BuildingCensus
B

LOGAN BUILDING

Office in Seattle, WA · 500 UNION ST · 98101

ENERGY STAR score
84
band B · 2024
Site EUI
45.6
kBtu/ft²
GHG emissions
261
tCO₂e
GHG intensity
1.9
kgCO₂e/ft²
Floor area
135,918
sq ft
Year built
1958
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 score84 (band B)
Site EUI45.6 kBtu/ft²
Source EUI92.4 kBtu/ft²
GHG emissions261 tCO₂e
GHG intensity1.9 kgCO₂e/ft²
Electricity934,749 kWh
Gross floor area135,918 sq ft
Source recordseattle:403:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest84-145.6 kBtu/ft²261 tCO₂e
202385+144.6 kBtu/ft²259 tCO₂e
202284-348.1 kBtu/ft²302 tCO₂e
202187-442.7 kBtu/ft²253 tCO₂e
202091+437.2 kBtu/ft²193 tCO₂e
201987+1047.4 kBtu/ft²275 tCO₂e
201877+448.1 kBtu/ft²240 tCO₂e
201773-1851.6 kBtu/ft²281 tCO₂e
201691+544.4 kBtu/ft²197 tCO₂e
20158650.4 kBtu/ft²195 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.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
500 UNION ST
State
Washington
ZIP
98101
Coordinates
47.61003, -122.33452

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is LOGAN BUILDING's energy grade?

LOGAN BUILDING scores 84 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does LOGAN BUILDING use?

Its 2024 site energy-use intensity was 45.6 kBtu/ft² (92.4 kBtu/ft² source) across 135,918 sq ft, including 934,749 kWh of electricity.

What are LOGAN BUILDING's carbon emissions?

LOGAN BUILDING reported 261 tCO₂e of greenhouse-gas emissions (1.9 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:403:2024.