Franconia Apt
Multifamily Housing in Seattle, WA · 400 W MERCER ST · 98119
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 74 (band B) |
| Site EUI | 65.8 kBtu/ft² |
| Source EUI | 86.6 kBtu/ft² |
| GHG emissions | 78 tCO₂e |
| GHG intensity | 2.9 kgCO₂e/ft² |
| Electricity | 79,485 kWh |
| Natural gas | 15,068 therms |
| Gross floor area | 32,693 sq ft |
| Source record | seattle:23220:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 74 | +10 | 65.8 kBtu/ft² | 78 tCO₂e |
| 2024 | 64 | +3 | 72.2 kBtu/ft² | 90 tCO₂e |
| 2023 | 61 | +49 | 72.6 kBtu/ft² | 90 tCO₂e |
| 2022 | 12 | +9 | 114.7 kBtu/ft² | 149 tCO₂e |
| 2021 | 3 | -85 | 138.4 kBtu/ft² | 183 tCO₂e |
| 2020 | 88 | +28 | 50.5 kBtu/ft² | 58 tCO₂e |
| 2019 | 60 | ±0 | 73.7 kBtu/ft² | 93 tCO₂e |
| 2018 | 60 | -1 | 72.9 kBtu/ft² | 92 tCO₂e |
| 2017 | 61 | -5 | 79.1 kBtu/ft² | 100 tCO₂e |
| 2016 | 66 | -3 | 69.2 kBtu/ft² | 86 tCO₂e |
| 2015 | 69 | 68.8 kBtu/ft² | 86 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
- 400 W MERCER ST
- City
- Seattle
- State
- Washington
- ZIP
- 98119
- Coordinates
- 47.62489, -122.36219
Within ~1 km
Nearby benchmarked buildings
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- 3131 Elliott Bldgscore 77
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- Elliott Bay Office Parkscore 97
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- Astro Apartmentsscore 95
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Franconia Apt's energy grade?
Franconia Apt 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 Franconia Apt use?
Its 2025 site energy-use intensity was 65.8 kBtu/ft² (86.6 kBtu/ft² source) across 32,693 sq ft, including 79,485 kWh of electricity and 15,068 therms of natural gas.
What are Franconia Apt's carbon emissions?
Franconia Apt reported 78 tCO₂e of greenhouse-gas emissions (2.9 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:23220:2025.