At a glance
The Postal Building is a 40,076-square-foot office building at 502-516 SW 3RD AVE in Portland, Oregon, built in 1900. In its 2024 Portland benchmarking disclosure it reported a site energy-use intensity of 50.7 kBtu/ft² and 138 tCO₂e of greenhouse-gas emissions.
Commercial Building Energy Performance Reporting Policy · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 50.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 138 tCO₂e |
| GHG intensity | — |
| Electricity | 214,411 kWh |
| Natural gas | 13,001 therms |
| Gross floor area | 40,076 sq ft |
| Source record | portland_or:1S1E03BA-5300-B1:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 50.7 kBtu/ft² | 138 tCO₂e | |
| 2023 | — | 94.0 kBtu/ft² | 259 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
- 502-516 SW 3RD 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 The Postal Building 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 50.7 kBtu/ft² is roughly in line with the average of 47.6 kBtu/ft².
At 40,076 sq ft, it is about 60% below the average floor area of 100,908 sq ft for those buildings. It was built in 1900, 57 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 The Postal Building's energy performance changed over time?
BuildingCensus holds 2 Portland disclosures for The Postal Building, covering report years 2023–2024. Site EUI moved from 94.0 kBtu/ft² (2023) to 50.7 kBtu/ft² (2024), a 46% decrease. Reported emissions went from 259 tCO₂e to 138 tCO₂e over the same span (down 47%).
What does a site EUI of 50.7 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. The Postal Building's 50.7 kBtu/ft² across 40,076 sq ft works out to about 2 billion Btu (595 MWh-equivalent) in 2024. The disclosure also reports 214,411 kWh of electricity and 13,001 therms of natural gas for the year.
Which law requires The Postal Building to report its energy use?
The Postal Building 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:1S1E03BA-5300-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
- 1231 NW HOYT ST· 40,000 sq ft · score 96 (A)
- Gadsby Building (529-545 NW 13TH AVE)· 40,000 sq ft · score 79 (B)
- New Market West· 40,000 sq ft · score 60 (C)
- LifeWorks NW - Sylvan· 40,000 sq ft · score 47 (D)
- COP - Water Pollution Control Lab· 39,740 sq ft · score 3 (D)
- 78th Court· 39,639 sq ft · score 86 (A)
- 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 The Postal Building's energy grade?
The Postal Building did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 50.7 kBtu/ft².
How much energy does The Postal Building use?
Its 2024 site energy-use intensity was 50.7 kBtu/ft² across 40,076 sq ft, including 214,411 kWh of electricity and 13,001 therms of natural gas.
What are The Postal Building's carbon emissions?
The Postal Building reported 138 tCO₂e of greenhouse-gas emissions for 2024.
Where is The Postal Building?
The Postal Building is at 502-516 SW 3RD AVE, in Portland, Oregon.
How big is The Postal Building and when was it built?
The Postal Building has 40,076 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as office.
Is The Postal Building 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, “The Postal Building, Portland, Oregon — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/portland/the-postal-building-44e939d7 (data as of July 9, 2026).