64-E1 601 W. Santa Ana Blvd - 4 Dca 3
Courthouse in California, CA · 601 West Santa Ana Boulevard, Santa Ana · 92701
At a glance
64-E1 601 W. Santa Ana Blvd - 4 Dca 3 is a 51,960-square-foot courthouse building at 601 West Santa Ana Boulevard, Santa Ana in Santa Ana, California, built in 2009. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 64 out of 100 (grade C), a site energy-use intensity of 56.9 kBtu/ft² and 182 tCO₂e of greenhouse-gas emissions. That score is higher than 53% of the 93 scored courthouse buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 64 (band C) |
| Site EUI | 56.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 182 tCO₂e |
| GHG intensity | 3.5 kgCO₂e/ft² |
| Electricity | 561,113 kWh |
| Natural gas | 10,414 therms |
| Gross floor area | 51,960 sq ft |
| Source record | california:7815765:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 64 | ±0 | 56.9 kBtu/ft² | 182 tCO₂e |
| 2023 | 64 | +8 | 57.3 kBtu/ft² | 192 tCO₂e |
| 2022 | 56 | +3 | 68.5 kBtu/ft² | 218 tCO₂e |
| 2021 | 53 | ±0 | 75.6 kBtu/ft² | 222 tCO₂e |
| 2020 | 53 | +4 | 78.5 kBtu/ft² | 238 tCO₂e |
| 2019 | 49 | -3 | 83.3 kBtu/ft² | 262 tCO₂e |
| 2018 | 52 | 78.0 kBtu/ft² | 244 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
- 601 West Santa Ana Boulevard, Santa Ana
- City
- California
- State
- California
- ZIP
- 92701
- Coordinates
- 33.74928, -117.87285
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 64-E1 601 W. Santa Ana Blvd - 4 Dca 3 compare with other courthouse buildings in California?
The latest disclosures cover 114 courthouse buildings in California, out of 40,029 buildings citywide. 64-E1 601 W. Santa Ana Blvd - 4 Dca 3's ENERGY STAR score of 64 compares with an average of 61 across the 93 that report a score; it scores higher than 53% of them and lower than 45%. Its site EUI of 56.9 kBtu/ft² is about 26% below the average of 76.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.5 kgCO₂e/ft² is about 25% below the group average of 4.7 kgCO₂e/ft².
At 51,960 sq ft, it is about 72% below the average floor area of 184,912 sq ft for those buildings. It was built in 2009, 27 years later than the group's average year built (1982). Across all 24 jurisdictions BuildingCensus covers, the 178 courthouse buildings average an ENERGY STAR score of 62 and a site EUI of 76.2 kBtu/ft².
How has 64-E1 601 W. Santa Ana Blvd - 4 Dca 3's energy performance changed over time?
BuildingCensus holds 7 California disclosures for 64-E1 601 W. Santa Ana Blvd - 4 Dca 3, covering report years 2018–2024. Its ENERGY STAR score went from 52 in 2018 to 64 in 2024 (+12 points); its best year on file was 2023, at 64. Site EUI moved from 78.0 kBtu/ft² (2018) to 56.9 kBtu/ft² (2024), a 27% decrease. Reported emissions went from 244 tCO₂e to 182 tCO₂e over the same span (down 25%).
What does an ENERGY STAR score of 64 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 64 means the building performs better than about 64% of its national peers. BuildingCensus bands the score into report-card grades; 64 falls in band C — below median (55–69). It sits 11 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. 64-E1 601 W. Santa Ana Blvd - 4 Dca 3's 56.9 kBtu/ft² across 51,960 sq ft works out to about 3 billion Btu (866 MWh-equivalent) in 2024. The disclosure also reports 561,113 kWh of electricity and 10,414 therms of natural gas for the year.
Which law requires 64-E1 601 W. Santa Ana Blvd - 4 Dca 3 to report its energy use?
64-E1 601 W. Santa Ana Blvd - 4 Dca 3 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:7815765:2024). 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 courthouse buildings in California
- Aoc - El Centro· 50,540 sq ft · EUI 85.3 kBtu/ft²
- San Pedro Courthouse (Ab 802)· 50,216 sq ft
- Courthouse buildings in California· 114 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 64-E1 601 W. Santa Ana Blvd - 4 Dca 3's energy grade?
64-E1 601 W. Santa Ana Blvd - 4 Dca 3 scores 64 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 64-E1 601 W. Santa Ana Blvd - 4 Dca 3 use?
Its 2024 site energy-use intensity was 56.9 kBtu/ft² across 51,960 sq ft, including 561,113 kWh of electricity and 10,414 therms of natural gas.
What are 64-E1 601 W. Santa Ana Blvd - 4 Dca 3's carbon emissions?
64-E1 601 W. Santa Ana Blvd - 4 Dca 3 reported 182 tCO₂e of greenhouse-gas emissions (3.5 kgCO₂e/ft²) for 2024.
Where is 64-E1 601 W. Santa Ana Blvd - 4 Dca 3?
64-E1 601 W. Santa Ana Blvd - 4 Dca 3 is at 601 West Santa Ana Boulevard, Santa Ana, in Santa Ana, California 92701. Its coordinates are 33.74928, -117.87285 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 64-E1 601 W. Santa Ana Blvd - 4 Dca 3 and when was it built?
64-E1 601 W. Santa Ana Blvd - 4 Dca 3 has 51,960 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2009 as its year built. It is classed as courthouse.
Is 64-E1 601 W. Santa Ana Blvd - 4 Dca 3 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, “64-E1 601 W. Santa Ana Blvd - 4 Dca 3, Santa Ana, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/64-e1-601-w-santa-ana-blvd-4-dca-3-d0d5001a (data as of July 9, 2026).