Montgomery Tower - Bethesda - Us0024
Office in Montgomery County, MD · 4550 Montgomery Ave · 20814
At a glance
Montgomery Tower - Bethesda - Us0024 is a 369,805-square-foot office building at 4550 Montgomery Ave in Montgomery County, Maryland, built in 1980. In its 2024 Montgomery County benchmarking disclosure it reported an ENERGY STAR score of 82 out of 100 (grade B), a site energy-use intensity of 40.5 kBtu/ft² and 1,313 tCO₂e of greenhouse-gas emissions. That score is higher than 70% 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 | 82 (band B) |
| Site EUI | 40.5 kBtu/ft² |
| Source EUI | 113.3 kBtu/ft² |
| GHG emissions | 1,313 tCO₂e |
| GHG intensity | — |
| Electricity | 4,385,603 kWh |
| Natural gas | 0 therms |
| Gross floor area | 369,805 sq ft |
| Source record | montgomery_county:1056822:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 82 | ±0 | 40.5 kBtu/ft² | 1,313 tCO₂e |
| 2023 | 82 | 39.7 kBtu/ft² | 1,320 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
- 4550 Montgomery Ave
- State
- Maryland
- ZIP
- 20814
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 Montgomery Tower - Bethesda - Us0024 compare with other office buildings in Montgomery County?
The latest disclosures cover 414 office buildings in Montgomery County, out of 1,766 buildings citywide. Montgomery Tower - Bethesda - Us0024's ENERGY STAR score of 82 compares with an average of 63 across the 325 that report a score; it scores higher than 70% of them and lower than 28%. Its site EUI of 40.5 kBtu/ft² is about 39% below the average of 66.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 369,805 sq ft, it is about 179% above the average floor area of 132,356 sq ft for those buildings. It was built in 1980, 7 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 Montgomery Tower - Bethesda - Us0024's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for Montgomery Tower - Bethesda - Us0024, covering report years 2023–2024. Its ENERGY STAR score was 82 in both 2023 and 2024. Site EUI moved from 39.7 kBtu/ft² (2023) to 40.5 kBtu/ft² (2024), an 2% increase. Reported emissions went from 1,320 tCO₂e to 1,313 tCO₂e over the same span (down 1%).
What does an ENERGY STAR score of 82 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 82 means the building performs better than about 82% of its national peers. BuildingCensus bands the score into report-card grades; 82 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Montgomery Tower - Bethesda - Us0024's 40.5 kBtu/ft² across 369,805 sq ft works out to about 15 billion Btu (4,389 MWh-equivalent) in 2024. Its source EUI of 113.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,385,603 kWh of electricity and 0 therms of natural gas for the year.
Which law requires Montgomery Tower - Bethesda - Us0024 to report its energy use?
Montgomery Tower - Bethesda - Us0024 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:1056822:2024). 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
- Two White Flint North 2017-2022· 364,000 sq ft · score 92 (A)
- Dc/Glc 10138/Fairland Data Ctr/13101 Columbia Pike/Silver Spring/Md· 356,179 sq ft · EUI 160.0 kBtu/ft²
- General Conference Corporation Of Seventh-Day Adventist 1· 352,000 sq ft · score 62 (C)
- 7500 Old Georgetown Road· 350,105 sq ft · score 84 (B)
- Bethesda Crossing East & West Towers· 348,961 sq ft · score 82 (B)
- Lithium Llc· 346,000 sq ft
- 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 Montgomery Tower - Bethesda - Us0024's energy grade?
Montgomery Tower - Bethesda - Us0024 scores 82 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 Montgomery Tower - Bethesda - Us0024 use?
Its 2024 site energy-use intensity was 40.5 kBtu/ft² (113.3 kBtu/ft² source) across 369,805 sq ft, including 4,385,603 kWh of electricity and 0 therms of natural gas.
What are Montgomery Tower - Bethesda - Us0024's carbon emissions?
Montgomery Tower - Bethesda - Us0024 reported 1,313 tCO₂e of greenhouse-gas emissions for 2024.
Where is Montgomery Tower - Bethesda - Us0024?
Montgomery Tower - Bethesda - Us0024 is at 4550 Montgomery Ave, in Montgomery County, Maryland 20814.
How big is Montgomery Tower - Bethesda - Us0024 and when was it built?
Montgomery Tower - Bethesda - Us0024 has 369,805 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1980 as its year built. It is classed as office.
Is Montgomery Tower - Bethesda - Us0024 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, “Montgomery Tower - Bethesda - Us0024, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/montgomery-tower-bethesda-us0024-d7b92792 (data as of October 2, 2026).