BuildingCensus
C

Hiawatha Lofts

Multifamily Housing in Seattle, WA · 843 HIAWATHA PL S · 98144

ENERGY STAR score
68
band C · 2025
Site EUI
28.4
kBtu/ft²
GHG emissions
11
tCO₂e
GHG intensity
0.2
kgCO₂e/ft²
Floor area
65,161
sq ft
Year built
2007
vintage
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85–10070–8455–691–54
This entry + 6 nearby

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

Benchmarking record

FieldValue
ENERGY STAR score68 (band C)
Site EUI28.4 kBtu/ft²
Source EUI79.6 kBtu/ft²
GHG emissions11 tCO₂e
GHG intensity0.2 kgCO₂e/ft²
Electricity542,649 kWh
Gross floor area65,161 sq ft
Source recordseattle:26618:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest68±028.4 kBtu/ft²11 tCO₂e
202468+128.2 kBtu/ft²11 tCO₂e
202367+929.2 kBtu/ft²11 tCO₂e
202258+331.7 kBtu/ft²12 tCO₂e
202155+631.6 kBtu/ft²12 tCO₂e
202049-2631.4 kBtu/ft²12 tCO₂e
201975+328.4 kBtu/ft²11 tCO₂e
201872+828.7 kBtu/ft²11 tCO₂e
201764+430.7 kBtu/ft²12 tCO₂e
201660+528.8 kBtu/ft²11 tCO₂e
20155529.9 kBtu/ft²11 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.

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Location

Address
843 HIAWATHA PL S
State
Washington
ZIP
98144
Coordinates
47.59491, -122.30971

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is Hiawatha Lofts's energy grade?

Hiawatha Lofts scores 68 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Hiawatha Lofts use?

Its 2025 site energy-use intensity was 28.4 kBtu/ft² (79.6 kBtu/ft² source) across 65,161 sq ft, including 542,649 kWh of electricity.

What are Hiawatha Lofts's carbon emissions?

Hiawatha Lofts reported 11 tCO₂e of greenhouse-gas emissions (0.2 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:26618:2025.