Leonard Sullivan is the most experienced real estate professional ever elected to serve as Oklahoma County Assessor because of his background in all aspects of the real estate industry as a Small Businessman and a Realtor/Broker/Appraiser. 

Sullivan was elected assessor in a 2004 special election after serving as State Representative for House District 82 in Northwest Oklahoma City, for 18 years.  While serving in the legislature Sullivan authored or co-authored all legislation concerning the appraisal of real estate.

Since being elected assessor, Sullivan has reduced the staff by 10 employees and has eliminated county owned vehicles saving more than $15 million in salaries, benefits and costs to taxpayers. 

Sullivan has been a leading supporter of promoting private business growth and reduced Business Property assessment rate from 14 to 13.75 percent saving companies in Oklahoma County more than $15 million. 

Sullivan supports reducing property taxes by reducing assessment rates from the voter approved limit of 5 percent.  Since voters approved the 5 percent limitation in 1996 Oklahoma County property owners have saved more than $600 million in lower property taxes. Sullivan also proposed freezing assessment rates for all senior citizens regardless of income.  The legislature must approve resolutions to allow these issues to be sent to a vote of the people to change the State Constitution. 

Sullivan has been a Realtor/Broker in Oklahoma earned an Oklahoma Appraiser’s License, earned the Certified Commercial Investment Member (CCIM) Designation from the National Board of Realtors and earned the Graduate Realtor Institute (GRI) Designation, making him the only person in the United States to hold these three designations (Appraiser, CCIM & GRI).

Sullivan earned his Bachelor of Arts in Business from Oklahoma State University, served as a captain in the U.S. Army Reserve, 45th Infantry Division, has been married to wife, Marilyn, for 52 years, they have two daughters and 5 grandchildren.