Tashiro-Kaplan Building Condo/Mixed Use
Multifamily Housing in Seattle, WA · 101 PREFONTAINE PL S · 98104
At a glance
Tashiro-Kaplan Building Condo/Mixed Use is a 117,950-square-foot multifamily housing building at 101 PREFONTAINE PL S in Seattle, Washington, built in 2002. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 27.8 kBtu/ft² and 28 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 27.8 kBtu/ft² |
| Source EUI | 73.8 kBtu/ft² |
| GHG emissions | 28 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Electricity | 796,595 kWh |
| Natural gas | 2,496 therms |
| Gross floor area | 117,950 sq ft |
| Source record | seattle:655:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 27.8 kBtu/ft² | 28 tCO₂e | |
| 2024 | — | 29.4 kBtu/ft² | 36 tCO₂e | |
| 2023 | — | 30.0 kBtu/ft² | 37 tCO₂e | |
| 2022 | — | 31.6 kBtu/ft² | 38 tCO₂e | |
| 2021 | — | 29.9 kBtu/ft² | 33 tCO₂e | |
| 2020 | — | 28.5 kBtu/ft² | 22 tCO₂e | |
| 2019 | — | 30.6 kBtu/ft² | 21 tCO₂e | |
| 2018 | — | 29.8 kBtu/ft² | 19 tCO₂e | |
| 2017 | — | 26.1 kBtu/ft² | 18 tCO₂e | |
| 2016 | 55 | -10 | 27.0 kBtu/ft² | 22 tCO₂e |
| 2015 | 65 | 25.4 kBtu/ft² | 20 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
- 101 PREFONTAINE PL S
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60138, -122.32997
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Tashiro-Kaplan Building Condo/Mixed Use 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. Its site EUI of 27.8 kBtu/ft² is about 20% below the average of 34.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.3 kgCO₂e/ft² is about 61% below the group average of 0.7 kgCO₂e/ft².
At 117,950 sq ft, it is about 36% above the average floor area of 86,468 sq ft for those buildings. It was built in 2002, 19 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 Tashiro-Kaplan Building Condo/Mixed Use's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Tashiro-Kaplan Building Condo/Mixed Use, covering report years 2015–2025. Its ENERGY STAR score went from 65 in 2015 to 55 in 2016 (-10 points); its best year on file was 2015, at 65. Site EUI moved from 25.4 kBtu/ft² (2015) to 27.8 kBtu/ft² (2025), an 9% increase. Reported emissions went from 20 tCO₂e to 28 tCO₂e over the same span (up 41%).
What does a site EUI of 27.8 kBtu/ft² mean?
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. Tashiro-Kaplan Building Condo/Mixed Use's 27.8 kBtu/ft² across 117,950 sq ft works out to about 3.3 billion Btu (961 MWh-equivalent) in 2025. Its source EUI of 73.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 796,595 kWh of electricity and 2,496 therms of natural gas for the year.
Which law requires Tashiro-Kaplan Building Condo/Mixed Use to report its energy use?
Tashiro-Kaplan Building Condo/Mixed Use 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:655:2025). 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
- Dunn Motors Building· 117,555 sq ft · score 100 (A)
- Grandview Condominium· 117,069 sq ft · EUI 28.7 kBtu/ft²
- 2024 Third Ave/Ywca· 116,947 sq ft · EUI 60.6 kBtu/ft²
- Anthem On 12th· 116,576 sq ft · score 99 (A)
- Roystone Apartments· 116,447 sq ft · score 100 (A)
- Brentwood Square Apts· 116,143 sq ft · score 84 (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 Tashiro-Kaplan Building Condo/Mixed Use's energy grade?
Tashiro-Kaplan Building Condo/Mixed Use did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 27.8 kBtu/ft².
How much energy does Tashiro-Kaplan Building Condo/Mixed Use use?
Its 2025 site energy-use intensity was 27.8 kBtu/ft² (73.8 kBtu/ft² source) across 117,950 sq ft, including 796,595 kWh of electricity and 2,496 therms of natural gas.
What are Tashiro-Kaplan Building Condo/Mixed Use's carbon emissions?
Tashiro-Kaplan Building Condo/Mixed Use reported 28 tCO₂e of greenhouse-gas emissions (0.3 kgCO₂e/ft²) for 2025.
Where is Tashiro-Kaplan Building Condo/Mixed Use?
Tashiro-Kaplan Building Condo/Mixed Use is at 101 PREFONTAINE PL S, in Seattle, Washington 98104. Its coordinates are 47.60138, -122.32997 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Tashiro-Kaplan Building Condo/Mixed Use and when was it built?
Tashiro-Kaplan Building Condo/Mixed Use has 117,950 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2002 as its year built. It is classed as multifamily housing.
Is Tashiro-Kaplan Building Condo/Mixed Use 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, “Tashiro-Kaplan Building Condo/Mixed Use, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/tashiro-kaplan-building-condo-mixed-use-3f12289e (data as of October 2, 2026).