162 Iron Workers Office Plaza
Office in California, CA · 131 North El Molino Avenue, Pasadena · 91101
At a glance
162 Iron Workers Office Plaza is a 72,000-square-foot office building at 131 North El Molino Avenue, Pasadena in Pasadena, California, built in 1985. 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 56.7 kBtu/ft² and 251 tCO₂e of greenhouse-gas emissions. That score is higher than 34% 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 | 74 (band B) |
| Site EUI | 56.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 251 tCO₂e |
| GHG intensity | 3.5 kgCO₂e/ft² |
| Electricity | 683,314 kWh |
| Natural gas | 18,160 therms |
| Gross floor area | 72,000 sq ft |
| Source record | california:28092713:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 74 | +14 | 56.7 kBtu/ft² | 251 tCO₂e |
| 2023 | 60 | -25 | 63.1 kBtu/ft² | 284 tCO₂e |
| 2022 | 85 | 32.6 kBtu/ft² | 161 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
- 131 North El Molino Avenue, Pasadena
- City
- California
- State
- California
- ZIP
- 91101
- Coordinates
- 34.14835, -118.13731
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 162 Iron Workers Office Plaza compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 162 Iron Workers Office Plaza's ENERGY STAR score of 74 compares with an average of 75 across the 4,912 that report a score; it scores higher than 34% of them and lower than 65%. Its site EUI of 56.7 kBtu/ft² is roughly in line with the average of 56.4 kBtu/ft². Its emissions intensity of 3.5 kgCO₂e/ft² is roughly in line with the group average of 3.6 kgCO₂e/ft².
At 72,000 sq ft, it is about half of the average floor area of 151,937 sq ft for those buildings. Its 1985 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 162 Iron Workers Office Plaza's energy performance changed over time?
BuildingCensus holds 3 California disclosures for 162 Iron Workers Office Plaza, covering report years 2022–2024. Its ENERGY STAR score went from 85 in 2022 to 74 in 2024 (-11 points); its best year on file was 2022, at 85. Site EUI moved from 32.6 kBtu/ft² (2022) to 56.7 kBtu/ft² (2024), an 74% increase. Reported emissions went from 161 tCO₂e to 251 tCO₂e over the same span (up 56%).
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. 162 Iron Workers Office Plaza's 56.7 kBtu/ft² across 72,000 sq ft works out to about 4.1 billion Btu (1,196 MWh-equivalent) in 2024. The disclosure also reports 683,314 kWh of electricity and 18,160 therms of natural gas for the year.
Which law requires 162 Iron Workers Office Plaza to report its energy use?
162 Iron Workers Office Plaza 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:28092713:2024). 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
- 9301 Oakdale Manager, Llc.· 71,980 sq ft · score 25 (D)
- 3130 Wilshire Blvd - Wilshire Shatto Center· 71,969 sq ft · score 89 (A)
- Orange Financial Center, Building 681· 71,934 sq ft · score 83 (B)
- 9500 Ming Ave, Bakersfield, Ca 93311, Usa· 71,922 sq ft · score 93 (A)
- 790 Lindaro St· 71,919 sq ft · score 90 (A)
- Hudson 10912 Washington· 71,886 sq ft · score 98 (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 162 Iron Workers Office Plaza's energy grade?
162 Iron Workers Office Plaza 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 162 Iron Workers Office Plaza use?
Its 2024 site energy-use intensity was 56.7 kBtu/ft² across 72,000 sq ft, including 683,314 kWh of electricity and 18,160 therms of natural gas.
What are 162 Iron Workers Office Plaza's carbon emissions?
162 Iron Workers Office Plaza reported 251 tCO₂e of greenhouse-gas emissions (3.5 kgCO₂e/ft²) for 2024.
Where is 162 Iron Workers Office Plaza?
162 Iron Workers Office Plaza is at 131 North El Molino Avenue, Pasadena, in Pasadena, California 91101. Its coordinates are 34.14835, -118.13731 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 162 Iron Workers Office Plaza and when was it built?
162 Iron Workers Office Plaza has 72,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1985 as its year built. It is classed as office.
Is 162 Iron Workers Office Plaza 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, “162 Iron Workers Office Plaza, Pasadena, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/162-iron-workers-office-plaza-c5f81efd (data as of July 9, 2026).