BuildingCensus
A

Mallory Square - Simpson

Multifamily Housing in Montgomery County, MD · 15251 Siesta Key Way · 20850

ENERGY STAR score
99
band A · 2024
Site EUI
23.3
kBtu/ft²
GHG emissions
872
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
426,518
sq ft
Year built
2015
vintage

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

Benchmarking record

FieldValue
ENERGY STAR score99 (band A)
Site EUI23.3 kBtu/ft²
Source EUI65.2 kBtu/ft²
GHG emissions872 tCO₂e
GHG intensity
Electricity2,912,619 kWh
Natural gas0 therms
Gross floor area426,518 sq ft
Source recordmontgomery_county:21667821:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest99+523.3 kBtu/ft²872 tCO₂e
20239422.9 kBtu/ft²873 tCO₂e

Compliance context

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

Montgomery County's BEPS (Bill 16-21) sets declining site-EUI performance standards for covered buildings, phasing in from 2025 with compliance obligations for buildings above interim targets.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
15251 Siesta Key Way
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

Frequently asked questions

What is Mallory Square - Simpson's energy grade?

Mallory Square - Simpson scores 99 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Montgomery County disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Mallory Square - Simpson use?

Its 2024 site energy-use intensity was 23.3 kBtu/ft² (65.2 kBtu/ft² source) across 426,518 sq ft, including 2,912,619 kWh of electricity and 0 therms of natural gas.

What are Mallory Square - Simpson's carbon emissions?

Mallory Square - Simpson reported 872 tCO₂e of greenhouse-gas emissions for 2024. Montgomery County's BEPS (Bill 16-21) sets declining site-EUI performance standards for covered buildings, phasing in from 2025 with compliance obligations for buildings above interim targets.

Dataset updated . Source: Commercial Building Energy Benchmarking disclosure, record montgomery_county:21667821:2024.