Neptune Apartments
Multifamily Housing in Seattle, WA · 912 DEXTER AVE N · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 96 (band A) |
| Site EUI | 40.6 kBtu/ft² |
| Source EUI | 77.7 kBtu/ft² |
| GHG emissions | 295 tCO₂e |
| GHG intensity | 1.2 kgCO₂e/ft² |
| Electricity | 1,488,170 kWh |
| Natural gas | 51,889 therms |
| Gross floor area | 373,664 sq ft |
| Source record | seattle:22046:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 96 | ±0 | 40.6 kBtu/ft² | 295 tCO₂e |
| 2024 | 96 | +2 | 41.4 kBtu/ft² | 319 tCO₂e |
| 2023 | 94 | -6 | 42.2 kBtu/ft² | 322 tCO₂e |
| 2022 | 100 | 22.7 kBtu/ft² | 309 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | 100 | ±0 | 18.7 kBtu/ft² | 310 tCO₂e |
| 2019 | 100 | ±0 | 30.2 kBtu/ft² | 322 tCO₂e |
| 2018 | 100 | +6 | 30.8 kBtu/ft² | 325 tCO₂e |
| 2017 | 94 | ±0 | 43.6 kBtu/ft² | 316 tCO₂e |
| 2016 | 94 | +1 | 41.2 kBtu/ft² | 297 tCO₂e |
| 2015 | 93 | 42.6 kBtu/ft² | 309 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
- 912 DEXTER AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.62760, -122.34210
Within ~1 km
Nearby benchmarked buildings
- Troy Block (Amazon)score 88
Office · 1,261,155 sq ft
- 333 Dexter Ave Nscore 84
Office · 934,154 sq ft
- Bill & Melinda Gates Foundationscore 73
Office · 920,598 sq ft
Laboratory · 716,128 sq ft
- Ascent Slu And Marlowescore 99
Multifamily Housing · 651,374 sq ft
- Block 31 - Googlescore 89
Office · 614,956 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Neptune Apartments's energy grade?
Neptune Apartments 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 Neptune Apartments use?
Its 2025 site energy-use intensity was 40.6 kBtu/ft² (77.7 kBtu/ft² source) across 373,664 sq ft, including 1,488,170 kWh of electricity and 51,889 therms of natural gas.
What are Neptune Apartments's carbon emissions?
Neptune Apartments reported 295 tCO₂e of greenhouse-gas emissions (1.2 kgCO₂e/ft²) for 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.
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Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:22046:2025.