380 Portage Ave (Playground Global)
Office in California, CA · 380 Portage Ave, Palo Alto · 94306
At a glance
380 Portage Ave (Playground Global) is a 71,029-square-foot office building at 380 Portage Ave, Palo Alto in Palo Alto, California, built in 1930. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 43 out of 100 (grade D), a site energy-use intensity of 126.1 kBtu/ft² and 557 tCO₂e of greenhouse-gas emissions. That score is higher than 13% 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 | 43 (band D) |
| Site EUI | 126.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 557 tCO₂e |
| GHG intensity | 7.8 kgCO₂e/ft² |
| Electricity | 2,011,012 kWh |
| Natural gas | 19,151 therms |
| Gross floor area | 71,029 sq ft |
| Source record | california:6432170:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 43 | -18 | 126.1 kBtu/ft² | 557 tCO₂e |
| 2023 | 61 | -5 | 108.4 kBtu/ft² | 500 tCO₂e |
| 2022 | 66 | -34 | 98.1 kBtu/ft² | 450 tCO₂e |
| 2021 | 100 | — | 232 tCO₂e | |
| 2020 | — | — | — | |
| 2019 | 97 | — | 364 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
- 380 Portage Ave, Palo Alto
- City
- California
- State
- California
- ZIP
- 94306
- Coordinates
- 37.42288, -122.13831
Within ~1 km
Nearby benchmarked buildings
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- Palo Alto Var B3score —
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- 755 Page Mill Rdscore 67
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See also: most efficient in California · biggest emitters
How does 380 Portage Ave (Playground Global) compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 380 Portage Ave (Playground Global)'s ENERGY STAR score of 43 compares with an average of 75 across the 4,912 that report a score; it scores higher than 13% of them and lower than 87%. Its site EUI of 126.1 kBtu/ft² is about 124% 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 7.8 kgCO₂e/ft² is about twice the group average of 3.6 kgCO₂e/ft².
At 71,029 sq ft, it is about half of the average floor area of 151,937 sq ft for those buildings. It was built in 1930, 55 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 380 Portage Ave (Playground Global)'s energy performance changed over time?
BuildingCensus holds 6 California disclosures for 380 Portage Ave (Playground Global), covering report years 2019–2024. Its ENERGY STAR score went from 97 in 2019 to 43 in 2024 (-54 points); its best year on file was 2021, at 100. Site EUI moved from 98.1 kBtu/ft² (2022) to 126.1 kBtu/ft² (2024), an 29% increase. Reported emissions went from 364 tCO₂e to 557 tCO₂e over the same span (up 53%).
What does an ENERGY STAR score of 43 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 43 means the building performs better than about 43% of its national peers. BuildingCensus bands the score into report-card grades; 43 falls in band D — lowest band (1–54). It sits 32 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. 380 Portage Ave (Playground Global)'s 126.1 kBtu/ft² across 71,029 sq ft works out to about 9 billion Btu (2,625 MWh-equivalent) in 2024. The disclosure also reports 2,011,012 kWh of electricity and 19,151 therms of natural gas for the year.
Which law requires 380 Portage Ave (Playground Global) to report its energy use?
380 Portage Ave (Playground Global) 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:6432170:2024). 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
- 5505 Morehouse Drive· 71,016 sq ft · EUI 110.2 kBtu/ft²
- 2800 Sand Hill Road· 71,014 sq ft · EUI 83.9 kBtu/ft²
- West Sacramento Rmc _702802_L408· 71,007 sq ft · score 50 (D)
- Aoc 39· 71,000 sq ft · score 83 (B)
- 2535 W Hillcrest· 71,000 sq ft · score 64 (C)
- 6200 Greenwich Drive· 70,987 sq ft · score 87 (A)
- 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 380 Portage Ave (Playground Global)'s energy grade?
380 Portage Ave (Playground Global) scores 43 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 380 Portage Ave (Playground Global) use?
Its 2024 site energy-use intensity was 126.1 kBtu/ft² across 71,029 sq ft, including 2,011,012 kWh of electricity and 19,151 therms of natural gas.
What are 380 Portage Ave (Playground Global)'s carbon emissions?
380 Portage Ave (Playground Global) reported 557 tCO₂e of greenhouse-gas emissions (7.8 kgCO₂e/ft²) for 2024.
Where is 380 Portage Ave (Playground Global)?
380 Portage Ave (Playground Global) is at 380 Portage Ave, Palo Alto, in Palo Alto, California 94306. Its coordinates are 37.42288, -122.13831 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 380 Portage Ave (Playground Global) and when was it built?
380 Portage Ave (Playground Global) has 71,029 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1930 as its year built. It is classed as office.
Is 380 Portage Ave (Playground Global) 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, “380 Portage Ave (Playground Global), Palo Alto, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/380-portage-ave-playground-global-b5e656e5 (data as of July 9, 2026).