Bmr-21 Firstfield Llc
Mixed Use Property in Montgomery County, MD · 21 Firstfield Rd · 20878
At a glance
Bmr-21 Firstfield Llc is a 53,464-square-foot mixed use property building at 21 Firstfield Rd in Montgomery County, Maryland, built in 1978. In its 2024 Montgomery County benchmarking disclosure it reported a site energy-use intensity of 299.6 kBtu/ft² and 1,194 tCO₂e of greenhouse-gas emissions.
Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 299.6 kBtu/ft² |
| Source EUI | 638.6 kBtu/ft² |
| GHG emissions | 1,194 tCO₂e |
| GHG intensity | — |
| Electricity | 2,900,996 kWh |
| Natural gas | 61,193 therms |
| Gross floor area | 53,464 sq ft |
| Source record | montgomery_county:5849415:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 299.6 kBtu/ft² | 1,194 tCO₂e | |
| 2023 | — | 232.9 kBtu/ft² | 966 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.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 21 Firstfield Rd
- State
- Maryland
- ZIP
- 20878
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 Bmr-21 Firstfield Llc compare with other mixed use property buildings in Montgomery County?
The latest disclosures cover 38 mixed use property buildings in Montgomery County, out of 1,766 buildings citywide. Its site EUI of 299.6 kBtu/ft² is about 171% above the average of 110.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 53,464 sq ft, it is about 74% below the average floor area of 208,346 sq ft for those buildings. It was built in 1978, 14 years earlier than the group's average year built (1992). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has Bmr-21 Firstfield Llc's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for Bmr-21 Firstfield Llc, covering report years 2023–2024. Site EUI moved from 232.9 kBtu/ft² (2023) to 299.6 kBtu/ft² (2024), an 29% increase. Reported emissions went from 966 tCO₂e to 1,194 tCO₂e over the same span (up 24%).
What does a site EUI of 299.6 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. Bmr-21 Firstfield Llc's 299.6 kBtu/ft² across 53,464 sq ft works out to about 16 billion Btu (4,694 MWh-equivalent) in 2024. Its source EUI of 638.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,900,996 kWh of electricity and 61,193 therms of natural gas for the year.
Which law requires Bmr-21 Firstfield Llc to report its energy use?
Bmr-21 Firstfield Llc 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:5849415:2024). 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 mixed use property buildings in Montgomery County
- 5 Research Court· 51,520 sq ft · EUI 214.4 kBtu/ft²
- Tower Oaks Professional Park 3202· 49,790 sq ft · score 91 (A)
- Fire Station #01· 35,894 sq ft · EUI 111.4 kBtu/ft²
- Mv Medical Plaza· 33,688 sq ft · EUI 20.2 kBtu/ft²
- Gb Shades Real Estate· 33,000 sq ft
- Action City Church· 29,633 sq ft · EUI 40.6 kBtu/ft²
- Mixed Use Property buildings in Montgomery County· 38 benchmarked
- All Montgomery County benchmarked buildings· Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)
- Most efficient large buildings in Montgomery County
- Least efficient large buildings in Montgomery County
- Biggest emitters in Montgomery County
Frequently asked questions
What is Bmr-21 Firstfield Llc's energy grade?
Bmr-21 Firstfield Llc did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 299.6 kBtu/ft².
How much energy does Bmr-21 Firstfield Llc use?
Its 2024 site energy-use intensity was 299.6 kBtu/ft² (638.6 kBtu/ft² source) across 53,464 sq ft, including 2,900,996 kWh of electricity and 61,193 therms of natural gas.
What are Bmr-21 Firstfield Llc's carbon emissions?
Bmr-21 Firstfield Llc reported 1,194 tCO₂e of greenhouse-gas emissions for 2024.
Where is Bmr-21 Firstfield Llc?
Bmr-21 Firstfield Llc is at 21 Firstfield Rd, in Montgomery County, Maryland 20878.
How big is Bmr-21 Firstfield Llc and when was it built?
Bmr-21 Firstfield Llc has 53,464 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1978 as its year built. It is classed as mixed use property.
Is Bmr-21 Firstfield Llc 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, “Bmr-21 Firstfield Llc, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/bmr-21-firstfield-llc-7949b8a0 (data as of October 2, 2026).