Tax Assessor/Collector

Larry Gaddes is a sixth generation Texan that has served as Chief Deputy of the Williamson County Tax Assessor/Collector’s office for over 6 years.  He has earned his Certified Tax Administrator designation – the property tax profession’s highest certification held by only 19 other tax  office professionals throughout the state.  In addition to his experience in the tax profession, Larry served 20 years in leadership roles throughout Central Texas with a respected local business.   

Larry is committed to finding efficient, effective solutions to the issues caused by the explosive growth of the County.  He is driven to continue providing the citizens of Williamson County the highest level of customer service, professionalism and technology and will draw on his balanced experience in both the public and private arenas. 

He earned his Bachelor of Business Administration with a Major in Management from Texas State University in San Marcos.  Larry is also an active member of the Tax Assessor/Collectors Association and Texas Association of Assessing Officers.  In addition, he enjoys serving as an instructor and presenter on property tax matters for both associations.

Larry and Heather, his wife of 15 years, live in Round Rock with their 2 sons.    He and Heather are active members of Rock Pointe church, coach their boy’s baseball teams and volunteer their time and resources at Round Rock ISD and other local organizations.


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Tuesday, September 18th- the Round Rock location will be closed. 

Wednesday, September 19th - the Georgetown location will be closed. 

Thursday, September 20 th - the Cedar Park & Taylor locations will be closed.

Understand your Tax Bill

Tax Bill Basics

Where does your Property Tax money go?
Mission Statement

Our dedicated team is committed to providing innovative and exceptional customer service in

the assessment, collection, and distribution of taxes and fees.