Office Building, 2111 N NORTHGATE WAY

How does Office Building, 2111 N NORTHGATE WAY compare with other medical office buildings in Seattle?

The latest disclosures cover 45 medical office buildings in Seattle, out of 3,871 buildings citywide. Office Building, 2111 N NORTHGATE WAY's ENERGY STAR score of 29 compares with an average of 60 across the 32 that report a score; it scores higher than 19% of them and lower than 78%. Its site EUI of 77.9 kBtu/ft² is about 12% below the average of 88.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.5 kgCO₂e/ft² is about 70% below the group average of 1.5 kgCO₂e/ft².

At 76,105 sq ft, it is about half of the average floor area of 145,612 sq ft for those buildings. It was built in 1987, 8 years later than the group's average year built (1979). Across all 24 jurisdictions BuildingCensus covers, the 1,266 medical office buildings average an ENERGY STAR score of 64 and a site EUI of 92.2 kBtu/ft².

How has Office Building, 2111 N NORTHGATE WAY's energy performance changed over time?

BuildingCensus holds 11 Seattle disclosures for Office Building, 2111 N NORTHGATE WAY, covering report years 2015–2025. Its ENERGY STAR score went from 87 in 2015 to 29 in 2025 (-58 points); its best year on file was 2016, at 91. Site EUI moved from 35.6 kBtu/ft² (2015) to 77.9 kBtu/ft² (2025), an 119% increase. Reported emissions went from 16 tCO₂e to 21 tCO₂e over the same span (up 36%).

What does an ENERGY STAR score of 29 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 29 means the building performs better than about 29% of its national peers. BuildingCensus bands the score into report-card grades; 29 falls in band D — lowest band (1–54). It sits 46 points below 75, the threshold for ENERGY STAR certification. 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. Office Building, 2111 N NORTHGATE WAY's 77.9 kBtu/ft² across 76,105 sq ft works out to about 5.9 billion Btu (1,737 MWh-equivalent) in 2025. Its source EUI of 218.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,078,692 kWh of electricity for the year.

Which law requires Office Building, 2111 N NORTHGATE WAY to report its energy use?

Office Building, 2111 N NORTHGATE WAY 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:22962:2025). 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.