20162-Gaithersburg / E.Diamond Ave
Self-Storage Facility in Montgomery County, MD · 500 E Diamond Ave · 20877
At a glance
20162-Gaithersburg / E.Diamond Ave is a 65,492-square-foot self-storage facility at 500 E Diamond Ave in Montgomery County, Maryland, built in 2020. In its 2024 Montgomery County benchmarking disclosure it reported a site energy-use intensity of 3.3 kBtu/ft² and 19 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 | 3.3 kBtu/ft² |
| Source EUI | 5.8 kBtu/ft² |
| GHG emissions | 19 tCO₂e |
| GHG intensity | — |
| Electricity | 26,778 kWh |
| Natural gas | 0 therms |
| Gross floor area | 65,492 sq ft |
| Source record | montgomery_county:33394837:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 3.3 kBtu/ft² | 19 tCO₂e | |
| 2023 | — | 2.7 kBtu/ft² | 16 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
- 500 E Diamond Ave
- State
- Maryland
- ZIP
- 20877
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 20162-Gaithersburg / E.Diamond Ave compare with other self-storage facility buildings in Montgomery County?
The latest disclosures cover 54 self-storage facility buildings in Montgomery County, out of 1,766 buildings citywide. Its site EUI of 3.3 kBtu/ft² is about 67% below the average of 10.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 65,492 sq ft, it is about 24% below the average floor area of 86,269 sq ft for those buildings. It was built in 2020, 18 years later than the group's average year built (2002). Across all 24 jurisdictions BuildingCensus covers, the 3,050 self-storage facility buildings average an ENERGY STAR score of 75 and a site EUI of 9.4 kBtu/ft².
How has 20162-Gaithersburg / E.Diamond Ave's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for 20162-Gaithersburg / E.Diamond Ave, covering report years 2023–2024. Site EUI moved from 2.7 kBtu/ft² (2023) to 3.3 kBtu/ft² (2024), an 22% increase. Reported emissions went from 16 tCO₂e to 19 tCO₂e over the same span (up 21%).
What does a site EUI of 3.3 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. 20162-Gaithersburg / E.Diamond Ave's 3.3 kBtu/ft² across 65,492 sq ft works out to about 0.2 billion Btu (63 MWh-equivalent) in 2024. Its source EUI of 5.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 26,778 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 20162-Gaithersburg / E.Diamond Ave to report its energy use?
20162-Gaithersburg / E.Diamond Ave 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:33394837:2024). 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 self-storage facility buildings in Montgomery County
- 8442-Gaithersburg· 60,857 sq ft · EUI 12.9 kBtu/ft²
- 3034-Gaithersburg - Diamond Ave· 59,749 sq ft · EUI 13.9 kBtu/ft²
- 22316-Silverspring/Burlington· 58,385 sq ft · EUI 6.4 kBtu/ft²
- 0119-Rockville - Parklawn Drive· 56,354 sq ft · EUI 15.1 kBtu/ft²
- 26606-Rockville / Randolph Rd· 54,910 sq ft · EUI 5.7 kBtu/ft²
- Acorn Self Storage Kensington· 54,705 sq ft · EUI 11.1 kBtu/ft²
- Self-Storage Facility buildings in Montgomery County· 54 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 20162-Gaithersburg / E.Diamond Ave's energy grade?
20162-Gaithersburg / E.Diamond Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 3.3 kBtu/ft².
How much energy does 20162-Gaithersburg / E.Diamond Ave use?
Its 2024 site energy-use intensity was 3.3 kBtu/ft² (5.8 kBtu/ft² source) across 65,492 sq ft, including 26,778 kWh of electricity and 0 therms of natural gas.
What are 20162-Gaithersburg / E.Diamond Ave's carbon emissions?
20162-Gaithersburg / E.Diamond Ave reported 19 tCO₂e of greenhouse-gas emissions for 2024.
Where is 20162-Gaithersburg / E.Diamond Ave?
20162-Gaithersburg / E.Diamond Ave is at 500 E Diamond Ave, in Montgomery County, Maryland 20877.
How big is 20162-Gaithersburg / E.Diamond Ave and when was it built?
20162-Gaithersburg / E.Diamond Ave has 65,492 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2020 as its year built. It is classed as self-storage facility.
Is 20162-Gaithersburg / E.Diamond Ave 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, “20162-Gaithersburg / E.Diamond Ave, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/20162-gaithersburg-e-diamond-ave-9f9812f7 (data as of October 2, 2026).