At a glance
311 City Services is a 59,000-square-foot office building at 2111 W. Lexington in Chicago, Illinois, built in 1990. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 14 out of 100 (grade D), a site energy-use intensity of 147.0 kBtu/ft² and 911 tCO₂e of greenhouse-gas emissions. That score is higher than 2% of the 320 scored office buildings in Chicago.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 14 (band D) |
| Site EUI | 147.0 kBtu/ft² |
| Source EUI | 308.3 kBtu/ft² |
| GHG emissions | 911 tCO₂e |
| GHG intensity | 15.4 kgCO₂e/ft² |
| Electricity | 1,520,832 kWh |
| Natural gas | 34,860 therms |
| Gross floor area | 59,000 sq ft |
| Source record | chicago:250059:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 14 | +1 | 147.0 kBtu/ft² | 911 tCO₂e |
| 2022 | 13 | -4 | 160.6 kBtu/ft² | 909 tCO₂e |
| 2021 | 17 | ±0 | 141.7 kBtu/ft² | 890 tCO₂e |
| 2020 | 17 | +5 | 135.4 kBtu/ft² | 961 tCO₂e |
| 2019 | 12 | +4 | 144.8 kBtu/ft² | 1,138 tCO₂e |
| 2018 | 8 | -6 | 141.2 kBtu/ft² | 1,137 tCO₂e |
| 2017 | 14 | +1 | 131.3 kBtu/ft² | 1,205 tCO₂e |
| 2016 | 13 | -2 | 135.0 kBtu/ft² | 1,238 tCO₂e |
| 2015 | 15 | 131.0 kBtu/ft² | 1,292 tCO₂e |
Compliance context
Building Energy Use Benchmarking Ordinance
Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 2111 W. Lexington
- City
- Chicago
- State
- Illinois
- ZIP
- 60612
- Coordinates
- 41.94799, -87.82933
Within ~1 km
Nearby benchmarked buildings
No other benchmarked buildings within ~1 km.
See also: most efficient in Chicago · biggest emitters
How does 311 City Services compare with other office buildings in Chicago?
The latest disclosures cover 387 office buildings in Chicago, out of 3,852 buildings citywide. 311 City Services's ENERGY STAR score of 14 compares with an average of 69 across the 320 that report a score; it scores higher than 2% of them and lower than 98%. Its site EUI of 147.0 kBtu/ft² is about twice the average of 70.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 15.4 kgCO₂e/ft² is about twice the group average of 7.5 kgCO₂e/ft².
At 59,000 sq ft, it is about 88% below the average floor area of 488,124 sq ft for those buildings. It was built in 1990, 34 years later than the group's average year built (1957). 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 311 City Services's energy performance changed over time?
BuildingCensus holds 9 Chicago disclosures for 311 City Services, covering report years 2015–2023. Its ENERGY STAR score went from 15 in 2015 to 14 in 2023 (-1 points); its best year on file was 2020, at 17. Site EUI moved from 131.0 kBtu/ft² (2015) to 147.0 kBtu/ft² (2023), an 12% increase. Reported emissions went from 1,292 tCO₂e to 911 tCO₂e over the same span (down 29%).
What does an ENERGY STAR score of 14 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 14 means the building performs better than about 14% of its national peers. BuildingCensus bands the score into report-card grades; 14 falls in band D — lowest band (1–54). It sits 61 points below 75, the threshold for ENERGY STAR certification. In Chicago, 35% 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. 311 City Services's 147.0 kBtu/ft² across 59,000 sq ft works out to about 8.7 billion Btu (2,542 MWh-equivalent) in 2023. Its source EUI of 308.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,520,832 kWh of electricity and 34,860 therms of natural gas for the year.
Which law requires 311 City Services to report its energy use?
311 City Services reports under the Building Energy Use Benchmarking Ordinance, the legal basis of the Chicago Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record chicago:250059:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.
More office buildings in Chicago
- 325 S. Paulina St. (Teamsters Local 705)· 58,752 sq ft · score 76 (B)
- 430 W Erie Street· 58,700 sq ft · score 73 (B)
- 411 S Wells· 58,200 sq ft · score 80 (B)
- 217 N. Jefferson· 58,044 sq ft · score 33 (D)
- Lincoln Common D· 57,566 sq ft · score 40 (D)
- 444 N WABASH AVE· 57,400 sq ft · score 48 (D)
- Office buildings in Chicago· 387 benchmarked
- All Chicago benchmarked buildings· Building Energy Use Benchmarking Ordinance
- Most efficient large buildings in Chicago
- Least efficient large buildings in Chicago
- Biggest emitters in Chicago
Frequently asked questions
What is 311 City Services's energy grade?
311 City Services scores 14 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 Chicago disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 311 City Services use?
Its 2023 site energy-use intensity was 147.0 kBtu/ft² (308.3 kBtu/ft² source) across 59,000 sq ft, including 1,520,832 kWh of electricity and 34,860 therms of natural gas.
What are 311 City Services's carbon emissions?
311 City Services reported 911 tCO₂e of greenhouse-gas emissions (15.4 kgCO₂e/ft²) for 2023.
Where is 311 City Services?
311 City Services is at 2111 W. Lexington, in Chicago, Illinois 60612. Its coordinates are 41.94799, -87.82933 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is 311 City Services and when was it built?
311 City Services has 59,000 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1990 as its year built. It is classed as office.
Is 311 City Services covered by the Building Energy Use Benchmarking Ordinance?
Yes — it appears in the 2023 Chicago Energy Benchmarking disclosure, which lists the buildings reporting under the Building Energy Use Benchmarking Ordinance.
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About this data
Source: Chicago Energy Benchmarking (Building Energy Use Benchmarking Ordinance), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “311 City Services, Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/311-city-services-cd73c789 (data as of October 2, 2026).