BuildingCensus
B

1800 Massachusetts Avenue NW (SEIU)

Office in Washington, DC, DC · 1800 Massachusetts Avenue, NW · 20036

ENERGY STAR score
78
band B · 2024
Site EUI
44.5
kBtu/ft²
GHG emissions
849
tCO₂e
GHG intensity
3.9
kgCO₂e/ft²
Floor area
217,543
sq ft
Year built
1978
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Clean and Affordable Energy Act / BEPS · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score78 (band B)
Site EUI44.5 kBtu/ft²
Source EUI124.5 kBtu/ft²
GHG emissions849 tCO₂e
GHG intensity3.9 kgCO₂e/ft²
Electricity2,835,296 kWh
Natural gas0 therms
Water use1,809 kgal
Gross floor area217,543 sq ft
Source recorddc:PM1326957:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest78-444.5 kBtu/ft²849 tCO₂e
202382+542.6 kBtu/ft²833 tCO₂e
202277-244.5 kBtu/ft²843 tCO₂e
202179-241.4 kBtu/ft²836 tCO₂e
202081+341.7 kBtu/ft²843 tCO₂e
201978+152.3 kBtu/ft²1,056 tCO₂e
201877-1653.5 kBtu/ft²1,113 tCO₂e
201793+4342.2 kBtu/ft²1,019 tCO₂e
201650-4581.3 kBtu/ft²2,028 tCO₂e
201595+138.7 kBtu/ft²1,086 tCO₂e
201494+639.3 kBtu/ft²1,033 tCO₂e
201388+352.8 kBtu/ft²1,369 tCO₂e
20128559.9 kBtu/ft²1,765 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

1800 MASSACHUSETTS AVENUE CORP

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Location

Address
1800 Massachusetts Avenue, NW
State
District of Columbia
ZIP
20036
Coordinates
38.90878, -77.04226

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 1800 Massachusetts Avenue NW (SEIU)'s energy grade?

1800 Massachusetts Avenue NW (SEIU) scores 78 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 1800 Massachusetts Avenue NW (SEIU) use?

Its 2024 site energy-use intensity was 44.5 kBtu/ft² (124.5 kBtu/ft² source) across 217,543 sq ft, including 2,835,296 kWh of electricity and 0 therms of natural gas.

What are 1800 Massachusetts Avenue NW (SEIU)'s carbon emissions?

1800 Massachusetts Avenue NW (SEIU) reported 849 tCO₂e of greenhouse-gas emissions (3.9 kgCO₂e/ft²) for 2024. 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:PM1326957:2024.