Ballard Block Ii- 1401 Nw 46th St
Mixed Use Property in Seattle, WA · 1401 NW 46TH ST · 98107
At a glance
Ballard Block Ii- 1401 Nw 46th St is a 91,200-square-foot mixed use property building at 1401 NW 46TH ST in Seattle, Washington, built in 2018. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 75.1 kBtu/ft² and 65 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 75.1 kBtu/ft² |
| Source EUI | 187.5 kBtu/ft² |
| GHG emissions | 65 tCO₂e |
| GHG intensity | 1.1 kgCO₂e/ft² |
| Electricity | 1,136,406 kWh |
| Natural gas | 8,184 therms |
| Gross floor area | 91,200 sq ft |
| Source record | seattle:50715:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 75.1 kBtu/ft² | 65 tCO₂e | |
| 2024 | — | 79.3 kBtu/ft² | 61 tCO₂e | |
| 2023 | — | 74.0 kBtu/ft² | 128 tCO₂e | |
| 2022 | 71 | 53.9 kBtu/ft² | 48 tCO₂e | |
| 2021 | — | — | — |
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.
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Location
- Address
- 1401 NW 46TH ST
- City
- Seattle
- State
- Washington
- ZIP
- 98107
- Coordinates
- 47.66203, -122.37411
Within ~1 km
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- Ava Ballard Apartmentsscore 100
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See also: most efficient in Seattle · biggest emitters
How does Ballard Block Ii- 1401 Nw 46th St compare with other mixed use property buildings in Seattle?
The latest disclosures cover 157 mixed use property buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 75.1 kBtu/ft² is roughly in line with the average of 68.7 kBtu/ft². Its emissions intensity of 1.1 kgCO₂e/ft² is about 25% below the group average of 1.4 kgCO₂e/ft².
At 91,200 sq ft, it is about 45% below the average floor area of 165,352 sq ft for those buildings. It was built in 2018, 50 years later than the group's average year built (1968). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has Ballard Block Ii- 1401 Nw 46th St's energy performance changed over time?
BuildingCensus holds 5 Seattle disclosures for Ballard Block Ii- 1401 Nw 46th St, covering report years 2021–2025. Site EUI moved from 53.9 kBtu/ft² (2022) to 75.1 kBtu/ft² (2025), an 39% increase. Reported emissions went from 48 tCO₂e to 65 tCO₂e over the same span (up 37%).
What does a site EUI of 75.1 kBtu/ft² mean?
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. Ballard Block Ii- 1401 Nw 46th St's 75.1 kBtu/ft² across 91,200 sq ft works out to about 6.8 billion Btu (2,007 MWh-equivalent) in 2025. Its source EUI of 187.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,136,406 kWh of electricity and 8,184 therms of natural gas for the year.
Which law requires Ballard Block Ii- 1401 Nw 46th St to report its energy use?
Ballard Block Ii- 1401 Nw 46th St 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:50715:2025). 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 mixed use property buildings in Seattle
- Spu Operations Control Center (Occ) Complex· 90,072 sq ft · EUI 75.0 kBtu/ft²
- 2103 Queen Anne Ave N (8 W Crockett)· 84,147 sq ft · EUI 19.9 kBtu/ft²
- Eden Hill Apartments· 83,175 sq ft · EUI 22.8 kBtu/ft²
- Elliott Court· 82,065 sq ft · score 100 (A)
- Tribeca Condos & Store· 82,061 sq ft · EUI 93.9 kBtu/ft²
- Marketplace At Queen Anne Shopping Center· 81,336 sq ft · EUI 173.3 kBtu/ft²
- Mixed Use Property buildings in Seattle· 157 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 Ballard Block Ii- 1401 Nw 46th St's energy grade?
Ballard Block Ii- 1401 Nw 46th St did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 75.1 kBtu/ft².
How much energy does Ballard Block Ii- 1401 Nw 46th St use?
Its 2025 site energy-use intensity was 75.1 kBtu/ft² (187.5 kBtu/ft² source) across 91,200 sq ft, including 1,136,406 kWh of electricity and 8,184 therms of natural gas.
What are Ballard Block Ii- 1401 Nw 46th St's carbon emissions?
Ballard Block Ii- 1401 Nw 46th St reported 65 tCO₂e of greenhouse-gas emissions (1.1 kgCO₂e/ft²) for 2025.
Where is Ballard Block Ii- 1401 Nw 46th St?
Ballard Block Ii- 1401 Nw 46th St is at 1401 NW 46TH ST, in Seattle, Washington 98107. Its coordinates are 47.66203, -122.37411 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Ballard Block Ii- 1401 Nw 46th St and when was it built?
Ballard Block Ii- 1401 Nw 46th St has 91,200 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2018 as its year built. It is classed as mixed use property.
Is Ballard Block Ii- 1401 Nw 46th St 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, “Ballard Block Ii- 1401 Nw 46th St, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/ballard-block-ii-1401-nw-46th-st-3c60f34c (data as of October 2, 2026).