About Us


The Navajo County Treasurer is the custodian of public monies, responsible for the collection and distribution of the personal and real property taxes levied by the county and various taxing entities (i.e., political subdivisions) including the community college; school districts; fire districts; sanitary districts; water, wastewater, and irrigation districts; various improvement districts; flood control districts; and cities and towns.

Additional responsibilities of the office include:

  • Providing financial services to special districts and political subdivisions within Navajo County
  • Investing county monies in accordance with our investment strategy while maintaining liquidity to conduct business on a daily basis
  • Receipt and disbursement of public funds
  • Debt management of bond issues
  • Payment of school and county warrants
  • Offering delinquent taxes for purchase at a Tax Lien Sale in February that increases the revenue from unpaid delinquent taxes
  • Overseeing the process of deeding property to the State of Arizona for parcels with five years of delinquent taxes

Mission Statement

To provide excellent customer service in a courteous and sensitive manner.
To provide quality service as Treasurer, tax collector, cash manager, and banker for all Navajo County agencies,
school districts, and special districts.
To responsibly invest monies on behalf of the County.


Kari Lopez, Treasurer

Assessor Kari Lopez
Kari Lopez currently serves as the Navajo County Treasurer. She was appointed to this office by the Board of Supervisors in November 2019 and was elected into office in 2020. She is the first Hispanic woman (and second female overall) to serve as Navajo County Treasurer.

Kari was born in Las Cruces, New Mexico, and grew up in Winslow, Arizona. She graduated from Northern Arizona University with a Bachelor of Science degree in Elementary Education. She began her public service career as an educator in Navajo County, where she served for 17 years. Teaching children was a cherished chapter in a career dedicated to public service and helping others. During that time, she served as a teacher, literary coach, and reading specialist. While taking on leadership roles, she went back to school and graduated from Grand Canyon University with a Master of Education in Educational Administration.

Continuing her career in public service, she transitioned to the Navajo County Treasurer's Office as Chief Deputy Treasurer in November 2016. Upon her appointment to Treasurer in 2019, Kari began implementing several improvements and processes to better serve the taxpayers of Navajo County including updates to the website to increase user-friendliness and access to information; the creation of an online payment portal for taxpayer convenience; hiring and training additional staff in Holbrook and Show Low to improve customer service and accessibility; and updating/upgrading outdated systems, allowing for faster processing of tax payments particularly during high seasonal times.

Kari currently serves on the Arizona Association of Counties (AACo) Board representing the Arizona Treasurers. She has served the Arizona County Treasurers' Association (ACTA) first as vice president and currently as President. She previously served three years on the Navajo County Personnel Commission Board. Kari is also an active member of the Silver Creek Rotary Club which provides service to others, promotes integrity, and advances world understanding, goodwill, and peace through fellowship of business, professional, and community leaders.