BuildingCensus
A

Maddux South

Multifamily Housing in Seattle, WA · 2807 S MCCLELLAN ST · 98144

ENERGY STAR score
96
band A · 2025
Site EUI
30.9
kBtu/ft²
GHG emissions
19
tCO₂e
GHG intensity
0.3
kgCO₂e/ft²
Floor area
60,892
sq ft
Year built
2023
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 score96 (band A)
Site EUI30.9 kBtu/ft²
Source EUI81.3 kBtu/ft²
GHG emissions19 tCO₂e
GHG intensity0.3 kgCO₂e/ft²
Electricity498,584 kWh
Natural gas1,776 therms
Gross floor area60,892 sq ft
Source recordseattle:52034:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest96+430.9 kBtu/ft²19 tCO₂e
20249233.5 kBtu/ft²21 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
2807 S MCCLELLAN ST
State
Washington
ZIP
98144
Coordinates
47.57805, -122.29579

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is Maddux South's energy grade?

Maddux South scores 96 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 Maddux South use?

Its 2025 site energy-use intensity was 30.9 kBtu/ft² (81.3 kBtu/ft² source) across 60,892 sq ft, including 498,584 kWh of electricity and 1,776 therms of natural gas.

What are Maddux South's carbon emissions?

Maddux South reported 19 tCO₂e of greenhouse-gas emissions (0.3 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:52034:2025.