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421 Southwest 6th Avenue

Commonwealth Portland Building LLC Acquires Office Asset In Portland For $6.5 Million
SOLDOffice

Commonwealth Portland Building LLC Acquires Office Asset In Portland For $6.5 Million

421 Southwest 6th Avenue

$6,500,000

$29/SF

Building Size

224,122 SF

Asset Type

Office

Closing

Jan 2, 2026

AI

An office property located at 421 Southwest 6th Avenue in Portland, OR, known as the Commonwealth Building, was sold for $6.5 million. The building encompasses a total area of 224,122 square feet, resulting in a price per square foot of $29. The asset reflects the current market conditions in downtown Portland, which has experienced a decline in office values.

Summary of transaction details:

  • Property Type: Office
  • Transaction Amount: $6,500,000
  • Square Footage: 224,122
  • Price Per Square Foot: $29
  • Address: 421 Southwest 6th Avenue
  • Market: Portland, OR
  • Buyer: Commonwealth Portland Building LLC
  • Brokers: Nicholas "Nick" Kucha & Ryan Plummer - Newmark

The transaction involved brokers Nicholas "Nick" Kucha and Ryan Plummer, who represented the deal through Newmark. The Commonwealth Building, previously valued at $69 million in 2016, reflects significant market changes as the trend of steep discounts is anticipated to continue into 2026, affecting property tax revenues.

Players

Ryan Plummer

Newmark

Broker

$1.1B

vol

46 deals

Broker

Portland Office Market Snapshot

Boundary boundary · Office · Sale transactions

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Purchase Price

Annual NOI

Loan Amount

Interest Rate (%)

Loan Term (yrs)

Down Payment (%)

Cap Rate

2.44%

Cash-on-Cash

-0.70%

Monthly Payment

$14,164

Annual Debt Svc

$169,964

Annual Cash Flow

$-11,334

DSCR

0.93