BuildingCensus
D

City Hall

Office in California, CA · 777 B Street, Hayward · 94541

ENERGY STAR score
11
band D · 2024
Site EUI
136.4
kBtu/ft²
GHG emissions
881
tCO₂e
GHG intensity
8.5
kgCO₂e/ft²
Floor area
104,100
sq ft
Year built
1998
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 score11 (band D)
Site EUI136.4 kBtu/ft²
Source EUI
GHG emissions881 tCO₂e
GHG intensity8.5 kgCO₂e/ft²
Electricity3,079,903 kWh
Natural gas34,627 therms
Gross floor area104,100 sq ft
Source recordcalifornia:27977253:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest11+6136.4 kBtu/ft²881 tCO₂e
20235+1153.2 kBtu/ft²1,079 tCO₂e
20224158.4 kBtu/ft²1,023 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
777 B Street, Hayward
State
California
ZIP
94541
Coordinates
37.67098, -122.08570

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

Frequently asked questions

What is City Hall's energy grade?

City Hall scores 11 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 City Hall use?

Its 2024 site energy-use intensity was 136.4 kBtu/ft² across 104,100 sq ft, including 3,079,903 kWh of electricity and 34,627 therms of natural gas.

What are City Hall's carbon emissions?

City Hall reported 881 tCO₂e of greenhouse-gas emissions (8.5 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:27977253:2024.