Courts Of Devon (Cf89)
Multifamily Housing in Montgomery County, MD · 501 Main St · 20878
At a glance
Courts Of Devon (Cf89) is a 260,889-square-foot multifamily housing building at 501 Main St in Montgomery County, Maryland, built in 1998. In its 2024 Montgomery County benchmarking disclosure it reported an ENERGY STAR score of 89 out of 100 (grade A), a site energy-use intensity of 45.8 kBtu/ft² and 775 tCO₂e of greenhouse-gas emissions. That score is higher than 51% of the 514 scored multifamily housing buildings in Montgomery County.
Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 89 (band A) |
| Site EUI | 45.8 kBtu/ft² |
| Source EUI | 75.3 kBtu/ft² |
| GHG emissions | 775 tCO₂e |
| GHG intensity | — |
| Electricity | 1,187,495 kWh |
| Natural gas | 79,012 therms |
| Gross floor area | 260,889 sq ft |
| Source record | montgomery_county:5047640:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 89 | +6 | 45.8 kBtu/ft² | 775 tCO₂e |
| 2023 | 83 | 45.6 kBtu/ft² | 781 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
- 501 Main St
- 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 Courts Of Devon (Cf89) compare with other multifamily housing buildings in Montgomery County?
The latest disclosures cover 553 multifamily housing buildings in Montgomery County, out of 1,766 buildings citywide. Courts Of Devon (Cf89)'s ENERGY STAR score of 89 compares with an average of 80 across the 514 that report a score; it scores higher than 51% of them and lower than 46%. Its site EUI of 45.8 kBtu/ft² is roughly in line with the average of 43.2 kBtu/ft².
At 260,889 sq ft, it is about 31% above the average floor area of 198,668 sq ft for those buildings. It was built in 1998, 9 years later than the group's average year built (1989). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Courts Of Devon (Cf89)'s energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for Courts Of Devon (Cf89), covering report years 2023–2024. Its ENERGY STAR score went from 83 in 2023 to 89 in 2024 (+6 points). Site EUI moved from 45.6 kBtu/ft² (2023) to 45.8 kBtu/ft² (2024), an 0% increase. Reported emissions went from 781 tCO₂e to 775 tCO₂e over the same span (down 1%).
What does an ENERGY STAR score of 89 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 89 means the building performs better than about 89% of its national peers. BuildingCensus bands the score into report-card grades; 89 falls in band A — high performer (85–100). 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. Courts Of Devon (Cf89)'s 45.8 kBtu/ft² across 260,889 sq ft works out to about 11.9 billion Btu (3,502 MWh-equivalent) in 2024. Its source EUI of 75.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,187,495 kWh of electricity and 79,012 therms of natural gas for the year.
Which law requires Courts Of Devon (Cf89) to report its energy use?
Courts Of Devon (Cf89) 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:5047640:2024). 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 multifamily housing buildings in Montgomery County
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- Multifamily Housing buildings in Montgomery County· 553 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 Courts Of Devon (Cf89)'s energy grade?
Courts Of Devon (Cf89) scores 89 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 Courts Of Devon (Cf89) use?
Its 2024 site energy-use intensity was 45.8 kBtu/ft² (75.3 kBtu/ft² source) across 260,889 sq ft, including 1,187,495 kWh of electricity and 79,012 therms of natural gas.
What are Courts Of Devon (Cf89)'s carbon emissions?
Courts Of Devon (Cf89) reported 775 tCO₂e of greenhouse-gas emissions for 2024.
Where is Courts Of Devon (Cf89)?
Courts Of Devon (Cf89) is at 501 Main St, in Montgomery County, Maryland 20878.
How big is Courts Of Devon (Cf89) and when was it built?
Courts Of Devon (Cf89) has 260,889 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1998 as its year built. It is classed as multifamily housing.
Is Courts Of Devon (Cf89) 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, “Courts Of Devon (Cf89), Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/courts-of-devon-cf89-d4896282 (data as of October 2, 2026).