Alpha Delta Pi Sorority
Residence Hall/Dormitory in Seattle, WA · 1805 NE 47TH ST · 98105
At a glance
Alpha Delta Pi Sorority is a 29,084-square-foot residence hall/dormitory at 1805 NE 47TH ST in Seattle, Washington, built in 1950.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 130,034 kWh |
| Gross floor area | 29,084 sq ft |
| Source record | seattle:27020:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | 81 | 50.2 kBtu/ft² | 48 tCO₂e | |
| 2023 | — | — | 3 tCO₂e | |
| 2022 | — | — | 2 tCO₂e | |
| 2021 | 95 | -1 | 21.8 kBtu/ft² | 7 tCO₂e |
| 2020 | 96 | +19 | 22.9 kBtu/ft² | 12 tCO₂e |
| 2019 | 77 | +8 | 54.5 kBtu/ft² | 52 tCO₂e |
| 2018 | 69 | +3 | 63.8 kBtu/ft² | 64 tCO₂e |
| 2017 | 66 | ±0 | 69.2 kBtu/ft² | 70 tCO₂e |
| 2016 | 66 | -3 | 62.8 kBtu/ft² | 60 tCO₂e |
| 2015 | 69 | 60.7 kBtu/ft² | 58 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
- 1805 NE 47TH ST
- City
- Seattle
- State
- Washington
- ZIP
- 98105
- Coordinates
- 47.66281, -122.30819
Within ~1 km
Nearby benchmarked buildings
College/University · 15,216,474 sq ft
- The Standard At Seattlescore 100
Multifamily Housing · 612,844 sq ft
- Trailside - Student Housingscore —
Multifamily Housing · 448,353 sq ft
- Uw Tower Bldg Complexscore —
College/University · 417,035 sq ft
Multifamily Housing · 411,067 sq ft
- Arista Residencesscore 99
Multifamily Housing · 333,773 sq ft
See also: most efficient in Seattle · biggest emitters
How does Alpha Delta Pi Sorority compare with other residence hall/dormitory buildings in Seattle?
The latest disclosures cover 13 residence hall/dormitory buildings in Seattle, out of 3,871 buildings citywide.
At 29,084 sq ft, it is about 65% below the average floor area of 82,288 sq ft for those buildings. It was built in 1950, 12 years earlier than the group's average year built (1962). Across all 24 jurisdictions BuildingCensus covers, the 702 residence hall/dormitory buildings average an ENERGY STAR score of 70 and a site EUI of 70.7 kBtu/ft².
How has Alpha Delta Pi Sorority's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Alpha Delta Pi Sorority, covering report years 2015–2025. Its ENERGY STAR score went from 69 in 2015 to 81 in 2024 (+12 points); its best year on file was 2020, at 96. Site EUI moved from 60.7 kBtu/ft² (2015) to 50.2 kBtu/ft² (2024), a 17% decrease. Reported emissions went from 58 tCO₂e to 48 tCO₂e over the same span (down 18%).
Which law requires Alpha Delta Pi Sorority to report its energy use?
Alpha Delta Pi Sorority 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:27020:2025). 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 residence hall/dormitory buildings in Seattle
- Brooklyn Plaza Dorm· 28,572 sq ft · score 49 (D)
- Chi Omega Sorority· 27,487 sq ft · score 99 (A)
- Sigma Chi Fraternity· 23,616 sq ft
- Phi Gamma Delta Fraternity· 22,124 sq ft · score 51 (D)
- Phi Delta Theta· 21,499 sq ft · score 97 (A)
- Alpha Chi Omega Sorority· 20,008 sq ft · score 76 (B)
- 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 Alpha Delta Pi Sorority's energy grade?
Alpha Delta Pi Sorority did not report an ENERGY STAR score in its 2025 disclosure.
How much energy does Alpha Delta Pi Sorority use?
No energy-use intensity was reported for 2025.
What are Alpha Delta Pi Sorority's carbon emissions?
No greenhouse-gas emissions figure was reported for 2025.
Where is Alpha Delta Pi Sorority?
Alpha Delta Pi Sorority is at 1805 NE 47TH ST, in Seattle, Washington 98105. Its coordinates are 47.66281, -122.30819 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Alpha Delta Pi Sorority and when was it built?
Alpha Delta Pi Sorority has 29,084 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1950 as its year built. It is classed as residence hall/dormitory.
Is Alpha Delta Pi Sorority 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, “Alpha Delta Pi Sorority, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/alpha-delta-pi-sorority-c15831f5 (data as of October 2, 2026).