BuildingCensus
C

1255 23rd Street

Office in Washington, DC, DC · 1255 23rd Street, NW · 20037

ENERGY STAR score
64
band C · 2024
Site EUI
48.2
kBtu/ft²
GHG emissions
1,519
tCO₂e
GHG intensity
4.2
kgCO₂e/ft²
Floor area
358,737
sq ft
Year built
1982
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 score64 (band C)
Site EUI48.2 kBtu/ft²
Source EUI135.1 kBtu/ft²
GHG emissions1,519 tCO₂e
GHG intensity4.2 kgCO₂e/ft²
Electricity5,071,243 kWh
Natural gas0 therms
Water use2,714 kgal
Gross floor area358,737 sq ft
Source recorddc:PM1030284:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest64-1048.2 kBtu/ft²1,519 tCO₂e
202374-1040.7 kBtu/ft²1,312 tCO₂e
202284+435.0 kBtu/ft²1,094 tCO₂e
202180-135.7 kBtu/ft²1,190 tCO₂e
202081+837.6 kBtu/ft²1,292 tCO₂e
201973-652.9 kBtu/ft²1,817 tCO₂e
201879-1347.7 kBtu/ft²1,732 tCO₂e
201792+245.9 kBtu/ft²1,825 tCO₂e
20169049.7 kBtu/ft²2,044 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

DWF V 1255 23RD STREET LLC

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Location

Address
1255 23rd Street, NW
State
District of Columbia
ZIP
20037
Coordinates
38.90640, -77.04979

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 1255 23rd Street's energy grade?

1255 23rd Street scores 64 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 1255 23rd Street use?

Its 2024 site energy-use intensity was 48.2 kBtu/ft² (135.1 kBtu/ft² source) across 358,737 sq ft, including 5,071,243 kWh of electricity and 0 therms of natural gas.

What are 1255 23rd Street's carbon emissions?

1255 23rd Street reported 1,519 tCO₂e of greenhouse-gas emissions (4.2 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:PM1030284:2024.