Hyung Hyang Realty Corp - 45 West 29th st
Office in New York City, NY · 45 West 29th st · 10001
At a glance
Hyung Hyang Realty Corp - 45 West 29th st is a 25,974-square-foot office building in New York City, New York, built in 1910. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 65.2 kBtu/ft² and 110 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 65.2 kBtu/ft² |
| Source EUI | 89.9 kBtu/ft² |
| GHG emissions | 110 tCO₂e |
| GHG intensity | 4.2 kgCO₂e/ft² |
| Electricity | 93,228 kWh |
| Natural gas | 13,764 therms |
| Water use | 911 kgal |
| Gross floor area | 25,974 sq ft |
| Source record | nyc:21309837:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 65.2 kBtu/ft² | 110 tCO₂e | |
| 2023 | — | 68.5 kBtu/ft² | 115 tCO₂e | |
| 2022 | — | 64.6 kBtu/ft² | 99 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
- 45 West 29th st
- City
- New York City
- State
- New York
- ZIP
- 10001
- Coordinates
- 40.74624, -73.98904
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Hyung Hyang Realty Corp - 45 West 29th st compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 65.2 kBtu/ft² is roughly in line with the average of 64.5 kBtu/ft². Its emissions intensity of 4.2 kgCO₂e/ft² is about 27% below the group average of 5.8 kgCO₂e/ft².
At 25,974 sq ft, it is about 87% below the average floor area of 205,440 sq ft for those buildings. It was built in 1910, 30 years earlier than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Hyung Hyang Realty Corp - 45 West 29th st's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Hyung Hyang Realty Corp - 45 West 29th st, covering report years 2022–2024. Site EUI moved from 64.6 kBtu/ft² (2022) to 65.2 kBtu/ft² (2024), an 1% increase. Reported emissions went from 99 tCO₂e to 110 tCO₂e over the same span (up 11%).
What does a site EUI of 65.2 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. Hyung Hyang Realty Corp - 45 West 29th st's 65.2 kBtu/ft² across 25,974 sq ft works out to about 1.7 billion Btu (496 MWh-equivalent) in 2024. Its source EUI of 89.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 93,228 kWh of electricity, 13,764 therms of natural gas and 911 thousand gallons of water for the year.
Which law requires Hyung Hyang Realty Corp - 45 West 29th st to report its energy use?
Hyung Hyang Realty Corp - 45 West 29th st 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 2024 disclosure (source record nyc:21309837:2024). 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 office buildings in New York City
- Office, 63 Gansevoort Street· 25,963 sq ft · score 1 (D)
- Brooklyn Stages - 259 Green St· 25,957 sq ft · score 98 (A)
- 101 WATER STREET· 25,900 sq ft · score 28 (D)
- 60-62 East 11 Street· 25,894 sq ft · EUI 13.8 kBtu/ft²
- 15 West 46th Street· 25,877 sq ft · score 44 (D)
- National Energy Cost Services Inc:315-317 WYCKOFF AVENUE· 25,800 sq ft · score 79 (B)
- Office buildings in New York City· 3,384 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is Hyung Hyang Realty Corp - 45 West 29th st's energy grade?
Hyung Hyang Realty Corp - 45 West 29th st did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 65.2 kBtu/ft².
How much energy does Hyung Hyang Realty Corp - 45 West 29th st use?
Its 2024 site energy-use intensity was 65.2 kBtu/ft² (89.9 kBtu/ft² source) across 25,974 sq ft, including 93,228 kWh of electricity and 13,764 therms of natural gas.
What are Hyung Hyang Realty Corp - 45 West 29th st's carbon emissions?
Hyung Hyang Realty Corp - 45 West 29th st reported 110 tCO₂e of greenhouse-gas emissions (4.2 kgCO₂e/ft²) for 2024.
Where is Hyung Hyang Realty Corp - 45 West 29th st?
Hyung Hyang Realty Corp - 45 West 29th st is in New York City, New York 10001. Its coordinates are 40.74624, -73.98904 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Hyung Hyang Realty Corp - 45 West 29th st and when was it built?
Hyung Hyang Realty Corp - 45 West 29th st has 25,974 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1910 as its year built. It is classed as office.
Is Hyung Hyang Realty Corp - 45 West 29th st covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 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, “Hyung Hyang Realty Corp - 45 West 29th st, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/hyung-hyang-realty-corp-45-west-29th-st-54b8df5c (data as of October 2, 2026).