John Guinasso


How I represent clients at Schwabe

Drawing on my three decades of experience ‎representing real estate owners, managers, and tenants, ‎I provide fast and reliable advice in office, retail, and ‎industrial transactions. I concentrate my practice on ‎commercial leasing and representing landlords, ‎tenants, asset managers, and property managers on a ‎daily basis. I’ve handled hundreds of leases of space in ‎shopping centers, Class A office towers, medical office ‎buildings, and suburban campus settings, as well as ‎ground leases and build-to-suit leases.‎

When efficiency counts

Understanding that time is money in the real estate industry, I’ve ‎created systems that streamline document review and creation for ‎my clients. I participate in direct negotiations with skill and ‎attention to detail, but always in a relaxed manner with a sense of ‎humor.‎

A recognized authority

I’ve written and spoken on numerous real estate topics and am a frequent presenter to industry and legal ‎groups, including the Commercial Association of Realtors, the Oregon State Bar, Law Seminars ‎International, CLE International, and the Board of Realtors, as well as private organizations.‎


“John Guinasso is the finest real estate attorney I have worked with in my 30+ years in the ‎business. He combines an acute understanding of the technical aspects of the law with a wealth of ‎experience in the real world and a wonderful, business focused approach to achieving outcomes. ‎Always the consummate professional, John has an ability to very quickly navigate through ‎peripheral distractions and get to the heart of the matter.”

-Rock Asset Management

Chambers & Partners USA, client highlights

John is an excellent attorney; he does an outstanding job advising his clients.”

“John has been critical in leading us through our larger and more complex lease agreements.”


  • Represents several companies that own and lease Portland Central Business District Class A Towers.
  • Represents one of the world’s largest banks in its leasing and real estate transactions in the Pacific Northwest.
  • Represented the purchaser of a portfolio of six Portland Central Business District office buildings, assisted in the management and leasing of these buildings, and then handled the resale of the portfolio to two separate institutional purchasers.


  • Lewis & Clark, Bachelor of Arts degree (1979)
  • Stanford University, Juris Doctor degree, Order of the Coif (1983)


  • Oregon State Courts
  • U.S. District Court - District of Oregon


  • Recognized by The Best Lawyers in America®, Real Estate Law (2006-2024)
  • Ranked for Real Estate Lawyers in Oregon, Chambers USA (2016-2024)

Outside Interests

John can regularly be found at the gym or here in his wine cellar.

Get in touch

Sign up

Ideas & Insights