Portal Plaza
Strip Mall in California, CA · 19625-19805 Stevens Creek Boulevard, Cupertino · 95014
At a glance
Portal Plaza is a 53,489-square-foot strip mall building at 19625-19805 Stevens Creek Boulevard, Cupertino in Cupertino, California, built in 1978. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 52.8 kBtu/ft² and 161 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 52.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 161 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 473,384 kWh |
| Natural gas | 10,115 therms |
| Gross floor area | 53,489 sq ft |
| Source record | california:59808092:2024 |
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
- 19625-19805 Stevens Creek Boulevard, Cupertino
- City
- California
- State
- California
- ZIP
- 95014
- Coordinates
- 37.32377, -122.01866
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Portal Plaza compare with other strip mall buildings in California?
The latest disclosures cover 937 strip mall buildings in California, out of 40,029 buildings citywide. Its site EUI of 52.8 kBtu/ft² is about 30% below the average of 75.2 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 36% below the group average of 4.7 kgCO₂e/ft².
At 53,489 sq ft, it is about 57% below the average floor area of 125,816 sq ft for those buildings. It was built in 1978, 7 years earlier than the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 1,607 strip mall buildings average an ENERGY STAR score of 68 and a site EUI of 83.1 kBtu/ft².
What does a site EUI of 52.8 kBtu/ft² mean?
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. Portal Plaza's 52.8 kBtu/ft² across 53,489 sq ft works out to about 2.8 billion Btu (828 MWh-equivalent) in 2024. The disclosure also reports 473,384 kWh of electricity and 10,115 therms of natural gas for the year.
Which law requires Portal Plaza to report its energy use?
Portal Plaza 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:59808092:2024). 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 strip mall buildings in California
- 2200-2270 E Palmdale Blvd· 53,456 sq ft · EUI 132.5 kBtu/ft²
- Shamrock Village· 53,394 sq ft · EUI 23.0 kBtu/ft²
- 5140 Cherry Ave· 53,327 sq ft · EUI 47.7 kBtu/ft²
- 891-917 Euclid Ave - Roic· 53,309 sq ft · EUI 281.2 kBtu/ft²
- Monterey Plaza Units 9 - 31 Kimco 114680· 53,293 sq ft · EUI 92.0 kBtu/ft²
- Madison· 53,288 sq ft · EUI 2.4 kBtu/ft²
- Strip Mall buildings in California· 937 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 Portal Plaza's energy grade?
Portal Plaza did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 52.8 kBtu/ft².
How much energy does Portal Plaza use?
Its 2024 site energy-use intensity was 52.8 kBtu/ft² across 53,489 sq ft, including 473,384 kWh of electricity and 10,115 therms of natural gas.
What are Portal Plaza's carbon emissions?
Portal Plaza reported 161 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2024.
Where is Portal Plaza?
Portal Plaza is at 19625-19805 Stevens Creek Boulevard, Cupertino, in Cupertino, California 95014. Its coordinates are 37.32377, -122.01866 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Portal Plaza and when was it built?
Portal Plaza has 53,489 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1978 as its year built. It is classed as strip mall.
Is Portal Plaza 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, “Portal Plaza, Cupertino, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/portal-plaza-7112ace8 (data as of July 9, 2026).