Gary K. Davidson


Gary brings a high level of sophistication to his real estate and corporate clientele. He has an unparalleled breadth of experience working on land use, zoning and development issues, and is a frequent lecturer at numerous real estate investor seminars. He represents hundreds of property investors and a wide variety of businesses and contractors in corporate affairs, ranging from closely held corporations to publicly traded companies such as ExxonMobil.Gary closes more REO & HUD properties this year than all other attorneys in Will County, IL combined. 


Gary is married to his wonderful wife, Rachel, a speech pathologist, and has two beautiful children, Reagan and Bennett. As an Eagle Scout, Gary is civic minded and enjoys helping in a wide variety of community projects. 
Gary is an avid golfer, you can catch him golfing most of the year!


Real Estate



  • Northern Illinois University College of Law
    DeKalb, Illinois
    • J.D. - 1998
  • Universite Libre De Bruxelles
  • Illinois College
    Jacksonville, IL
    • B.A. - 1995
  • Ritsumeikan University
    Kyoto, Japan
    • Major: Japanese Language Studies


  • Fellow, Office of the Governor of the State of Illinois
  • Fellow, Office of the Illinois Secretary of State, 1994
  • BV Rated by Martindale Hubbell for exemplary legal skills and ethics
  • Trustee, Village of Channahon
  • Trustee, Channahon Township


  • Illinois, 1999
  • Wisconsin, 1998
  • U.S. District Court Northern District of Illinois


  • Northern Illinois Homebuilders Association
  • The Chief Judge of the Sixteenth Judicial Circuit, Illinois, Law Clerk, 1996 to 1999
  • Sixteenth Judicial Circuit, DeKalb, Kane and Kendall Counties, Illinois, Deputy Court Administrator, 1999 to 2000
  • Mahoney, Silverman and Cross, Ltd, Member, 2000 to 2004


  • Will County Bar Association -Member
  • Illinois State Bar Association
  • American Bar Association (House of Delegates)-Member
  • Federalist Society, Lawyers Division -Member
  • Joliet Regional Landlord Association
  • Chicago Creative Investor Association
  • Joliet Chamber of Commerce
  • Will County Center for Economic Development
  • Will County – Grundy County Homebuilders Association
  • First Community Bank, Advisory Board -Member
  • Three Rivers Association of Realtors -Member


  • Lisa's best in the business!

    I use Castle Law on every real estate deal I can. I always request their paralegal Lisa to work on my transactions. Very thankful to work with such great professionals!
  • Gary & Lisa

    Gary has been a fantastic attorney to work with over the years! We have closed many deals with him as our buyer and seller attorney and he is always there to answer any question or to provide us with advice. One of the shining stars of the office is Lisa. She is the consummate professional and en...
  • highly recommend Robin!

    We have been exclusively working with Robin Arnold, paralegal, for the past four years; and completed dozens of real estate transactions for ourselves and Pinnacle clients. It is amazing to us that Robin always catches errors made by others, which potentially could have cost us thousands of dolla...