BuildingCensus
B

NORTH TOWER

Office in Seattle, WA · 100 W HARRISON ST · 98119

ENERGY STAR score
80
band B · 2024
Site EUI
39.2
kBtu/ft²
GHG emissions
15
tCO₂e
GHG intensity
0.2
kgCO₂e/ft²
Floor area
87,178
sq ft
Year built
1972
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 score80 (band B)
Site EUI39.2 kBtu/ft²
Source EUI109.8 kBtu/ft²
GHG emissions15 tCO₂e
GHG intensity0.2 kgCO₂e/ft²
Electricity767,418 kWh
Gross floor area87,178 sq ft
Source recordseattle:490:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest80-239.2 kBtu/ft²15 tCO₂e
202382+638.1 kBtu/ft²16 tCO₂e
202276+242.7 kBtu/ft²18 tCO₂e
202174-143.7 kBtu/ft²18 tCO₂e
202075+140.9 kBtu/ft²17 tCO₂e
201974+444.0 kBtu/ft²18 tCO₂e
201870+1544.1 kBtu/ft²17 tCO₂e
201755-1455.0 kBtu/ft²21 tCO₂e
201669-254.5 kBtu/ft²21 tCO₂e
20157153.9 kBtu/ft²21 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
100 W HARRISON ST
State
Washington
ZIP
98119
Coordinates
47.62224, -122.35850

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is NORTH TOWER's energy grade?

NORTH TOWER scores 80 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 NORTH TOWER use?

Its 2024 site energy-use intensity was 39.2 kBtu/ft² (109.8 kBtu/ft² source) across 87,178 sq ft, including 767,418 kWh of electricity.

What are NORTH TOWER's carbon emissions?

NORTH TOWER reported 15 tCO₂e of greenhouse-gas emissions (0.2 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:490:2024.