BuildingCensus
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Cambridge Seniors (cm73)

Multifamily Housing in St. Louis, MO · 728 BIDDLE ST

At a glance

Cambridge Seniors (cm73) is a 61,252-square-foot multifamily housing building at 728 BIDDLE ST in St. Louis, Missouri. In its 2021 St. Louis benchmarking disclosure it reported a site energy-use intensity of 65.5 kBtu/ft².

ENERGY STAR score
—
not reported · 2021
Site EUI
65.5
kBtu/ft²
GHG emissions
—
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
61,252
sq ft
Year built
—
vintage

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

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI65.5 kBtu/ft²
Source EUI—
GHG emissions—
GHG intensity—
Gross floor area61,252 sq ft
Source recordst_louis:P-001260:2021

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

St. Louis Housing Authority DEV CORP

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

Location

Address
728 BIDDLE ST
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 Cambridge Seniors (cm73) 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 65.5 kBtu/ft² is about 20% above the average of 54.8 kBtu/ft² — it uses more energy per square foot than the typical building in that group.

At 61,252 sq ft, it is about half of 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.

What does a site EUI of 65.5 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. Cambridge Seniors (cm73)'s 65.5 kBtu/ft² across 61,252 sq ft works out to about 4 billion Btu (1,176 MWh-equivalent) in 2021.

Which law requires Cambridge Seniors (cm73) to report its energy use?

Cambridge Seniors (cm73) 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-001260:2021). 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

Frequently asked questions

What is Cambridge Seniors (cm73)'s energy grade?

Cambridge Seniors (cm73) did not report an ENERGY STAR score in its 2021 disclosure, but its site energy-use intensity was 65.5 kBtu/ft².

How much energy does Cambridge Seniors (cm73) use?

Its 2021 site energy-use intensity was 65.5 kBtu/ft² across 61,252 sq ft.

What are Cambridge Seniors (cm73)'s carbon emissions?

No greenhouse-gas emissions figure was reported for 2021.

Where is Cambridge Seniors (cm73)?

Cambridge Seniors (cm73) is at 728 BIDDLE ST, in St. Louis, Missouri.

How big is Cambridge Seniors (cm73) and when was it built?

Cambridge Seniors (cm73) has 61,252 sq ft of gross floor area, as reported in its 2021 disclosure. It is classed as multifamily housing.

Is Cambridge Seniors (cm73) 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, “Cambridge Seniors (cm73), St. Louis, Missouri — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/st-louis/cambridge-seniors-cm73-874dfe68 (data as of July 9, 2026).