The Arbors
Multifamily Housing in California, CA · 100 Civic Drive, Hercules · 94547
At a glance
The Arbors is a 59,263-square-foot multifamily housing building at 100 Civic Drive, Hercules in Hercules, California, built in 2000. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A), a site energy-use intensity of 15.9 kBtu/ft² and 60 tCO₂e of greenhouse-gas emissions. That score is higher than 76% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 15.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 60 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Electricity | 143,544 kWh |
| Natural gas | 5,186 therms |
| Gross floor area | 59,263 sq ft |
| Source record | california:5094249:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | ±0 | 15.9 kBtu/ft² | 60 tCO₂e |
| 2023 | 100 | ±0 | 19.2 kBtu/ft² | 66 tCO₂e |
| 2022 | 100 | ±0 | 17.2 kBtu/ft² | 62 tCO₂e |
| 2021 | 100 | 18.7 kBtu/ft² | 61 tCO₂e | |
| 2020 | — | — | — | |
| 2019 | 97 | 25.1 kBtu/ft² | 70 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
- 100 Civic Drive, Hercules
- City
- California
- State
- California
- ZIP
- 94547
- Coordinates
- 38.01136, -122.26672
Within ~1 km
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See also: most efficient in California · biggest emitters
How does The Arbors compare with other multifamily housing buildings in California?
The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. The Arbors's ENERGY STAR score of 100 compares with an average of 82 across the 9,612 that report a score; it scores higher than 76% of them. Its site EUI of 15.9 kBtu/ft² is about half of the average of 34.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.0 kgCO₂e/ft² is about half of the group average of 2.1 kgCO₂e/ft².
At 59,263 sq ft, it is about 61% below the average floor area of 150,919 sq ft for those buildings. It was built in 2000, 12 years later than the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has The Arbors's energy performance changed over time?
BuildingCensus holds 6 California disclosures for The Arbors, covering report years 2019–2024. Its ENERGY STAR score went from 97 in 2019 to 100 in 2024 (+3 points); its best year on file was 2021, at 100. Site EUI moved from 25.1 kBtu/ft² (2019) to 15.9 kBtu/ft² (2024), a 37% decrease. Reported emissions went from 70 tCO₂e to 60 tCO₂e over the same span (down 14%).
What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. The Arbors's 15.9 kBtu/ft² across 59,263 sq ft works out to about 0.9 billion Btu (276 MWh-equivalent) in 2024. The disclosure also reports 143,544 kWh of electricity and 5,186 therms of natural gas for the year.
Which law requires The Arbors to report its energy use?
The Arbors 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:5094249:2024). 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.
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- Multifamily Housing buildings in California· 10,630 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 The Arbors's energy grade?
The Arbors scores 100 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does The Arbors use?
Its 2024 site energy-use intensity was 15.9 kBtu/ft² across 59,263 sq ft, including 143,544 kWh of electricity and 5,186 therms of natural gas.
What are The Arbors's carbon emissions?
The Arbors reported 60 tCO₂e of greenhouse-gas emissions (1.0 kgCO₂e/ft²) for 2024.
Where is The Arbors?
The Arbors is at 100 Civic Drive, Hercules, in Hercules, California 94547. Its coordinates are 38.01136, -122.26672 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is The Arbors and when was it built?
The Arbors has 59,263 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2000 as its year built. It is classed as multifamily housing.
Is The Arbors 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, “The Arbors, Hercules, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/the-arbors-fc79701d (data as of July 9, 2026).