Building 4, 4 First American Way, Santa Ana
Office in California, CA · 4 First American Way, Santa Ana · 92705
At a glance
Building 4, 4 First American Way, Santa Ana is a 127,296-square-foot office building in Santa Ana, California, built in 1999. In its 2023 California benchmarking disclosure it reported an ENERGY STAR score of 87 out of 100 (grade A), a site energy-use intensity of 40.7 kBtu/ft² and 342 tCO₂e of greenhouse-gas emissions. That score is higher than 56% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 87 (band A) |
| Site EUI | 40.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 342 tCO₂e |
| GHG intensity | 2.7 kgCO₂e/ft² |
| Electricity | 1,098,752 kWh |
| Natural gas | 14,390 therms |
| Gross floor area | 127,296 sq ft |
| Source record | california:8717170:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 87 | +19 | 40.7 kBtu/ft² | 342 tCO₂e |
| 2018 | 68 | 53.4 kBtu/ft² | 445 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
- 4 First American Way, Santa Ana
- City
- California
- State
- California
- ZIP
- 92705
- Coordinates
- 33.70250, -117.86182
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Building 4, 4 First American Way, Santa Ana compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Building 4, 4 First American Way, Santa Ana's ENERGY STAR score of 87 compares with an average of 75 across the 4,912 that report a score; it scores higher than 56% of them and lower than 41%. Its site EUI of 40.7 kBtu/ft² is about 28% 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 2.7 kgCO₂e/ft² is about 25% below the group average of 3.6 kgCO₂e/ft².
At 127,296 sq ft, it is about 16% below the average floor area of 151,937 sq ft for those buildings. It was built in 1999, 14 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 Building 4, 4 First American Way, Santa Ana's energy performance changed over time?
BuildingCensus holds 2 California disclosures for Building 4, 4 First American Way, Santa Ana, covering report years 2018, 2023. Its ENERGY STAR score went from 68 in 2018 to 87 in 2023 (+19 points). Site EUI moved from 53.4 kBtu/ft² (2018) to 40.7 kBtu/ft² (2023), a 24% decrease. Reported emissions went from 445 tCO₂e to 342 tCO₂e over the same span (down 23%).
What does an ENERGY STAR score of 87 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 87 means the building performs better than about 87% of its national peers. BuildingCensus bands the score into report-card grades; 87 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. Building 4, 4 First American Way, Santa Ana's 40.7 kBtu/ft² across 127,296 sq ft works out to about 5.2 billion Btu (1,518 MWh-equivalent) in 2023. The disclosure also reports 1,098,752 kWh of electricity and 14,390 therms of natural gas for the year.
Which law requires Building 4, 4 First American Way, Santa Ana to report its energy use?
Building 4, 4 First American Way, Santa Ana 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 2023 disclosure (source record california:8717170:2023). 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
- Chamber Of Commerce· 127,285 sq ft · score 100 (A)
- Chamber Of Commerce· 127,285 sq ft · score 100 (A)
- Fdic San Francisco Regional Office· 127,215 sq ft · score 88 (A)
- 99 Almaden Boulevard - The Almaden· 127,164 sq ft · score 93 (A)
- Building A, 9233 Balboa Ave, San Diego· 127,146 sq ft · score 100 (A)
- Cubic Corp_Bldg1· 127,146 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 Building 4, 4 First American Way, Santa Ana's energy grade?
Building 4, 4 First American Way, Santa Ana scores 87 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2023 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Building 4, 4 First American Way, Santa Ana use?
Its 2023 site energy-use intensity was 40.7 kBtu/ft² across 127,296 sq ft, including 1,098,752 kWh of electricity and 14,390 therms of natural gas.
What are Building 4, 4 First American Way, Santa Ana's carbon emissions?
Building 4, 4 First American Way, Santa Ana reported 342 tCO₂e of greenhouse-gas emissions (2.7 kgCO₂e/ft²) for 2023.
Where is Building 4, 4 First American Way, Santa Ana?
Building 4, 4 First American Way, Santa Ana is in Santa Ana, California 92705. Its coordinates are 33.70250, -117.86182 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Building 4, 4 First American Way, Santa Ana and when was it built?
Building 4, 4 First American Way, Santa Ana has 127,296 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1999 as its year built. It is classed as office.
Is Building 4, 4 First American Way, Santa Ana covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2023 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, “Building 4, 4 First American Way, Santa Ana, Santa Ana, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/building-4-570c8481 (data as of July 9, 2026).