BuildingCensus
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DUWAMISH HEAD CONDOMINIUM

Multifamily MR (5-9) in Seattle, WA · 1140 ALKI AVE SW · 98116

ENERGY STAR score
90
band A · 2024
Site EUI
29.1
kBtu/ft²
GHG emissions
26
tCO₂e
GHG intensity
0.6
kgCO₂e/ft²
Floor area
41,510
sq ft
Year built
1975
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 score90 (band A)
Site EUI29.1 kBtu/ft²
Source EUI65.1 kBtu/ft²
GHG emissions26 tCO₂e
GHG intensity0.6 kgCO₂e/ft²
Electricity239,625 kWh
Natural gas3,916 therms
Gross floor area41,510 sq ft
Source recordseattle:21619:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest90+229.1 kBtu/ft²26 tCO₂e
202388+329.6 kBtu/ft²23 tCO₂e
202285+231.8 kBtu/ft²25 tCO₂e
202183+231.3 kBtu/ft²23 tCO₂e
202081-230.9 kBtu/ft²23 tCO₂e
201983+130.0 kBtu/ft²21 tCO₂e
201882+130.3 kBtu/ft²22 tCO₂e
201781+731.6 kBtu/ft²21 tCO₂e
201674+129.5 kBtu/ft²19 tCO₂e
20157330.8 kBtu/ft²22 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
1140 ALKI AVE SW
State
Washington
ZIP
98116
Coordinates
47.59491, -122.38654

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is DUWAMISH HEAD CONDOMINIUM's energy grade?

DUWAMISH HEAD CONDOMINIUM scores 90 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 DUWAMISH HEAD CONDOMINIUM use?

Its 2024 site energy-use intensity was 29.1 kBtu/ft² (65.1 kBtu/ft² source) across 41,510 sq ft, including 239,625 kWh of electricity and 3,916 therms of natural gas.

What are DUWAMISH HEAD CONDOMINIUM's carbon emissions?

DUWAMISH HEAD CONDOMINIUM reported 26 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:21619:2024.