4727 Building

How does 4727 Building compare with other non-refrigerated warehouse buildings in Seattle?

The latest disclosures cover 164 non-refrigerated warehouse buildings in Seattle, out of 3,871 buildings citywide. 4727 Building's ENERGY STAR score of 95 compares with an average of 58 across the 117 that report a score; it scores higher than 92% of them and lower than 6%. Its site EUI of 5.1 kBtu/ft² is about 83% below the average of 30.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.1 kgCO₂e/ft² is about 89% below the group average of 0.9 kgCO₂e/ft².

At 104,786 sq ft, it is about 78% above the average floor area of 58,727 sq ft for those buildings. It was built in 1969, 9 years later than the group's average year built (1960). Across all 24 jurisdictions BuildingCensus covers, the 4,723 non-refrigerated warehouse buildings average an ENERGY STAR score of 66 and a site EUI of 26.0 kBtu/ft².

How has 4727 Building's energy performance changed over time?

BuildingCensus holds 11 Seattle disclosures for 4727 Building, covering report years 2015–2025. Its ENERGY STAR score went from 92 in 2015 to 95 in 2025 (+3 points); its best year on file was 2020, at 99. Site EUI moved from 9.2 kBtu/ft² (2015) to 5.1 kBtu/ft² (2025), a 45% decrease. Reported emissions went from 17 tCO₂e to 11 tCO₂e over the same span (down 36%).

What does an ENERGY STAR score of 95 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 95 means the building performs better than about 95% of its national peers. BuildingCensus bands the score into report-card grades; 95 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. In Seattle, 69% of scored buildings are at 75 or above.

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 4727 Building's 5.1 kBtu/ft² across 104,786 sq ft works out to about 0.5 billion Btu (157 MWh-equivalent) in 2025. Its source EUI of 11.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 109,103 kWh of electricity and 1,663 therms of natural gas for the year.

Which law requires 4727 Building to report its energy use?

4727 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:590:2025). 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.