Donald’s practice focuses on environmental law and real estate, including environmental aspects of business and real estate transactions, regulatory compliance counseling, environmental assessments/audits, contractual allocation of environmental risks, environmental insurance, environmental litigation, claims and penalties, hazardous materials emergencies, and sustainability issues.Donald is the author of Environmental Risks in Real Estate Transactions: A Practical Guide (Second Edition, 1993; First Edition, 1990) and co-author of California Environmental Law Handbook (Third Edition, 1989, through Eleventh Edition, 1999). He has published widely on issues in his areas of focus, with articles appearing in legal journals and other professional and business publications, and has frequently spoken at programs held by the Los Angeles County Bar Association, State Bar of California, and other professional organizations.
Lawyer Profile

Donald C. Nanney
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Recognized Since:2013
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Recognized in:Environmental Law
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Law School:University of California Davis
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Website:
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Location:1299 Ocean Avenue, Suite 900Santa Monica, CA 90401
Lawyer Bio
Education:
- University of Virginia, U.S. Army Judge Advocate General's School, Honor GRaduate, graduated 1975
- University of California Davis , J.D., graduated 1974
- Stanford University, A.B., graduated 1971
Bar Admissions:
- California, California Bar
Court Admissions:
- U.S. Supreme Court
- U.S. Court of Appeals for the Ninth Circuit
- U.S. Court of Appeals for the Armed Forces
- U.S. District Court -- Central District of California
- U.S. District Court -- Northern District of California
Affiliations:
- Building Owners and Managers Association – Greater Los Angeles - - 2010-present, Member, Government Affairs Committee
- California State Bar, Member, Environmental Law Section and Real Property Law Section - - 2008-2013, Advisor, Executive Committee, Real Property Law Section - 2007-2008, Vice Chair, Real Property Law Section - 2005-2008, Member, Executive Committee, Real Property Law Section
- Los Angeles County Bar Association, Member, Real Property Section and Environmental Law Section - - Chair Emeritus, Real Property Section - 2008-2009, Chair, Real Property Section - 2003-2004, Chair, Benjamin S. Crocker Symposium on Real Estate Law and Business - 1999-2010, Member, Executive Committee, Real Property Section
- Stanford Alumni Association - Member
- Stanford Professionals in Real Estate - 2010-present, Founder's Circle Member - 2010-present, Steering Committee Member - Inaugural Chair, Annual Real Estate and Law Symposium (2011)
Recognized in The Best Lawyers in America for work in:
- Environmental Law
Awards:
- Outstanding Real Estate Lawyer Award, Los Angeles County Bar Association 2016
- Best Lawyers In America, 2013-2019
- L.A.'s Top 100 Lawyers, Los Angeles Business Journal, 2009
Lawyer Client Comments
"We have used Don on a variety of environmental matters over the years. He has been our default go-to outside attorney. Don has been consistently knowledgeable, responsive, and professional."
Lawyer Practice Areas
Key:
Awarded in Best Lawyers
Not Currently Awarded for this Area in Best Lawyers
Firm Details
Cozen O'Connor
http://www.cozen.com
Headquarters
One Liberty Place, Suite 2800
1650 Market Street
Philadelphia, PA 19103
(215) 665.2000
28
Office Locations
in 3
Countries