Midyear Outlook: The Greater Portland Office Market 

By Nate Stevens, SIOR | Managing Partner, Designated Broker 

For more than 25 years The Boulos Company’s annual Market Outlook has helped clients understand where the commercial real estate market is headed. Our midyear updates take a closer look at what’s happening right now, distilling the latest data, transactions, and market activity into a focused view of the trends shaping the months ahead.  

Now that we’re in the back half of 2026, let’s revisit the state of Greater Portland’s office marketplace. So far, the news is good, and the sector continues its gradual transition toward a healthier, more balanced market. Six months rarely produces dramatic market shifts, though it’s enough time to reveal meaningful trends that show where the market is headed. Elevated vacancy rates and evolving workplace strategies remain defining themes, but leasing activity has become steadier and market fundamentals continue to improve. Stronger leasing demand, a continued flight for quality spaces, and greater emphasis on flexibility, characterized the first half of the year, offering a clear picture of both where the market is stabilizing and where challenges persist. 

Overall, the 2026 market has posted positive net absorption, an encouraging reversal from the rising vacancy trends we saw in 2025. Equally encouraging is that several leases ranging from 5,000 to 15,000 square feet are driving this improvement—not just one large transaction—all while avoiding any significant new vacancies entering the market. This overall picture is often a healthier indicator of sustained demand, much more so than one outsized deal. 

The Downtown Portland office market remained relatively stable during the first half of the year. Direct Class A vacancy rates increased slightly, while Class B vacancy rates declined modestly, resulting in little overall movement. Several notable lease renewals were included in this activity, and, importantly, the market avoided any major new vacancies that would have put additional upward pressure on vacancy rates. Tenant demand remains steady, although meaningful vacancy rate declines for the remainder of the year will likely require several larger lease transactions. 

The suburban office market accounted for much of the region’s positive net absorption, particularly within the Class A segment. This momentum reflects a tenant-driven shift that began in early 2025with businesses increasingly prioritizing higher-quality space and newer amenities. Considering that suburban Class A properties were among the hardest-hit segments following the pandemic, this represents a meaningful improvement. Vacancy rates remain elevated by historical standards, but they have retreated from the peak levels seen over the past several years. Leasing activity remained consistent throughout the first half of the year, with several sizeable transactions contributing to the market’s positive momentum. Assuming no significant blocks of space return to the market, conditions appear favorable for vacancy rates to continue trending downward through the remainder of the year. 

It’s true that the office market still faces headwinds, but the first half of 2026 points to a healthier and more resilient leasing environment than we’ve seen in recent years. Demand remains measured rather than aggressive, but tenants are making decisions; quality space continues to outperform; and the market is gradually moving in the right direction. If these trends continue through the second half of the year, Greater Portland should be well positioned to build on this momentum heading into 2027.