229 49th Street LLC
Laboratory in New York City, NY · 229 49th Street · 11220
At a glance
229 49th Street LLC is a 33,181-square-foot laboratory building in New York City, New York, built in 2016. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 127.2 kBtu/ft² and 423 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 127.2 kBtu/ft² |
| Source EUI | 321.8 kBtu/ft² |
| GHG emissions | 423 tCO₂e |
| GHG intensity | 12.7 kgCO₂e/ft² |
| Electricity | 1,045,571 kWh |
| Natural gas | 6,546 therms |
| Water use | 2,115 kgal |
| Gross floor area | 33,181 sq ft |
| Source record | nyc:6896880:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 127.2 kBtu/ft² | 423 tCO₂e | |
| 2022 | — | 137.7 kBtu/ft² | 364 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 229 49th Street
- City
- New York City
- State
- New York
- ZIP
- 11220
- Coordinates
- 40.64919, -74.01557
Within ~1 km
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How does 229 49th Street LLC compare with other laboratory buildings in New York City?
The latest disclosures cover 90 laboratory buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 127.2 kBtu/ft² is about 69% below the average of 409.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 12.7 kgCO₂e/ft² is about 56% below the group average of 28.8 kgCO₂e/ft².
At 33,181 sq ft, it is about 89% below the average floor area of 293,236 sq ft for those buildings. It was built in 2016, 51 years later than the group's average year built (1966). Across all 24 jurisdictions BuildingCensus covers, the 795 laboratory buildings average an ENERGY STAR score of 29 and a site EUI of 231.7 kBtu/ft².
How has 229 49th Street LLC's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 229 49th Street LLC, covering report years 2022–2023. Site EUI moved from 137.7 kBtu/ft² (2022) to 127.2 kBtu/ft² (2023), a 8% decrease. Reported emissions went from 364 tCO₂e to 423 tCO₂e over the same span (up 16%).
What does a site EUI of 127.2 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 229 49th Street LLC's 127.2 kBtu/ft² across 33,181 sq ft works out to about 4.2 billion Btu (1,237 MWh-equivalent) in 2023. Its source EUI of 321.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,045,571 kWh of electricity, 6,546 therms of natural gas and 2,115 thousand gallons of water for the year.
Which law requires 229 49th Street LLC to report its energy use?
229 49th Street LLC reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record nyc:6896880:2023). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
More laboratory buildings in New York City
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- CIG > NYBG_727_NYBG: Pfizer Plant Research Laboratory· 24,880 sq ft · EUI 335.2 kBtu/ft²
- CIG > NYBG_715_NYBG: Charles B. Harding Laboratory Building· 23,500 sq ft
- 1617 Poplar St.· 20,300 sq ft · EUI 56.0 kBtu/ft²
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- Laboratory buildings in New York City· 90 benchmarked
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- Most efficient large buildings in New York City
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- Biggest emitters in New York City
Frequently asked questions
What is 229 49th Street LLC's energy grade?
229 49th Street LLC did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 127.2 kBtu/ft².
How much energy does 229 49th Street LLC use?
Its 2023 site energy-use intensity was 127.2 kBtu/ft² (321.8 kBtu/ft² source) across 33,181 sq ft, including 1,045,571 kWh of electricity and 6,546 therms of natural gas.
What are 229 49th Street LLC's carbon emissions?
229 49th Street LLC reported 423 tCO₂e of greenhouse-gas emissions (12.7 kgCO₂e/ft²) for 2023.
Where is 229 49th Street LLC?
229 49th Street LLC is in New York City, New York 11220. Its coordinates are 40.64919, -74.01557 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 229 49th Street LLC and when was it built?
229 49th Street LLC has 33,181 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2016 as its year built. It is classed as laboratory.
Is 229 49th Street LLC covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “229 49th Street LLC, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/229-49th-street-llc-18dba204 (data as of October 2, 2026).