Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer John Guinn, Practice Areas No known practice areas. is located in the city of Tigard, the state of Oregon. Attorney legal address 10580 SW McDonald Street Suite 202Tigard, OR, 97224. For more information, please call (503) 430-7903 Your comments* (not for publishing) * — Required information John Guinn ← View details 10580 SW McDonald Street Suite 202Tigard, OR, 97224, Tigard, Oregon (503) 430-7903