is your advocate, provides better data, negotiates a complete package, and typically costs you nothing.

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