BuildingCensus
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40 Southlawn

Other - Recreation in Montgomery County, MD · 40 Southlawn Ct · 20850

At a glance

40 Southlawn is a 62,905-square-foot other - recreation building at 40 Southlawn Ct in Montgomery County, Maryland, built in 2008. In its 2024 Montgomery County benchmarking disclosure it reported a site energy-use intensity of 64.6 kBtu/ft² and 286 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
64.6
kBtu/ft²
GHG emissions
286
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
62,905
sq ft
Year built
2008
vintage

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

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI64.6 kBtu/ft²
Source EUI124.0 kBtu/ft²
GHG emissions286 tCO₂e
GHG intensity—
Electricity592,400 kWh
Natural gas20,414 therms
Gross floor area62,905 sq ft
Source recordmontgomery_county:27985470:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—64.6 kBtu/ft²286 tCO₂e
2023—51.3 kBtu/ft²225 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.

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

Location

Address
40 Southlawn Ct
State
Maryland
ZIP
20850

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 40 Southlawn compare with other other - recreation buildings in Montgomery County?

The latest disclosures cover 24 other - recreation buildings in Montgomery County, out of 1,766 buildings citywide. Its site EUI of 64.6 kBtu/ft² is about half of the average of 141.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 62,905 sq ft, it is about 12% above the average floor area of 56,012 sq ft for those buildings. It was built in 2008, 29 years later than the group's average year built (1980). Across all 24 jurisdictions BuildingCensus covers, the 482 other - recreation buildings average an ENERGY STAR score of 51 and a site EUI of 134.0 kBtu/ft².

How has 40 Southlawn's energy performance changed over time?

BuildingCensus holds 2 Montgomery County disclosures for 40 Southlawn, covering report years 2023–2024. Site EUI moved from 51.3 kBtu/ft² (2023) to 64.6 kBtu/ft² (2024), an 26% increase. Reported emissions went from 225 tCO₂e to 286 tCO₂e over the same span (up 27%).

What does a site EUI of 64.6 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. 40 Southlawn's 64.6 kBtu/ft² across 62,905 sq ft works out to about 4.1 billion Btu (1,191 MWh-equivalent) in 2024. Its source EUI of 124.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 592,400 kWh of electricity and 20,414 therms of natural gas for the year.

Which law requires 40 Southlawn to report its energy use?

40 Southlawn 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:27985470:2024). 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 other - recreation buildings in Montgomery County

Frequently asked questions

What is 40 Southlawn's energy grade?

40 Southlawn did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 64.6 kBtu/ft².

How much energy does 40 Southlawn use?

Its 2024 site energy-use intensity was 64.6 kBtu/ft² (124.0 kBtu/ft² source) across 62,905 sq ft, including 592,400 kWh of electricity and 20,414 therms of natural gas.

What are 40 Southlawn's carbon emissions?

40 Southlawn reported 286 tCO₂e of greenhouse-gas emissions for 2024.

Where is 40 Southlawn?

40 Southlawn is at 40 Southlawn Ct, in Montgomery County, Maryland 20850.

How big is 40 Southlawn and when was it built?

40 Southlawn has 62,905 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2008 as its year built. It is classed as other - recreation.

Is 40 Southlawn 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, “40 Southlawn, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/40-southlawn-cdba3f82 (data as of October 2, 2026).