1239 257TH ST
Self-Storage Facility in Los Angeles, CA · 90710
At a glance
1239 257TH ST is a 62,442-square-foot self-storage facility in Los Angeles, California, built in 1982. In its 2025 Los Angeles benchmarking disclosure it reported a site energy-use intensity of 1.8 kBtu/ft² and 7 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 | 1.8 kBtu/ft² |
| Source EUI | 5.2 kBtu/ft² |
| GHG emissions | 7 tCO₂e |
| GHG intensity | — |
| Water use | 42 kgal |
| Gross floor area | 62,442 sq ft |
| Source record | la:470809746869:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 1.8 kBtu/ft² | 7 tCO₂e | |
| 2024 | — | 1.9 kBtu/ft² | 8 tCO₂e | |
| 2023 | — | 2.3 kBtu/ft² | 10 tCO₂e | |
| 2022 | — | 2.5 kBtu/ft² | 11 tCO₂e | |
| 2021 | — | 2.5 kBtu/ft² | 10 tCO₂e | |
| 2020 | — | 2.4 kBtu/ft² | 10 tCO₂e | |
| 2019 | — | 2.8 kBtu/ft² | 12 tCO₂e | |
| 2018 | — | 3.2 kBtu/ft² | 14 tCO₂e | |
| 2017 | — | 3.1 kBtu/ft² | 15 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
Westport NML Venture LLC
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Location
- Address
- 1239 257TH ST
- City
- Los Angeles
- State
- California
- ZIP
- 90710
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 1239 257TH ST compare with other self-storage facility buildings in Los Angeles?
The latest disclosures cover 148 self-storage facility buildings in Los Angeles, out of 11,498 buildings citywide. Its site EUI of 1.8 kBtu/ft² is about 66% below the average of 5.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 62,442 sq ft, it is about 27% below the average floor area of 85,483 sq ft for those buildings. It was built in 1982, 13 years earlier than the group's average year built (1995). Across all 24 jurisdictions BuildingCensus covers, the 3,050 self-storage facility buildings average an ENERGY STAR score of 75 and a site EUI of 9.4 kBtu/ft².
How has 1239 257TH ST's energy performance changed over time?
BuildingCensus holds 9 Los Angeles disclosures for 1239 257TH ST, covering report years 2017–2025. Site EUI moved from 3.1 kBtu/ft² (2017) to 1.8 kBtu/ft² (2025), a 42% decrease. Reported emissions went from 15 tCO₂e to 7 tCO₂e over the same span (down 55%).
What does a site EUI of 1.8 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. 1239 257TH ST's 1.8 kBtu/ft² across 62,442 sq ft works out to about 0.1 billion Btu (33 MWh-equivalent) in 2025. Its source EUI of 5.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 42 thousand gallons of water for the year.
Which law requires 1239 257TH ST to report its energy use?
1239 257TH 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:470809746869:2025). 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 self-storage facility buildings in Los Angeles
- 9111 JORDAN AVE· 62,000 sq ft · EUI 2.9 kBtu/ft²
- 10400 SUNLAND BLVD· 61,150 sq ft · EUI 1.5 kBtu/ft²
- 6701 S SEPULVEDA BLVD· 61,076 sq ft · EUI 1.9 kBtu/ft²
- 12940 SATICOY ST· 60,978 sq ft · EUI 2.1 kBtu/ft²
- 1701 W SLAUSON AVE· 60,489 sq ft · EUI 5.2 kBtu/ft²
- 10200 AVIATION BLVD· 59,912 sq ft · EUI 14.5 kBtu/ft²
- Self-Storage Facility buildings in Los Angeles· 148 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 1239 257TH ST's energy grade?
1239 257TH ST did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 1.8 kBtu/ft².
How much energy does 1239 257TH ST use?
Its 2025 site energy-use intensity was 1.8 kBtu/ft² (5.2 kBtu/ft² source) across 62,442 sq ft.
What are 1239 257TH ST's carbon emissions?
1239 257TH ST reported 7 tCO₂e of greenhouse-gas emissions for 2025.
Where is 1239 257TH ST?
1239 257TH ST is in Los Angeles, California 90710.
How big is 1239 257TH ST and when was it built?
1239 257TH ST has 62,442 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1982 as its year built. It is classed as self-storage facility.
Is 1239 257TH 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, “1239 257TH ST, Los Angeles, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/los-angeles/1239-257th-st-51b509b5 (data as of October 2, 2026).