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otr

Office of Tax and Revenue

OTR will host its annual Tax Practitioner’s Institute on Tuesday, January 13, 2026, beginning at 9 am. The workshop will be offered in a hybrid format, with an in-person session and a virtual option via Microsoft Teams. The seminar is free, but registration is required. Register here.

Welcome to the newly redesigned website for the Office of Tax and Revenue! Your feedback on the new website is extremely important to us.
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Assessments & Appeals

Understand how your property is assessed, explore detailed reports and materials, and learn how to exercise your appeal rights. Use this page as your starting point to access key information about real property assessments in the District.

Assessment Process

Learn how your property’s value is determined and the steps OTR takes during the annual assessment process.

Assessment Materials and Reports

Access detailed assessment materials, reports, and data used in determining property values across the District.

Assessment Appeal Rights and Application

Find out how to appeal your property assessment, review eligibility criteria, and access the application to file an appeal.