BuildingCensus
B

Longfellow Apartments

Multifamily Housing in Washington, DC, DC · 5521 Colorado Avenue, NW · 20011

ENERGY STAR score
79
band B · 2017
Site EUI
65.1
kBtu/ft²
GHG emissions
281
tCO₂e
GHG intensity
4.2
kgCO₂e/ft²
Floor area
66,218
sq ft
Year built
1932
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Clean and Affordable Energy Act / BEPS · reporting year 2017

Benchmarking record

FieldValue
ENERGY STAR score79 (band B)
Site EUI65.1 kBtu/ft²
Source EUI96.8 kBtu/ft²
GHG emissions281 tCO₂e
GHG intensity4.2 kgCO₂e/ft²
Electricity264,380 kWh
Natural gas34,083 therms
Water use6,403 kgal
Gross floor area66,218 sq ft
Source recorddc:PM3982489:2017

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2017latest79+265.1 kBtu/ft²281 tCO₂e
201677-768.8 kBtu/ft²303 tCO₂e
201584-1173.7 kBtu/ft²311 tCO₂e
20149568.8 kBtu/ft²262 tCO₂e
201369.0 kBtu/ft²259 tCO₂e

Compliance context

Clean and Affordable Energy Act / BEPS

DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve on 5-year compliance cycles, with penalties for buildings that fail to meet their pathway.

Program details →

Ownership

LONFELLOW COLARDO ASSO LLC

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Location

Address
5521 Colorado Avenue, NW
State
District of Columbia
ZIP
20011
Coordinates
38.95696, -77.03213

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Washington, DC · biggest emitters

Frequently asked questions

What is Longfellow Apartments's energy grade?

Longfellow Apartments scores 79 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2017 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Longfellow Apartments use?

Its 2017 site energy-use intensity was 65.1 kBtu/ft² (96.8 kBtu/ft² source) across 66,218 sq ft, including 264,380 kWh of electricity and 34,083 therms of natural gas.

What are Longfellow Apartments's carbon emissions?

Longfellow Apartments reported 281 tCO₂e of greenhouse-gas emissions (4.2 kgCO₂e/ft²) for 2017. DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve on 5-year compliance cycles, with penalties for buildings that fail to meet their pathway.

Dataset updated . Source: Building Energy Benchmarking disclosure, record dc:PM3982489:2017.