BuildingCensus
C

800 Stewart

Office in Seattle, WA · 800 STEWART ST · 98101

ENERGY STAR score
58
band C · 2024
Site EUI
104.8
kBtu/ft²
GHG emissions
110
tCO₂e
GHG intensity
3.4
kgCO₂e/ft²
Floor area
43,506
sq ft
Year built
1978
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 score58 (band C)
Site EUI104.8 kBtu/ft²
Source EUI188.9 kBtu/ft²
GHG emissions110 tCO₂e
GHG intensity3.4 kgCO₂e/ft²
Electricity426,435 kWh
Natural gas19,243 therms
Gross floor area43,506 sq ft
Source recordseattle:20087:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest58+10104.8 kBtu/ft²110 tCO₂e
202348±0119.5 kBtu/ft²124 tCO₂e
202248-8124.2 kBtu/ft²137 tCO₂e
202156+1108.8 kBtu/ft²114 tCO₂e
202055+1104.1 kBtu/ft²104 tCO₂e
201954+299.6 kBtu/ft²90 tCO₂e
201852±0101.7 kBtu/ft²91 tCO₂e
201752+1112.1 kBtu/ft²108 tCO₂e
201651-9106.2 kBtu/ft²97 tCO₂e
20156092.3 kBtu/ft²78 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
800 STEWART ST
State
Washington
ZIP
98101
Coordinates
47.61524, -122.33519

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is 800 Stewart's energy grade?

800 Stewart scores 58 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 800 Stewart use?

Its 2024 site energy-use intensity was 104.8 kBtu/ft² (188.9 kBtu/ft² source) across 43,506 sq ft, including 426,435 kWh of electricity and 19,243 therms of natural gas.

What are 800 Stewart's carbon emissions?

800 Stewart reported 110 tCO₂e of greenhouse-gas emissions (3.4 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:20087:2024.