Siena 9
Multifamily Housing in California, CA · 7375 Rollingdell Drive, Cupertino · 95014
At a glance
Siena 9 is a 12,192-square-foot multifamily housing building at 7375 Rollingdell Drive, Cupertino in Cupertino, California, built in 1978. It is listed in the 2021 Building Energy Benchmarking Program (statewide) disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year.
No energy data reported for 2021
Siena 9 appears in the 2021 Building Energy Benchmarking Program (statewide) disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year.
Floor area on file: 12,192 sq ft · Built 1978
Source record california:16437676:2021
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
- 7375 Rollingdell Drive, Cupertino
- City
- California
- State
- California
- ZIP
- 95014
- Coordinates
- 37.30606, -122.03370
Within ~1 km
Nearby benchmarked buildings
- Siena Apartment Homesscore 67
Multifamily Housing · 118,469 sq ft
- 6635 - Bollingerscore 37
Retail Store · 105,744 sq ft
- Fountain Park Apartments (23739)score 96
Multifamily Housing · 90,284 sq ft
- Clarendon Street Apartmentsscore 100
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- Deanza 85score —
Strip Mall · 62,365 sq ft
- Villa Victoria Apartmentsscore 99
Multifamily Housing · 61,732 sq ft
See also: most efficient in California · biggest emitters
How has Siena 9's energy performance changed over time?
BuildingCensus holds 2 California disclosures for Siena 9, covering report years 2020–2021. None of those years carry an ENERGY STAR score or site EUI.
Which law requires Siena 9 to report its energy use?
Siena 9 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 2021 disclosure (source record california:16437676:2021). 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 multifamily housing buildings in California
- 462 Boynton Ave· 11,900 sq ft
- 458 Boynton· 11,354 sq ft
- Siena 8· 10,160 sq ft
- Siena 5· 10,012 sq ft
- Jake'S Way Apts· 10,000 sq ft
- Fahren Apts· 10,000 sq ft
- 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 Siena 9's energy grade?
Siena 9 has no grade: it did not report energy data for 2021. The 2021 Building Energy Benchmarking Program (statewide) disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is Siena 9?
Siena 9 is at 7375 Rollingdell Drive, Cupertino, in Cupertino, California 95014. Its coordinates are 37.30606, -122.03370 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
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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, “Siena 9, Cupertino, California — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/california/siena-9-d8080ea7 (data as of July 9, 2026).