Private Owners / Developers

Our architects, engineers and construction managers provide a wide variety of professional consulting services for private building owners and private developers. Due to our sound advice, diligent guidance, and inspired services, OAC continues to enjoy strong client relationships and repeat, word-of-mouth business. By assembling highly capable, inventive teams, OAC offers significant private developer experience and expertise assembling teams for private owners and commercial clients ranging from smaller single-story projects to high-rise urban developments.

Featured Project

The Cobb Building


Previously designed for medical offices, the building was being converted into luxury apartments and street level retail. A new building core and terraces were being added. The original wood windows and interior finishes were to remain and needed to be protected and restored during the renovation.

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Services Performed




Unico Properties


Seattle, WA

Direct Contact

Randy Hart


Contact Lee Dunham at 206.268.0965 or Steve Johnson at 206.378.2907 for more information on Private Owners / Developers.

OAC Feed

Blog Posts

Jeff Jurgensen & Jonathan Miller Receive Community Leadership Awards

Congratulations to Jeff Jurgensen and Jonathan Miller for receiving Community … Read more >

Blog Posts

OAC's Constructability Review

One of the biggest positive impacts OAC can have for … Read more >

Blog Posts

OAC Services Tops List of 100 Best Companies to Work For in Washington State

If you aren’t in the architecture, engineering and construction industry, … Read more >


Todd Smith

PRACTICE AREAS > Project management > Construction management > Scheduling … Read more >


Chris Priest

Joining OAC in 2017 as Marketing Coordinator, Chris has more … Read more >


Grace Wong

PRACTICE AREAS > Forensic and failure investigation > Structural and … Read more >

Construction Management. Architecture. Engineering.

OAC has a history of success with specialized design and construction because we love what we do. We serve our clients as collaborators, and we design and manage projects that improve where people live, work, learn and play. Because of this, we’ve gathered a superlative staff of professionals who share our core values, and our vision – do what we love in the service of people who love what we do.