642 W. Addison Apartments
Multifamily Housing in Chicago, IL · 630-644 W. Addison St. · 60642
At a glance
642 W. Addison Apartments is a 50,736-square-foot multifamily housing building at 630-644 W. Addison St. in Chicago, Illinois, built in 1925. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 47 out of 100 (grade D), a site energy-use intensity of 84.1 kBtu/ft² and 285 tCO₂e of greenhouse-gas emissions. That score is higher than 28% of the 1,472 scored multifamily housing buildings in Chicago.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 47 (band D) |
| Site EUI | 84.1 kBtu/ft² |
| Source EUI | 111.4 kBtu/ft² |
| GHG emissions | 285 tCO₂e |
| GHG intensity | 5.6 kgCO₂e/ft² |
| Electricity | 196,879 kWh |
| Natural gas | 35,926 therms |
| Gross floor area | 50,736 sq ft |
| Source record | chicago:142211:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 47 | +2 | 84.1 kBtu/ft² | 285 tCO₂e |
| 2022 | 45 | -7 | 94.1 kBtu/ft² | 314 tCO₂e |
| 2021 | 52 | +6 | 85.5 kBtu/ft² | 296 tCO₂e |
| 2020 | 46 | +5 | 89.9 kBtu/ft² | 315 tCO₂e |
| 2019 | 41 | +2 | 99.0 kBtu/ft² | 339 tCO₂e |
| 2018 | 39 | +6 | 100.8 kBtu/ft² | 355 tCO₂e |
| 2017 | 33 | -57 | 100.7 kBtu/ft² | 368 tCO₂e |
| 2016 | 90 | 82.3 kBtu/ft² | 236 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
- 630-644 W. Addison St.
- City
- Chicago
- State
- Illinois
- ZIP
- 60642
- Coordinates
- 41.96100, -87.71458
Within ~1 km
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See also: most efficient in Chicago · biggest emitters
How does 642 W. Addison Apartments compare with other multifamily housing buildings in Chicago?
The latest disclosures cover 1,515 multifamily housing buildings in Chicago, out of 3,852 buildings citywide. 642 W. Addison Apartments's ENERGY STAR score of 47 compares with an average of 62 across the 1,472 that report a score; it scores higher than 28% of them and lower than 70%. Its site EUI of 84.1 kBtu/ft² is about 17% above the average of 72.0 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 5.6 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 50,736 sq ft, it is about 75% below the average floor area of 206,097 sq ft for those buildings. It was built in 1925, 46 years earlier than the group's average year built (1971). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 642 W. Addison Apartments's energy performance changed over time?
BuildingCensus holds 8 Chicago disclosures for 642 W. Addison Apartments, covering report years 2016–2023. Its ENERGY STAR score went from 90 in 2016 to 47 in 2023 (-43 points); its best year on file was 2016, at 90. Site EUI moved from 82.3 kBtu/ft² (2016) to 84.1 kBtu/ft² (2023), an 2% increase. Reported emissions went from 236 tCO₂e to 285 tCO₂e over the same span (up 21%).
What does an ENERGY STAR score of 47 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 47 means the building performs better than about 47% of its national peers. BuildingCensus bands the score into report-card grades; 47 falls in band D — lowest band (1–54). It sits 28 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. 642 W. Addison Apartments's 84.1 kBtu/ft² across 50,736 sq ft works out to about 4.3 billion Btu (1,251 MWh-equivalent) in 2023. Its source EUI of 111.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 196,879 kWh of electricity and 35,926 therms of natural gas for the year.
Which law requires 642 W. Addison Apartments to report its energy use?
642 W. Addison Apartments 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:142211:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.
More multifamily housing buildings in Chicago
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- Multifamily Housing buildings in Chicago· 1,515 benchmarked
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Frequently asked questions
What is 642 W. Addison Apartments's energy grade?
642 W. Addison Apartments scores 47 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 642 W. Addison Apartments use?
Its 2023 site energy-use intensity was 84.1 kBtu/ft² (111.4 kBtu/ft² source) across 50,736 sq ft, including 196,879 kWh of electricity and 35,926 therms of natural gas.
What are 642 W. Addison Apartments's carbon emissions?
642 W. Addison Apartments reported 285 tCO₂e of greenhouse-gas emissions (5.6 kgCO₂e/ft²) for 2023.
Where is 642 W. Addison Apartments?
642 W. Addison Apartments is at 630-644 W. Addison St., in Chicago, Illinois 60642. Its coordinates are 41.96100, -87.71458 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is 642 W. Addison Apartments and when was it built?
642 W. Addison Apartments has 50,736 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1925 as its year built. It is classed as multifamily housing.
Is 642 W. Addison Apartments 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, “642 W. Addison Apartments, Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/642-w-addison-apartments-ee7a6594 (data as of October 2, 2026).