BUILDING ENTRANCE
BUILDING LOBBY
PENTHOUSE/37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
STACKING PLAN
9 8 7 6 5 4 3 2
Available
PREBUILD
PREBUILD PANTRY
ELEVATOR LOBBY
SAMPLE TENANT BUILDOUT
SAMPLE TENANT BUILDOUT
SAMPLE TENANT BUILDOUT
BATHROOMS
SUITE 600 — 4,838 RSF EXISTING CONDITIONS WITH FURNITURE
FLOOR KEY: Total Office Workstation
3
32
Conference Room
1 1 1
Pantry
UP
DN
UP
DN
IT Room
Total Personnel
35
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ENITRE 26TH FLOOR — 8,925 RSF EXISTING CONDITIONS
FLOOR KEY: Total Office Workstation
3
24
Conference Room
4 1 1 1 1
Reception
Pantry
Phone Room
Copy/ Print Room
Total Personnel
28
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ENTIRE 26TH FLOOR
ENTIRE 26TH FLOOR
ENTIRE 26TH FLOOR
ENTIRE 26TH FLOOR
ENTIRE 26TH FLOOR
ENITRE 27TH FLOOR — 8,925 RSF EXISTING CONDITIONS
FLOOR KEY: Total Office Workstation
6
57
Conference Room
3 1 1 1
Pantry
Phone Room
Copy/Storage Room
Total Personnel
63
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ENTIRE 27TH FLOOR
ENTIRE 27TH FLOOR
ENTIRE 27TH FLOOR
ENTIRE 27TH FLOOR
ENTIRE 27TH FLOOR
SUITE 3000 — 3,674 RSF EXISTING CONDITIONS WITH FURNITURE
FLOOR KEY: Total Office Workstation
7 5 1 1
Conference Room
UP
DN
UP
DN
Cafe
Total Personnel
12
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ENTIRE 31ST FLOOR — 8,925 RSF EXISTING CONDITIONS WITH FURNITURE
FLOOR KEY: Total Office Workstation
14
4 3 1 1 1 1
Conference Room
Meeting Room
Reception
Cafe
IT/Storage
Total Personnel
19
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NEIGHBORHOOD MAP
CLUBS AND ASSOCIATIONS RESTAURANTS/MARKETS HOTELS RETAIL
BUILDING SPECIFICATIONS
location
Entrances on both 52nd and 53rd Streets between Madison and Fifth Avenue
year built
1971
architect
Emery Roth & Sons
building size
392,849
building height
Thirty-seven (37) Floors
building construction
Structural steel frame construction, comprised of columns, girders and beams encased in concrete The facade is a curtain wall system of bronze duranotic aluminum mullions and spandrel panels with tinted glass
floor sizes
Floor 2 Floor 3
9,921 rsf 11,997 rsf 16,406 rsf
Floors 4-9
Floors 11-37
8,462-8,926 rsf
floor load
50 pounds per square foot
typical slab heights
11’ 6”
column spacing
21’ on center
elevators
Nine (9) passenger cars, one (1) freight elevator car Loading dock located on 52nd Street side of the building
hvac / supplemental
The building HVAC system is a central chilled water plant with constant volume The fan system consists of two (2) 650 ton York high pressure steam paraflow absorbers Perimeter steam heat supplied from Con Edison Operating hours are Monday-Friday 8:00 AM - 8:00 PM
cooling
electric
The building is fed by two (2) Con Edison feeds from an electrical vault on 53rd Street Approximately six (6) watts per square foot (exclusive of base building HVAC) is allocated for tenant use
life / safety
Class E fire alarm system (Notifier CPU2-3030D) • The system monitors heat sensitive sprinkler heads, tamper and flow devices, smoke detectors, smoke trip devices, alarm and strobe devices, stairwell pressurization fans, and elevator recall and door releases • The system also has communication capabilities and is tied into the PA System and warden phones are provided at the passenger elevator lobbies throughout the building and also at the freight elevator lobby
security / access
The building security desk is manned 24 hours a day, 7 days a week Turnstiles with access cards for tenants in the lobby CCTV surveillance in public areas and all elevators
telecom / cable
Cogent, Crown Castle Fiber, Verizon Wired Certified Platinum, DAS
transportation
The building is located in close proximately to the 6,E,M,B,D and F subway lines
amenities
Equinox “E Club” and Blue Bottle Coffee located in building Landscaped public seating adjacent to both 53rd and 52nd Street entrances to the building
SUSTAINABILITY AT SL GREEN
HIGHLIGHTS
AIR • HVAC systems are equipped with MERV-14 media filters that capture airborne particles, exceeding the requirements of New York City’s Energy Code. • Mechanical systems increase the supply of outdoor air and continuously cycle fresh, filtered air throughout the building. • Base building air quality is assured by WellStat, a monitoring system that provides real-time air quality levels that measure indicators including carbon dioxide, particulate matter, VOCs, temperature, humidity, and more. • Building staff are required to use low VOC emitting products including solvents, carpets, adhesives, paints, and coatings to maintain optimal indoor air quality. BUILDING HEALTH & SAFETY • 10 East 53rd Street is WELL Health-Safety Rated, under an evidence-based, third-party verification of the effectiveness of our operational and maintenance protocols. • Janitorial staff conduct high frequency cleaning and sanitization using green cleaning products. • Construction materials used at 10 East 53rd Street are LEED-compliant, recycled, responsibly sourced, and non-toxic. • SL Green provides training on emergency preparedness and workplace safety to building occupants and coordinates response drills quarterly. ENERGY • 10 East 53rd Street is equipped with automated control systems. • LED lighting systems are installed throughout building common areas to increase energy efficiency. • SL Green’s Engineering team uses a real-time energy management platform (iES EnergyDesk) to monitor energy use in 15-minute intervals and respond to building conditions promptly. • SL Green invests in capital upgrades and commissions building systems to ensure they are maximining performance. RECYCLING • 10 East 53rd Street deploys a color-coordinated recycling procedure to minimize waste sent to landfills. • We conduct annual waste audits to identify areas for waste diversion improvement and develop corrective action plans. • We offer free recycling training sessions to tenants. • Janitorial staff uses double-barrel waste bins to ensure waste streams remain separated and are trained annually to maintain recycling best practices. • We offer complimentary e-waste pick-up to tenants to ensure materials are properly recycled. WATER • Existing toilets, urinals, faucets, and showers have been upgraded with low-flow fixtures, performing 20% above code requirements for water conservation. • Building engineers review water logs daily to compare trends and identify potential water loss. • SL Green disinfects cooling towers twice a year and conducts testing for legionella bacteria every 90 days.
SUSTAINABILITY AT SL GREEN
BUILDING ACHIEVEMENTS
TENANT PARTNERSHIPS
• SL Green partners with tenants to pursue incentives such as the NYSERDA RTEM + Tenant Program, which provides funding to install software in tenant spaces that gives real-time insights on energy usage. The software can help tenants identify measures to reduce their energy usage.
• We promote recognition of tenant sustainability practices through the Tenant ENERGY STAR program. • If interested in additional partnership opportunities, please contact the SL Green sustainability team.
ORGANIZATIONAL SOCIAL RESPONSIBILITY
Company-wide ESG Initiatives
• Bloomberg ESG Disclosure score among “Top 10” of all REITs listed on the Russell 1000 Index • Top Quartile on Refinitiv (formerly Thomson Reuters) ESG performance among all Commercial REITs globally in ESG Performance • MSCI’s Environment Category Top 15% Ranking (Opportunities in Green Buildings) in 2022 • Achieved a “5 Star” rating on GRESB, the organization’s highest accolade • S&P Global Sustainability Yearbook members (2022, 2023) • Green Lease Leaders Platinum Award (2023-2026) • CDP’s Climate Change Questionnaire score of “B” for 2020, 2021, and 2022 • State Street’s R-Factor Score “Leader” ranking for top 10% performance in Real Estate Industry • ENERGY STAR Partner of the Year – Sustained Excellence (2018, 2019, 2020, 2021, 2022, 2023) • Annual voluntary ESG disclosures through leading frameworks SASB, GRI, CDP, S&P CSA (DJSI) • Seeded Food1st Foundation, a not-for-profit organization with a $1.5M investment, which has resulted in over one million meals donated to food-insecure New Yorkers and first responders • Sustainalytics’ 2023 Top-Rated ESG Companies List • Top 10% in ISS Corporate ESG Performance • Named to Newsweek’s list of America’s Most Responsible Companies 2023 • Validated our Scope 1, 2, & 3 emissions reduction targets aligned with the SBTi’s 1.5-degree Celsius scenario
For more information, visit sustainability.slgreen.com or email sustainability@slgreen.com.
SL Green Realty Corp., Manhattan’s largest office landlord, is a fully integrated real estate investment trust, or REIT, that is focused primarily on acquiring, managing and maximizing value of Manhattan commercial properties. As of March 31, 2025, SL Green held interests in 55 buildings totaling 30.8 million square feet . This included ownership interests in 27.2 million square feet of Manhattan buildings and 2.8 million square feet securing debt and preferred equity investments.
Gary Rosen Senior Managing Director 212.216.1687 gary.rosen@slgreen.com
Howard Tenenbaum Executive Vice President 212.216.1685 howard.tenenbaum@slgreen.com
Siena Green Associate 212.356.4120 siena.green@slgreen.com
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