BuildingCensus
B

4049 South Capitol Street SW - Washington

Office in Washington, DC, DC · 4049 South Capitol Street SW · 20032

At a glance

4049 South Capitol Street SW - Washington is a 29,915-square-foot office building in Washington, DC, built in 2016. In its 2024 Washington, DC benchmarking disclosure it reported an ENERGY STAR score of 75 out of 100 (grade B), a site energy-use intensity of 36.0 kBtu/ft² and 93 tCO₂e of greenhouse-gas emissions. That score is higher than 48% of the 774 scored office buildings in Washington, DC.

ENERGY STAR score
75
band B · 2024
Site EUI
36.0
kBtu/ft²
GHG emissions
93
tCO₂e
GHG intensity
3.1
kgCO₂e/ft²
Floor area
29,915
sq ft
Year built
2016
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 score75 (band B)
Site EUI36.0 kBtu/ft²
Source EUI98.8 kBtu/ft²
GHG emissions93 tCO₂e
GHG intensity3.1 kgCO₂e/ft²
Electricity305,492 kWh
Natural gas341 therms
Water use110 kgal
Gross floor area29,915 sq ft
Source recorddc:PM20474538:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest75-136.0 kBtu/ft²93 tCO₂e
202376-134.9 kBtu/ft²92 tCO₂e
20227736.2 kBtu/ft²91 tCO₂e

Compliance context

Clean and Affordable Energy Act / BEPS

DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.

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Ownership

WASHINGTON DC I SGF LLC

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Location

Address
4049 South Capitol Street SW
State
District of Columbia
ZIP
20032
Coordinates
38.82999, -77.00815

Within ~1 km

Nearby benchmarked buildings

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

How does 4049 South Capitol Street SW - Washington compare with other office buildings in Washington, DC?

The latest disclosures cover 899 office buildings in Washington, DC, out of 6,870 buildings citywide. 4049 South Capitol Street SW - Washington's ENERGY STAR score of 75 compares with an average of 70 across the 774 that report a score; it scores higher than 48% of them and lower than 50%. Its site EUI of 36.0 kBtu/ft² is about 35% below the average of 55.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.1 kgCO₂e/ft² is about 38% below the group average of 5.0 kgCO₂e/ft².

At 29,915 sq ft, it is about 86% below the average floor area of 216,135 sq ft for those buildings. It was built in 2016, 42 years later than the group's average year built (1974). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².

How has 4049 South Capitol Street SW - Washington's energy performance changed over time?

BuildingCensus holds 3 Washington, DC disclosures for 4049 South Capitol Street SW - Washington, covering report years 2022–2024. Its ENERGY STAR score went from 77 in 2022 to 75 in 2024 (-2 points); its best year on file was 2022, at 77. Site EUI moved from 36.2 kBtu/ft² (2022) to 36.0 kBtu/ft² (2024), a 1% decrease. Reported emissions went from 91 tCO₂e to 93 tCO₂e over the same span (up 2%).

What does an ENERGY STAR score of 75 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 75 means the building performs better than about 75% of its national peers. BuildingCensus bands the score into report-card grades; 75 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. In Washington, DC, 47% of scored buildings are at 75 or above.

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 4049 South Capitol Street SW - Washington's 36.0 kBtu/ft² across 29,915 sq ft works out to about 1.1 billion Btu (316 MWh-equivalent) in 2024. Its source EUI of 98.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 305,492 kWh of electricity, 341 therms of natural gas and 110 thousand gallons of water for the year.

Which law requires 4049 South Capitol Street SW - Washington to report its energy use?

4049 South Capitol Street SW - Washington reports under the Clean and Affordable Energy Act / BEPS, the legal basis of Washington, DC's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record dc:PM20474538:2024). DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.

More office buildings in Washington, DC

Frequently asked questions

What is 4049 South Capitol Street SW - Washington's energy grade?

4049 South Capitol Street SW - Washington scores 75 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 4049 South Capitol Street SW - Washington use?

Its 2024 site energy-use intensity was 36.0 kBtu/ft² (98.8 kBtu/ft² source) across 29,915 sq ft, including 305,492 kWh of electricity and 341 therms of natural gas.

What are 4049 South Capitol Street SW - Washington's carbon emissions?

4049 South Capitol Street SW - Washington reported 93 tCO₂e of greenhouse-gas emissions (3.1 kgCO₂e/ft²) for 2024.

Where is 4049 South Capitol Street SW - Washington?

4049 South Capitol Street SW - Washington is in Washington, DC 20032. Its coordinates are 38.82999, -77.00815 (latitude, longitude), as published in the Building Energy Benchmarking file.

How big is 4049 South Capitol Street SW - Washington and when was it built?

4049 South Capitol Street SW - Washington has 29,915 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2016 as its year built. It is classed as office.

Is 4049 South Capitol Street SW - Washington covered by the Clean and Affordable Energy Act / BEPS?

Yes — it appears in the 2024 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Clean and Affordable Energy Act / BEPS.

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About this data

Source: Building Energy Benchmarking (Clean and Affordable Energy Act / BEPS), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “4049 South Capitol Street SW - Washington, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/4049-south-capitol-street-sw-washington-b7bbf4bc (data as of July 9, 2026).