BuildingCensus

BLOCK 38

Office in Seattle, WA · 520 WESTLAKE AVE N · 98109

ENERGY STAR score
not reported · 2024
Site EUI
11.7
kBtu/ft²
GHG emissions
44
tCO₂e
GHG intensity
0.1
kgCO₂e/ft²
Floor area
512,665
sq ft
Year built
2021
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score
Site EUI11.7 kBtu/ft²
Source EUI31.3 kBtu/ft²
GHG emissions44 tCO₂e
GHG intensity0.1 kgCO₂e/ft²
Electricity1,279,425 kWh
Natural gas3,513 therms
Gross floor area512,665 sq ft
Source recordseattle:50899:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest11.7 kBtu/ft²44 tCO₂e
202313.3 kBtu/ft²59 tCO₂e

Compliance context

Seattle Energy Benchmarking Ordinance (SMC 22.920)

Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
520 WESTLAKE AVE N
State
Washington
ZIP
98109
Coordinates
47.62399, -122.33804

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is BLOCK 38's energy grade?

BLOCK 38 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 11.7 kBtu/ft².

How much energy does BLOCK 38 use?

Its 2024 site energy-use intensity was 11.7 kBtu/ft² (31.3 kBtu/ft² source) across 512,665 sq ft, including 1,279,425 kWh of electricity and 3,513 therms of natural gas.

What are BLOCK 38's carbon emissions?

BLOCK 38 reported 44 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2024. Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.

Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:50899:2024.