Rockville Associates Llc
Office in Montgomery County, MD · 110 N Washington St · 20850
At a glance
Rockville Associates Llc is a 78,933-square-foot office building at 110 N Washington St in Montgomery County, Maryland, built in 1986. In its 2024 Montgomery County benchmarking disclosure it reported an ENERGY STAR score of 45 out of 100 (grade D), a site energy-use intensity of 51.1 kBtu/ft² and 354 tCO₂e of greenhouse-gas emissions. That score is higher than 22% 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 | 45 (band D) |
| Site EUI | 51.1 kBtu/ft² |
| Source EUI | 143.0 kBtu/ft² |
| GHG emissions | 354 tCO₂e |
| GHG intensity | — |
| Electricity | 1,181,427 kWh |
| Natural gas | 0 therms |
| Gross floor area | 78,933 sq ft |
| Source record | montgomery_county:5867921:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 45 | -11 | 51.1 kBtu/ft² | 354 tCO₂e |
| 2023 | 56 | 44.4 kBtu/ft² | 307 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
- 110 N Washington St
- State
- Maryland
- ZIP
- 20850
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 Rockville Associates Llc compare with other office buildings in Montgomery County?
The latest disclosures cover 414 office buildings in Montgomery County, out of 1,766 buildings citywide. Rockville Associates Llc's ENERGY STAR score of 45 compares with an average of 63 across the 325 that report a score; it scores higher than 22% of them and lower than 77%. Its site EUI of 51.1 kBtu/ft² is about 23% below the average of 66.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 78,933 sq ft, it is about 40% below the average floor area of 132,356 sq ft for those buildings. Its 1986 construction date is close to 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 Rockville Associates Llc's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for Rockville Associates Llc, covering report years 2023–2024. Its ENERGY STAR score went from 56 in 2023 to 45 in 2024 (-11 points); its best year on file was 2023, at 56. Site EUI moved from 44.4 kBtu/ft² (2023) to 51.1 kBtu/ft² (2024), an 15% increase. Reported emissions went from 307 tCO₂e to 354 tCO₂e over the same span (up 15%).
What does an ENERGY STAR score of 45 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 45 means the building performs better than about 45% of its national peers. BuildingCensus bands the score into report-card grades; 45 falls in band D — lowest band (1–54). It sits 30 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. Rockville Associates Llc's 51.1 kBtu/ft² across 78,933 sq ft works out to about 4 billion Btu (1,182 MWh-equivalent) in 2024. Its source EUI of 143.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,181,427 kWh of electricity and 0 therms of natural gas for the year.
Which law requires Rockville Associates Llc to report its energy use?
Rockville Associates Llc 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:5867921:2024). 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
- Trevion I· 77,825 sq ft · score 55 (C)
- Rugby Buildings (Draiman Office Center)· 77,466 sq ft · score 77 (B)
- Trevion Ii· 76,954 sq ft · score 55 (C)
- Blair Office Building· 76,820 sq ft · score 77 (B)
- Colewood Centre· 75,000 sq ft · score 37 (D)
- 1400 Spring Street: 1400 Spring Street· 73,903 sq ft · score 68 (C)
- 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 Rockville Associates Llc's energy grade?
Rockville Associates Llc scores 45 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 Montgomery County disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Rockville Associates Llc use?
Its 2024 site energy-use intensity was 51.1 kBtu/ft² (143.0 kBtu/ft² source) across 78,933 sq ft, including 1,181,427 kWh of electricity and 0 therms of natural gas.
What are Rockville Associates Llc's carbon emissions?
Rockville Associates Llc reported 354 tCO₂e of greenhouse-gas emissions for 2024.
Where is Rockville Associates Llc?
Rockville Associates Llc is at 110 N Washington St, in Montgomery County, Maryland 20850.
How big is Rockville Associates Llc and when was it built?
Rockville Associates Llc has 78,933 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1986 as its year built. It is classed as office.
Is Rockville Associates Llc 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, “Rockville Associates Llc, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/rockville-associates-llc-5b53f112 (data as of October 2, 2026).