Regal Trojan Apartments (Rta)
Multifamily Housing in California, CA · 870 W Adams Blvd, Los Angeles · 90007
At a glance
Regal Trojan Apartments (Rta) is a 56,222-square-foot multifamily housing building at 870 W Adams Blvd, Los Angeles in Los Angeles, California, built in 1965. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 28 out of 100 (grade D), a site energy-use intensity of 38.0 kBtu/ft² and 131 tCO₂e of greenhouse-gas emissions. That score is higher than 5% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 28 (band D) |
| Site EUI | 38.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 131 tCO₂e |
| GHG intensity | 2.3 kgCO₂e/ft² |
| Electricity | 270,723 kWh |
| Gross floor area | 56,222 sq ft |
| Source record | california:6739764:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 28 | +8 | 38.0 kBtu/ft² | 131 tCO₂e |
| 2023 | 20 | -7 | 39.6 kBtu/ft² | 141 tCO₂e |
| 2022 | 27 | -19 | 38.8 kBtu/ft² | 133 tCO₂e |
| 2021 | 46 | -54 | 33.7 kBtu/ft² | 115 tCO₂e |
| 2020 | 100 | +13 | 25.6 kBtu/ft² | 75 tCO₂e |
| 2019 | 87 | 27.9 kBtu/ft² | 93 tCO₂e |
Compliance context
AB 802 (Public Resources Code §25402.10)
AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 870 W Adams Blvd, Los Angeles
- City
- California
- State
- California
- ZIP
- 90007
- Coordinates
- 34.03033, -118.28174
Within ~1 km
Nearby benchmarked buildings
- University Village (Uvi)score —
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- University Gatewayscore 89
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Residence Hall/Dormitory · 492,541 sq ft
Parking · 394,200 sq ft
Parking · 394,200 sq ft
Office · 384,823 sq ft
See also: most efficient in California · biggest emitters
How does Regal Trojan Apartments (Rta) compare with other multifamily housing buildings in California?
The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. Regal Trojan Apartments (Rta)'s ENERGY STAR score of 28 compares with an average of 82 across the 9,612 that report a score; it scores higher than 5% of them and lower than 95%. Its site EUI of 38.0 kBtu/ft² is about 10% above the average of 34.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 2.3 kgCO₂e/ft² is about 10% above the group average of 2.1 kgCO₂e/ft².
At 56,222 sq ft, it is about 63% below the average floor area of 150,919 sq ft for those buildings. It was built in 1965, 23 years earlier than the group's average year built (1988). 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 Regal Trojan Apartments (Rta)'s energy performance changed over time?
BuildingCensus holds 6 California disclosures for Regal Trojan Apartments (Rta), covering report years 2019–2024. Its ENERGY STAR score went from 87 in 2019 to 28 in 2024 (-59 points); its best year on file was 2020, at 100. Site EUI moved from 27.9 kBtu/ft² (2019) to 38.0 kBtu/ft² (2024), an 36% increase. Reported emissions went from 93 tCO₂e to 131 tCO₂e over the same span (up 40%).
What does an ENERGY STAR score of 28 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 28 means the building performs better than about 28% of its national peers. BuildingCensus bands the score into report-card grades; 28 falls in band D — lowest band (1–54). It sits 47 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.
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. Regal Trojan Apartments (Rta)'s 38.0 kBtu/ft² across 56,222 sq ft works out to about 2.1 billion Btu (626 MWh-equivalent) in 2024. The disclosure also reports 270,723 kWh of electricity for the year.
Which law requires Regal Trojan Apartments (Rta) to report its energy use?
Regal Trojan Apartments (Rta) reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:6739764:2024). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
More multifamily housing buildings in California
- Lakeland Aprtment Homes Llc· 56,220 sq ft · score 100 (A)
- Kirkham Heights (Kr24)· 56,214 sq ft · score 79 (B)
- Amanda Regency Apartments· 56,211 sq ft · score 58 (C)
- 110 7Th St· 56,184 sq ft · score 89 (A)
- Escondido Ii Midrise - Hulme· 56,177 sq ft · score 51 (D)
- Candlewood Park· 56,150 sq ft · score 95 (A)
- Multifamily Housing buildings in California· 10,630 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is Regal Trojan Apartments (Rta)'s energy grade?
Regal Trojan Apartments (Rta) scores 28 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Regal Trojan Apartments (Rta) use?
Its 2024 site energy-use intensity was 38.0 kBtu/ft² across 56,222 sq ft, including 270,723 kWh of electricity.
What are Regal Trojan Apartments (Rta)'s carbon emissions?
Regal Trojan Apartments (Rta) reported 131 tCO₂e of greenhouse-gas emissions (2.3 kgCO₂e/ft²) for 2024.
Where is Regal Trojan Apartments (Rta)?
Regal Trojan Apartments (Rta) is at 870 W Adams Blvd, Los Angeles, in Los Angeles, California 90007. Its coordinates are 34.03033, -118.28174 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Regal Trojan Apartments (Rta) and when was it built?
Regal Trojan Apartments (Rta) has 56,222 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1965 as its year built. It is classed as multifamily housing.
Is Regal Trojan Apartments (Rta) covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2024 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
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About this data
Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Regal Trojan Apartments (Rta), Los Angeles, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/regal-trojan-apartments-rta-e8f34574 (data as of July 9, 2026).