BuildingCensus
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Iro Apartments

Multifamily Housing in Seattle, WA · 5233 15TH AVE NE · 98105

ENERGY STAR score
92
band A · 2025
Site EUI
22.8
kBtu/ft²
GHG emissions
4
tCO₂e
GHG intensity
0.1
kgCO₂e/ft²
Floor area
30,034
sq ft
Year built
1965
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 score92 (band A)
Site EUI22.8 kBtu/ft²
Source EUI63.9 kBtu/ft²
GHG emissions4 tCO₂e
GHG intensity0.1 kgCO₂e/ft²
Electricity200,754 kWh
Gross floor area30,034 sq ft
Source recordseattle:26514:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest92+922.8 kBtu/ft²4 tCO₂e
202483-925.5 kBtu/ft²4 tCO₂e
202392+122.7 kBtu/ft²4 tCO₂e
202291-123.9 kBtu/ft²4 tCO₂e
202192-423.1 kBtu/ft²4 tCO₂e
202096±020.2 kBtu/ft²4 tCO₂e
201996±020.7 kBtu/ft²4 tCO₂e
201896+420.2 kBtu/ft²4 tCO₂e
201792-322.8 kBtu/ft²4 tCO₂e
201695-123.8 kBtu/ft²4 tCO₂e
20159623.4 kBtu/ft²4 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.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
5233 15TH AVE NE
State
Washington
ZIP
98105
Coordinates
47.66736, -122.31231

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is Iro Apartments's energy grade?

Iro Apartments scores 92 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Iro Apartments use?

Its 2025 site energy-use intensity was 22.8 kBtu/ft² (63.9 kBtu/ft² source) across 30,034 sq ft, including 200,754 kWh of electricity.

What are Iro Apartments's carbon emissions?

Iro Apartments reported 4 tCO₂e of greenhouse-gas emissions (0.1 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:26514:2025.