20401 Prairie St
Other - Utility in California, CA · 20401 Prairie St, Chatsworth · 91311
At a glance
20401 Prairie St is a 61,142-square-foot other - utility building at 20401 Prairie St, Chatsworth in Chatsworth, California, built in 1984. In its 2019 California benchmarking disclosure it reported a site energy-use intensity of 7.2 kBtu/ft² and 29 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2019
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 7.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 29 tCO₂e |
| GHG intensity | 0.5 kgCO₂e/ft² |
| Electricity | 129,595 kWh |
| Gross floor area | 61,142 sq ft |
| Source record | california:6549973:2019 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2019latest | — | 7.2 kBtu/ft² | 29 tCO₂e | |
| 2018 | — | 6.7 kBtu/ft² | 27 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 20401 Prairie St, Chatsworth
- City
- California
- State
- California
- ZIP
- 91311
- Coordinates
- 34.23911, -118.57763
Within ~1 km
Nearby benchmarked buildings
- 20525 Nordhoff Stscore 100
Non-Refrigerated Warehouse · 737,606 sq ft
- 20525 Nordhoff Streetscore 99
Non-Refrigerated Warehouse · 584,000 sq ft
Distribution Center · 319,348 sq ft
- 19-Ay1 Chatsworth Courthousescore 84
Courthouse · 302,436 sq ft
- 24 Apartmentsscore 96
Multifamily Housing · 247,043 sq ft
- 20730 Prairie Streetscore 81
Distribution Center · 221,842 sq ft
See also: most efficient in California · biggest emitters
How does 20401 Prairie St compare with other other - utility buildings in California?
The latest disclosures cover 14 other - utility buildings in California, out of 40,029 buildings citywide. Its site EUI of 7.2 kBtu/ft² is about 87% below the average of 54.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.5 kgCO₂e/ft² is about 88% below the group average of 4.0 kgCO₂e/ft².
At 61,142 sq ft, it is about 12% below the average floor area of 69,456 sq ft for those buildings. It was built in 1984, 9 years earlier than the group's average year built (1993). Across all 24 jurisdictions BuildingCensus covers, the 61 other - utility buildings average an ENERGY STAR score of 1 and a site EUI of 99.4 kBtu/ft².
How has 20401 Prairie St's energy performance changed over time?
BuildingCensus holds 2 California disclosures for 20401 Prairie St, covering report years 2018–2019. Site EUI moved from 6.7 kBtu/ft² (2018) to 7.2 kBtu/ft² (2019), an 7% increase. Reported emissions went from 27 tCO₂e to 29 tCO₂e over the same span (up 8%).
What does a site EUI of 7.2 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. 20401 Prairie St's 7.2 kBtu/ft² across 61,142 sq ft works out to about 0.4 billion Btu (129 MWh-equivalent) in 2019. The disclosure also reports 129,595 kWh of electricity for the year.
Which law requires 20401 Prairie St to report its energy use?
20401 Prairie St 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 2019 disclosure (source record california:6549973:2019). 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 other - utility buildings in California
- Winters Gas Operations Training Center - Gas Safety Academy· 60,370 sq ft · EUI 28.8 kBtu/ft²
- 20211 S Susana Rd· 56,557 sq ft · EUI 27.2 kBtu/ft²
- Evmwd District Hq· 53,591 sq ft · EUI 115.0 kBtu/ft²
- Arcadia Public Works Yard· 50,486 sq ft · EUI 19.1 kBtu/ft²
- Rocklin Distribution Control Center· 50,430 sq ft · EUI 99.5 kBtu/ft²
- Rancho California Water District· 50,000 sq ft · EUI 128.8 kBtu/ft²
- 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 20401 Prairie St's energy grade?
20401 Prairie St did not report an ENERGY STAR score in its 2019 disclosure, but its site energy-use intensity was 7.2 kBtu/ft².
How much energy does 20401 Prairie St use?
Its 2019 site energy-use intensity was 7.2 kBtu/ft² across 61,142 sq ft, including 129,595 kWh of electricity.
What are 20401 Prairie St's carbon emissions?
20401 Prairie St reported 29 tCO₂e of greenhouse-gas emissions (0.5 kgCO₂e/ft²) for 2019.
Where is 20401 Prairie St?
20401 Prairie St is at 20401 Prairie St, Chatsworth, in Chatsworth, California 91311. Its coordinates are 34.23911, -118.57763 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 20401 Prairie St and when was it built?
20401 Prairie St has 61,142 sq ft of gross floor area, as reported in its 2019 disclosure. The disclosure lists 1984 as its year built. It is classed as other - utility.
Is 20401 Prairie St covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2019 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, “20401 Prairie St, Chatsworth, California — 2019 benchmarking disclosure”, https://buildingcensus.com/buildings/california/20401-prairie-st-8e938202 (data as of July 9, 2026).