BuildingCensus
B

721 HART STREET

Multifamily Housing in New York City, NY · 721 Hart Street · 11221

ENERGY STAR score
84
band B · 2023
Site EUI
35.1
kBtu/ft²
GHG emissions
102
tCO₂e
GHG intensity
3.8
kgCO₂e/ft²
Floor area
26,581
sq ft
Year built
2017
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2023

Benchmarking record

FieldValue
ENERGY STAR score84 (band B)
Site EUI35.1 kBtu/ft²
Source EUI98.4 kBtu/ft²
GHG emissions102 tCO₂e
GHG intensity3.8 kgCO₂e/ft²
Electricity273,788 kWh
Gross floor area26,581 sq ft
Source recordnyc:33631121:2023

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.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
721 Hart Street
State
New York
ZIP
11221
Coordinates
40.69960, -73.92504

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 721 HART STREET's energy grade?

721 HART STREET scores 84 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 721 HART STREET use?

Its 2023 site energy-use intensity was 35.1 kBtu/ft² (98.4 kBtu/ft² source) across 26,581 sq ft, including 273,788 kWh of electricity.

What are 721 HART STREET's carbon emissions?

721 HART STREET reported 102 tCO₂e of greenhouse-gas emissions (3.8 kgCO₂e/ft²) for 2023. 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:33631121:2023.