4685 Macarthur Court
Office in California, CA · 4685 Macarthur Court, Newport Beach · 92660
At a glance
4685 Macarthur Court is a 84,522-square-foot office building at 4685 Macarthur Court, Newport Beach in Newport Beach, California, built in 1980. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 73 out of 100 (grade B), a site energy-use intensity of 49.8 kBtu/ft² and 258 tCO₂e of greenhouse-gas emissions. That score is higher than 33% 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 | 73 (band B) |
| Site EUI | 49.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 258 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 724,272 kWh |
| Natural gas | 17,678 therms |
| Gross floor area | 84,522 sq ft |
| Source record | california:1166780:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 73 | +12 | 49.8 kBtu/ft² | 258 tCO₂e |
| 2023 | 61 | +3 | 53.4 kBtu/ft² | 287 tCO₂e |
| 2022 | 58 | +2 | 53.2 kBtu/ft² | 283 tCO₂e |
| 2021 | 56 | -1 | — | 266 tCO₂e |
| 2020 | 57 | -14 | 55.5 kBtu/ft² | 301 tCO₂e |
| 2019 | 71 | -5 | 62.6 kBtu/ft² | 342 tCO₂e |
| 2018 | 76 | 50.7 kBtu/ft² | 281 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
- 4685 Macarthur Court, Newport Beach
- City
- California
- State
- California
- ZIP
- 92660
- Coordinates
- 33.67050, -117.86306
Within ~1 km
Nearby benchmarked buildings
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- The Atriumscore 95
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- 5000 Birch Streetscore —
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See also: most efficient in California · biggest emitters
How does 4685 Macarthur Court compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 4685 Macarthur Court's ENERGY STAR score of 73 compares with an average of 75 across the 4,912 that report a score; it scores higher than 33% of them and lower than 66%. Its site EUI of 49.8 kBtu/ft² is about 12% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.0 kgCO₂e/ft² is about 15% below the group average of 3.6 kgCO₂e/ft².
At 84,522 sq ft, it is about 44% below the average floor area of 151,937 sq ft for those buildings. It was built in 1980, 5 years earlier than 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 4685 Macarthur Court's energy performance changed over time?
BuildingCensus holds 7 California disclosures for 4685 Macarthur Court, covering report years 2018–2024. Its ENERGY STAR score went from 76 in 2018 to 73 in 2024 (-3 points); its best year on file was 2018, at 76. Site EUI moved from 50.7 kBtu/ft² (2018) to 49.8 kBtu/ft² (2024), a 2% decrease. Reported emissions went from 281 tCO₂e to 258 tCO₂e over the same span (down 8%).
What does an ENERGY STAR score of 73 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 73 means the building performs better than about 73% of its national peers. BuildingCensus bands the score into report-card grades; 73 falls in band B — above median (70–84). It sits 2 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. 4685 Macarthur Court's 49.8 kBtu/ft² across 84,522 sq ft works out to about 4.2 billion Btu (1,234 MWh-equivalent) in 2024. The disclosure also reports 724,272 kWh of electricity and 17,678 therms of natural gas for the year.
Which law requires 4685 Macarthur Court to report its energy use?
4685 Macarthur Court 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:1166780:2024). 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
- 10996 Torreyana· 84,504 sq ft · EUI 59.3 kBtu/ft²
- Drawbridge Pacific View Corporate, Llc· 84,496 sq ft
- Bristol Square Investment Lp· 84,458 sq ft · score 98 (A)
- 1737 N. First St - Newmark· 84,453 sq ft · score 83 (B)
- First American Plaza· 84,453 sq ft · score 81 (B)
- Ca9911 - S. Los Robles Administration· 84,450 sq ft · score 57 (C)
- 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 4685 Macarthur Court's energy grade?
4685 Macarthur Court scores 73 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 4685 Macarthur Court use?
Its 2024 site energy-use intensity was 49.8 kBtu/ft² across 84,522 sq ft, including 724,272 kWh of electricity and 17,678 therms of natural gas.
What are 4685 Macarthur Court's carbon emissions?
4685 Macarthur Court reported 258 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2024.
Where is 4685 Macarthur Court?
4685 Macarthur Court is at 4685 Macarthur Court, Newport Beach, in Newport Beach, California 92660. Its coordinates are 33.67050, -117.86306 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 4685 Macarthur Court and when was it built?
4685 Macarthur Court has 84,522 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1980 as its year built. It is classed as office.
Is 4685 Macarthur Court 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, “4685 Macarthur Court, Newport Beach, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/4685-macarthur-court-06116cbf (data as of July 9, 2026).