BuildingCensus
–

Armstrong

K-12 School in Washington, DC, DC · 1400 First Street, NW · 20001

At a glance

Armstrong is a 170,547-square-foot K-12 school at 1400 First Street, NW in Washington, DC, built in 1900.

ENERGY STAR score
—
not reported · 2024
Site EUI
—
kBtu/ft²
GHG emissions
—
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
170,547
sq ft
Year built
1900
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Clean and Affordable Energy Act / BEPS · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI—
Source EUI—
GHG emissions—
GHG intensity—
Electricity2,047,317 kWh
Natural gas14,231 therms
Gross floor area170,547 sq ft
Source recorddc:PM4924642:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest———
202320-1552.2 kBtu/ft²628 tCO₂e
202235-1148.9 kBtu/ft²635 tCO₂e
202146+840.5 kBtu/ft²583 tCO₂e
202038+642.1 kBtu/ft²623 tCO₂e
201932-249.6 kBtu/ft²726 tCO₂e
201834-6650.0 kBtu/ft²727 tCO₂e
2017100+3710.0 kBtu/ft²189 tCO₂e
20166333.5 kBtu/ft²655 tCO₂e
2015———

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.

Program details →

Ownership

FRIENDSHIP PUBLIC CHARTER SCHOOL INC

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

Location

Address
1400 First Street, NW
State
District of Columbia
ZIP
20001
Coordinates
38.90932, -77.01325

Within ~1 km

Nearby benchmarked buildings

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

How does Armstrong compare with other K-12 school buildings in Washington, DC?

The latest disclosures cover 333 K-12 school buildings in Washington, DC, out of 6,870 buildings citywide.

At 170,547 sq ft, it is about 61% above the average floor area of 105,946 sq ft for those buildings. It was built in 1900, 49 years earlier than the group's average year built (1949). Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².

How has Armstrong's energy performance changed over time?

BuildingCensus holds 10 Washington, DC disclosures for Armstrong, covering report years 2015–2024. Its ENERGY STAR score went from 63 in 2016 to 20 in 2023 (-43 points); its best year on file was 2017, at 100. Site EUI moved from 33.5 kBtu/ft² (2016) to 52.2 kBtu/ft² (2023), an 56% increase. Reported emissions went from 655 tCO₂e to 628 tCO₂e over the same span (down 4%).

Which law requires Armstrong to report its energy use?

Armstrong 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:PM4924642:2024). 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 K-12 school buildings in Washington, DC

Frequently asked questions

What is Armstrong's energy grade?

Armstrong did not report an ENERGY STAR score in its 2024 disclosure.

How much energy does Armstrong use?

No energy-use intensity was reported for 2024.

What are Armstrong's carbon emissions?

No greenhouse-gas emissions figure was reported for 2024.

Where is Armstrong?

Armstrong is at 1400 First Street, NW, in Washington, DC 20001. Its coordinates are 38.90932, -77.01325 (latitude, longitude), as published in the Building Energy Benchmarking file.

How big is Armstrong and when was it built?

Armstrong has 170,547 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as K-12 school.

Is Armstrong 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.

Working with Washington, DC building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Armstrong, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/armstrong-6791ad8c (data as of July 9, 2026).