Mill Creek Flats
Multifamily Housing in Kansas City, MO · 4521 Wornall Rd · 64111
At a glance
Mill Creek Flats is a 86,620-square-foot multifamily housing building at 4521 Wornall Rd in Kansas City, Missouri. In its 2023 Kansas City benchmarking disclosure it reported 46 tCO₂e of greenhouse-gas emissions.
Energy Empowerment Ordinance (No. 150299) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | 46 tCO₂e |
| GHG intensity | — |
| Water use | 1,049 kgal |
| Gross floor area | 86,620 sq ft |
| Source record | kansas_city:11-MF-04520:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | — | 46 tCO₂e | |
| 2021 | — | — | — |
Compliance context
Energy Empowerment Ordinance (No. 150299)
Kansas City's Energy Empowerment Ordinance requires annual energy and water benchmarking for commercial and multifamily buildings over 50,000 sq ft (and for city-owned buildings), with public disclosure of results.
Ownership
Hunter Residential
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Location
- Address
- 4521 Wornall Rd
- City
- Kansas City
- State
- Missouri
- ZIP
- 64111
- Coordinates
- 39.04520, -94.58977
Within ~1 km
Nearby benchmarked buildings
Multifamily Housing · 1,204,106 sq ft
- Plaza Westscore —
Office · 746,287 sq ft
- Oak Hallscore —
Multifamily Housing · 557,525 sq ft
- Plaza Colonnadescore 69
Office · 365,074 sq ft
Other - Mall · 362,629 sq ft
- (west building)score —
Parking · 359,816 sq ft
See also: most efficient in Kansas City · biggest emitters
How does Mill Creek Flats compare with other multifamily housing buildings in Kansas City?
The latest disclosures cover 292 multifamily housing buildings in Kansas City, out of 1,628 buildings citywide.
At 86,620 sq ft, it is about 38% below the average floor area of 140,116 sq ft for those buildings. 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 Mill Creek Flats's energy performance changed over time?
BuildingCensus holds 2 Kansas City disclosures for Mill Creek Flats, covering report years 2021, 2023. None of those years carry an ENERGY STAR score or site EUI.
Which law requires Mill Creek Flats to report its energy use?
Mill Creek Flats reports under the Energy Empowerment Ordinance (No. 150299), the legal basis of Kansas City's Energy and Water Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record kansas_city:11-MF-04520:2023). Kansas City's Energy Empowerment Ordinance requires annual energy and water benchmarking for commercial and multifamily buildings over 50,000 sq ft (and for city-owned buildings), with public disclosure of results.
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- Multifamily Housing buildings in Kansas City· 292 benchmarked
- All Kansas City benchmarked buildings· Energy Empowerment Ordinance (No. 150299)
- Most efficient large buildings in Kansas City
- Least efficient large buildings in Kansas City
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Frequently asked questions
What is Mill Creek Flats's energy grade?
Mill Creek Flats did not report an ENERGY STAR score in its 2023 disclosure.
How much energy does Mill Creek Flats use?
No energy-use intensity was reported for 2023.
What are Mill Creek Flats's carbon emissions?
Mill Creek Flats reported 46 tCO₂e of greenhouse-gas emissions for 2023.
Where is Mill Creek Flats?
Mill Creek Flats is at 4521 Wornall Rd, in Kansas City, Missouri 64111. Its coordinates are 39.04520, -94.58977 (latitude, longitude), as published in the Energy and Water Benchmarking file.
How big is Mill Creek Flats and when was it built?
Mill Creek Flats has 86,620 sq ft of gross floor area, as reported in its 2023 disclosure. It is classed as multifamily housing.
Is Mill Creek Flats covered by the Energy Empowerment Ordinance (No. 150299)?
Yes — it appears in the 2023 Energy and Water Benchmarking disclosure, which lists the buildings reporting under the Energy Empowerment Ordinance (No. 150299).
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About this data
Source: Energy and Water Benchmarking (Energy Empowerment Ordinance (No. 150299)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Mill Creek Flats, Kansas City, Missouri — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/kansas-city/mill-creek-flats-d98952ad (data as of October 2, 2026).