Tax Roll Administration Supervisor

Washington County; Hillsboro (OR); On-site; USD 98,000 - 119,000; Full time

Job summary

Washington County is seeking a Tax Roll Administration (TRA) Supervisor within the Department of Assessment & Taxation to lead the TRA team, oversee tax roll calculations, and maintain data accuracy across the property tax database.

You will coordinate with multiple groups, ensure timely reporting, and support the Tax Collection season while guiding staff through recruitment, training, and performance management.

Qualifications

• Bachelor's degree in accounting, business, public administration, computer science, or related field.
• Three years of experience administrating computer databases, data entry, and reporting; at least one year supervisory experience.

Responsibilities

• Lead the Tax Roll Administration team and manage projects within the TRA.
• Coordinate with multiple work groups and external agencies.
• Recruit, train, coach, and discipline staff within Tax Roll Administration.
• Support customer service and payment processing during tax collection season.
• Ensure data integrity and compliance with deadlines.

Skills

Team leadership

Customer service

Detail oriented

Advanced Excel

Relational databases

Regulatory knowledge

Time management

Data analysis

Education

Bachelor's degree in accounting, business, public administration, computer science, or related field

Tools

Microsoft Word

Microsoft Excel

Database querying

Job description

Note

This job will be posted through 11:59 PM of the day prior to the end date listed.

Current Washington County Employees:

Please apply through the employee portal to be considered for this opportunity.

Job Type

Regular

Pay Range

$97,611.24 - $118,599.12 Salary

Department

Assessment and Taxation

FLSA Exemption Status

Exempt

About The Opportunity

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 on9/10/2026at 4pm.If you would like to attend, please emailVeronica Garcia at [e-mail] for the link.

Selection Process

You can review our standard selection process here.

Our Commitment To You

Washington County is an equal opportunity employer committed to using a merit-based system in which recruiting, selecting, and advancing employees is based on knowledge, skills, and abilities. Our organization embraces innovation, collaboration, and work‑life harmony. We promote employee development and offer an award‑winning benefits and wellness program as well as an opportunity to serve and support our vibrant community.

Veterans' Preference

If you are a Veteran and would like to be considered for Veterans' preference for this recruitment, please review the instructions using this link: Veterans' Preference Points.

Accommodation Under The Americans With Disabilities Act

Reasonable accommodation is available to anyone whose specific disability prevents them from completing this application or participating in the selection process for this recruitment. To obtain confidential assistance please contact Human Resources 503-846-8606, or email: [e-mail] at least 48 hours before any step in the recruitment and selection process for which you feel you need accommodation.

Status Of Your Application

You will be advised by email of your status at each step in the application process, from initial application to final employment disposition. Please note that Washington County communicates with all candidates via email.

Notice

Washington County is currently undergoing a comprehensive classification and compensation study. The purpose of this project is to create new job descriptions and create new classification and compensation systems. Outcomes of the project will include changes to classification titles, which could impact compensation structures. No one will have their pay rate lowered because of this project. For represented positions, appropriate bargaining processes will be utilized prior to implementation.