(IL0214) - 800 E 55th Building (800 E 55th St )
Medical Office in Chicago, IL · 800 E 55th St · 60615
At a glance
(IL0214) - 800 E 55th Building (800 E 55th St ) is a 73,327-square-foot medical office in Chicago, Illinois, built in 1964. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 24 out of 100 (grade D), a site energy-use intensity of 159.4 kBtu/ft² and 885 tCO₂e of greenhouse-gas emissions. That score is higher than 29% of the 14 scored medical office buildings in Chicago.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 24 (band D) |
| Site EUI | 159.4 kBtu/ft² |
| Source EUI | 240.1 kBtu/ft² |
| GHG emissions | 885 tCO₂e |
| GHG intensity | 12.1 kgCO₂e/ft² |
| Electricity | 893,195 kWh |
| Natural gas | 86,411 therms |
| Gross floor area | 73,327 sq ft |
| Source record | chicago:136487:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 24 | +7 | 159.4 kBtu/ft² | 885 tCO₂e |
| 2022 | 17 | +6 | 178.8 kBtu/ft² | 979 tCO₂e |
| 2021 | 11 | -8 | 181.9 kBtu/ft² | 1,047 tCO₂e |
| 2020 | 19 | +15 | 175.4 kBtu/ft² | 1,050 tCO₂e |
| 2019 | 4 | -15 | 283.4 kBtu/ft² | 1,531 tCO₂e |
| 2018 | 19 | -1 | 182.6 kBtu/ft² | 1,134 tCO₂e |
| 2017 | 20 | 169.3 kBtu/ft² | 1,144 tCO₂e | |
| 2016 | — | — | — | |
| 2015 | 17 | 177.3 kBtu/ft² | 1,185 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
- 800 E 55th St
- City
- Chicago
- State
- Illinois
- ZIP
- 60615
- Coordinates
- 41.76702, -87.63855
Within ~1 km
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See also: most efficient in Chicago · biggest emitters
How does (IL0214) - 800 E 55th Building (800 E 55th St ) compare with other medical office buildings in Chicago?
The latest disclosures cover 18 medical office buildings in Chicago, out of 3,852 buildings citywide. (IL0214) - 800 E 55th Building (800 E 55th St )'s ENERGY STAR score of 24 compares with an average of 49 across the 14 that report a score; it scores higher than 29% of them and lower than 64%. Its site EUI of 159.4 kBtu/ft² is about 53% above the average of 104.0 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 12.1 kgCO₂e/ft² is roughly in line with the group average of 11.4 kgCO₂e/ft².
At 73,327 sq ft, it is about 67% below the average floor area of 219,884 sq ft for those buildings. It was built in 1964, 36 years earlier than the group's average year built (2000). Across all 24 jurisdictions BuildingCensus covers, the 1,266 medical office buildings average an ENERGY STAR score of 64 and a site EUI of 92.2 kBtu/ft².
How has (IL0214) - 800 E 55th Building (800 E 55th St )'s energy performance changed over time?
BuildingCensus holds 9 Chicago disclosures for (IL0214) - 800 E 55th Building (800 E 55th St ), covering report years 2015–2023. Its ENERGY STAR score went from 17 in 2015 to 24 in 2023 (+7 points). Site EUI moved from 177.3 kBtu/ft² (2015) to 159.4 kBtu/ft² (2023), a 10% decrease. Reported emissions went from 1,185 tCO₂e to 885 tCO₂e over the same span (down 25%).
What does an ENERGY STAR score of 24 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 24 means the building performs better than about 24% of its national peers. BuildingCensus bands the score into report-card grades; 24 falls in band D — lowest band (1–54). It sits 51 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. (IL0214) - 800 E 55th Building (800 E 55th St )'s 159.4 kBtu/ft² across 73,327 sq ft works out to about 11.7 billion Btu (3,426 MWh-equivalent) in 2023. Its source EUI of 240.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 893,195 kWh of electricity and 86,411 therms of natural gas for the year.
Which law requires (IL0214) - 800 E 55th Building (800 E 55th St ) to report its energy use?
(IL0214) - 800 E 55th Building (800 E 55th St ) 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:136487:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.
More medical office buildings in Chicago
- 1333 West Belmont Avenue· 72,945 sq ft · score 51 (D)
- St. Bernard Ambulatory Care Center· 66,634 sq ft · score 73 (B)
- Advocate Beverly Center - 7767· 59,345 sq ft · score 15 (D)
- MLK Medical Properties, LLC· 55,184 sq ft · score 40 (D)
- Professional Office Building· 51,825 sq ft · score 21 (D)
- 6725 - Trinity Hospital Physicians Office Building· 51,497 sq ft · score 13 (D)
- 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 (IL0214) - 800 E 55th Building (800 E 55th St )'s energy grade?
(IL0214) - 800 E 55th Building (800 E 55th St ) scores 24 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 (IL0214) - 800 E 55th Building (800 E 55th St ) use?
Its 2023 site energy-use intensity was 159.4 kBtu/ft² (240.1 kBtu/ft² source) across 73,327 sq ft, including 893,195 kWh of electricity and 86,411 therms of natural gas.
What are (IL0214) - 800 E 55th Building (800 E 55th St )'s carbon emissions?
(IL0214) - 800 E 55th Building (800 E 55th St ) reported 885 tCO₂e of greenhouse-gas emissions (12.1 kgCO₂e/ft²) for 2023.
Where is (IL0214) - 800 E 55th Building (800 E 55th St )?
(IL0214) - 800 E 55th Building (800 E 55th St ) is in Chicago, Illinois 60615. Its coordinates are 41.76702, -87.63855 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is (IL0214) - 800 E 55th Building (800 E 55th St ) and when was it built?
(IL0214) - 800 E 55th Building (800 E 55th St ) has 73,327 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1964 as its year built. It is classed as medical office.
Is (IL0214) - 800 E 55th Building (800 E 55th St ) 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, “(IL0214) - 800 E 55th Building (800 E 55th St ), Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/il0214-800-e-55th-building-800-e-55th-st-c06b3809 (data as of October 2, 2026).