At a glance
Harbor Avenue Campus is a 66,473-square-foot office building at 1307 HARBOR AVE SW in Seattle, Washington, built in 2018.
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 | 299,896 kWh |
| Gross floor area | 66,473 sq ft |
| Source record | seattle:50707:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | — | 15.1 kBtu/ft² | 6 tCO₂e | |
| 2023 | — | 15.7 kBtu/ft² | 7 tCO₂e | |
| 2022 | — | 14.4 kBtu/ft² | 7 tCO₂e | |
| 2021 | — | 14.3 kBtu/ft² | 6 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
- 1307 HARBOR AVE SW
- City
- Seattle
- State
- Washington
- ZIP
- 98116
- Coordinates
- 47.59176, -122.38291
Within ~1 km
Nearby benchmarked buildings
- Infinity Shore Clubscore 60
Multifamily Housing · 107,799 sq ft
- Seabird Condominiumscore 76
Multifamily Housing · 72,155 sq ft
- Harbor Park Condominiumscore 38
Multifamily Housing · 63,414 sq ft
Residential Care Facility · 54,863 sq ft
Multifamily Housing · 43,222 sq ft
- Point Elliott Condominiumscore —
Multifamily Housing · 42,188 sq ft
See also: most efficient in Seattle · biggest emitters
How does Harbor Avenue Campus compare with other office buildings in Seattle?
The latest disclosures cover 497 office buildings in Seattle, out of 3,871 buildings citywide.
At 66,473 sq ft, it is about 66% below the average floor area of 196,452 sq ft for those buildings. It was built in 2018, 53 years later than the group's average year built (1965). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Harbor Avenue Campus's energy performance changed over time?
BuildingCensus holds 5 Seattle disclosures for Harbor Avenue Campus, covering report years 2021–2025. Site EUI moved from 14.3 kBtu/ft² (2021) to 15.1 kBtu/ft² (2024), an 6% increase. Reported emissions went from 6 tCO₂e to 6 tCO₂e over the same span (down 2%).
Which law requires Harbor Avenue Campus to report its energy use?
Harbor Avenue Campus 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:50707:2025). 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 office buildings in Seattle
- Terry Ave Bldg· 64,596 sq ft · score 96 (A)
- 1201 Building· 64,512 sq ft · score 67 (C)
- SEATTLE METROPOLITAN CREDIT UNION- demolished· 63,990 sq ft · score 80 (B)
- CHROMER BUILDING· 63,540 sq ft · score 88 (A)
- Lloyd Building· 63,409 sq ft
- SEIU LOCAL 775- SEATTLE BUILDING· 63,150 sq ft
- Office buildings in Seattle· 497 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 Harbor Avenue Campus's energy grade?
Harbor Avenue Campus did not report an ENERGY STAR score in its 2025 disclosure.
How much energy does Harbor Avenue Campus use?
No energy-use intensity was reported for 2025.
What are Harbor Avenue Campus's carbon emissions?
No greenhouse-gas emissions figure was reported for 2025.
Where is Harbor Avenue Campus?
Harbor Avenue Campus is at 1307 HARBOR AVE SW, in Seattle, Washington 98116. Its coordinates are 47.59176, -122.38291 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Harbor Avenue Campus and when was it built?
Harbor Avenue Campus has 66,473 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2018 as its year built. It is classed as office.
Is Harbor Avenue Campus 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, “Harbor Avenue Campus, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/harbor-avenue-campus-1e202cd8 (data as of October 2, 2026).