One Colorado (Nc034)
Lifestyle Center in California, CA · 24 Union Street, Pasadena · 91105
At a glance
One Colorado (Nc034) is a 245,950-square-foot lifestyle center at 24 Union Street, Pasadena in Pasadena, California, built in 1985. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 74.3 kBtu/ft² and 1,093 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 74.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,093 tCO₂e |
| GHG intensity | 4.4 kgCO₂e/ft² |
| Electricity | 2,927,762 kWh |
| Natural gas | 80,953 therms |
| Gross floor area | 245,950 sq ft |
| Source record | california:11151435:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 74.3 kBtu/ft² | 1,093 tCO₂e | |
| 2023 | — | 85.7 kBtu/ft² | 1,264 tCO₂e | |
| 2022 | — | 90.2 kBtu/ft² | 1,398 tCO₂e | |
| 2021 | — | 102.6 kBtu/ft² | 1,452 tCO₂e | |
| 2020 | — | 111.0 kBtu/ft² | 1,698 tCO₂e | |
| 2019 | — | 127.6 kBtu/ft² | 1,897 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
- 24 Union Street, Pasadena
- City
- California
- State
- California
- ZIP
- 91105
- Coordinates
- 34.14660, -118.14972
Within ~1 km
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- Westgate Pasadena (Ws211)score 100
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See also: most efficient in California · biggest emitters
How does One Colorado (Nc034) compare with other lifestyle center buildings in California?
The latest disclosures cover 128 lifestyle center buildings in California, out of 40,029 buildings citywide. Its site EUI of 74.3 kBtu/ft² is about 10% above the average of 67.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.4 kgCO₂e/ft² is roughly in line with the group average of 4.3 kgCO₂e/ft².
At 245,950 sq ft, it is roughly in line with the average floor area of 269,903 sq ft for those buildings. It was built in 1985, 9 years earlier than the group's average year built (1995). Across all 24 jurisdictions BuildingCensus covers, the 163 lifestyle center buildings average an ENERGY STAR score of 53 and a site EUI of 76.1 kBtu/ft².
How has One Colorado (Nc034)'s energy performance changed over time?
BuildingCensus holds 6 California disclosures for One Colorado (Nc034), covering report years 2019–2024. Site EUI moved from 127.6 kBtu/ft² (2019) to 74.3 kBtu/ft² (2024), a 42% decrease. Reported emissions went from 1,897 tCO₂e to 1,093 tCO₂e over the same span (down 42%).
What does a site EUI of 74.3 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. One Colorado (Nc034)'s 74.3 kBtu/ft² across 245,950 sq ft works out to about 18.3 billion Btu (5,356 MWh-equivalent) in 2024. The disclosure also reports 2,927,762 kWh of electricity and 80,953 therms of natural gas for the year.
Which law requires One Colorado (Nc034) to report its energy use?
One Colorado (Nc034) 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:11151435:2024). 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 lifestyle center buildings in California
- Blackhawk Plaza· 231,142 sq ft · EUI 24.8 kBtu/ft²
- San Jose Market Center· 218,050 sq ft · EUI 18.4 kBtu/ft²
- The Veranda· 205,376 sq ft · EUI 87.0 kBtu/ft²
- (Landlord Controlled) 7868-Napa Premium Outlets, Napa,Ca· 195,643 sq ft · EUI 2.0 kBtu/ft²
- 7868-Napa Premium Outlets· 195,643 sq ft · EUI 38.5 kBtu/ft²
- 360 - Vista Village· 195,009 sq ft · EUI 138.5 kBtu/ft²
- Lifestyle Center buildings in California· 128 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 One Colorado (Nc034)'s energy grade?
One Colorado (Nc034) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 74.3 kBtu/ft².
How much energy does One Colorado (Nc034) use?
Its 2024 site energy-use intensity was 74.3 kBtu/ft² across 245,950 sq ft, including 2,927,762 kWh of electricity and 80,953 therms of natural gas.
What are One Colorado (Nc034)'s carbon emissions?
One Colorado (Nc034) reported 1,093 tCO₂e of greenhouse-gas emissions (4.4 kgCO₂e/ft²) for 2024.
Where is One Colorado (Nc034)?
One Colorado (Nc034) is at 24 Union Street, Pasadena, in Pasadena, California 91105. Its coordinates are 34.14660, -118.14972 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is One Colorado (Nc034) and when was it built?
One Colorado (Nc034) has 245,950 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1985 as its year built. It is classed as lifestyle center.
Is One Colorado (Nc034) 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, “One Colorado (Nc034), Pasadena, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/one-colorado-nc034-1bb51d8a (data as of July 9, 2026).