BuildingCensus
C

Siena Apartment Homes

Multifamily Housing in California, CA · 7375 Rollingdell Drive, Cupertino · 95014

ENERGY STAR score
67
band C · 2024
Site EUI
44.6
kBtu/ft²
GHG emissions
294
tCO₂e
GHG intensity
2.5
kgCO₂e/ft²
Floor area
118,469
sq ft
Year built
1978
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score67 (band C)
Site EUI44.6 kBtu/ft²
Source EUI
GHG emissions294 tCO₂e
GHG intensity2.5 kgCO₂e/ft²
Electricity613,074 kWh
Natural gas29,213 therms
Gross floor area118,469 sq ft
Source recordcalifornia:16406511:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest67+744.6 kBtu/ft²294 tCO₂e
202360-243.2 kBtu/ft²322 tCO₂e
202262+442.6 kBtu/ft²312 tCO₂e
202158-142.0 kBtu/ft²291 tCO₂e
20205943.7 kBtu/ft²312 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.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
7375 Rollingdell Drive, Cupertino
State
California
ZIP
95014
Coordinates
37.30628, -122.03336

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

Frequently asked questions

What is Siena Apartment Homes's energy grade?

Siena Apartment Homes scores 67 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 Siena Apartment Homes use?

Its 2024 site energy-use intensity was 44.6 kBtu/ft² across 118,469 sq ft, including 613,074 kWh of electricity and 29,213 therms of natural gas.

What are Siena Apartment Homes's carbon emissions?

Siena Apartment Homes reported 294 tCO₂e of greenhouse-gas emissions (2.5 kgCO₂e/ft²) for 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.

Dataset updated . Source: Building Energy Benchmarking Program (statewide) disclosure, record california:16406511:2024.