K SOuare Apartments (ks073)
Multifamily Housing in Chicago, IL · 1749 N Wells St · 60614
At a glance
K SOuare Apartments (ks073) is a 326,596-square-foot multifamily housing building at 1749 N Wells St in Chicago, Illinois, built in 1972. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 57 out of 100 (grade C), a site energy-use intensity of 70.2 kBtu/ft² and 1,791 tCO₂e of greenhouse-gas emissions. That score is higher than 38% 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 | 57 (band C) |
| Site EUI | 70.2 kBtu/ft² |
| Source EUI | 109.1 kBtu/ft² |
| GHG emissions | 1,791 tCO₂e |
| GHG intensity | 5.5 kgCO₂e/ft² |
| Electricity | 1,934,208 kWh |
| Natural gas | 163,383 therms |
| Water use | 10,486 kgal |
| Gross floor area | 326,596 sq ft |
| Source record | chicago:243745:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 57 | -38 | 70.2 kBtu/ft² | 1,791 tCO₂e |
| 2022 | 95 | +33 | 57.5 kBtu/ft² | 1,309 tCO₂e |
| 2021 | 62 | -18 | 74.7 kBtu/ft² | 1,877 tCO₂e |
| 2020 | 80 | +26 | 71.7 kBtu/ft² | 1,685 tCO₂e |
| 2019 | 54 | +6 | 82.6 kBtu/ft² | 2,188 tCO₂e |
| 2018 | 48 | 86.7 kBtu/ft² | 2,325 tCO₂e | |
| 2017 | — | 110.3 kBtu/ft² | 4,036 tCO₂e | |
| 2016 | — | 100.8 kBtu/ft² | 3,695 tCO₂e | |
| 2015 | — | 81.8 kBtu/ft² | 2,445 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1749 N Wells St
- City
- Chicago
- State
- Illinois
- ZIP
- 60614
- Coordinates
- 41.99109, -87.65556
Within ~1 km
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See also: most efficient in Chicago · biggest emitters
How does K SOuare Apartments (ks073) 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. K SOuare Apartments (ks073)'s ENERGY STAR score of 57 compares with an average of 62 across the 1,472 that report a score; it scores higher than 38% of them and lower than 60%. Its site EUI of 70.2 kBtu/ft² is roughly in line with the average of 72.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.5 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 326,596 sq ft, it is about 58% above the average floor area of 206,097 sq ft for those buildings. Its 1972 construction date is close to 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 K SOuare Apartments (ks073)'s energy performance changed over time?
BuildingCensus holds 9 Chicago disclosures for K SOuare Apartments (ks073), covering report years 2015–2023. Its ENERGY STAR score went from 48 in 2018 to 57 in 2023 (+9 points); its best year on file was 2022, at 95. Site EUI moved from 81.8 kBtu/ft² (2015) to 70.2 kBtu/ft² (2023), a 14% decrease. Reported emissions went from 2,445 tCO₂e to 1,791 tCO₂e over the same span (down 27%).
What does an ENERGY STAR score of 57 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 57 means the building performs better than about 57% of its national peers. BuildingCensus bands the score into report-card grades; 57 falls in band C — below median (55–69). It sits 18 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. K SOuare Apartments (ks073)'s 70.2 kBtu/ft² across 326,596 sq ft works out to about 22.9 billion Btu (6,719 MWh-equivalent) in 2023. Its source EUI of 109.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,934,208 kWh of electricity, 163,383 therms of natural gas and 10,486 thousand gallons of water for the year.
Which law requires K SOuare Apartments (ks073) to report its energy use?
K SOuare Apartments (ks073) 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:243745:2023). 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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- Winston Towers No. 4 Association· 325,000 sq ft · score 60 (C)
- 750 N. Rush· 325,000 sq ft · score 67 (C)
- Lancaster Condo Association· 323,000 sq ft · score 43 (D)
- Quadrangle House· 322,820 sq ft · score 11 (D)
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Frequently asked questions
What is K SOuare Apartments (ks073)'s energy grade?
K SOuare Apartments (ks073) scores 57 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2023 Chicago disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does K SOuare Apartments (ks073) use?
Its 2023 site energy-use intensity was 70.2 kBtu/ft² (109.1 kBtu/ft² source) across 326,596 sq ft, including 1,934,208 kWh of electricity and 163,383 therms of natural gas.
What are K SOuare Apartments (ks073)'s carbon emissions?
K SOuare Apartments (ks073) reported 1,791 tCO₂e of greenhouse-gas emissions (5.5 kgCO₂e/ft²) for 2023.
Where is K SOuare Apartments (ks073)?
K SOuare Apartments (ks073) is at 1749 N Wells St, in Chicago, Illinois 60614. Its coordinates are 41.99109, -87.65556 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is K SOuare Apartments (ks073) and when was it built?
K SOuare Apartments (ks073) has 326,596 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1972 as its year built. It is classed as multifamily housing.
Is K SOuare Apartments (ks073) 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, “K SOuare Apartments (ks073), Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/k-souare-apartments-ks073-8044acd0 (data as of October 2, 2026).