Commonwealth Building

421 SW 6th Avenue, Portland, OR 97204

Property Information

  • For Lease Contact for pricing
  • Property Type Office - General Office
  • Property Size 219,742 SF
  • Lot Size 0.46 Acre
  • Property Tenancy Multi-Tenant
  • LEED Certified Platinum
  • Building Class A
  • Year Built 1948
  • Date Updated May 14, 2026

17 Spaces Available

421 Southwest 6th Avenue

Space Type

Restaurant

Lease Rate

Contact for pricing

Total Space

2,700 SF

Divisible Space

2,700 - 2,700 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

421 Southwest 6th Avenue

Space Type

Retail

Lease Rate

Contact for pricing

Total Space

19,948 SF

Divisible Space

19,948 - 19,948 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Mezzanine

421 Southwest 6th Avenue #100

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

19,948 SF

Divisible Space

19,948 - 19,948 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Ground Floor 10,174 RSF Mezzanine 9,774 RSF

Available now • Ground floor + Mezzanine • Visible corner with huge windows • Exposed concrete throughout • Internal stairs connected to mezzanine • Large breakroom and lounge area • CX Zoning allows a variety of uses

421 Southwest 6th Avenue #1000

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

12,723 SF

Floor

10

Divisible Space

12,723 - 12,723 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Full floor opportunity • Mix of open workspace, private offices and conference rooms • Exposed ceilings throughout • Great natural light and sight lines

421 Southwest 6th Avenue #1200

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

6,594 SF

Divisible Space

6,594 - 13,061 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Full floor opportunity at 13,061 RSF • 3 sides of glass line • Mix of private offices and open workspace • Corner kitchenette with views • Elevator lobby exposure

Contacts

Location

Located at 421 SW 6th Avenue, Portland, OR 97204, this property is part of the Downtown Portland neighborhood and Portland market.

Contact Commonwealth Building
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