 Welcome to the Assessor's database for the City of Portland, Maine. Effective 5/27/25: The City is pleased to offer our tax assessment information online. These assessments were established by the City Assessor with the assistance of Tyler Technologies, Inc. and represent 100% of market value as of April 1, 2025. Do not apply the current tax rate (millage) to the new assessments as the result will be inaccurate. The new millage rate will be determined later this year as part of the tax commitment process and after all informal appeal hearings with Tyler are heard and decided and the City budget has been approved. An informal appeal process is available for those wishing to discuss their value and property data with Tyler Technologies, Inc., the vendor assisting with the revaluation. Appeal appointments can be scheduled at tylertech.com/portland or by calling 1-844-651-3398 between 8:30 AM and 4:30 PM EST, starting May 27th. Appointments must be scheduled by June 13, 2025, with hearings concluding on June 20, 2025. You can access our public records searching by street address, property owner or Parcel ID. (ONE search parameter) The Assessor's Office makes every effort to produce the most accurate information possible. Please notify our office immediately if you find any inaccuracies in our assessing records. Please note that the parcel boundaries shown on tax maps are intended to be used for the purposes of property assessment and should not be considered survey accurate. 
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