Celebrating 40 years of engaging people to create and sustain great communities.

Why We Do What We Do

Legacy & Innovation

At Cogan Owens Greene, we are motivated by the power of place, the power of people and the power of data. Our work with jurisdictions and agencies of all sizes centers on engaging people to create and sustain great communities. We embrace diversity of background, thought and opinion as a great community asset and strength.

To benefit our clients we:

  • Provide integrated services in comprehensive planning, community engagement and sustainability
  • Utilize best practices
  • Customize teams
  • Build consensus
  • Focus on results
  • Consider each engagement a learning opportunity


From the blog

Join our discussion of the latest planning concepts and find news about our projects and staff.

New Sunrise Expressway Officially Opens

Connecting 122nd Avenue to the Milwaukie Expressway in Clackamas County, the Sunrise Expressway is the first new stretch of freeway that the Portland-area has seen in 26 years. Designed to alleviate congestion for commuters and truckers that currently compete for traffic space on OR 212-224 and I-205, it had its official ribbon-cutting and ceremonial first…read more →

Planning Oregon Highlights Arnold Cogan’s Storied Career Path

As a well-respected leader in the state’s comprehensive land use planning system, Cogan Owens Greene co-founder, Arnold Cogan, is featured in the first Planning Oregon project, “People and the Land: An Oral History of Oregon’s Statewide Land Use Planning Program.” He and others were interviewed as part of an effort to record oral histories of…read more →

Our New Home!

After many years and memories in the Woodlark Building, we’re excited to announce that our office has moved to just around the corner. Our address is now: 812 SW Washington Street, Suite 600, Portland, OR, 97205. Check out that corner view, and stop by to visit!read more →

Our Clients

One of the reasons why I’m a really big fan of COG is because of the relevancy as they move forward in community, diversity in Portland in particular, but also the rest of Oregon.

Anita Yap

Anita Yap - Founder, Multicultural Collaborative

One of the things that COG does really well is to reach people – and let those voices be heard and let those people hear other voices. That’s a very important process.

Chip Lazenby - Lazenby & Associates

COG does a terrific job of bringing people with diverse views together to unpack complex problems – and develop solutions."

Dwight Holton - Chair, Portland Utility Oversight Blue Ribbon Commission

Contact Us

812 SW Washington Street | Suite 600
Portland, Oregon 97205-3111