At a glance
638 SW 5TH AVE is a 64,781-square-foot office building in Portland, Oregon, built in 1928. In its 2024 Portland benchmarking disclosure it reported a site energy-use intensity of 30.0 kBtu/ft² and 182 tCO₂e of greenhouse-gas emissions.
Commercial Building Energy Performance Reporting Policy · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 30.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 182 tCO₂e |
| GHG intensity | — |
| Electricity | 568,994 kWh |
| Natural gas | 0 therms |
| Gross floor area | 64,781 sq ft |
| Source record | portland_or:1S1E03BB-100-B1:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 30.0 kBtu/ft² | 182 tCO₂e | |
| 2023 | — | 41.0 kBtu/ft² | 234 tCO₂e |
Compliance context
Commercial Building Energy Performance Reporting Policy
Portland requires commercial buildings over 20,000 sq ft to report energy performance annually, with civil penalties for buildings that fail to comply.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 638 SW 5TH AVE
- City
- Portland
- State
- Oregon
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Portland · biggest emitters
How does 638 SW 5TH AVE compare with other office buildings in Portland?
The latest disclosures cover 335 office buildings in Portland, out of 952 buildings citywide. Its site EUI of 30.0 kBtu/ft² is about 37% below the average of 47.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 64,781 sq ft, it is about 36% below the average floor area of 100,908 sq ft for those buildings. It was built in 1928, 29 years earlier than the group's average year built (1957). 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 638 SW 5TH AVE's energy performance changed over time?
BuildingCensus holds 2 Portland disclosures for 638 SW 5TH AVE, covering report years 2023–2024. Site EUI moved from 41.0 kBtu/ft² (2023) to 30.0 kBtu/ft² (2024), a 27% decrease. Reported emissions went from 234 tCO₂e to 182 tCO₂e over the same span (down 22%).
What does a site EUI of 30.0 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. 638 SW 5TH AVE's 30.0 kBtu/ft² across 64,781 sq ft works out to about 1.9 billion Btu (570 MWh-equivalent) in 2024. The disclosure also reports 568,994 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 638 SW 5TH AVE to report its energy use?
638 SW 5TH AVE reports under the Commercial Building Energy Performance Reporting Policy, the legal basis of Portland's Commercial Building Energy Reporting program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record portland_or:1S1E03BB-100-B1:2024). Portland requires commercial buildings over 20,000 sq ft to report energy performance annually, with civil penalties for buildings that fail to comply.
More office buildings in Portland
- Director Building· 64,699 sq ft · score 85 (A)
- EC Corp Office Bldg 1· 63,889 sq ft · score 89 (A)
- United Carriage Building· 63,172 sq ft · EUI 22.1 kBtu/ft²
- Fremont Place II - 1650 NW Naito Pkwy· 62,985 sq ft · score 97 (A)
- JEAN VOLLUM NATURAL CAPITAL CENTER· 62,697 sq ft · score 76 (B)
- 12th and Morrison Building· 62,381 sq ft
- Office buildings in Portland· 335 benchmarked
- All Portland benchmarked buildings· Commercial Building Energy Performance Reporting Policy
- Most efficient large buildings in Portland
- Least efficient large buildings in Portland
- Biggest emitters in Portland
Frequently asked questions
What is 638 SW 5TH AVE's energy grade?
638 SW 5TH AVE did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 30.0 kBtu/ft².
How much energy does 638 SW 5TH AVE use?
Its 2024 site energy-use intensity was 30.0 kBtu/ft² across 64,781 sq ft, including 568,994 kWh of electricity and 0 therms of natural gas.
What are 638 SW 5TH AVE's carbon emissions?
638 SW 5TH AVE reported 182 tCO₂e of greenhouse-gas emissions for 2024.
Where is 638 SW 5TH AVE?
638 SW 5TH AVE is in Portland, Oregon.
How big is 638 SW 5TH AVE and when was it built?
638 SW 5TH AVE has 64,781 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1928 as its year built. It is classed as office.
Is 638 SW 5TH AVE covered by the Commercial Building Energy Performance Reporting Policy?
Yes — it appears in the 2024 Commercial Building Energy Reporting disclosure, which lists the buildings reporting under the Commercial Building Energy Performance Reporting Policy.
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About this data
Source: Commercial Building Energy Reporting (Commercial Building Energy Performance Reporting Policy), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “638 SW 5TH AVE, Portland, Oregon — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/portland/638-sw-5th-ave-5ec5a93d (data as of July 9, 2026).