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Historic Commonwealth Building Office Space
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421 Southwest 6th Avenue, Portland, OR 97204

Landmark office building in Portland's Central Business District.

Space Size1,340 SF - 20,680 SF
Days on Market197

Property Features for 421 Southwest 6th Avenue

General Information

Standard status Active
Size 1,340 SF - 20,680 SF
Property subtype Office

Spaces For Lease

at 421 Southwest 6th Avenue Contact us
Name Size Type Rate Availability
Suite 1200 6,594 SF Office — Available Contact us
Suite 1250 6,467 SF Office — Available Contact us
Suite 100 19,948 SF Office — Available Contact us
Suite 1000 12,723 SF Office — Available Contact us
Suite 1450 1,340 SF Office — Available Contact us
Suite 225 8,885 SF Office — Available Contact us
Suite 400 14,617 SF Office — Available Contact us
Suite 450 5,960 SF Office — Available Contact us
Suite 500 20,597 SF Office — Available Contact us
Suite 600 20,680 SF Office — Available Contact us
Suite 700 6,429 SF Office — Available Contact us
Suite 725 2,500 SF Office — Available Contact us
Suite 900 6,082 SF Office — Available Contact us
Suite 950 3,242 SF Office — Available Contact us
Suite 975 3,215 SF Office — Available Contact us
Listing Agency: CBRE | Portland
Listed By: Kevin Kaufman
Source: Cbre
Added: Mar 25 Changed: Oct 1 Last Checked: Oct 5 at 5:37PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of CBRE | Portland

Investment Insights

Based on property information with market context.

The Commonwealth Building, constructed in 1948, represents a significant advancement in modern architecture. Designed by architect Pietro Belluschi, this building is recognized as one of Portland’s most important commercial structures and was named among the fifty most significant buildings constructed in the United States during the 1900s. The property features a jewel box lobby showcasing an original Pietro Belluschi mural, extensive window lines with floor-to-ceiling glass, and a unique aluminum and glass exterior. The building offers on-site retail support and a fitness area equipped with showers and lockers. The property is located in the Central Business District.

Key Highlights

  • Architecturally significant building designed by Pietro Belluschi, named one of the 50 most significant US buildings of the 1900s.
  • Jewel box lobby with original Pietro Belluschi mural.
  • Extensive window line with glass to ceiling.

Property Analytics

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Current Use

Office buildings

Suggested Use

Top Pick Auto Parts Store Nail Salon Barber Shop Electrical Service Storage Facility Grocery & Convenience Store

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

5,275
Businesses Nearby

Demographics for 97204, OR

1,001
Population
441
Households
2.3
Avg Household Size
40
Median Age
14%
College-Educated
90%
High-School Grad
0.2 sq mi
ZIP Area
5,005
Density / Sq Mi
$16,875
Median Earnings
$783
Median Rent
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
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Market

Lease Benchmarks for Portland, OR

$29.78 /SF/Yr
Avg Asking Price
$12–$180 /SF/Yr
Price Range
30,744 SF
Avg Space Size

Vacancy Rate% for Office in Portland, OR

10.1% 2019
12.3% 2020
16.1% 2021
18.5% 2022
20.8% 2023
21.7% 2024
24.3% 2025
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Frequently Asked Questions

What type of property is this?
Office building - Landmark office building in Portland's Central Business District.
Where is this office building located?
The property is located at 421 Southwest 6th Avenue Portland, OR.
What are key features of this property?
This property features: Architecturally significant building designed by Pietro Belluschi, named one of the 50 most significant US buildings of the 1900s.; Jewel box lobby with original Pietro Belluschi mural.; Extensive window line with glass to ceiling.
More about this property
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