731 Lexington Avenue, Manhattan
Mixed Use Property in New York City, NY · 723 LEXINGTON AVENUE · 10022
At a glance
731 Lexington Avenue, Manhattan is a 1,402,032-square-foot mixed use property building at 723 LEXINGTON AVENUE in New York City, New York, built in 2003. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 117.9 kBtu/ft² and 17,022 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 117.9 kBtu/ft² |
| Source EUI | 284.1 kBtu/ft² |
| GHG emissions | 17,022 tCO₂e |
| GHG intensity | 12.1 kgCO₂e/ft² |
| Electricity | 36,733,615 kWh |
| Natural gas | 40,399 therms |
| Water use | 30,282 kgal |
| Gross floor area | 1,402,032 sq ft |
| Source record | nyc:1276621:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 117.9 kBtu/ft² | 17,022 tCO₂e | |
| 2023 | — | 123.2 kBtu/ft² | 17,031 tCO₂e | |
| 2022 | 66 | 127.0 kBtu/ft² | 14,209 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
- 723 LEXINGTON AVENUE
- City
- New York City
- State
- New York
- ZIP
- 10022
- Coordinates
- 40.76169, -73.96856
Within ~1 km
Nearby benchmarked buildings
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- 277 Park Avenuescore 64
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- 345 Park Ave LPscore 47
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- 277 Park Avenuescore 55
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See also: most efficient in New York City · biggest emitters
How does 731 Lexington Avenue, Manhattan compare with other mixed use property buildings in New York City?
The latest disclosures cover 395 mixed use property buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 117.9 kBtu/ft² is about 27% above the average of 92.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 12.1 kgCO₂e/ft² is about 54% above the group average of 7.9 kgCO₂e/ft².
At 1,402,032 sq ft, it is about 524% above the average floor area of 224,815 sq ft for those buildings. It was built in 2003, 46 years later than the group's average year built (1958). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has 731 Lexington Avenue, Manhattan's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 731 Lexington Avenue, Manhattan, covering report years 2022–2024. Site EUI moved from 127.0 kBtu/ft² (2022) to 117.9 kBtu/ft² (2024), a 7% decrease. Reported emissions went from 14,209 tCO₂e to 17,022 tCO₂e over the same span (up 20%).
What does a site EUI of 117.9 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. 731 Lexington Avenue, Manhattan's 117.9 kBtu/ft² across 1,402,032 sq ft works out to about 165.3 billion Btu (48,445 MWh-equivalent) in 2024. Its source EUI of 284.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 36,733,615 kWh of electricity, 40,399 therms of natural gas and 30,282 thousand gallons of water for the year.
Which law requires 731 Lexington Avenue, Manhattan to report its energy use?
731 Lexington Avenue, Manhattan 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:1276621:2024). 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 mixed use property buildings in New York City
- East river 473-477 & 568-572· 1,231,250 sq ft · EUI 70.0 kBtu/ft²
- 850 Third Avenue· 1,120,000 sq ft · EUI 37.4 kBtu/ft²
- 1260 AoA (Bld 18, Radio City); 1270 AoA (Bld 10)· 1,096,815 sq ft
- Rego II + The Alexander· 1,060,742 sq ft · EUI 95.7 kBtu/ft²
- 590 Madison Avenue (572 MADISON AVE)· 1,052,597 sq ft · score 72 (B)
- 140 West Street Condominium· 1,014,254 sq ft · EUI 79.5 kBtu/ft²
- Mixed Use Property buildings in New York City· 395 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 731 Lexington Avenue, Manhattan's energy grade?
731 Lexington Avenue, Manhattan did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 117.9 kBtu/ft².
How much energy does 731 Lexington Avenue, Manhattan use?
Its 2024 site energy-use intensity was 117.9 kBtu/ft² (284.1 kBtu/ft² source) across 1,402,032 sq ft, including 36,733,615 kWh of electricity and 40,399 therms of natural gas.
What are 731 Lexington Avenue, Manhattan's carbon emissions?
731 Lexington Avenue, Manhattan reported 17,022 tCO₂e of greenhouse-gas emissions (12.1 kgCO₂e/ft²) for 2024.
Where is 731 Lexington Avenue, Manhattan?
731 Lexington Avenue, Manhattan is at 723 LEXINGTON AVENUE, in New York City, New York 10022. Its coordinates are 40.76169, -73.96856 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 731 Lexington Avenue, Manhattan and when was it built?
731 Lexington Avenue, Manhattan has 1,402,032 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2003 as its year built. It is classed as mixed use property.
Is 731 Lexington Avenue, Manhattan 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, “731 Lexington Avenue, Manhattan, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/731-lexington-avenue-manhattan-9bd2889f (data as of October 2, 2026).