Elyachar: 1100 Madison Ave.
Multifamily Housing in New York City, NY · 1100 Madison Avenue · 10028
At a glance
Elyachar: 1100 Madison Ave. is a 114,433-square-foot multifamily housing building at 1100 Madison Avenue in New York City, New York, built in 1911. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 72 out of 100 (grade B), a site energy-use intensity of 59.9 kBtu/ft² and 493 tCO₂e of greenhouse-gas emissions. That score is higher than 53% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 72 (band B) |
| Site EUI | 59.9 kBtu/ft² |
| Source EUI | 94.6 kBtu/ft² |
| GHG emissions | 493 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 608,045 kWh |
| Natural gas | 47,825 therms |
| Water use | 2,971 kgal |
| Gross floor area | 114,433 sq ft |
| Source record | nyc:7069150:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 72 | +15 | 59.9 kBtu/ft² | 493 tCO₂e |
| 2023 | 57 | 63.3 kBtu/ft² | 504 tCO₂e | |
| 2022 | — | 69.0 kBtu/ft² | 489 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
- 1100 Madison Avenue
- City
- New York City
- State
- New York
- ZIP
- 10028
- Coordinates
- 40.77852, -73.96053
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Elyachar: 1100 Madison Ave. compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Elyachar: 1100 Madison Ave.'s ENERGY STAR score of 72 compares with an average of 63 across the 22,829 that report a score; it scores higher than 53% of them and lower than 46%. Its site EUI of 59.9 kBtu/ft² is about 20% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.3 kgCO₂e/ft² is about 17% below the group average of 5.2 kgCO₂e/ft².
At 114,433 sq ft, it is about 13% above the average floor area of 100,951 sq ft for those buildings. It was built in 1911, 41 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Elyachar: 1100 Madison Ave.'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Elyachar: 1100 Madison Ave., covering report years 2022–2024. Its ENERGY STAR score went from 57 in 2023 to 72 in 2024 (+15 points). Site EUI moved from 69.0 kBtu/ft² (2022) to 59.9 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 489 tCO₂e to 493 tCO₂e over the same span (up 1%).
What does an ENERGY STAR score of 72 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 72 means the building performs better than about 72% of its national peers. BuildingCensus bands the score into report-card grades; 72 falls in band B — above median (70–84). It sits 3 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. Elyachar: 1100 Madison Ave.'s 59.9 kBtu/ft² across 114,433 sq ft works out to about 6.9 billion Btu (2,009 MWh-equivalent) in 2024. Its source EUI of 94.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 608,045 kWh of electricity, 47,825 therms of natural gas and 2,971 thousand gallons of water for the year.
Which law requires Elyachar: 1100 Madison Ave. to report its energy use?
Elyachar: 1100 Madison Ave. 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:7069150:2024). 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 multifamily housing buildings in New York City
- PRINCE PROPERTY : 36-36 Prince· 114,412 sq ft · EUI 157.1 kBtu/ft²
- 407 Park Avenue South - CEC· 114,407 sq ft · score 43 (D)
- Fairfield - 43-60 Douglaston Parkway· 114,402 sq ft · score 58 (C)
- 67-30 Clyde Street (SEP Only)· 114,400 sq ft
- 67-30 CLYDE STREET· 114,400 sq ft · score 49 (D)
- 67-30 Clyde Street· 114,400 sq ft · score 68 (C)
- Multifamily Housing buildings in New York City· 33,022 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 Elyachar: 1100 Madison Ave.'s energy grade?
Elyachar: 1100 Madison Ave. scores 72 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Elyachar: 1100 Madison Ave. use?
Its 2024 site energy-use intensity was 59.9 kBtu/ft² (94.6 kBtu/ft² source) across 114,433 sq ft, including 608,045 kWh of electricity and 47,825 therms of natural gas.
What are Elyachar: 1100 Madison Ave.'s carbon emissions?
Elyachar: 1100 Madison Ave. reported 493 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2024.
Where is Elyachar: 1100 Madison Ave.?
Elyachar: 1100 Madison Ave. is at 1100 Madison Avenue, in New York City, New York 10028. Its coordinates are 40.77852, -73.96053 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Elyachar: 1100 Madison Ave. and when was it built?
Elyachar: 1100 Madison Ave. has 114,433 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1911 as its year built. It is classed as multifamily housing.
Is Elyachar: 1100 Madison Ave. 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, “Elyachar: 1100 Madison Ave., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/elyachar-1100-madison-ave-523a5fcf (data as of October 2, 2026).