BuildingCensus
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Queen City Apartments

Multifamily Housing in Seattle, WA · 1707 N 45TH ST · 98103

At a glance

Queen City Apartments is a 28,187-square-foot multifamily housing building at 1707 N 45TH ST in Seattle, Washington, built in 1925. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 51.9 kBtu/ft² and 25 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2025
Site EUI
51.9
kBtu/ft²
GHG emissions
25
tCO₂e
GHG intensity
0.8
kgCO₂e/ft²
Floor area
28,187
sq ft
Year built
1925
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 score—
Site EUI51.9 kBtu/ft²
Source EUI126.7 kBtu/ft²
GHG emissions25 tCO₂e
GHG intensity0.8 kgCO₂e/ft²
Electricity367,230 kWh
Natural gas3,254 therms
Gross floor area28,187 sq ft
Source recordseattle:26330:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest—51.9 kBtu/ft²25 tCO₂e
2024—53.3 kBtu/ft²25 tCO₂e
2023—57.2 kBtu/ft²24 tCO₂e
2022—50.6 kBtu/ft²24 tCO₂e
2021———
202095+222.1 kBtu/ft²19 tCO₂e
201993-123.3 kBtu/ft²20 tCO₂e
201894-223.5 kBtu/ft²21 tCO₂e
201796±023.6 kBtu/ft²21 tCO₂e
201696±021.2 kBtu/ft²19 tCO₂e
20159620.9 kBtu/ft²19 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
1707 N 45TH ST
State
Washington
ZIP
98103
Coordinates
47.66122, -122.33695

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

How does Queen City Apartments compare with other multifamily housing buildings in Seattle?

The latest disclosures cover 1,971 multifamily housing buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 51.9 kBtu/ft² is about 49% above the average of 34.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 0.8 kgCO₂e/ft² is about 16% above the group average of 0.7 kgCO₂e/ft².

At 28,187 sq ft, it is about 67% below the average floor area of 86,468 sq ft for those buildings. It was built in 1925, 58 years earlier than the group's average year built (1983). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has Queen City Apartments's energy performance changed over time?

BuildingCensus holds 11 Seattle disclosures for Queen City Apartments, covering report years 2015–2025. Its ENERGY STAR score went from 96 in 2015 to 95 in 2020 (-1 points); its best year on file was 2015, at 96. Site EUI moved from 20.9 kBtu/ft² (2015) to 51.9 kBtu/ft² (2025), an 148% increase. Reported emissions went from 19 tCO₂e to 25 tCO₂e over the same span (up 31%).

What does a site EUI of 51.9 kBtu/ft² mean?

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Queen City Apartments's 51.9 kBtu/ft² across 28,187 sq ft works out to about 1.5 billion Btu (429 MWh-equivalent) in 2025. Its source EUI of 126.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 367,230 kWh of electricity and 3,254 therms of natural gas for the year.

Which law requires Queen City Apartments to report its energy use?

Queen City Apartments reports under the Seattle Energy Benchmarking Ordinance (SMC 22.920), the legal basis of Seattle's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record seattle:26330:2025). 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.

More multifamily housing buildings in Seattle

Frequently asked questions

What is Queen City Apartments's energy grade?

Queen City Apartments did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 51.9 kBtu/ft².

How much energy does Queen City Apartments use?

Its 2025 site energy-use intensity was 51.9 kBtu/ft² (126.7 kBtu/ft² source) across 28,187 sq ft, including 367,230 kWh of electricity and 3,254 therms of natural gas.

What are Queen City Apartments's carbon emissions?

Queen City Apartments reported 25 tCO₂e of greenhouse-gas emissions (0.8 kgCO₂e/ft²) for 2025.

Where is Queen City Apartments?

Queen City Apartments is at 1707 N 45TH ST, in Seattle, Washington 98103. Its coordinates are 47.66122, -122.33695 (latitude, longitude), as published in the Building Energy Benchmarking file.

How big is Queen City Apartments and when was it built?

Queen City Apartments has 28,187 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1925 as its year built. It is classed as multifamily housing.

Is Queen City Apartments covered by the Seattle Energy Benchmarking Ordinance (SMC 22.920)?

Yes — it appears in the 2025 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Seattle Energy Benchmarking Ordinance (SMC 22.920).

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About this data

Source: Building Energy Benchmarking (Seattle Energy Benchmarking Ordinance (SMC 22.920)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “Queen City Apartments, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/queen-city-apartments-26729906 (data as of October 2, 2026).