BuildingCensus
A

4000 Aurora Building

Office in Seattle, WA · 4000 AURORA AVE N · 98103

ENERGY STAR score
97
band A · 2025
Site EUI
18.2
kBtu/ft²
GHG emissions
2
tCO₂e
GHG intensity
0.1
kgCO₂e/ft²
Floor area
21,436
sq ft
Year built
1958
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 score97 (band A)
Site EUI18.2 kBtu/ft²
Source EUI51.0 kBtu/ft²
GHG emissions2 tCO₂e
GHG intensity0.1 kgCO₂e/ft²
Electricity114,422 kWh
Gross floor area21,436 sq ft
Source recordseattle:21005:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest97+218.2 kBtu/ft²2 tCO₂e
202495±019.8 kBtu/ft²3 tCO₂e
202395-219.8 kBtu/ft²3 tCO₂e
202297-317.3 kBtu/ft²2 tCO₂e
2021100+37.9 kBtu/ft²1 tCO₂e
202097±018.2 kBtu/ft²2 tCO₂e
201997+418.7 kBtu/ft²2 tCO₂e
201893-224.3 kBtu/ft²3 tCO₂e
201795±026.8 kBtu/ft²3 tCO₂e
201695+124.9 kBtu/ft²3 tCO₂e
20159426.7 kBtu/ft²3 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
4000 AURORA AVE N
State
Washington
ZIP
98103
Coordinates
47.65570, -122.34682

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is 4000 Aurora Building's energy grade?

4000 Aurora Building scores 97 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 4000 Aurora Building use?

Its 2025 site energy-use intensity was 18.2 kBtu/ft² (51.0 kBtu/ft² source) across 21,436 sq ft, including 114,422 kWh of electricity.

What are 4000 Aurora Building's carbon emissions?

4000 Aurora Building reported 2 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:21005:2025.