Sisters Mission
Senior Living Community in St. Louis, MO · 3225 N FLORISSANT AVE
At a glance
Sisters Mission is a 181,393-square-foot senior living community building at 3225 N FLORISSANT AVE in St. Louis, Missouri. In its 2021 St. Louis benchmarking disclosure it reported a site energy-use intensity of 96.8 kBtu/ft².
Building Energy Awareness Ordinance 70474 / BEPS 71132 · reporting year 2021
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 96.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Gross floor area | 181,393 sq ft |
| Source record | st_louis:P-000071:2021 |
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.
Ownership
LITTLE SISTERS OF THE POOR N SIDE
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Location
- Address
- 3225 N FLORISSANT AVE
- 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 Sisters Mission compare with other senior living community buildings in St. Louis?
The latest disclosures cover 8 senior living community buildings in St. Louis, out of 639 buildings citywide. Its site EUI of 96.8 kBtu/ft² is about 21% above the average of 79.8 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 181,393 sq ft, it is about 37% above the average floor area of 132,600 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 1,181 senior living community buildings average an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft².
What does a site EUI of 96.8 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. Sisters Mission's 96.8 kBtu/ft² across 181,393 sq ft works out to about 17.6 billion Btu (5,146 MWh-equivalent) in 2021.
Which law requires Sisters Mission to report its energy use?
Sisters Mission 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-000071:2021). 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 senior living community buildings in St. Louis
- 1015 Park Avenue· 102,000 sq ft · EUI 42.5 kBtu/ft²
- St Agnes Apartments· 75,723 sq ft · EUI 25.5 kBtu/ft²
- Sullivan Place· 73,013 sq ft · EUI 44.2 kBtu/ft²
- Cathedral Towers· 58,080 sq ft · EUI 148.0 kBtu/ft²
- Grand Manor Property LLC· 50,865 sq ft · EUI 118.6 kBtu/ft²
- 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 Sisters Mission's energy grade?
Sisters Mission did not report an ENERGY STAR score in its 2021 disclosure, but its site energy-use intensity was 96.8 kBtu/ft².
How much energy does Sisters Mission use?
Its 2021 site energy-use intensity was 96.8 kBtu/ft² across 181,393 sq ft.
What are Sisters Mission's carbon emissions?
No greenhouse-gas emissions figure was reported for 2021.
Where is Sisters Mission?
Sisters Mission is at 3225 N FLORISSANT AVE, in St. Louis, Missouri.
How big is Sisters Mission and when was it built?
Sisters Mission has 181,393 sq ft of gross floor area, as reported in its 2021 disclosure. It is classed as senior living community.
Is Sisters Mission 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, “Sisters Mission, St. Louis, Missouri — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/st-louis/sisters-mission-6d8b13f9 (data as of July 9, 2026).