Colesville Tower Apartments
Multifamily Housing in Montgomery County, MD · 8811 Colesville Rd · 20910
At a glance
Colesville Tower Apartments is a 263,562-square-foot multifamily housing building at 8811 Colesville Rd in Montgomery County, Maryland, built in 1960. In its 2024 Montgomery County benchmarking disclosure it reported an ENERGY STAR score of 55 out of 100 (grade C), a site energy-use intensity of 72.5 kBtu/ft² and 1,254 tCO₂e of greenhouse-gas emissions. That score is higher than 11% 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 | 55 (band C) |
| Site EUI | 72.5 kBtu/ft² |
| Source EUI | 122.0 kBtu/ft² |
| GHG emissions | 1,254 tCO₂e |
| GHG intensity | — |
| Electricity | 2,025,765 kWh |
| Natural gas | 121,942 therms |
| Gross floor area | 263,562 sq ft |
| Source record | montgomery_county:27980644:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 55 | +6 | 72.5 kBtu/ft² | 1,254 tCO₂e |
| 2023 | 49 | 75.1 kBtu/ft² | 1,285 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
- 8811 Colesville Rd
- State
- Maryland
- ZIP
- 20910
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 Colesville Tower Apartments 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. Colesville Tower Apartments's ENERGY STAR score of 55 compares with an average of 80 across the 514 that report a score; it scores higher than 11% of them and lower than 88%. Its site EUI of 72.5 kBtu/ft² is about 68% above the average of 43.2 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 263,562 sq ft, it is about 33% above the average floor area of 198,668 sq ft for those buildings. It was built in 1960, 29 years earlier 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 Colesville Tower Apartments's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for Colesville Tower Apartments, covering report years 2023–2024. Its ENERGY STAR score went from 49 in 2023 to 55 in 2024 (+6 points). Site EUI moved from 75.1 kBtu/ft² (2023) to 72.5 kBtu/ft² (2024), a 3% decrease. Reported emissions went from 1,285 tCO₂e to 1,254 tCO₂e over the same span (down 2%).
What does an ENERGY STAR score of 55 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 55 means the building performs better than about 55% of its national peers. BuildingCensus bands the score into report-card grades; 55 falls in band C — below median (55–69). It sits 20 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. Colesville Tower Apartments's 72.5 kBtu/ft² across 263,562 sq ft works out to about 19.1 billion Btu (5,600 MWh-equivalent) in 2024. Its source EUI of 122.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,025,765 kWh of electricity and 121,942 therms of natural gas for the year.
Which law requires Colesville Tower Apartments to report its energy use?
Colesville Tower Apartments 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:27980644:2024). 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
- Core Downtown Silver Spring (Cq27)· 263,278 sq ft · score 88 (A)
- The Claude (Ch390)· 262,637 sq ft · score 97 (A)
- Courts Of Devon (Cf89)· 260,889 sq ft · score 89 (A)
- Avana Northlake_Co (Vn159)· 259,747 sq ft · score 43 (D)
- Whitley Park Condominium· 258,063 sq ft · score 87 (A)
- Gallery Bethesda I· 256,821 sq ft · score 84 (B)
- Multifamily Housing buildings in Montgomery County· 553 benchmarked
- All Montgomery County benchmarked buildings· Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)
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- Least efficient large buildings in Montgomery County
- Biggest emitters in Montgomery County
Frequently asked questions
What is Colesville Tower Apartments's energy grade?
Colesville Tower Apartments scores 55 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 Montgomery County disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Colesville Tower Apartments use?
Its 2024 site energy-use intensity was 72.5 kBtu/ft² (122.0 kBtu/ft² source) across 263,562 sq ft, including 2,025,765 kWh of electricity and 121,942 therms of natural gas.
What are Colesville Tower Apartments's carbon emissions?
Colesville Tower Apartments reported 1,254 tCO₂e of greenhouse-gas emissions for 2024.
Where is Colesville Tower Apartments?
Colesville Tower Apartments is at 8811 Colesville Rd, in Montgomery County, Maryland 20910.
How big is Colesville Tower Apartments and when was it built?
Colesville Tower Apartments has 263,562 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1960 as its year built. It is classed as multifamily housing.
Is Colesville Tower Apartments 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, “Colesville Tower Apartments, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/colesville-tower-apartments-e7d27e4d (data as of October 2, 2026).