310 N AVENUE 21
Non-Refrigerated Warehouse in Los Angeles, CA · 90031
At a glance
310 N AVENUE 21 is a 46,810-square-foot non-refrigerated warehouse in Los Angeles, California, built in 1923. In its 2025 Los Angeles benchmarking disclosure it reported a site energy-use intensity of 0.1 kBtu/ft² and 0 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 | 0.1 kBtu/ft² |
| Source EUI | 0.3 kBtu/ft² |
| GHG emissions | 0 tCO₂e |
| GHG intensity | — |
| Water use | 0 kgal |
| Gross floor area | 46,810 sq ft |
| Source record | la:494555850826:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 0.1 kBtu/ft² | 0 tCO₂e | |
| 2024 | — | 0.1 kBtu/ft² | 0 tCO₂e | |
| 2023 | — | 0.1 kBtu/ft² | 0 tCO₂e | |
| 2022 | — | 0.2 kBtu/ft² | 1 tCO₂e | |
| 2021 | — | 0.5 kBtu/ft² | 1 tCO₂e | |
| 2020 | — | 1.6 kBtu/ft² | 5 tCO₂e | |
| 2019 | — | 1.8 kBtu/ft² | 5 tCO₂e | |
| 2018 | — | 2.0 kBtu/ft² | 4 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
Bay Efficiency
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Location
- Address
- 310 N AVENUE 21
- City
- Los Angeles
- State
- California
- ZIP
- 90031
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 310 N AVENUE 21 compare with other non-refrigerated warehouse buildings in Los Angeles?
The latest disclosures cover 392 non-refrigerated warehouse buildings in Los Angeles, out of 11,498 buildings citywide. Its site EUI of 0.1 kBtu/ft² is about 99% below the average of 19.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 46,810 sq ft, it is about 19% below the average floor area of 57,664 sq ft for those buildings. It was built in 1923, 49 years earlier than the group's average year built (1972). Across all 24 jurisdictions BuildingCensus covers, the 4,723 non-refrigerated warehouse buildings average an ENERGY STAR score of 66 and a site EUI of 26.0 kBtu/ft².
How has 310 N AVENUE 21's energy performance changed over time?
BuildingCensus holds 8 Los Angeles disclosures for 310 N AVENUE 21, covering report years 2018–2025. Site EUI moved from 2.0 kBtu/ft² (2018) to 0.1 kBtu/ft² (2025), a 95% decrease. Reported emissions went from 4 tCO₂e to 0 tCO₂e over the same span (down 94%).
What does a site EUI of 0.1 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. 310 N AVENUE 21's 0.1 kBtu/ft² across 46,810 sq ft works out to about 0 billion Btu (1 MWh-equivalent) in 2025. Its source EUI of 0.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 0 thousand gallons of water for the year.
Which law requires 310 N AVENUE 21 to report its energy use?
310 N AVENUE 21 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:494555850826:2025). 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.
More non-refrigerated warehouse buildings in Los Angeles
- 9601 OWENSMOUTH AVE· 45,920 sq ft · score 92 (A)
- 10465 ARMINTA ST· 45,714 sq ft · score 1 (D)
- 1011 FRANCISCO ST· 45,550 sq ft · score 79 (B)
- 991 FRANCISCO ST· 45,360 sq ft · score 49 (D)
- 2449 HUNTER ST· 45,144 sq ft · score 85 (A)
- 301 N AVENUE 19· 45,000 sq ft · score 99 (A)
- Non-Refrigerated Warehouse buildings in Los Angeles· 392 benchmarked
- All Los Angeles benchmarked buildings· LA Municipal Code Div. 97, §91.9701 (EBEWE)
- Most efficient large buildings in Los Angeles
- Least efficient large buildings in Los Angeles
- Biggest emitters in Los Angeles
Frequently asked questions
What is 310 N AVENUE 21's energy grade?
310 N AVENUE 21 did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 0.1 kBtu/ft².
How much energy does 310 N AVENUE 21 use?
Its 2025 site energy-use intensity was 0.1 kBtu/ft² (0.3 kBtu/ft² source) across 46,810 sq ft.
What are 310 N AVENUE 21's carbon emissions?
310 N AVENUE 21 reported 0 tCO₂e of greenhouse-gas emissions for 2025.
Where is 310 N AVENUE 21?
310 N AVENUE 21 is in Los Angeles, California 90031.
How big is 310 N AVENUE 21 and when was it built?
310 N AVENUE 21 has 46,810 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1923 as its year built. It is classed as non-refrigerated warehouse.
Is 310 N AVENUE 21 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, “310 N AVENUE 21, Los Angeles, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/los-angeles/310-n-avenue-21-bd2e597b (data as of October 2, 2026).