1109 Spring
Office in Montgomery County, MD · 1109 Spring St · 20910
At a glance
1109 Spring is a 64,344-square-foot office building at 1109 Spring St in Montgomery County, Maryland, built in 1970. It is listed in the 2024 Commercial Building Energy Benchmarking disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year. Its most recent reported figures are from 2023, when it scored 76 out of 100 on ENERGY STAR with a site EUI of 40.9 kBtu/ft².
No energy data reported for 2024
1109 Spring appears in the 2024 Commercial Building Energy Benchmarking disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year. Earlier reported years are in the table below.
Floor area on file: 64,344 sq ft · Built 1970
Source record montgomery_county:27570109:2024
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | — | |
| 2023 | 76 | 40.9 kBtu/ft² | 236 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
- 1109 Spring St
- 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 has 1109 Spring's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for 1109 Spring, covering report years 2023–2024. Only one of those years carries energy figures.
Which law requires 1109 Spring to report its energy use?
1109 Spring 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:27570109:2024). 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
- Biontech· 64,296 sq ft · EUI 169.2 kBtu/ft²
- 20 West Gude· 64,084 sq ft · EUI 126.7 kBtu/ft²
- 401 Professional Drive· 63,154 sq ft · EUI 168.6 kBtu/ft²
- Longacre Ii· 62,570 sq ft · score 50 (D)
- 11919 Rockville Pike - North Bethesda· 62,535 sq ft · score 46 (D)
- Crown Pointe Ii Office Condominiums· 62,380 sq ft · score 33 (D)
- 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 1109 Spring's energy grade?
1109 Spring has no grade: it did not report energy data for 2024. The 2024 Commercial Building Energy Benchmarking disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is 1109 Spring?
1109 Spring is at 1109 Spring St, in Montgomery County, Maryland 20910.
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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, “1109 Spring, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/1109-spring-c5df340c (data as of October 2, 2026).