18646 COLLINS ST
Multifamily Housing in Los Angeles, CA · 91356
At a glance
18646 COLLINS ST is a 29,022-square-foot multifamily housing building in Los Angeles, California, built in 1965. In its 2025 Los Angeles benchmarking disclosure it reported a site energy-use intensity of 77.6 kBtu/ft² and 120 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 | 77.6 kBtu/ft² |
| Source EUI | 82.4 kBtu/ft² |
| GHG emissions | 120 tCO₂e |
| GHG intensity | — |
| Water use | 285 kgal |
| Gross floor area | 29,022 sq ft |
| Source record | la:398290886168:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 77.6 kBtu/ft² | 120 tCO₂e | |
| 2024 | — | 82.8 kBtu/ft² | 128 tCO₂e | |
| 2023 | — | 105.4 kBtu/ft² | 163 tCO₂e | |
| 2022 | — | 21.4 kBtu/ft² | 33 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | — | — | |
| 2019 | — | — | — | |
| 2018 | — | — | — |
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
Landmark
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Location
- Address
- 18646 COLLINS ST
- City
- Los Angeles
- State
- California
- ZIP
- 91356
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 18646 COLLINS ST compare with other multifamily housing buildings in Los Angeles?
The latest disclosures cover 3,538 multifamily housing buildings in Los Angeles, out of 11,498 buildings citywide. Its site EUI of 77.6 kBtu/ft² is about twice the average of 37.2 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 29,022 sq ft, it is about half of the average floor area of 60,540 sq ft for those buildings. It was built in 1965, 10 years earlier than the group's average year built (1975). 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.
How has 18646 COLLINS ST's energy performance changed over time?
BuildingCensus holds 8 Los Angeles disclosures for 18646 COLLINS ST, covering report years 2018–2025. Site EUI moved from 21.4 kBtu/ft² (2022) to 77.6 kBtu/ft² (2025), an 263% increase. Reported emissions went from 33 tCO₂e to 120 tCO₂e over the same span (up 258%).
What does a site EUI of 77.6 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. 18646 COLLINS ST's 77.6 kBtu/ft² across 29,022 sq ft works out to about 2.3 billion Btu (660 MWh-equivalent) in 2025. Its source EUI of 82.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 285 thousand gallons of water for the year.
Which law requires 18646 COLLINS ST to report its energy use?
18646 COLLINS 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:398290886168:2025). 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 multifamily housing buildings in Los Angeles
- 934 LAKE ST· 29,003 sq ft · score 100 (A)
- 1757 N SERRANO AVE· 28,999 sq ft · score 69 (C)
- 8549 WILLIS AVE· 28,941 sq ft · score 63 (C)
- 1800 W TEMPLE ST· 28,926 sq ft · score 44 (D)
- 1026 W 43RD ST· 28,920 sq ft · score 100 (A)
- 535 W 41ST ST· 28,917 sq ft
- Multifamily Housing buildings in Los Angeles· 3,538 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 18646 COLLINS ST's energy grade?
18646 COLLINS ST did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 77.6 kBtu/ft².
How much energy does 18646 COLLINS ST use?
Its 2025 site energy-use intensity was 77.6 kBtu/ft² (82.4 kBtu/ft² source) across 29,022 sq ft.
What are 18646 COLLINS ST's carbon emissions?
18646 COLLINS ST reported 120 tCO₂e of greenhouse-gas emissions for 2025.
Where is 18646 COLLINS ST?
18646 COLLINS ST is in Los Angeles, California 91356.
How big is 18646 COLLINS ST and when was it built?
18646 COLLINS ST has 29,022 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1965 as its year built. It is classed as multifamily housing.
Is 18646 COLLINS 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, “18646 COLLINS ST, Los Angeles, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/los-angeles/18646-collins-st-518ffec0 (data as of October 2, 2026).