Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 74 (band B) |
| Site EUI | 38.9 kBtu/ft² |
| Source EUI | 90.3 kBtu/ft² |
| GHG emissions | 16 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 196,586 kWh |
| Natural gas | 2,529 therms |
| Gross floor area | 26,176 sq ft |
| Source record | seattle:21401:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 74 | +9 | 38.9 kBtu/ft² | 16 tCO₂e |
| 2024 | 65 | +3 | 48.7 kBtu/ft² | 29 tCO₂e |
| 2023 | 62 | +6 | 49.9 kBtu/ft² | 28 tCO₂e |
| 2022 | 56 | +9 | 63.1 kBtu/ft² | 46 tCO₂e |
| 2021 | 47 | -11 | 75.4 kBtu/ft² | 60 tCO₂e |
| 2020 | 58 | -17 | 67.2 kBtu/ft² | 52 tCO₂e |
| 2019 | 75 | -9 | 45.3 kBtu/ft² | 27 tCO₂e |
| 2018 | 84 | -11 | 37.7 kBtu/ft² | 23 tCO₂e |
| 2017 | 95 | ±0 | 42.2 kBtu/ft² | 32 tCO₂e |
| 2016 | 95 | +10 | 40.7 kBtu/ft² | 32 tCO₂e |
| 2015 | 85 | 53.1 kBtu/ft² | 39 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
- 511 BOREN AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.62353, -122.33622
Within ~1 km
Nearby benchmarked buildings
Office · 1,599,394 sq ft
- Day 1 Tower And Spheres (Amazon)score 93
Office · 1,599,230 sq ft
- Onni South Lake Unionscore 77
Multifamily Housing · 1,546,084 sq ft
- Insignia Condosscore 47
Multifamily Housing · 1,464,631 sq ft
- Amazon Nitroscore 94
Office · 1,323,773 sq ft
- Troy Block (Amazon)score 88
Office · 1,261,155 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is 511 Boren Building's energy grade?
511 Boren Building scores 74 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 511 Boren Building use?
Its 2025 site energy-use intensity was 38.9 kBtu/ft² (90.3 kBtu/ft² source) across 26,176 sq ft, including 196,586 kWh of electricity and 2,529 therms of natural gas.
What are 511 Boren Building's carbon emissions?
511 Boren Building reported 16 tCO₂e of greenhouse-gas emissions (0.7 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:21401:2025.