BuildingCensus
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St Louis Downtown MO HAMP

Hotel in St. Louis, MO · 333 WASHINGTON AVE

At a glance

St Louis Downtown MO HAMP is a 224,592-square-foot hotel at 333 WASHINGTON AVE in St. Louis, Missouri. In its 2021 St. Louis benchmarking disclosure it reported a site energy-use intensity of 65.9 kBtu/ft².

ENERGY STAR score
—
not reported · 2021
Site EUI
65.9
kBtu/ft²
GHG emissions
—
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
224,592
sq ft
Year built
—
vintage

Building Energy Awareness Ordinance 70474 / BEPS 71132 · reporting year 2021

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI65.9 kBtu/ft²
Source EUI—
GHG emissions—
GHG intensity—
Gross floor area224,592 sq ft
Source recordst_louis:P-000397:2021

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2021latest—65.9 kBtu/ft²—
2020—41.6 kBtu/ft²—
2019—53.8 kBtu/ft²—
2018—60.3 kBtu/ft²—
2017—61.8 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.

Program details →

Ownership

APPLE NINE ST LOUIS LLC

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
333 WASHINGTON AVE
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 St Louis Downtown MO HAMP compare with other hotel buildings in St. Louis?

The latest disclosures cover 31 hotel buildings in St. Louis, out of 639 buildings citywide. Its site EUI of 65.9 kBtu/ft² is about 19% below the average of 81.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 224,592 sq ft, it is about 36% below the average floor area of 348,352 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 3,812 hotel buildings average an ENERGY STAR score of 65 and a site EUI of 77.8 kBtu/ft².

How has St Louis Downtown MO HAMP's energy performance changed over time?

BuildingCensus holds 5 St. Louis disclosures for St Louis Downtown MO HAMP, covering report years 2017–2021. Site EUI moved from 61.8 kBtu/ft² (2017) to 65.9 kBtu/ft² (2021), an 7% increase.

What does a site EUI of 65.9 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. St Louis Downtown MO HAMP's 65.9 kBtu/ft² across 224,592 sq ft works out to about 14.8 billion Btu (4,338 MWh-equivalent) in 2021.

Which law requires St Louis Downtown MO HAMP to report its energy use?

St Louis Downtown MO HAMP 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-000397:2021). 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 hotel buildings in St. Louis

Frequently asked questions

What is St Louis Downtown MO HAMP's energy grade?

St Louis Downtown MO HAMP did not report an ENERGY STAR score in its 2021 disclosure, but its site energy-use intensity was 65.9 kBtu/ft².

How much energy does St Louis Downtown MO HAMP use?

Its 2021 site energy-use intensity was 65.9 kBtu/ft² across 224,592 sq ft.

What are St Louis Downtown MO HAMP's carbon emissions?

No greenhouse-gas emissions figure was reported for 2021.

Where is St Louis Downtown MO HAMP?

St Louis Downtown MO HAMP is at 333 WASHINGTON AVE, in St. Louis, Missouri.

How big is St Louis Downtown MO HAMP and when was it built?

St Louis Downtown MO HAMP has 224,592 sq ft of gross floor area, as reported in its 2021 disclosure. It is classed as hotel.

Is St Louis Downtown MO HAMP 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, “St Louis Downtown MO HAMP, St. Louis, Missouri — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/st-louis/st-louis-downtown-mo-hamp-dfb29a8c (data as of July 9, 2026).