50 W Edmonston: Tenley Professional Building
Office in Montgomery County, MD · 50 West Edmonston Drive · 20852
At a glance
50 W Edmonston: Tenley Professional Building is a 51,706-square-foot office building at 50 West Edmonston Drive in Montgomery County, Maryland, built in 1964. In its 2024 Montgomery County benchmarking disclosure it reported an ENERGY STAR score of 74 out of 100 (grade B), a site energy-use intensity of 54.3 kBtu/ft² and 210 tCO₂e of greenhouse-gas emissions. That score is higher than 55% of the 325 scored office buildings in Montgomery County.
Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 74 (band B) |
| Site EUI | 54.3 kBtu/ft² |
| Source EUI | 116.2 kBtu/ft² |
| GHG emissions | 210 tCO₂e |
| GHG intensity | — |
| Electricity | 511,731 kWh |
| Natural gas | 10,637 therms |
| Gross floor area | 51,706 sq ft |
| Source record | montgomery_county:5899393:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 74 | ±0 | 54.3 kBtu/ft² | 210 tCO₂e |
| 2023 | 74 | 52.0 kBtu/ft² | 208 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
- 50 West Edmonston Drive
- 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 50 W Edmonston: Tenley Professional Building compare with other office buildings in Montgomery County?
The latest disclosures cover 414 office buildings in Montgomery County, out of 1,766 buildings citywide. 50 W Edmonston: Tenley Professional Building's ENERGY STAR score of 74 compares with an average of 63 across the 325 that report a score; it scores higher than 55% of them and lower than 43%. Its site EUI of 54.3 kBtu/ft² is about 18% below the average of 66.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 51,706 sq ft, it is about 61% below the average floor area of 132,356 sq ft for those buildings. It was built in 1964, 23 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 50 W Edmonston: Tenley Professional Building's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for 50 W Edmonston: Tenley Professional Building, covering report years 2023–2024. Its ENERGY STAR score was 74 in both 2023 and 2024. Site EUI moved from 52.0 kBtu/ft² (2023) to 54.3 kBtu/ft² (2024), an 4% increase. Reported emissions went from 208 tCO₂e to 210 tCO₂e over the same span (up 1%).
What does an ENERGY STAR score of 74 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 74 means the building performs better than about 74% of its national peers. BuildingCensus bands the score into report-card grades; 74 falls in band B — above median (70–84). It sits 1 points below 75, the threshold for ENERGY STAR certification. In Montgomery County, 53% of scored buildings are at 75 or above.
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. 50 W Edmonston: Tenley Professional Building's 54.3 kBtu/ft² across 51,706 sq ft works out to about 2.8 billion Btu (823 MWh-equivalent) in 2024. Its source EUI of 116.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 511,731 kWh of electricity and 10,637 therms of natural gas for the year.
Which law requires 50 W Edmonston: Tenley Professional Building to report its energy use?
50 W Edmonston: Tenley Professional Building 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:5899393:2024). 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
- 3200 Tower Oaks· 51,340 sq ft · score 15 (D)
- 2098 Gaither Road· 51,220 sq ft · score 100 (A)
- 2096 Gaither Road· 51,200 sq ft
- Tower Oaks Professional Park 3204· 51,176 sq ft · score 92 (A)
- Tower Oaks Professional Park 3206· 51,072 sq ft · score 63 (C)
- Meadows Corporate Park Ii· 51,024 sq ft · score 83 (B)
- Office buildings in Montgomery County· 414 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 50 W Edmonston: Tenley Professional Building's energy grade?
50 W Edmonston: Tenley Professional Building scores 74 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 Montgomery County disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 50 W Edmonston: Tenley Professional Building use?
Its 2024 site energy-use intensity was 54.3 kBtu/ft² (116.2 kBtu/ft² source) across 51,706 sq ft, including 511,731 kWh of electricity and 10,637 therms of natural gas.
What are 50 W Edmonston: Tenley Professional Building's carbon emissions?
50 W Edmonston: Tenley Professional Building reported 210 tCO₂e of greenhouse-gas emissions for 2024.
Where is 50 W Edmonston: Tenley Professional Building?
50 W Edmonston: Tenley Professional Building is at 50 West Edmonston Drive, in Montgomery County, Maryland 20852.
How big is 50 W Edmonston: Tenley Professional Building and when was it built?
50 W Edmonston: Tenley Professional Building has 51,706 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1964 as its year built. It is classed as office.
Is 50 W Edmonston: Tenley Professional Building 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, “50 W Edmonston: Tenley Professional Building, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/50-w-edmonston-tenley-professional-building-f34280cd (data as of October 2, 2026).