At a glance
Madore Building is a 40,715-square-foot office building at 1501 WESTERN AVE in Seattle, Washington, built in 1915.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 586,152 kWh |
| Gross floor area | 40,715 sq ft |
| Source record | seattle:21483:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | 52 | -5 | 63.8 kBtu/ft² | 41 tCO₂e |
| 2023 | 57 | -9 | 59.7 kBtu/ft² | 37 tCO₂e |
| 2022 | 66 | -16 | 53.8 kBtu/ft² | 35 tCO₂e |
| 2021 | 82 | -4 | 39.6 kBtu/ft² | 21 tCO₂e |
| 2020 | 86 | +27 | 34.3 kBtu/ft² | 14 tCO₂e |
| 2019 | 59 | +4 | 60.2 kBtu/ft² | 44 tCO₂e |
| 2018 | 55 | 61.9 kBtu/ft² | 40 tCO₂e | |
| 2017 | — | 67.8 kBtu/ft² | 40 tCO₂e | |
| 2016 | — | 69.5 kBtu/ft² | 42 tCO₂e | |
| 2015 | — | 71.7 kBtu/ft² | 46 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.
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
- 1501 WESTERN AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.60836, -122.34157
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Madore Building compare with other office buildings in Seattle?
The latest disclosures cover 497 office buildings in Seattle, out of 3,871 buildings citywide.
At 40,715 sq ft, it is about 79% below the average floor area of 196,452 sq ft for those buildings. It was built in 1915, 50 years earlier than the group's average year built (1965). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Madore Building's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Madore Building, covering report years 2015–2025. Its ENERGY STAR score went from 55 in 2018 to 52 in 2024 (-3 points); its best year on file was 2020, at 86. Site EUI moved from 71.7 kBtu/ft² (2015) to 63.8 kBtu/ft² (2024), a 11% decrease. Reported emissions went from 46 tCO₂e to 41 tCO₂e over the same span (down 10%).
Which law requires Madore Building to report its energy use?
Madore Building reports under the Seattle Energy Benchmarking Ordinance (SMC 22.920), the legal basis of Seattle's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record seattle:21483:2025). 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.
More office buildings in Seattle
- Fisherman's Commerce Bldg· 40,571 sq ft · score 84 (B)
- Seattle Labor Temple (North & South Bldg)· 40,320 sq ft · score 81 (B)
- 1518 5th Ave Office· 40,260 sq ft · EUI 0.1 kBtu/ft²
- PEARL WARREN BUILDING- DEMOLISHED INACTIVE· 40,227 sq ft · score 89 (A)
- St Joseph's Church· 40,137 sq ft · score 95 (A)
- 4 Nick - Office· 40,067 sq ft · EUI 45.6 kBtu/ft²
- Office buildings in Seattle· 497 benchmarked
- All Seattle benchmarked buildings· Seattle Energy Benchmarking Ordinance (SMC 22.920)
- Most efficient large buildings in Seattle
- Least efficient large buildings in Seattle
- Biggest emitters in Seattle
Frequently asked questions
What is Madore Building's energy grade?
Madore Building did not report an ENERGY STAR score in its 2025 disclosure.
How much energy does Madore Building use?
No energy-use intensity was reported for 2025.
What are Madore Building's carbon emissions?
No greenhouse-gas emissions figure was reported for 2025.
Where is Madore Building?
Madore Building is at 1501 WESTERN AVE, in Seattle, Washington 98101. Its coordinates are 47.60836, -122.34157 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Madore Building and when was it built?
Madore Building has 40,715 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1915 as its year built. It is classed as office.
Is Madore Building covered by the Seattle Energy Benchmarking Ordinance (SMC 22.920)?
Yes — it appears in the 2025 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Seattle Energy Benchmarking Ordinance (SMC 22.920).
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About this data
Source: Building Energy Benchmarking (Seattle Energy Benchmarking Ordinance (SMC 22.920)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Madore Building, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/madore-building-0f85fbb2 (data as of October 2, 2026).