BuildingCensus
D

125 Mason St

Multifamily Housing in California, CA · 125 Mason Street, San Francisco · 94102

ENERGY STAR score
18
band D · 2024
Site EUI
56.2
kBtu/ft²
GHG emissions
296
tCO₂e
GHG intensity
3.3
kgCO₂e/ft²
Floor area
89,680
sq ft
Year built
2005
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 score18 (band D)
Site EUI56.2 kBtu/ft²
Source EUI
GHG emissions296 tCO₂e
GHG intensity3.3 kgCO₂e/ft²
Electricity555,560 kWh
Natural gas32,065 therms
Gross floor area89,680 sq ft
Source recordcalifornia:7048695:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest18-856.2 kBtu/ft²296 tCO₂e
202326-855.0 kBtu/ft²288 tCO₂e
202234-351.5 kBtu/ft²271 tCO₂e
202037-249.1 kBtu/ft²253 tCO₂e
20193948.8 kBtu/ft²258 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
125 Mason Street, San Francisco
State
California
ZIP
94102
Coordinates
37.78478, -122.40978

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

Frequently asked questions

What is 125 Mason St's energy grade?

125 Mason St scores 18 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 125 Mason St use?

Its 2024 site energy-use intensity was 56.2 kBtu/ft² across 89,680 sq ft, including 555,560 kWh of electricity and 32,065 therms of natural gas.

What are 125 Mason St's carbon emissions?

125 Mason St reported 296 tCO₂e of greenhouse-gas emissions (3.3 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:7048695:2024.