One Church Street
Office in Montgomery County, MD · 1 Church St · 20850
At a glance
One Church Street is a 86,632-square-foot office building at 1 Church St in Montgomery County, Maryland, built in 1989. In its 2024 Montgomery County benchmarking disclosure it reported a site energy-use intensity of 58.6 kBtu/ft² and 445 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 | 58.6 kBtu/ft² |
| Source EUI | 164.1 kBtu/ft² |
| GHG emissions | 445 tCO₂e |
| GHG intensity | — |
| Electricity | 1,487,682 kWh |
| Natural gas | 0 therms |
| Gross floor area | 86,632 sq ft |
| Source record | montgomery_county:5825506:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 58.6 kBtu/ft² | 445 tCO₂e | |
| 2023 | — | 69.8 kBtu/ft² | 544 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
- 1 Church 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 One Church Street compare with other office buildings in Montgomery County?
The latest disclosures cover 414 office buildings in Montgomery County, out of 1,766 buildings citywide. Its site EUI of 58.6 kBtu/ft² is about 12% below the average of 66.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 86,632 sq ft, it is about 35% below the average floor area of 132,356 sq ft for those buildings. Its 1989 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 One Church Street's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for One Church Street, covering report years 2023–2024. Site EUI moved from 69.8 kBtu/ft² (2023) to 58.6 kBtu/ft² (2024), a 16% decrease. Reported emissions went from 544 tCO₂e to 445 tCO₂e over the same span (down 18%).
What does a site EUI of 58.6 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. One Church Street's 58.6 kBtu/ft² across 86,632 sq ft works out to about 5.1 billion Btu (1,488 MWh-equivalent) in 2024. Its source EUI of 164.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,487,682 kWh of electricity and 0 therms of natural gas for the year.
Which law requires One Church Street to report its energy use?
One Church Street 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:5825506:2024). 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
- 6931 Arlington Rd· 86,410 sq ft · score 2 (D)
- Sm 9· 85,912 sq ft · score 4 (D)
- Twinbrook Metro Center I, Llc· 83,484 sq ft · score 54 (D)
- Hungerford Office Building· 82,888 sq ft · score 80 (B)
- Avenel Business Park Buildings 205-207· 82,676 sq ft · EUI 164.5 kBtu/ft²
- Avenel Business Park Buildings 200-202· 81,729 sq ft · EUI 36.5 kBtu/ft²
- 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 One Church Street's energy grade?
One Church Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 58.6 kBtu/ft².
How much energy does One Church Street use?
Its 2024 site energy-use intensity was 58.6 kBtu/ft² (164.1 kBtu/ft² source) across 86,632 sq ft, including 1,487,682 kWh of electricity and 0 therms of natural gas.
What are One Church Street's carbon emissions?
One Church Street reported 445 tCO₂e of greenhouse-gas emissions for 2024.
Where is One Church Street?
One Church Street is at 1 Church St, in Montgomery County, Maryland 20850.
How big is One Church Street and when was it built?
One Church Street has 86,632 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1989 as its year built. It is classed as office.
Is One Church Street 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, “One Church Street, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/one-church-street-521fb3f9 (data as of October 2, 2026).