Building Details

Year Built 1948

Construction aluminum and glass

Spaces For Lease

at 421 SW 6th Ave Contact us

Commonwealth Building $29/SF/Yr

Floor

13

Size

7,295 SF

Type

OFFICE

Lease Type

FULL_SERVICE

Availability

AVAILABLE, Now

Sublease

Yes

- Portland’s famous Commonwealth Building offers contemporary design and modern... amenities not often seen in offices within this price range. - Fully technology-equipped conference facilities - Large rooftop lounge with kitchen to host meetings and events - Adjacent landscaped, rooftop patio and outdoor fireplace - Two 1st floor huddle rooms - Workout facility and locker rooms - Bike park - Basement Storage Available - Multiple Max line stops on 5th and 6th Avenues - Two blocks to Pioneer Square - 2 Executive Offices - 6 Private Offices - 2 Conference Rooms - Fully Equipped Kitchen - Outdoor Patio - Sound Booth - Fully Furnished including: - 22 Herman Miller sit/stand desks - 85” Plasma TV

show more

Contact us

Listing Agency: Cushman & Wakefield | Portland Show Phone

Listed By: Doug Deurwaarder Show Phone

Source: Moodyscre

Added: Mar 21, 2025 Changed: Sep 7 Last Checked: Sep 14 at 10:28AM

Report an Issue

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 Cushman & Wakefield | Portland

Investment Insights

Based on property information with market context.

A new spec office suite within The Commonwealth Building offers an efficient open area plus multiple conference rooms, a kitchenette, and a prominent “jewel box” lobby featuring an original Pietro Belluschi mural. The suite includes an extensive window line with glass to ceiling, designed to bring in substantial natural light, and a unique aluminum and glass exterior skin.

The Commonwealth Building was built in 1948 and designed by architect Pietro Belluschi. Additional on-site amenities include rooftop deck space and a fitness area with showers and lockers, along with on-site retail support.

The building’s modern architectural character is a standout feature for tenants seeking a distinctive workplace setting, balanced with day-to-day functionality such as conference space, open work areas, and support amenities.

Key Highlights

• 6,429 SF new spec office suite
• Extensive glass‑to‑ceiling window line for substantial natural light
• Multiple conference rooms plus efficient open area

Property Analytics

Unlock full access to Insights Subscribe to Realmo Intelligence

Open Analytics

Current Use

Green Sports Alliance Charitable Organization Shaw Law Group Law Firm National Fish and Wildlife ... Charitable Organization NV5 Geospatial IT Consulting Firm

Suggested Use

Top Pick Veterinary Clinic Nursing Home Tanning Salon Buffet Electrical Service (Bike/Boat/Book/etc) 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

$4.35 /SF/Yr

CAM

Location Intelligence

Trade Area within ½ mile

12,966

Businesses Nearby

Explore this area Business Placement

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

Market

Lease Benchmarks for Portland, OR

$22.47 /SF/Yr

Avg Asking Price

$1.71–$40.6 /SF/Yr

Price Range

12,545 SF

Avg Space Size

This space is priced 29% above the average of $22.47 /SF/Yr.

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

Questions? Ask Rey

Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

What type of property is this? Where is this office units located? What is the lease rate? Find similar properties What are key features of this property?

Similar For Rent Nearby

Two-Story Office Building

11000 SW Barbur Boulevard, Portland, OR 97219

$21 SF/Yr

3,000 sqft

View details

2nd-Generation Restaurant/Bar Space

1981 West Burnside Street, Portland, OR 97209

$25 SF/Yr

2,850 sqft

View details

Creative Office Suite

1601 Northwest Savier Street, Portland, OR 97209

$20 SF/Yr

4,000 sqft

View details

Flex Space with Vacant Area

1132 SE Salmon St, Portland, OR 97214

$18 SF/Yr

4,000 sqft

View details

Retail Space with High Ceilings

3442 Southeast Belmont Street, Portland, OR 97214

$30 SF/Yr

2,000 sqft

View details

Office Building with Fitness Center

4380 South Macadam Avenue, Portland, OR 97239

$20 SF/Yr

2,111 sqft

View details

Medical Office with Off-Street Parking

1832 N Lombard St, Portland, OR 97217

$27.50 SF/Yr

1,836 sqft

View details

Freestanding Office Building

3644 Southwest Troy Street, Portland, OR 97219

$26 SF/Yr

2,800 sqft

View details

Historic Creative Office Space

1515 NW 19th Ave, Portland, OR 97209

$9,257/Mo

9,257 sqft

View details

Office Units

1880 sw 5th Street, Portland, OR 97201

$16 SF/Yr

3,500 sqft

View details

Retail Space with New Heater

4518 SW Vermont, Portland, OR 97219

$32 SF/Yr

800 sqft

View details

Corner Coffee Shop Sublease

3757 Se Hawthorne Blvd, Portland, OR 97214

$35 SF/Yr

2,500 sqft

View details

Frequently Asked Questions

What type of property is this?

Office units - New spec office suite offers large windows with natural light, multiple conference rooms, and a kitchenette.

Where is this office units located?

The property is located at 421 SW 6th Ave Portland, OR.

What is the lease rate?

The lease rate is $29 SF/Yr.

What are key features of this property?

This property features: 6,429 SF new spec office suite; Extensive glass‑to‑ceiling window line for substantial natural light; Multiple conference rooms plus efficient open area