BuildingCensus
A

444 Castro

Office in California, CA · 444 Castro Street, Mountain View · 94041

ENERGY STAR score
94
band A · 2024
Site EUI
31.3
kBtu/ft²
GHG emissions
568
tCO₂e
GHG intensity
1.9
kgCO₂e/ft²
Floor area
294,579
sq ft
Year built
1970
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 score94 (band A)
Site EUI31.3 kBtu/ft²
Source EUI
GHG emissions568 tCO₂e
GHG intensity1.9 kgCO₂e/ft²
Electricity2,011,314 kWh
Natural gas21,169 therms
Gross floor area294,579 sq ft
Source recordcalifornia:1619451:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest94-131.3 kBtu/ft²568 tCO₂e
202395+2026.7 kBtu/ft²530 tCO₂e
20227550.6 kBtu/ft²611 tCO₂e
2021
202084+644.2 kBtu/ft²524 tCO₂e
201978+1854.5 kBtu/ft²682 tCO₂e
20186064.7 kBtu/ft²795 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
444 Castro Street, Mountain View
State
California
ZIP
94041
Coordinates
37.39075, -122.08171

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

Frequently asked questions

What is 444 Castro's energy grade?

444 Castro scores 94 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 444 Castro use?

Its 2024 site energy-use intensity was 31.3 kBtu/ft² across 294,579 sq ft, including 2,011,314 kWh of electricity and 21,169 therms of natural gas.

What are 444 Castro's carbon emissions?

444 Castro reported 568 tCO₂e of greenhouse-gas emissions (1.9 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:1619451:2024.