Element 42
Multifamily Housing in Seattle, WA · 2641 42ND AVE SW · 98116
At a glance
Element 42 is a 63,597-square-foot multifamily housing building at 2641 42ND AVE SW in Seattle, Washington, built in 2011. In its 2025 Seattle benchmarking disclosure it reported an ENERGY STAR score of 96 out of 100 (grade A), a site energy-use intensity of 39.4 kBtu/ft² and 46 tCO₂e of greenhouse-gas emissions. That score is higher than 65% of the 1,652 scored multifamily housing buildings in Seattle.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 96 (band A) |
| Site EUI | 39.4 kBtu/ft² |
| Source EUI | 87.5 kBtu/ft² |
| GHG emissions | 46 tCO₂e |
| GHG intensity | 0.8 kgCO₂e/ft² |
| Electricity | 421,927 kWh |
| Natural gas | 7,112 therms |
| Gross floor area | 63,597 sq ft |
| Source record | seattle:31187:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 96 | ±0 | 39.4 kBtu/ft² | 46 tCO₂e |
| 2024 | 96 | +1 | 40.4 kBtu/ft² | 49 tCO₂e |
| 2023 | 95 | ±0 | 41.1 kBtu/ft² | 49 tCO₂e |
| 2022 | 95 | +94 | 44.3 kBtu/ft² | 58 tCO₂e |
| 2021 | 1 | -99 | 111.0 kBtu/ft² | 81 tCO₂e |
| 2020 | 100 | +1 | 26.8 kBtu/ft² | 55 tCO₂e |
| 2019 | 99 | +12 | 27.8 kBtu/ft² | 8 tCO₂e |
| 2018 | 87 | -6 | 33.0 kBtu/ft² | 53 tCO₂e |
| 2017 | 93 | +6 | 32.1 kBtu/ft² | 52 tCO₂e |
| 2016 | 87 | -3 | 34.0 kBtu/ft² | 60 tCO₂e |
| 2015 | 90 | 32.5 kBtu/ft² | 54 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.
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Location
- Address
- 2641 42ND AVE SW
- City
- Seattle
- State
- Washington
- ZIP
- 98116
- Coordinates
- 47.58012, -122.38548
Within ~1 km
Nearby benchmarked buildings
K-12 School · 208,981 sq ft
- Luna Apts & Admiral Pccscore 100
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- Madison Middle (Sps-District)score 87
K-12 School · 166,017 sq ft
- Springline Apartmentsscore 93
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- Admiral Condominiumscore 86
Mixed Use Property · 93,114 sq ft
- Aegis West Seattlescore 98
Senior Living Community · 78,232 sq ft
See also: most efficient in Seattle · biggest emitters
How does Element 42 compare with other multifamily housing buildings in Seattle?
The latest disclosures cover 1,971 multifamily housing buildings in Seattle, out of 3,871 buildings citywide. Element 42's ENERGY STAR score of 96 compares with an average of 83 across the 1,652 that report a score; it scores higher than 65% of them and lower than 30%. Its site EUI of 39.4 kBtu/ft² is about 13% above the average of 34.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 0.8 kgCO₂e/ft² is about 20% above the group average of 0.7 kgCO₂e/ft².
At 63,597 sq ft, it is about 26% below the average floor area of 86,468 sq ft for those buildings. It was built in 2011, 28 years later than the group's average year built (1983). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Element 42's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Element 42, covering report years 2015–2025. Its ENERGY STAR score went from 90 in 2015 to 96 in 2025 (+6 points); its best year on file was 2020, at 100. Site EUI moved from 32.5 kBtu/ft² (2015) to 39.4 kBtu/ft² (2025), an 21% increase. Reported emissions went from 54 tCO₂e to 46 tCO₂e over the same span (down 16%).
What does an ENERGY STAR score of 96 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 96 means the building performs better than about 96% of its national peers. BuildingCensus bands the score into report-card grades; 96 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. Element 42's 39.4 kBtu/ft² across 63,597 sq ft works out to about 2.5 billion Btu (734 MWh-equivalent) in 2025. Its source EUI of 87.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 421,927 kWh of electricity and 7,112 therms of natural gas for the year.
Which law requires Element 42 to report its energy use?
Element 42 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:31187:2025). 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 multifamily housing buildings in Seattle
- The Daniels Apts· 63,590 sq ft · score 99 (A)
- The Edge· 63,505 sq ft · score 100 (A)
- Harbor Park Condominium· 63,414 sq ft · score 38 (D)
- Lakeshore West Condominium· 63,336 sq ft · score 79 (B)
- Mirabella (Wallingford)· 63,317 sq ft · score 97 (A)
- Lane Apartments - East· 63,269 sq ft · score 82 (B)
- Multifamily Housing buildings in Seattle· 1,971 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 Element 42's energy grade?
Element 42 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 Element 42 use?
Its 2025 site energy-use intensity was 39.4 kBtu/ft² (87.5 kBtu/ft² source) across 63,597 sq ft, including 421,927 kWh of electricity and 7,112 therms of natural gas.
What are Element 42's carbon emissions?
Element 42 reported 46 tCO₂e of greenhouse-gas emissions (0.8 kgCO₂e/ft²) for 2025.
Where is Element 42?
Element 42 is at 2641 42ND AVE SW, in Seattle, Washington 98116. Its coordinates are 47.58012, -122.38548 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Element 42 and when was it built?
Element 42 has 63,597 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2011 as its year built. It is classed as multifamily housing.
Is Element 42 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, “Element 42, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/element-42-4ee353a9 (data as of October 2, 2026).