1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc
Hotel in California, CA · 21902 Lassen Street, Los Angeles · 91311
At a glance
1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc is a 86,868-square-foot hotel at 21902 Lassen Street, Los Angeles in Los Angeles, California, built in 1990. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 74 out of 100 (grade B), a site energy-use intensity of 50.1 kBtu/ft² and 264 tCO₂e of greenhouse-gas emissions. That score is higher than 37% of the 1,525 scored hotel buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 74 (band B) |
| Site EUI | 50.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 264 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 741,319 kWh |
| Natural gas | 18,103 therms |
| Gross floor area | 86,868 sq ft |
| Source record | california:15975617:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 74 | +1 | 50.1 kBtu/ft² | 264 tCO₂e |
| 2023 | 73 | +7 | 47.5 kBtu/ft² | 265 tCO₂e |
| 2022 | 66 | +8 | 50.8 kBtu/ft² | 287 tCO₂e |
| 2021 | 58 | 58.5 kBtu/ft² | 287 tCO₂e | |
| 2020 | — | — | — |
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
- 21902 Lassen Street, Los Angeles
- City
- California
- State
- California
- ZIP
- 91311
- Coordinates
- 34.24940, -118.60456
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc compare with other hotel buildings in California?
The latest disclosures cover 1,599 hotel buildings in California, out of 40,029 buildings citywide. 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc's ENERGY STAR score of 74 compares with an average of 74 across the 1,525 that report a score; it scores higher than 37% of them and lower than 62%. Its site EUI of 50.1 kBtu/ft² is about 24% below the average of 65.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.0 kgCO₂e/ft² is about 24% below the group average of 4.0 kgCO₂e/ft².
At 86,868 sq ft, it is about half of the average floor area of 167,786 sq ft for those buildings. Its 1990 construction date is close to the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 3,812 hotel buildings average an ENERGY STAR score of 65 and a site EUI of 77.8 kBtu/ft².
How has 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc's energy performance changed over time?
BuildingCensus holds 5 California disclosures for 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc, covering report years 2020–2024. Its ENERGY STAR score went from 58 in 2021 to 74 in 2024 (+16 points). Site EUI moved from 58.5 kBtu/ft² (2021) to 50.1 kBtu/ft² (2024), a 14% decrease. Reported emissions went from 287 tCO₂e to 264 tCO₂e over the same span (down 8%).
What does an ENERGY STAR score of 74 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 74 means the building performs better than about 74% of its national peers. BuildingCensus bands the score into report-card grades; 74 falls in band B — above median (70–84). It sits 1 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. 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc's 50.1 kBtu/ft² across 86,868 sq ft works out to about 4.4 billion Btu (1,275 MWh-equivalent) in 2024. The disclosure also reports 741,319 kWh of electricity and 18,103 therms of natural gas for the year.
Which law requires 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc to report its energy use?
1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc 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:15975617:2024). 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 hotel buildings in California
- 2006-Santa Ana· 86,791 sq ft · score 79 (B)
- Residence Inn Carlsbad· 86,600 sq ft · score 92 (A)
- Cy Oakland Airport - Ocy· 86,559 sq ft · score 43 (D)
- Oakland Ca Cy· 86,559 sq ft · score 89 (A)
- 57502-Sanos-Residence Inn San Diego Oceanside· 86,522 sq ft · score 75 (B)
- Alila Ventana Big Sur· 86,501 sq ft · score 55 (C)
- Hotel buildings in California· 1,599 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 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc's energy grade?
1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc scores 74 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc use?
Its 2024 site energy-use intensity was 50.1 kBtu/ft² across 86,868 sq ft, including 741,319 kWh of electricity and 18,103 therms of natural gas.
What are 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc's carbon emissions?
1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc reported 264 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2024.
Where is 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc?
1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc is at 21902 Lassen Street, Los Angeles, in Los Angeles, California 91311. Its coordinates are 34.24940, -118.60456 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc and when was it built?
1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc has 86,868 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1990 as its year built. It is classed as hotel.
Is 1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc 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, “1092 - Sonesta Es Suites Chatsworth 21902 Lassen - Svc, Los Angeles, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/1092-sonesta-es-suites-chatsworth-21902-lassen-svc-a08b9bf1 (data as of July 9, 2026).