1537 NORFOLK ST
Ambulatory Surgical Center in Los Angeles, CA · 90033
At a glance
1537 NORFOLK ST is a 200,952-square-foot ambulatory surgical center in Los Angeles, California, built in 1983. In its 2025 Los Angeles benchmarking disclosure it reported a site energy-use intensity of 158.8 kBtu/ft² and 1,753 tCO₂e of greenhouse-gas emissions.
LA Municipal Code Div. 97, §91.9701 (EBEWE) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 158.8 kBtu/ft² |
| Source EUI | 291.7 kBtu/ft² |
| GHG emissions | 1,753 tCO₂e |
| GHG intensity | — |
| Water use | 9,926 kgal |
| Gross floor area | 200,952 sq ft |
| Source record | la:500379844877:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 158.8 kBtu/ft² | 1,753 tCO₂e | |
| 2024 | — | 172.6 kBtu/ft² | 2,047 tCO₂e | |
| 2023 | — | 174.0 kBtu/ft² | 2,143 tCO₂e | |
| 2022 | — | 155.4 kBtu/ft² | 1,906 tCO₂e | |
| 2021 | — | 75.1 kBtu/ft² | 911 tCO₂e | |
| 2020 | — | 176.9 kBtu/ft² | 2,101 tCO₂e | |
| 2019 | — | 173.0 kBtu/ft² | 2,121 tCO₂e | |
| 2018 | — | 398.9 kBtu/ft² | 3,587 tCO₂e | |
| 2017 | — | 209.6 kBtu/ft² | 2,122 tCO₂e | |
| 2016 | — | 213.0 kBtu/ft² | 2,152 tCO₂e |
Compliance context
LA Municipal Code Div. 97, §91.9701 (EBEWE)
EBEWE requires annual benchmarking plus audits/retro-commissioning every five years for privately owned buildings of 20,000 sq ft or more; non-compliance carries a $202 fee (LAMC §91.9712) plus possible late fees.
Ownership
University of Southern California
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Location
- Address
- 1537 NORFOLK ST
- City
- Los Angeles
- State
- California
- ZIP
- 90033
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Los Angeles · biggest emitters
How does 1537 NORFOLK ST compare with other buildings in Los Angeles?
The latest disclosures cover 11,498 benchmarked buildings in Los Angeles. Its site EUI of 158.8 kBtu/ft² is about 248% above the average of 45.6 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 200,952 sq ft, it is about 152% above the average floor area of 79,889 sq ft for those buildings. It was built in 1983, 8 years later than the group's average year built (1975).
How has 1537 NORFOLK ST's energy performance changed over time?
BuildingCensus holds 10 Los Angeles disclosures for 1537 NORFOLK ST, covering report years 2016–2025. Site EUI moved from 213.0 kBtu/ft² (2016) to 158.8 kBtu/ft² (2025), a 25% decrease. Reported emissions went from 2,152 tCO₂e to 1,753 tCO₂e over the same span (down 19%).
What does a site EUI of 158.8 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. 1537 NORFOLK ST's 158.8 kBtu/ft² across 200,952 sq ft works out to about 31.9 billion Btu (9,352 MWh-equivalent) in 2025. Its source EUI of 291.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 9,926 thousand gallons of water for the year.
Which law requires 1537 NORFOLK ST to report its energy use?
1537 NORFOLK ST reports under LA Municipal Code Div. 97, §91.9701 (EBEWE), the legal basis of Los Angeles's Existing Buildings Energy & Water Efficiency (EBEWE) program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record la:500379844877:2025). EBEWE requires annual benchmarking plus audits/retro-commissioning every five years for privately owned buildings of 20,000 sq ft or more; non-compliance carries a $202 fee (LAMC §91.9712) plus possible late fees.
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Frequently asked questions
What is 1537 NORFOLK ST's energy grade?
1537 NORFOLK ST did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 158.8 kBtu/ft².
How much energy does 1537 NORFOLK ST use?
Its 2025 site energy-use intensity was 158.8 kBtu/ft² (291.7 kBtu/ft² source) across 200,952 sq ft.
What are 1537 NORFOLK ST's carbon emissions?
1537 NORFOLK ST reported 1,753 tCO₂e of greenhouse-gas emissions for 2025.
Where is 1537 NORFOLK ST?
1537 NORFOLK ST is in Los Angeles, California 90033.
How big is 1537 NORFOLK ST and when was it built?
1537 NORFOLK ST has 200,952 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1983 as its year built. It is classed as ambulatory surgical center.
Is 1537 NORFOLK ST covered by LA Municipal Code Div. 97, §91.9701 (EBEWE)?
Yes — it appears in the 2025 Existing Buildings Energy & Water Efficiency (EBEWE) disclosure, which lists the buildings reporting under LA Municipal Code Div. 97, §91.9701 (EBEWE).
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About this data
Source: Existing Buildings Energy & Water Efficiency (EBEWE) (LA Municipal Code Div. 97, §91.9701 (EBEWE)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “1537 NORFOLK ST, Los Angeles, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/los-angeles/1537-norfolk-st-73a8e43d (data as of October 2, 2026).