BuildingCensus
B

Astor Condominiums

Multifamily Housing in New York City, NY · 31 - 35 31st St · 11101

ENERGY STAR score
82
band B · 2024
Site EUI
44.3
kBtu/ft²
GHG emissions
358
tCO₂e
GHG intensity
4.1
kgCO₂e/ft²
Floor area
87,932
sq ft
Year built
2010
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score82 (band B)
Site EUI44.3 kBtu/ft²
Source EUI95.0 kBtu/ft²
GHG emissions358 tCO₂e
GHG intensity4.1 kgCO₂e/ft²
Electricity714,309 kWh
Natural gas14,604 therms
Water use2,202 kgal
Gross floor area87,932 sq ft
Source recordnyc:3111942:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest82+144.3 kBtu/ft²358 tCO₂e
202381+944.9 kBtu/ft²344 tCO₂e
20227250.1 kBtu/ft²324 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.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
31 - 35 31st St
State
New York
ZIP
11101
Coordinates
40.76395, -73.92377

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in New York City · biggest emitters

Frequently asked questions

What is Astor Condominiums's energy grade?

Astor Condominiums scores 82 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 Astor Condominiums use?

Its 2024 site energy-use intensity was 44.3 kBtu/ft² (95.0 kBtu/ft² source) across 87,932 sq ft, including 714,309 kWh of electricity and 14,604 therms of natural gas.

What are Astor Condominiums's carbon emissions?

Astor Condominiums reported 358 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 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.

Dataset updated . Source: Energy and Water Data Disclosure disclosure, record nyc:3111942:2024.