BuildingCensus
B

Jw Marriott San Francisco Union Square

Hotel in California, CA · 515 Mason Street, San Francisco · 94102

ENERGY STAR score
77
band B · 2024
Site EUI
59.1
kBtu/ft²
GHG emissions
1,520
tCO₂e
GHG intensity
3.6
kgCO₂e/ft²
Floor area
420,000
sq ft
Year built
2006
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 score77 (band B)
Site EUI59.1 kBtu/ft²
Source EUI
GHG emissions1,520 tCO₂e
GHG intensity3.6 kgCO₂e/ft²
Electricity4,326,338 kWh
Natural gas101,668 therms
Gross floor area420,000 sq ft
Source recordcalifornia:4562815:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest77+959.1 kBtu/ft²1,520 tCO₂e
202368+267.2 kBtu/ft²1,774 tCO₂e
202266-568.6 kBtu/ft²1,779 tCO₂e
202171-965.7 kBtu/ft²1,576 tCO₂e
202080+1658.5 kBtu/ft²1,479 tCO₂e
201964±070.4 kBtu/ft²1,845 tCO₂e
20186470.3 kBtu/ft²1,850 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
515 Mason Street, San Francisco
State
California
ZIP
94102
Coordinates
37.78841, -122.41031

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

Frequently asked questions

What is Jw Marriott San Francisco Union Square's energy grade?

Jw Marriott San Francisco Union Square scores 77 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Jw Marriott San Francisco Union Square use?

Its 2024 site energy-use intensity was 59.1 kBtu/ft² across 420,000 sq ft, including 4,326,338 kWh of electricity and 101,668 therms of natural gas.

What are Jw Marriott San Francisco Union Square's carbon emissions?

Jw Marriott San Francisco Union Square reported 1,520 tCO₂e of greenhouse-gas emissions (3.6 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:4562815:2024.