Assessor's Office
Office Hours
Monday, Wednesday, Thursday
8:30 a.m. - 4:30 p.m.
Tuesday
8:30 a.m. - 7:00 p.m.
Friday
8:30 a.m. - 12:00 p.m.
Welcome to the Assessor's Office!
The Assessor is responsible for the discovery, listing and valuation of all taxable and non-taxable property located within the Town of Portland annually as of the October 1 Assessment Date. Real Estate, Personal Property and Motor Vehicles are assessed at 70% of fair market value and values are determined by using uniform, fair and equitable appraisal methods legally prescribed by law.
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Real Estate Assessments are 70% of fair market value as of the posted assessment date or Revaluation date. Real property is assessed in Connecticut on a 5 year cycle. - Portland’s most recent date of Revaluation date is October 1, 2021. Property values have increased 11.5% on average since the prior 2016 Revaluation year.
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2026 REVALUATION
​In accordance with Connecticut General Statutes, the Town of Portland will conduct its statistical five-year revaluation of all real estate properties for the October 1, 2026 Grand List, beginning June 15, 2026. The Town has contracted Tyler Technologies, Inc. to perform market analysis, sales validation inspections, and field reviews as part of the mass appraisal process, which the assessments will represent 70% of fair market value, in collaboration with the Assessor’s Office.
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Tyler Technologies, Inc. field personnel will carry official, town approved company identification badges and will have signed authorization letters that include contact information for Town officials, including the Portland Police Department.
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To ensure the most accurate, fair, and equitable assessments, property owners are encouraged to review their property record cards available through the online assessment database and report any discrepancies, omissions, or property changes to the Assessor’s Office. Your cooperation and assistance are greatly appreciated.
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--> Revaluation assessment notices will be mailed to taxpayers in December 2026 <--
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Please contact the Assessors Office 860-463-6744 if you have any questions
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Income & Expense Reports - Due June 1, 2026
§12-63c requires all owners of leased commercial, retail, industrial or combination real property to annually report income & expenses for calendar year 2025 to the Assessor by June 1, 2026 or be subject to a 10% assessment penalty. Reports will remain confidential in accordance with §12-63c(b), which provides that actual rental and operating expenses shall not be a public record and is not subject to the provisions of Section §1-210 (Freedom of Information).