Ca9911 - S. Los Robles Administration
Office in California, CA · 100 South Los Robles Avenue, Pasadena · 91101
At a glance
Ca9911 - S. Los Robles Administration is a 84,450-square-foot office building at 100 South Los Robles Avenue, Pasadena in Pasadena, California, built in 1983. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 57 out of 100 (grade C), a site energy-use intensity of 63.9 kBtu/ft² and 354 tCO₂e of greenhouse-gas emissions. That score is higher than 20% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 57 (band C) |
| Site EUI | 63.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 354 tCO₂e |
| GHG intensity | 4.2 kgCO₂e/ft² |
| Electricity | 1,553,933 kWh |
| Natural gas | 396 therms |
| Gross floor area | 84,450 sq ft |
| Source record | california:2551187:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 57 | +3 | 63.9 kBtu/ft² | 354 tCO₂e |
| 2023 | 54 | -7 | 71.5 kBtu/ft² | 415 tCO₂e |
| 2022 | 61 | -1 | 61.1 kBtu/ft² | 348 tCO₂e |
| 2021 | 62 | +14 | 59.3 kBtu/ft² | 298 tCO₂e |
| 2020 | 48 | +12 | 70.2 kBtu/ft² | 392 tCO₂e |
| 2018 | 36 | 80.1 kBtu/ft² | 471 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
- 100 South Los Robles Avenue, Pasadena
- City
- California
- State
- California
- ZIP
- 91101
- Coordinates
- 34.14383, -118.14095
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Ca9911 - S. Los Robles Administration compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Ca9911 - S. Los Robles Administration's ENERGY STAR score of 57 compares with an average of 75 across the 4,912 that report a score; it scores higher than 20% of them and lower than 80%. Its site EUI of 63.9 kBtu/ft² is about 13% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.2 kgCO₂e/ft² is about 16% above the group average of 3.6 kgCO₂e/ft².
At 84,450 sq ft, it is about 44% below the average floor area of 151,937 sq ft for those buildings. Its 1983 construction date is close to the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Ca9911 - S. Los Robles Administration's energy performance changed over time?
BuildingCensus holds 6 California disclosures for Ca9911 - S. Los Robles Administration, covering report years 2018, 2020, 2021, 2022, 2023, 2024. Its ENERGY STAR score went from 36 in 2018 to 57 in 2024 (+21 points); its best year on file was 2021, at 62. Site EUI moved from 80.1 kBtu/ft² (2018) to 63.9 kBtu/ft² (2024), a 20% decrease. Reported emissions went from 471 tCO₂e to 354 tCO₂e over the same span (down 25%).
What does an ENERGY STAR score of 57 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 57 means the building performs better than about 57% of its national peers. BuildingCensus bands the score into report-card grades; 57 falls in band C — below median (55–69). It sits 18 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. Ca9911 - S. Los Robles Administration's 63.9 kBtu/ft² across 84,450 sq ft works out to about 5.4 billion Btu (1,582 MWh-equivalent) in 2024. The disclosure also reports 1,553,933 kWh of electricity and 396 therms of natural gas for the year.
Which law requires Ca9911 - S. Los Robles Administration to report its energy use?
Ca9911 - S. Los Robles Administration 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:2551187:2024). 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 office buildings in California
- 021 State Personnel Building· 84,400 sq ft · score 83 (B)
- 9300 Flair Drive (M1)· 84,395 sq ft · score 75 (B)
- 9300 Flair Dr, El Monte, Ca 91731, Usa· 84,395 sq ft · score 57 (C)
- Yuba County Government Center· 84,362 sq ft · score 95 (A)
- 26800-26850 Agoura Rd (Cypress Land)· 84,334 sq ft · score 56 (C)
- 1181 California Avenue· 84,330 sq ft · score 97 (A)
- Office buildings in California· 6,214 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 Ca9911 - S. Los Robles Administration's energy grade?
Ca9911 - S. Los Robles Administration scores 57 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Ca9911 - S. Los Robles Administration use?
Its 2024 site energy-use intensity was 63.9 kBtu/ft² across 84,450 sq ft, including 1,553,933 kWh of electricity and 396 therms of natural gas.
What are Ca9911 - S. Los Robles Administration's carbon emissions?
Ca9911 - S. Los Robles Administration reported 354 tCO₂e of greenhouse-gas emissions (4.2 kgCO₂e/ft²) for 2024.
Where is Ca9911 - S. Los Robles Administration?
Ca9911 - S. Los Robles Administration is at 100 South Los Robles Avenue, Pasadena, in Pasadena, California 91101. Its coordinates are 34.14383, -118.14095 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Ca9911 - S. Los Robles Administration and when was it built?
Ca9911 - S. Los Robles Administration has 84,450 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1983 as its year built. It is classed as office.
Is Ca9911 - S. Los Robles Administration 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, “Ca9911 - S. Los Robles Administration, Pasadena, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/ca9911-s-los-robles-administration-332240ad (data as of July 9, 2026).