BuildingCensus
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One Central Plaza

Office in Montgomery County, MD · 11300 Rockville Pike · 20852

At a glance

One Central Plaza is a 272,719-square-foot office building at 11300 Rockville Pike in Montgomery County, Maryland, built in 1974. In its 2024 Montgomery County benchmarking disclosure it reported a site energy-use intensity of 39.3 kBtu/ft² and 941 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
39.3
kBtu/ft²
GHG emissions
941
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
272,719
sq ft
Year built
1974
vintage

Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI39.3 kBtu/ft²
Source EUI110.0 kBtu/ft²
GHG emissions941 tCO₂e
GHG intensity—
Electricity3,141,139 kWh
Natural gas0 therms
Gross floor area272,719 sq ft
Source recordmontgomery_county:1556359:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—39.3 kBtu/ft²941 tCO₂e
2023—38.3 kBtu/ft²959 tCO₂e

Compliance context

Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)

Montgomery County's BEPS (Bill 16-21; regulations approved in 2025) sets declining site-EUI standards for buildings of 25,000+ sq ft, with interim and then final standards later this decade and into the 2030s depending on building type.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
11300 Rockville Pike
State
Maryland
ZIP
20852

Within ~1 km

Nearby benchmarked buildings

This source publishes no coordinates, so nearby buildings can't be resolved yet.

See also: most efficient in Montgomery County · biggest emitters

How does One Central Plaza compare with other office buildings in Montgomery County?

The latest disclosures cover 414 office buildings in Montgomery County, out of 1,766 buildings citywide. Its site EUI of 39.3 kBtu/ft² is about 41% below the average of 66.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 272,719 sq ft, it is about twice the average floor area of 132,356 sq ft for those buildings. It was built in 1974, 13 years earlier than the group's average year built (1987). 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 One Central Plaza's energy performance changed over time?

BuildingCensus holds 2 Montgomery County disclosures for One Central Plaza, covering report years 2023–2024. Site EUI moved from 38.3 kBtu/ft² (2023) to 39.3 kBtu/ft² (2024), an 3% increase. Reported emissions went from 959 tCO₂e to 941 tCO₂e over the same span (down 2%).

What does a site EUI of 39.3 kBtu/ft² mean?

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. One Central Plaza's 39.3 kBtu/ft² across 272,719 sq ft works out to about 10.7 billion Btu (3,141 MWh-equivalent) in 2024. Its source EUI of 110.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 3,141,139 kWh of electricity and 0 therms of natural gas for the year.

Which law requires One Central Plaza to report its energy use?

One Central Plaza reports under the Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21), the legal basis of Montgomery County's Commercial 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 montgomery_county:1556359:2024). Montgomery County's BEPS (Bill 16-21; regulations approved in 2025) sets declining site-EUI standards for buildings of 25,000+ sq ft, with interim and then final standards later this decade and into the 2030s depending on building type.

More office buildings in Montgomery County

Frequently asked questions

What is One Central Plaza's energy grade?

One Central Plaza did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 39.3 kBtu/ft².

How much energy does One Central Plaza use?

Its 2024 site energy-use intensity was 39.3 kBtu/ft² (110.0 kBtu/ft² source) across 272,719 sq ft, including 3,141,139 kWh of electricity and 0 therms of natural gas.

What are One Central Plaza's carbon emissions?

One Central Plaza reported 941 tCO₂e of greenhouse-gas emissions for 2024.

Where is One Central Plaza?

One Central Plaza is at 11300 Rockville Pike, in Montgomery County, Maryland 20852.

How big is One Central Plaza and when was it built?

One Central Plaza has 272,719 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1974 as its year built. It is classed as office.

Is One Central Plaza covered by the Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)?

Yes — it appears in the 2024 Commercial Building Energy Benchmarking disclosure, which lists the buildings reporting under the Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21).

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About this data

Source: Commercial Building Energy Benchmarking (Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “One Central Plaza, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/one-central-plaza-10730043 (data as of October 2, 2026).