University Manor Apartments
Multifamily Housing in Seattle, WA · 1305 NE 43RD ST · 98105
At a glance
University Manor Apartments is a 63,837-square-foot multifamily housing building at 1305 NE 43RD ST in Seattle, Washington, built in 1928. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 42.3 kBtu/ft² and 59 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 42.3 kBtu/ft² |
| Source EUI | 91.9 kBtu/ft² |
| GHG emissions | 59 tCO₂e |
| GHG intensity | 0.9 kgCO₂e/ft² |
| Electricity | 501,096 kWh |
| Natural gas | 9,567 therms |
| Gross floor area | 63,837 sq ft |
| Source record | seattle:20265:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 42.3 kBtu/ft² | 59 tCO₂e | |
| 2024 | — | 42.0 kBtu/ft² | 56 tCO₂e | |
| 2023 | — | 44.6 kBtu/ft² | 65 tCO₂e | |
| 2022 | — | 41.3 kBtu/ft² | 58 tCO₂e | |
| 2021 | — | 40.3 kBtu/ft² | 59 tCO₂e | |
| 2020 | — | 39.4 kBtu/ft² | 62 tCO₂e | |
| 2019 | — | 43.0 kBtu/ft² | 67 tCO₂e | |
| 2018 | — | 41.8 kBtu/ft² | 64 tCO₂e | |
| 2017 | — | 34.7 kBtu/ft² | 38 tCO₂e | |
| 2016 | — | 40.7 kBtu/ft² | 62 tCO₂e | |
| 2015 | — | 37.0 kBtu/ft² | 52 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
- 1305 NE 43RD ST
- City
- Seattle
- State
- Washington
- ZIP
- 98105
- Coordinates
- 47.65964, -122.31394
Within ~1 km
Nearby benchmarked buildings
College/University · 15,216,474 sq ft
- The Standard At Seattlescore 100
Multifamily Housing · 612,844 sq ft
- Uw Tower Bldg Complexscore —
College/University · 417,035 sq ft
Multifamily Housing · 411,067 sq ft
- Chapter Building 1score 100
Office · 328,919 sq ft
- Terry & Maple Hall Uwscore —
Residence Hall/Dormitory · 325,000 sq ft
See also: most efficient in Seattle · biggest emitters
How does University Manor Apartments 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 42.3 kBtu/ft² is about 21% above the average of 34.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 0.9 kgCO₂e/ft² is about 34% above the group average of 0.7 kgCO₂e/ft².
At 63,837 sq ft, it is about 26% below the average floor area of 86,468 sq ft for those buildings. It was built in 1928, 55 years earlier 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 University Manor Apartments's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for University Manor Apartments, covering report years 2015–2025. Site EUI moved from 37.0 kBtu/ft² (2015) to 42.3 kBtu/ft² (2025), an 14% increase. Reported emissions went from 52 tCO₂e to 59 tCO₂e over the same span (up 14%).
What does a site EUI of 42.3 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. University Manor Apartments's 42.3 kBtu/ft² across 63,837 sq ft works out to about 2.7 billion Btu (791 MWh-equivalent) in 2025. Its source EUI of 91.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 501,096 kWh of electricity and 9,567 therms of natural gas for the year.
Which law requires University Manor Apartments to report its energy use?
University Manor Apartments 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:20265:2025). 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
- Nolan· 63,825 sq ft · score 97 (A)
- Lyon Building· 63,712 sq ft · score 33 (D)
- Oxford Crest Apt· 63,681 sq ft · score 89 (A)
- Northbrook Place· 63,670 sq ft · score 54 (D)
- Element 42· 63,597 sq ft · score 96 (A)
- The Daniels Apts· 63,590 sq ft · score 99 (A)
- 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 University Manor Apartments's energy grade?
University Manor Apartments did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 42.3 kBtu/ft².
How much energy does University Manor Apartments use?
Its 2025 site energy-use intensity was 42.3 kBtu/ft² (91.9 kBtu/ft² source) across 63,837 sq ft, including 501,096 kWh of electricity and 9,567 therms of natural gas.
What are University Manor Apartments's carbon emissions?
University Manor Apartments reported 59 tCO₂e of greenhouse-gas emissions (0.9 kgCO₂e/ft²) for 2025.
Where is University Manor Apartments?
University Manor Apartments is at 1305 NE 43RD ST, in Seattle, Washington 98105. Its coordinates are 47.65964, -122.31394 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is University Manor Apartments and when was it built?
University Manor Apartments has 63,837 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1928 as its year built. It is classed as multifamily housing.
Is University Manor Apartments 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, “University Manor Apartments, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/university-manor-apartments-2c6047a7 (data as of October 2, 2026).