Baum 227 Realty LLC
Office in New York City, NY · 927 McDonald Ave · 11218
At a glance
Baum 227 Realty LLC is a 25,498-square-foot office building at 927 McDonald Ave in New York City, New York, built in 2008. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 57 out of 100 (grade C), a site energy-use intensity of 48.0 kBtu/ft² and 141 tCO₂e of greenhouse-gas emissions. That score is higher than 21% of the 2,519 scored office buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 57 (band C) |
| Site EUI | 48.0 kBtu/ft² |
| Source EUI | 134.0 kBtu/ft² |
| GHG emissions | 141 tCO₂e |
| GHG intensity | 5.5 kgCO₂e/ft² |
| Electricity | 357,202 kWh |
| Natural gas | 49 therms |
| Water use | 261 kgal |
| Gross floor area | 25,498 sq ft |
| Source record | nyc:6667222:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 57 | -9 | 48.0 kBtu/ft² | 141 tCO₂e |
| 2023 | 66 | +29 | 42.0 kBtu/ft² | 116 tCO₂e |
| 2022 | 37 | 43.8 kBtu/ft² | 94 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
- 927 McDonald Ave
- City
- New York City
- State
- New York
- ZIP
- 11218
- Coordinates
- 40.63151, -73.97730
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Baum 227 Realty LLC 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. Baum 227 Realty LLC's ENERGY STAR score of 57 compares with an average of 72 across the 2,519 that report a score; it scores higher than 21% of them and lower than 78%. Its site EUI of 48.0 kBtu/ft² is about 26% below the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.5 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 25,498 sq ft, it is about 88% below the average floor area of 205,440 sq ft for those buildings. It was built in 2008, 68 years later 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 Baum 227 Realty LLC's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Baum 227 Realty LLC, covering report years 2022–2024. Its ENERGY STAR score went from 37 in 2022 to 57 in 2024 (+20 points); its best year on file was 2023, at 66. Site EUI moved from 43.8 kBtu/ft² (2022) to 48.0 kBtu/ft² (2024), an 10% increase. Reported emissions went from 94 tCO₂e to 141 tCO₂e over the same span (up 49%).
What does an ENERGY STAR score of 57 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 57 means the building performs better than about 57% of its national peers. BuildingCensus bands the score into report-card grades; 57 falls in band C — below median (55–69). It sits 18 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
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. Baum 227 Realty LLC's 48.0 kBtu/ft² across 25,498 sq ft works out to about 1.2 billion Btu (359 MWh-equivalent) in 2024. Its source EUI of 134.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 357,202 kWh of electricity, 49 therms of natural gas and 261 thousand gallons of water for the year.
Which law requires Baum 227 Realty LLC to report its energy use?
Baum 227 Realty 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 2024 disclosure (source record nyc:6667222:2024). 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.
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Frequently asked questions
What is Baum 227 Realty LLC's energy grade?
Baum 227 Realty LLC scores 57 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Baum 227 Realty LLC use?
Its 2024 site energy-use intensity was 48.0 kBtu/ft² (134.0 kBtu/ft² source) across 25,498 sq ft, including 357,202 kWh of electricity and 49 therms of natural gas.
What are Baum 227 Realty LLC's carbon emissions?
Baum 227 Realty LLC reported 141 tCO₂e of greenhouse-gas emissions (5.5 kgCO₂e/ft²) for 2024.
Where is Baum 227 Realty LLC?
Baum 227 Realty LLC is at 927 McDonald Ave, in New York City, New York 11218. Its coordinates are 40.63151, -73.97730 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Baum 227 Realty LLC and when was it built?
Baum 227 Realty LLC has 25,498 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2008 as its year built. It is classed as office.
Is Baum 227 Realty LLC 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, “Baum 227 Realty LLC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/baum-227-realty-llc-fff29d8d (data as of October 2, 2026).