BuildingCensus
–

1633 Westlake Building

Office in Seattle, WA · 1633 WESTLAKE AVE N · 98109

ENERGY STAR score
—
not reported · 2025
Site EUI
24.0
kBtu/ft²
GHG emissions
15
tCO₂e
GHG intensity
0.1
kgCO₂e/ft²
Floor area
189,775
sq ft
Year built
2000
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI24.0 kBtu/ft²
Source EUI67.1 kBtu/ft²
GHG emissions15 tCO₂e
GHG intensity0.1 kgCO₂e/ft²
Electricity722,011 kWh
Gross floor area189,775 sq ft
Source recordseattle:681:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest—24.0 kBtu/ft²15 tCO₂e
2024—22.9 kBtu/ft²14 tCO₂e
202399+123.6 kBtu/ft²14 tCO₂e
202298+127.9 kBtu/ft²17 tCO₂e
202197-128.9 kBtu/ft²17 tCO₂e
202098+728.4 kBtu/ft²17 tCO₂e
201991+439.8 kBtu/ft²23 tCO₂e
201887-346.7 kBtu/ft²27 tCO₂e
201790-347.7 kBtu/ft²29 tCO₂e
201693±049.5 kBtu/ft²30 tCO₂e
20159348.9 kBtu/ft²29 tCO₂e

Compliance context

Seattle Energy Benchmarking Ordinance (SMC 22.920)

Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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

Location

Address
1633 WESTLAKE AVE N
State
Washington
ZIP
98109
Coordinates
47.63347, -122.34078

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is 1633 Westlake Building's energy grade?

1633 Westlake Building did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 24.0 kBtu/ft².

How much energy does 1633 Westlake Building use?

Its 2025 site energy-use intensity was 24.0 kBtu/ft² (67.1 kBtu/ft² source) across 189,775 sq ft, including 722,011 kWh of electricity.

What are 1633 Westlake Building's carbon emissions?

1633 Westlake Building reported 15 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025. Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.

Working with Seattle building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:681:2025.