Warren Allen, LLP » MEMBER DIRECTORY Go back to directory. Add to Address Book. Warren Allen, LLP Warren Allen, LLP Contact: John O’Hara Work 10535 NE Glisan Street Suite 200 Portland OR 97220 work Work Phone: 503-255-8795work Work Email: ohara@warrenallen.comINTERNET Website: www.warrenallen.com Categories: Condominiums, Elder Law and Special Needs Planning, Estate Planning and Probate, Family Law, HOA's, Landlords' Rights, Legal Services, Personal Injury, Planned Communities Updated 1 year ago.