Embassy Apartments
Multifamily Housing in St. Louis, MO · 530 UNION BLVD
At a glance
Embassy Apartments is a 86,263-square-foot multifamily housing building at 530 UNION BLVD in St. Louis, Missouri. In its 2021 St. Louis benchmarking disclosure it reported a site energy-use intensity of 17.7 kBtu/ft².
Building Energy Awareness Ordinance 70474 / BEPS 71132 · reporting year 2021
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 17.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Gross floor area | 86,263 sq ft |
| Source record | st_louis:P-000887:2021 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2021latest | — | 17.7 kBtu/ft² | — | |
| 2017 | — | 22.6 kBtu/ft² | — |
Compliance context
Building Energy Awareness Ordinance 70474 / BEPS 71132
St. Louis's Building Energy Performance Standard (Ordinance 71132) requires buildings of 50,000 sq ft or more to meet energy-use targets, with standards set on four-year cycles.
Ownership
ORO CAPITAL 3 LLC
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Location
- Address
- 530 UNION BLVD
- City
- St. Louis
- State
- Missouri
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in St. Louis · biggest emitters
How does Embassy Apartments compare with other multifamily housing buildings in St. Louis?
The latest disclosures cover 181 multifamily housing buildings in St. Louis, out of 639 buildings citywide. Its site EUI of 17.7 kBtu/ft² is about 68% below the average of 54.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 86,263 sq ft, it is about 34% below the average floor area of 131,363 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 Embassy Apartments's energy performance changed over time?
BuildingCensus holds 2 St. Louis disclosures for Embassy Apartments, covering report years 2017, 2021. Site EUI moved from 22.6 kBtu/ft² (2017) to 17.7 kBtu/ft² (2021), a 22% decrease.
What does a site EUI of 17.7 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. Embassy Apartments's 17.7 kBtu/ft² across 86,263 sq ft works out to about 1.5 billion Btu (447 MWh-equivalent) in 2021.
Which law requires Embassy Apartments to report its energy use?
Embassy Apartments reports under the Building Energy Awareness Ordinance 70474 / BEPS 71132, the legal basis of St. Louis's Building Energy Awareness Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2021 disclosure (source record st_louis:P-000887:2021). St. Louis's Building Energy Performance Standard (Ordinance 71132) requires buildings of 50,000 sq ft or more to meet energy-use targets, with standards set on four-year cycles.
More multifamily housing buildings in St. Louis
- Building 37 - vg01· 86,000 sq ft · EUI 50.7 kBtu/ft²
- Allen Market Lane (ll07)· 84,144 sq ft · EUI 40.5 kBtu/ft²
- 2101-2111 Lucas Avenue AKA 715 North 21st Street· 83,220 sq ft · EUI 45.6 kBtu/ft²
- West Pine· 83,164 sq ft · EUI 73.9 kBtu/ft²
- Washington Apts (ws31)· 83,000 sq ft · EUI 64.0 kBtu/ft²
- Franklin School· 82,485 sq ft · EUI 14.1 kBtu/ft²
- Multifamily Housing buildings in St. Louis· 181 benchmarked
- All St. Louis benchmarked buildings· Building Energy Awareness Ordinance 70474 / BEPS 71132
- Most efficient large buildings in St. Louis
- Least efficient large buildings in St. Louis
- Biggest emitters in St. Louis
Frequently asked questions
What is Embassy Apartments's energy grade?
Embassy Apartments did not report an ENERGY STAR score in its 2021 disclosure, but its site energy-use intensity was 17.7 kBtu/ft².
How much energy does Embassy Apartments use?
Its 2021 site energy-use intensity was 17.7 kBtu/ft² across 86,263 sq ft.
What are Embassy Apartments's carbon emissions?
No greenhouse-gas emissions figure was reported for 2021.
Where is Embassy Apartments?
Embassy Apartments is at 530 UNION BLVD, in St. Louis, Missouri.
How big is Embassy Apartments and when was it built?
Embassy Apartments has 86,263 sq ft of gross floor area, as reported in its 2021 disclosure. It is classed as multifamily housing.
Is Embassy Apartments covered by the Building Energy Awareness Ordinance 70474 / BEPS 71132?
Yes — it appears in the 2021 Building Energy Awareness Benchmarking disclosure, which lists the buildings reporting under the Building Energy Awareness Ordinance 70474 / BEPS 71132.
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About this data
Source: Building Energy Awareness Benchmarking (Building Energy Awareness Ordinance 70474 / BEPS 71132), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Embassy Apartments, St. Louis, Missouri — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/st-louis/embassy-apartments-02603a62 (data as of July 9, 2026).