(IL408) - Westgate Condominium Association (812 West Van Buren St)
Multifamily Housing in Chicago, IL · 812 West Van Buren St · 60607
At a glance
(IL408) - Westgate Condominium Association (812 West Van Buren St) is a 65,973-square-foot multifamily housing building in Chicago, Illinois, built in 1910. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 40 out of 100 (grade D), a site energy-use intensity of 76.9 kBtu/ft² and 399 tCO₂e of greenhouse-gas emissions. That score is higher than 22% 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 | 40 (band D) |
| Site EUI | 76.9 kBtu/ft² |
| Source EUI | 120.3 kBtu/ft² |
| GHG emissions | 399 tCO₂e |
| GHG intensity | 6.0 kgCO₂e/ft² |
| Electricity | 436,541 kWh |
| Natural gas | 35,849 therms |
| Gross floor area | 65,973 sq ft |
| Source record | chicago:176009:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 40 | -1 | 76.9 kBtu/ft² | 399 tCO₂e |
| 2022 | 41 | 84.5 kBtu/ft² | 425 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | — | — | |
| 2019 | — | — | — | |
| 2018 | — | — | — | |
| 2017 | 85 | -13 | 63.7 kBtu/ft² | 437 tCO₂e |
| 2016 | 98 | 44.2 kBtu/ft² | 349 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
- 812 West Van Buren St
- City
- Chicago
- State
- Illinois
- ZIP
- 60607
- Coordinates
- 41.92685, -87.64307
Within ~1 km
Nearby benchmarked buildings
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- 111 South Wackerscore 72
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Multifamily Housing · 1,193,624 sq ft
See also: most efficient in Chicago · biggest emitters
How does (IL408) - Westgate Condominium Association (812 West Van Buren 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. (IL408) - Westgate Condominium Association (812 West Van Buren St)'s ENERGY STAR score of 40 compares with an average of 62 across the 1,472 that report a score; it scores higher than 22% of them and lower than 77%. Its site EUI of 76.9 kBtu/ft² is roughly in line with the average of 72.0 kBtu/ft². Its emissions intensity of 6.0 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 65,973 sq ft, it is about 68% below the average floor area of 206,097 sq ft for those buildings. It was built in 1910, 61 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 (IL408) - Westgate Condominium Association (812 West Van Buren St)'s energy performance changed over time?
BuildingCensus holds 8 Chicago disclosures for (IL408) - Westgate Condominium Association (812 West Van Buren St), covering report years 2016–2023. Its ENERGY STAR score went from 98 in 2016 to 40 in 2023 (-58 points); its best year on file was 2016, at 98. Site EUI moved from 44.2 kBtu/ft² (2016) to 76.9 kBtu/ft² (2023), an 74% increase. Reported emissions went from 349 tCO₂e to 399 tCO₂e over the same span (up 14%).
What does an ENERGY STAR score of 40 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 40 means the building performs better than about 40% of its national peers. BuildingCensus bands the score into report-card grades; 40 falls in band D — lowest band (1–54). It sits 35 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. (IL408) - Westgate Condominium Association (812 West Van Buren St)'s 76.9 kBtu/ft² across 65,973 sq ft works out to about 5.1 billion Btu (1,487 MWh-equivalent) in 2023. Its source EUI of 120.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 436,541 kWh of electricity and 35,849 therms of natural gas for the year.
Which law requires (IL408) - Westgate Condominium Association (812 West Van Buren St) to report its energy use?
(IL408) - Westgate Condominium Association (812 West Van Buren 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:176009:2023). 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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- Las Moradas Apartments· 65,340 sq ft · score 23 (D)
- Crilly Court Condominium Association· 65,211 sq ft · score 92 (A)
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- Multifamily Housing buildings in Chicago· 1,515 benchmarked
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Frequently asked questions
What is (IL408) - Westgate Condominium Association (812 West Van Buren St)'s energy grade?
(IL408) - Westgate Condominium Association (812 West Van Buren St) scores 40 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 (IL408) - Westgate Condominium Association (812 West Van Buren St) use?
Its 2023 site energy-use intensity was 76.9 kBtu/ft² (120.3 kBtu/ft² source) across 65,973 sq ft, including 436,541 kWh of electricity and 35,849 therms of natural gas.
What are (IL408) - Westgate Condominium Association (812 West Van Buren St)'s carbon emissions?
(IL408) - Westgate Condominium Association (812 West Van Buren St) reported 399 tCO₂e of greenhouse-gas emissions (6.0 kgCO₂e/ft²) for 2023.
Where is (IL408) - Westgate Condominium Association (812 West Van Buren St)?
(IL408) - Westgate Condominium Association (812 West Van Buren St) is in Chicago, Illinois 60607. Its coordinates are 41.92685, -87.64307 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is (IL408) - Westgate Condominium Association (812 West Van Buren St) and when was it built?
(IL408) - Westgate Condominium Association (812 West Van Buren St) has 65,973 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1910 as its year built. It is classed as multifamily housing.
Is (IL408) - Westgate Condominium Association (812 West Van Buren 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, “(IL408) - Westgate Condominium Association (812 West Van Buren St), Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/il408-westgate-condominium-association-812-west-van-buren-st-749db7a3 (data as of October 2, 2026).