BuildingCensus
A

Lumen Condo

Multifamily Housing in Seattle, WA · 500 MERCER ST · 98109

ENERGY STAR score
99
band A · 2025
Site EUI
29.8
kBtu/ft²
GHG emissions
73
tCO₂e
GHG intensity
0.7
kgCO₂e/ft²
Floor area
97,855
sq ft
Year built
2006
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 score99 (band A)
Site EUI29.8 kBtu/ft²
Source EUI62.4 kBtu/ft²
GHG emissions73 tCO₂e
GHG intensity0.7 kgCO₂e/ft²
Electricity508,925 kWh
Natural gas11,824 therms
Gross floor area97,855 sq ft
Source recordseattle:27569:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest99+129.8 kBtu/ft²73 tCO₂e
202498±031.1 kBtu/ft²77 tCO₂e
202398+230.5 kBtu/ft²71 tCO₂e
202296-133.4 kBtu/ft²85 tCO₂e
202197+131.3 kBtu/ft²73 tCO₂e
202096+231.8 kBtu/ft²76 tCO₂e
201994-333.6 kBtu/ft²84 tCO₂e
201897±030.1 kBtu/ft²68 tCO₂e
201797+532.3 kBtu/ft²76 tCO₂e
201692-730.6 kBtu/ft²63 tCO₂e
20159929.9 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.

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Location

Address
500 MERCER ST
State
Washington
ZIP
98109
Coordinates
47.62473, -122.34727

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is Lumen Condo's energy grade?

Lumen Condo scores 99 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 Lumen Condo use?

Its 2025 site energy-use intensity was 29.8 kBtu/ft² (62.4 kBtu/ft² source) across 97,855 sq ft, including 508,925 kWh of electricity and 11,824 therms of natural gas.

What are Lumen Condo's carbon emissions?

Lumen Condo reported 73 tCO₂e of greenhouse-gas emissions (0.7 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:27569:2025.