BuildingCensus
A

SELLEN OFFICE BLDG WITH EC LAND PARCELS

Office in Seattle, WA · 227 WESTLAKE AVE N · 98109

ENERGY STAR score
85
band A · 2024
Site EUI
41.9
kBtu/ft²
GHG emissions
9
tCO₂e
GHG intensity
0.2
kgCO₂e/ft²
Floor area
38,038
sq ft
Year built
1999
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score85 (band A)
Site EUI41.9 kBtu/ft²
Source EUI117.4 kBtu/ft²
GHG emissions9 tCO₂e
GHG intensity0.2 kgCO₂e/ft²
Electricity467,579 kWh
Gross floor area38,038 sq ft
Source recordseattle:21438:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest85-141.9 kBtu/ft²9 tCO₂e
202386+541.3 kBtu/ft²9 tCO₂e
202281-146.5 kBtu/ft²10 tCO₂e
202182-446.2 kBtu/ft²10 tCO₂e
202086+1343.0 kBtu/ft²10 tCO₂e
201973-355.2 kBtu/ft²12 tCO₂e
201876-1052.1 kBtu/ft²12 tCO₂e
201786+252.0 kBtu/ft²12 tCO₂e
201684+352.7 kBtu/ft²12 tCO₂e
20158155.5 kBtu/ft²12 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
227 WESTLAKE AVE N
State
Washington
ZIP
98109
Coordinates
47.62055, -122.33881

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is SELLEN OFFICE BLDG WITH EC LAND PARCELS's energy grade?

SELLEN OFFICE BLDG WITH EC LAND PARCELS scores 85 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 SELLEN OFFICE BLDG WITH EC LAND PARCELS use?

Its 2024 site energy-use intensity was 41.9 kBtu/ft² (117.4 kBtu/ft² source) across 38,038 sq ft, including 467,579 kWh of electricity.

What are SELLEN OFFICE BLDG WITH EC LAND PARCELS's carbon emissions?

SELLEN OFFICE BLDG WITH EC LAND PARCELS reported 9 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:21438:2024.