Corporate Hq Building A (5120)
Office in California, CA · 5120 Hacienda Drive, Dublin · 94568
At a glance
Corporate Hq Building A (5120) is a 111,058-square-foot office building at 5120 Hacienda Drive, Dublin in Dublin, California, built in 2000. 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 95.2 kBtu/ft² and 616 tCO₂e of greenhouse-gas emissions. That score is higher than 25% 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 | 64 (band C) |
| Site EUI | 95.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 616 tCO₂e |
| GHG intensity | 5.5 kgCO₂e/ft² |
| Electricity | 1,323,885 kWh |
| Natural gas | 59,594 therms |
| Gross floor area | 111,058 sq ft |
| Source record | california:27484714:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 64 | -4 | 95.2 kBtu/ft² | 616 tCO₂e |
| 2023 | 68 | ±0 | 86.9 kBtu/ft² | 600 tCO₂e |
| 2022 | 68 | 88.2 kBtu/ft² | 589 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
- 5120 Hacienda Drive, Dublin
- City
- California
- State
- California
- ZIP
- 94568
- Coordinates
- 37.70953, -121.88908
Within ~1 km
Nearby benchmarked buildings
- 11060 - Santa Rita Jailscore —
Prison/Incarceration · 962,846 sq ft
- Emerald Park - Co (Ml91)score 92
Multifamily Housing · 472,305 sq ft
Multifamily Housing · 465,558 sq ft
Multifamily Housing · 433,523 sq ft
- Fountains At Emerald Park (Rc10)score 74
Multifamily Housing · 323,940 sq ft
- Emerald Parkscore 100
Multifamily Housing · 322,410 sq ft
See also: most efficient in California · biggest emitters
How does Corporate Hq Building A (5120) compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Corporate Hq Building A (5120)'s ENERGY STAR score of 64 compares with an average of 75 across the 4,912 that report a score; it scores higher than 25% of them and lower than 75%. Its site EUI of 95.2 kBtu/ft² is about 69% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 5.5 kgCO₂e/ft² is about 54% above the group average of 3.6 kgCO₂e/ft².
At 111,058 sq ft, it is about 27% below the average floor area of 151,937 sq ft for those buildings. It was built in 2000, 15 years later 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 Corporate Hq Building A (5120)'s energy performance changed over time?
BuildingCensus holds 3 California disclosures for Corporate Hq Building A (5120), covering report years 2022–2024. Its ENERGY STAR score went from 68 in 2022 to 64 in 2024 (-4 points); its best year on file was 2022, at 68. Site EUI moved from 88.2 kBtu/ft² (2022) to 95.2 kBtu/ft² (2024), an 8% increase. Reported emissions went from 589 tCO₂e to 616 tCO₂e over the same span (up 5%).
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. Corporate Hq Building A (5120)'s 95.2 kBtu/ft² across 111,058 sq ft works out to about 10.6 billion Btu (3,099 MWh-equivalent) in 2024. The disclosure also reports 1,323,885 kWh of electricity and 59,594 therms of natural gas for the year.
Which law requires Corporate Hq Building A (5120) to report its energy use?
Corporate Hq Building A (5120) 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:27484714:2024). 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
- General Office· 111,022 sq ft · score 55 (C)
- Smbp - Building Y· 111,003 sq ft
- Torrance - City Hall· 110,973 sq ft · score 50 (D)
- 10391 Peter A Mccuen Blvd· 110,960 sq ft · score 97 (A)
- Cal Oes· 110,960 sq ft
- Corporate Pointe· 110,924 sq ft · score 66 (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 Corporate Hq Building A (5120)'s energy grade?
Corporate Hq Building A (5120) 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 Corporate Hq Building A (5120) use?
Its 2024 site energy-use intensity was 95.2 kBtu/ft² across 111,058 sq ft, including 1,323,885 kWh of electricity and 59,594 therms of natural gas.
What are Corporate Hq Building A (5120)'s carbon emissions?
Corporate Hq Building A (5120) reported 616 tCO₂e of greenhouse-gas emissions (5.5 kgCO₂e/ft²) for 2024.
Where is Corporate Hq Building A (5120)?
Corporate Hq Building A (5120) is at 5120 Hacienda Drive, Dublin, in Dublin, California 94568. Its coordinates are 37.70953, -121.88908 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Corporate Hq Building A (5120) and when was it built?
Corporate Hq Building A (5120) has 111,058 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2000 as its year built. It is classed as office.
Is Corporate Hq Building A (5120) 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).
Working with California building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Corporate Hq Building A (5120), Dublin, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/corporate-hq-building-a-5120-81af3d6c (data as of July 9, 2026).