Portage Bay Flats
Multifamily MR (5-9) in Seattle, WA · 4029 7TH AVE NE · 98105
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 40.6 kBtu/ft² |
| Source EUI | 72.0 kBtu/ft² |
| GHG emissions | 42 tCO₂e |
| GHG intensity | 1.4 kgCO₂e/ft² |
| Electricity | 150,608 kWh |
| Natural gas | 7,315 therms |
| Gross floor area | 30,649 sq ft |
| Source record | seattle:50005:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | ±0 | 40.6 kBtu/ft² | 42 tCO₂e |
| 2023 | 100 | ±0 | 40.3 kBtu/ft² | 41 tCO₂e |
| 2022 | 100 | 41.5 kBtu/ft² | 43 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | 20.6 kBtu/ft² | 3 tCO₂e | |
| 2019 | 100 | ±0 | 47.2 kBtu/ft² | 39 tCO₂e |
| 2018 | 100 | ±0 | 48.4 kBtu/ft² | 39 tCO₂e |
| 2017 | 100 | ±0 | 48.2 kBtu/ft² | 40 tCO₂e |
| 2016 | 100 | 42.3 kBtu/ft² | 34 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Ownership
No owner listed in the disclosure.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 4029 7TH AVE NE
- City
- Seattle
- State
- Washington
- ZIP
- 98105
- Coordinates
- 47.65641, -122.32126
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Portage Bay Flats's energy grade?
Portage Bay Flats scores 100 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Portage Bay Flats use?
Its 2024 site energy-use intensity was 40.6 kBtu/ft² (72.0 kBtu/ft² source) across 30,649 sq ft, including 150,608 kWh of electricity and 7,315 therms of natural gas.
What are Portage Bay Flats's carbon emissions?
Portage Bay Flats reported 42 tCO₂e of greenhouse-gas emissions (1.4 kgCO₂e/ft²) for 2024. Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:50005:2024.