BuildingCensus
B

BLUESTONE APTS

Multifamily LR (1-4) in Seattle, WA · 9051 20TH AVE SW · 98106

ENERGY STAR score
78
band B · 2024
Site EUI
24.0
kBtu/ft²
GHG emissions
7
tCO₂e
GHG intensity
0.2
kgCO₂e/ft²
Floor area
51,521
sq ft
Year built
2017
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 score78 (band B)
Site EUI24.0 kBtu/ft²
Source EUI67.2 kBtu/ft²
GHG emissions7 tCO₂e
GHG intensity0.2 kgCO₂e/ft²
Electricity362,349 kWh
Gross floor area51,521 sq ft
Source recordseattle:50312:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest78±024.0 kBtu/ft²7 tCO₂e
202378+524.5 kBtu/ft²7 tCO₂e
202273-726.4 kBtu/ft²8 tCO₂e
202180+1024.4 kBtu/ft²7 tCO₂e
202070-525.2 kBtu/ft²8 tCO₂e
201975-1224.5 kBtu/ft²7 tCO₂e
20188721.8 kBtu/ft²7 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
9051 20TH AVE SW
State
Washington
ZIP
98106
Coordinates
47.52136, -122.35946

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is BLUESTONE APTS's energy grade?

BLUESTONE APTS scores 78 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does BLUESTONE APTS use?

Its 2024 site energy-use intensity was 24.0 kBtu/ft² (67.2 kBtu/ft² source) across 51,521 sq ft, including 362,349 kWh of electricity.

What are BLUESTONE APTS's carbon emissions?

BLUESTONE APTS reported 7 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:50312:2024.