About Leon Castner

Leon Castner - AppraiserLeon Castner is a Senior Partner of National Appraisal Consultants, a firm specializing in personal property appraisals and appraisal consulting, insurance reports & research, pretrial consultation, and IRS tax-related appraisal matters. He holds a CAPP in Appreciable Residential Contents and has been an adjunct professor of Fine and Decorative Arts at Centenary University.

Mr. Castner is a Registered Contractor for RTC, FDIC, US Marshall’s Office, Attorney General, TASA, and has provided major appraisals for these organizations. He is the co-presenter of Appraising the Appraisal – a professional development seminar for insurance agents, claims managers, and trust officers, and is a Panel Member of the American Arbitration Association.

Leon is also past Chairman of ISA Designation and Review, and past President of the New Jersey Chapter of the International Society of Appraisers. He has been honored with The Auctioneer of the Year Award by the New Jersey State Society of Auctioneers and has received the ISA’s Outstanding Member of the Year Award.


  • Vice-President, Castner Estate Service, Inc. (Auctions), Branchville, NJ – 1974-90
  • President, Castner Estate Service, Inc (Appraisals), 2003-present
  • Head of Appraisal Department, Castner’s – 1985-2005
  • President & Head Auctioneer, Castner’s, Branchville, NJ – 1990-2004
  • Senior Partner, National Appraisal Consultants, Hope, NJ, Wilmington, NC, PA– 1992-present


  • B.A. 1970 Gordon College, Wenham, MA
  • M.T.S. 1972 Gordon-Conwell Theo. Sem., S. Hamilton, MA
  • Appraisal Courses: Indiana University (ISA 101, 102, 103, 104, 105)
  • Appraisal Courses: Indiana University (ISA Appreciable Residential Contents, Antique & Period Jewelry)
  • Satisfactorily Completed National USPAP Course, May 2007


  • International Society of Appraisers (CAPP Designation)
  • Appraisers Association of America (Certified in Antiques & Decorative Art)


  • Adjunct Professor of Fine Art, Centenary College, Hackettstown, NJ
  • NAC Developer & Presenter: Understanding USPAP (Uniform Standards of Professional Appraisal Practice)
  • – A Personal Property Perspective
  • Castner Estate Service- Antique & Collectibles Seminar: Antiques & Significant Collectibles
  • New Jersey Department of Insurance: Appraising the Appraisal (Writer and Presenter)
  • International Society of Appraisers-Core Course in Appraisal Studies– 1999-present
  • University of Washington, Adjunct Professor, 2006-present
  • International Society of Appraisers – Re-qualification Course—2004-present
  • Appraisal Bootcamp, Various Locations US, 2002-2009
  • Reviewing Another’s Appraisal, 2008 ISA Conference, Baltimore, MD
  • National Auctioneer Association and ISA Bridge Course – 2008, Chicago, IL

Industry Recognition

  • 1988 ISA Outstanding Member (International Society of Appraisers)
  • 1990 ISA Outstanding Member
  • 1993 New Jersey Auctioneer of Year
  • 1993 ISA Outstanding Leadership Award
  • 2004 ISA President’s Award (excellence in the Appraisal Profession)

International Society of Appraisers

  • 1998/03 ISA Ethics (Including Chair)
  • 1993/94 ISA Ad Hoc Education Chair
  • 1991-94 ISA Designation & Review Chair
  • 2000-09 ISA Designation & Review (Appraisal Reviewer)
  • 2002/09 Professional Development Team
  • 2004/07 ISA Foundation (Non-Profit Educational)

Other Duties / Recognition

  • 2000-present -Radio Show Host, WRNJ/WNTI, Value This With Brian & Leon
  • 1999 ABC 20/20 Consultant and Feature Show- “Estate Auction Fraud”
  • 1997-2007 Feature Writer Renaissance Magazine
  • 1996/99 Feature Writer Montage Magazine (What’s It Worth)
  • 2001 Co-Author, United States Coins, Martingale Press
  • 2000 Series Editor, Collector’s Compass, Martingale Press
  • 2008 Author- Betcha Didn’t Know That (Antiques & Collectibles Tips)
  • 2006-09 Foundation for Appraisal Education, Chairman of the Board
  • 2008 Brevard, FL : A Fabulous Affair, Appraisal Show (Melbourne, FL)
  • 1990 Presented Hundreds of Appraisal Shows Across the East Coast at Libraries, Community Centers,
  • Historical Societies, Rotary and Civic Clubs,  etc.
  • 2008 Journal of Advanced Appraisal Studies, The Issue of Blockage and Richard Nixon
  • 2005-09  Auctioneer- Washington DC Rotary Club, Benefit Auction
  • 2007 Auctioneer – Bertoia Toy Auctions, Vineland, NJ

Clients Include Insurance Companies, Private Insured, Attorneys, TASA, US Attorney’s Office, Homeland Security, Bankruptcy Court, Civil Court, Museums, Cities, Individuals (Estates, Insurance, Divorce, Claims and Litigation, Family and Equitable Division, Charitable Contribution, Unusual and Complex Appraisal Problems).  Covering the entire country, particularly the East Coast.

Listen To the Weekly Radio Show:  www.wnti.org

Or Listen on our web:   www.ValueThisRadio.com