(IL0802) - The Private Residences at Ontario (10 E Ontario St)
Multifamily Housing in Chicago, IL · 10 E Ontario St · 60611
At a glance
(IL0802) - The Private Residences at Ontario (10 E Ontario St) is a 690,169-square-foot multifamily housing building in Chicago, Illinois, built in 1983. In its 2023 Chicago benchmarking disclosure it reported a site energy-use intensity of 59.0 kBtu/ft² and 4,836 tCO₂e of greenhouse-gas emissions.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 59.0 kBtu/ft² |
| Source EUI | 140.0 kBtu/ft² |
| GHG emissions | 4,836 tCO₂e |
| GHG intensity | 7.0 kgCO₂e/ft² |
| Electricity | 9,030,036 kWh |
| Natural gas | 98,880 therms |
| Gross floor area | 690,169 sq ft |
| Source record | chicago:236345:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 59.0 kBtu/ft² | 4,836 tCO₂e | |
| 2022 | 11 | -2 | 107.0 kBtu/ft² | 5,918 tCO₂e |
| 2021 | 13 | ±0 | 97.0 kBtu/ft² | 5,972 tCO₂e |
| 2020 | 13 | -1 | 96.0 kBtu/ft² | 6,478 tCO₂e |
| 2019 | 14 | -3 | 98.1 kBtu/ft² | 6,850 tCO₂e |
| 2018 | 17 | -12 | 85.3 kBtu/ft² | 7,056 tCO₂e |
| 2017 | 29 | +7 | 75.0 kBtu/ft² | 6,836 tCO₂e |
| 2016 | 22 | +2 | 80.3 kBtu/ft² | 7,436 tCO₂e |
| 2015 | 20 | 82.8 kBtu/ft² | 8,137 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
- 10 E Ontario St
- City
- Chicago
- State
- Illinois
- ZIP
- 60611
- Coordinates
- 41.69092, -87.60502
Within ~1 km
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How does (IL0802) - The Private Residences at Ontario (10 E Ontario St) 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. Its site EUI of 59.0 kBtu/ft² is about 18% below 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 7.0 kgCO₂e/ft² is about 21% above the group average of 5.8 kgCO₂e/ft².
At 690,169 sq ft, it is about 235% above the average floor area of 206,097 sq ft for those buildings. It was built in 1983, 12 years later 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 (IL0802) - The Private Residences at Ontario (10 E Ontario St)'s energy performance changed over time?
BuildingCensus holds 9 Chicago disclosures for (IL0802) - The Private Residences at Ontario (10 E Ontario St), covering report years 2015–2023. Its ENERGY STAR score went from 20 in 2015 to 11 in 2022 (-9 points); its best year on file was 2017, at 29. Site EUI moved from 82.8 kBtu/ft² (2015) to 59.0 kBtu/ft² (2023), a 29% decrease. Reported emissions went from 8,137 tCO₂e to 4,836 tCO₂e over the same span (down 41%).
What does a site EUI of 59.0 kBtu/ft² mean?
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. (IL0802) - The Private Residences at Ontario (10 E Ontario St)'s 59.0 kBtu/ft² across 690,169 sq ft works out to about 40.7 billion Btu (11,934 MWh-equivalent) in 2023. Its source EUI of 140.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 9,030,036 kWh of electricity and 98,880 therms of natural gas for the year.
Which law requires (IL0802) - The Private Residences at Ontario (10 E Ontario St) to report its energy use?
(IL0802) - The Private Residences at Ontario (10 E Ontario 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:236345:2023). 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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Frequently asked questions
What is (IL0802) - The Private Residences at Ontario (10 E Ontario St)'s energy grade?
(IL0802) - The Private Residences at Ontario (10 E Ontario St) did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 59.0 kBtu/ft².
How much energy does (IL0802) - The Private Residences at Ontario (10 E Ontario St) use?
Its 2023 site energy-use intensity was 59.0 kBtu/ft² (140.0 kBtu/ft² source) across 690,169 sq ft, including 9,030,036 kWh of electricity and 98,880 therms of natural gas.
What are (IL0802) - The Private Residences at Ontario (10 E Ontario St)'s carbon emissions?
(IL0802) - The Private Residences at Ontario (10 E Ontario St) reported 4,836 tCO₂e of greenhouse-gas emissions (7.0 kgCO₂e/ft²) for 2023.
Where is (IL0802) - The Private Residences at Ontario (10 E Ontario St)?
(IL0802) - The Private Residences at Ontario (10 E Ontario St) is in Chicago, Illinois 60611. Its coordinates are 41.69092, -87.60502 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is (IL0802) - The Private Residences at Ontario (10 E Ontario St) and when was it built?
(IL0802) - The Private Residences at Ontario (10 E Ontario St) has 690,169 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1983 as its year built. It is classed as multifamily housing.
Is (IL0802) - The Private Residences at Ontario (10 E Ontario 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, “(IL0802) - The Private Residences at Ontario (10 E Ontario St), Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/il0802-the-private-residences-at-ontario-10-e-ontario-st-65778b32 (data as of October 2, 2026).