BuildingCensus
C

The Gillco Building

Office in Montgomery County, MD · 11810 Parklawn Dr · 20852

ENERGY STAR score
61
band C · 2024
Site EUI
51.6
kBtu/ft²
GHG emissions
146
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
36,588
sq ft
Year built
1969
vintage

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

Benchmarking record

FieldValue
ENERGY STAR score61 (band C)
Site EUI51.6 kBtu/ft²
Source EUI116.7 kBtu/ft²
GHG emissions146 tCO₂e
GHG intensity—
Electricity382,807 kWh
Natural gas5,828 therms
Gross floor area36,588 sq ft
Source recordmontgomery_county:24901755:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest61+251.6 kBtu/ft²146 tCO₂e
20235948.1 kBtu/ft²144 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
11810 Parklawn Dr
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

Frequently asked questions

What is The Gillco Building's energy grade?

The Gillco Building scores 61 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Montgomery County disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does The Gillco Building use?

Its 2024 site energy-use intensity was 51.6 kBtu/ft² (116.7 kBtu/ft² source) across 36,588 sq ft, including 382,807 kWh of electricity and 5,828 therms of natural gas.

What are The Gillco Building's carbon emissions?

The Gillco Building reported 146 tCO₂e of greenhouse-gas emissions for 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.

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Dataset updated . Source: Commercial Building Energy Benchmarking disclosure, record montgomery_county:24901755:2024.