BuildingCensus
A

F5 Tower

Office in Seattle, WA · 801 5TH AVE · 98104

ENERGY STAR score
89
band A · 2024
Site EUI
42.0
kBtu/ft²
GHG emissions
507
tCO₂e
GHG intensity
0.6
kgCO₂e/ft²
Floor area
905,655
sq ft
Year built
2018
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 score89 (band A)
Site EUI42.0 kBtu/ft²
Source EUI104.2 kBtu/ft²
GHG emissions507 tCO₂e
GHG intensity0.6 kgCO₂e/ft²
Electricity8,519,762 kWh
Natural gas63,852 therms
Gross floor area905,655 sq ft
Source recordseattle:50518:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest89+2142.0 kBtu/ft²507 tCO₂e
202368-660.0 kBtu/ft²600 tCO₂e
202274+354.5 kBtu/ft²509 tCO₂e
202171-451.2 kBtu/ft²453 tCO₂e
202075-1147.8 kBtu/ft²346 tCO₂e
20198642.7 kBtu/ft²320 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
801 5TH AVE
State
Washington
ZIP
98104
Coordinates
47.60518, -122.33097

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is F5 Tower's energy grade?

F5 Tower scores 89 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does F5 Tower use?

Its 2024 site energy-use intensity was 42.0 kBtu/ft² (104.2 kBtu/ft² source) across 905,655 sq ft, including 8,519,762 kWh of electricity and 63,852 therms of natural gas.

What are F5 Tower's carbon emissions?

F5 Tower reported 507 tCO₂e of greenhouse-gas emissions (0.6 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:50518:2024.