Tax Roll Administration Supervisor

The Tax Roll Administration (TRA) Supervisor leads the Tax Roll Administration team within the Tax Division of the Department of Assessment & Taxation. This group is responsible for calculation of the annual tax roll as well as ongoing tax roll maintenance. This group performs data entry, maintains accurate and up-to-date records of property tax accounts, and works with tax districts on filings. TRA is the lead technical group for the Department of Assessment & Taxation and works closely with Information Technology Services on maintenance and enhancement of the database used for appraisal and tax collection. 
 
The TRA team works across the Department of Assessment & Taxation, coordinating with multiple work groups and participating in shared workflows with Appraisal, Cartography, and Tax Collections. The TRA Supervisor manages projects within the Department of Assessment & Taxation and collaborates on projects with other County departments and outside agencies, such as the Oregon Department of Revenue. The TRA group is responsible for system administration functions and for managing reporting and other outputs from the property tax database. This team identifies and resolves data integrity issues prior to tax roll calculation and ensures that the Division maintains compliance by meeting the deadlines outlined in statute. 
 
During the tax collection season, the TRA group supports the Tax Collection team in customer service and payment processing. 
 
This position is responsible for recruiting personnel, as well as the training, coaching, mentoring, evaluation and discipline of staff within the Tax Roll Administration group. 
 
This position reports directly to the Tax Division Manager. 

Ideal Knowledge, Skills, and Abilities (KSAs): 

• Able to lead a team and collaborate with others to deliver an accurate product. 
• Experienced working with multiple stakeholders and delivering excellent customer service to internal and external partners. 
• A quick learner, detail oriented, and dedicated to producing error-free work. 
• Able to perform complex calculations, experienced in reconciling large data sets and generating detailed reports. 
• Proficient in office productivity tools, such as Microsoft Word and Excel. 
• Conversant with relational database concepts and terminology; familiarity with schemas, tables, data relationships, and operations sufficient to perform assigned duties. 
• Knowledgeable about State and local laws, procedures, and regulations governing the preparation and maintenance of property tax assessment rolls and tax collection. 
• Able to work quickly, multitask, meet frequent deadlines, prioritize, and have strong organization, time management and problem-solving skills. 
• Able to adjust seasonal work plans and priorities to accommodate changes. 
• Organized and able to access needed information in an efficient manner. 
• Demonstrates a solution-oriented mindset, leverages collaboration and individual strengths to drive innovative outcomes. 

To review the complete classification, including the full list of knowledge, skills, and abilities (KSAs) associated with this position, use this link: https://www.washingtoncountyor.gov/hr/job-class/13 

Minimum Qualifications  

Education and Experience: 

• Equivalent to a Bachelor's Degree from an accredited college or university with major course work in accounting, business administration, public administration, computer science, or a related field that provides the required knowledge, skills, and abilities; AND Three (3) years of increasingly responsible work experience in administrating computer databases and data entry; developing spreadsheets and database reports, and operational analysis including at least one (1) year of supervisory experience. 

Additional Requirements 

• Criminal background check

• Some positions may require possession of a driver's license valid in the State of Oregon and an acceptable driving record. 

About the Department/Division: 

1 Tax Roll Administration Supervisor 
2 Data System Specialists (responsible for creating reports, maintaining the database, and system security) 
1 GIS Technician II (responsible for creating sketches of building footprints) 
2 Senior Accounting Assistants (responsible for tax roll calculation and corrections to the tax roll) 
1 Senior Administrative Specialist (responsible for processing changes to property line boundaries) 
3 Administrative Specialist II (responsible for data entry) 

Virtual Informational Q&A Session:   

To learn more about this opportunity please join us for a virtual Q&A session on 9/10/2026 at 4pm. If you would like to attend, please email Veronica Garcia at [email protected] for the link.