BuildingCensus
–

Atrium Apartments

Multifamily Housing in Seattle, WA · 3104 S DAY ST · 98144

ENERGY STAR score
—
not reported · 2025
Site EUI
39.6
kBtu/ft²
GHG emissions
56
tCO₂e
GHG intensity
1.6
kgCO₂e/ft²
Floor area
25,442
sq ft
Year built
2015
vintage
◆ Loading map…
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 EUI39.6 kBtu/ft²
Source EUI59.8 kBtu/ft²
GHG emissions56 tCO₂e
GHG intensity1.6 kgCO₂e/ft²
Electricity107,278 kWh
Natural gas10,296 therms
Gross floor area25,442 sq ft
Source recordseattle:50089:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest—39.6 kBtu/ft²56 tCO₂e
2024—41.5 kBtu/ft²59 tCO₂e
2023—39.7 kBtu/ft²57 tCO₂e
2022—40.2 kBtu/ft²57 tCO₂e
2021———
2020—58.4 kBtu/ft²71 tCO₂e
2019—67.3 kBtu/ft²84 tCO₂e
2018—67.2 kBtu/ft²83 tCO₂e
2017—66.5 kBtu/ft²83 tCO₂e
2016—64.3 kBtu/ft²75 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
3104 S DAY ST
State
Washington
ZIP
98144
Coordinates
47.59052, -122.29208

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is Atrium Apartments's energy grade?

Atrium Apartments did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 39.6 kBtu/ft².

How much energy does Atrium Apartments use?

Its 2025 site energy-use intensity was 39.6 kBtu/ft² (59.8 kBtu/ft² source) across 25,442 sq ft, including 107,278 kWh of electricity and 10,296 therms of natural gas.

What are Atrium Apartments's carbon emissions?

Atrium Apartments reported 56 tCO₂e of greenhouse-gas emissions (1.6 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:50089:2025.